An individual who is an expert on a collection of resources and may also be knowledgeable of the phenomenon and related physics represented by the resources. This includes librarians, curators, archive scientists and other experts.
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CoInvestigator
An individual who is a scientific peer and major participant in an investigation.
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Contributor
An entity responsible for making contributions to the content of the resource.
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DataProducer
An individual who generated the resource and is familiar with its provenance.
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DeputyPI
An individual who is an administrative or scientific leader for an investigation operating under the supervision of a Principal Investigator.
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FormerPI
An individual who had served as the administrative and scientific lead for an investigation, but no longer assumes that role.
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GeneralContact
An individual who can provide information on a range of subjects or who can direct you to a domain expert.
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MetadataContact
An individual who can affect a change in the metadata describing a resource.
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PrincipalInvestigator
An individual who is the administrative and scientific lead for an investigation.
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ProjectScientist
An individual who is an expert in the phenomenon and related physics explored by the project. A project scientist may also have a managerial role within the project.
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Publisher
An individual, organization, institution or government department responsible for the production and dissemination of a document.
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Scientist
An individual who is an expert in the phenomenon and related physics represented by the resource.
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TeamLeader
An individual who is the designated leader of an investigation.
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TeamMember
An individual who is a major participant in an investigation.
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TechnicalContact
An individual who can provide specific information with regard to the resource or supporting software
Audio Video Interleave (AVI) a digital format for movies that conforms to the Microsoft Windows Resource Interchange File Format (RIFF).
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Binary
A direct representation of the bits which may be stored in memory on a computer.
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CDF
Common Data Format (CDF). A binary storage format developed at Goddard Space Flight Center (GSFC).
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CEF
Cluster Exchange Format (CEF) is a self-documenting ASCII format designed for the exchange of data. There are two versions of CEF which are not totally compatible.
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CEF1
Cluster Exchange Format (CEF), version 1, is a self-documenting ASCII format designed for the exchange of data. The metadata contains information compatible with the ISTP recommendations for CDF.
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CEF2
Cluster Exchange Format (CEF), version 2, is a self-documenting ASCII format designed for the exchange of data and introduced for Cluster Active Archive. Compared to version 1, the metadata description of vectors and tensors is different.
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FITS
Flexible Image Transport System (FITS) is a digital format primarily designed to store scientific data sets consisting of multi-dimensional arrays (1-D spectra, 2-D images or 3-D data cubes) and 2-dimensional tables containing rows and columns of data.
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GIF
Graphic Interchange Format (GIF) first introduced in 1987 by CompuServe. GIF uses LZW compression and images are limited to 256 colours.
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HDF
Hierarchical Data Format
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HDF4
Hierarchical Data Format, Version 4
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HDF5
Hierarchical Data Format, Version 5
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HTML
A text file containing structured information represented in the HyperText Mark-up Language (HTML). See <http://www.w3.org/MarkUp/>
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IDFS
Instrument Data File Set (IDFS) is a set of files written in a prescribed format which contain data, timing data, and meta-data. IDFS was developed at Southwest Research Institute (SwRI).
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IDL
Interactive Data Language (IDL) save set. IDL is a proprietary format.
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JPEG
A binary format for still images defined by the Joint Photographic Experts Group
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MATLAB_4
MATLAB Workspace save set, version 4. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.
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MATLAB_6
MATLAB Workspace save set, version 6. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.
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MATLAB_7
MATLAB Workspace save set, version 7. MAT-files are double-precision, binary, MATLAB format files. Version 7 includes data compression and Unicode encoding. MATLAB is a proprietary product of The MathWorks.
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MPEG
A digital format for movies defined by the Motion Picture Experts Group
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NCAR
The National Center for Atmospheric Research (NCAR) format. A complete description of that standard is given in appendix C of the Report on Establishment & Operation of the Incoherent- Scatter Data Base, dated August 23, 1984, obtainable from NCAR, P.O. Box 3000 Boulder, Colorado 80307-3000.
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NetCDF
Unidata Program Centers Network Common Data Form (NetCDF). A self-describing portable data format for array-oriented data access. See <http://my.unidata.ucar.edu/content/software/netcdf>
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PDF
A document expressed in the Portable Document Format (PDF) as defined by Adobe.
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PNG
A digital format for still images. Portable Network Graphics (PNG)
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Postscript
A page description programming language created by Adobe Systems Inc. that is a device-independent industry standard for representing text and graphics.
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QuickTime
A format for digital movies, as defined by Apple Computer. See <http://developer.apple.com/quicktime/>
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TIFF
A binary format for still pictures. Tagged Image Format File (TIFF). Originally developed by Aldus and now controlled by Adobe.
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Text
A sequence of characters which may have an imposed structure or organization.
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Text.ASCII
A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.
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Text.Unicode
Text in multi-byte Unicode format.
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UDF
Universal Data Format (UDF). The Optical Technology Storage Associations Universal Disk Format, based on ISO 13346. See <http://www.osta.org/specs/index.htm>
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VOTable
A proposed IVOA standard designed as a flexible storage and exchange format for tabular data.
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XML
eXtensible Mark-up Language (XML). A structured format for representing information. See <http://www.w3.org/XML/>
A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.
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BZIP2
An open standard algorithm by Julian Seward using Burrows-Wheeler block sorting and Huffman coding. See <http://www.bzip.org/>
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Base64
A data encoding scheme whereby binary-encoded data is converted to printable ASCII characters. It is defined as a MIME content transfer encoding for use in Internet e-mail. The only characters used are the upper- and lower-case Roman alphabet characters (A-Z, a-z), the numerals (0-9), and the + and / symbols, with the = symbol as a special suffix (padding) code.
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GZIP
An open standard algorithm distributed by GHU based on LZ77 and Huffman coding. See <http://www.gnu.org/software/gzip/gzip.html> or <http://www.gzip.org/>
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None
A lack or absence of anything.
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TAR
A file format used to collate collections of files into one larger file, for distribution or archiving, while preserving file system information such as user and group permissions, dates, and directory structures. The format was standardized by POSIX.1-1988 and later POSIX.1-2001.
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Unicode
Text in multi-byte Unicode format.
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ZIP
An open standard for compression which is a variation of the LZW method and was originally used in the PKZIP utility.
A localized, transient volume of the solar atmosphere in which PLAGEs, SUNSPOTS, FACULAe, FLAREs, etc. may be observed.
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Aurora
An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earths magnetic lines of force.
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BowShockCrossing
A crossing of the boundary between the undisturbed (except for foreshock effects) solar wind and the shocked, decelerated solar wind of the magnetosheath.
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CoronalHole
An extended region of the corona, exceptionally low in density and associated with unipolar photospheric regions. A coronal hole can be an open magnetic field in the corona and (perhaps) inner heliosphere which has a faster than average outflow (wind); A region of lower than quiet ion and electron density in the corona; or a region of lower peak electron temperature in the corona than in the quiet corona.
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CoronalMassEjection
A solar event (CME) that involves a burst of plasma ejected into the interplanetary medium. CMEs may be observed remotely relatively near the sun or in situ in the interplanetary medium. The latter type of observations are often referred to as Interplanetary CMEs (ICMEs).
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EITWave
A wave in the corona of the Sun which produce shock waves on the Suns chromosphere (Moreton Waves). EIT Waves are produced by large solar flare and expand outward at about 1,000 km/s. It usually appears as a slowly moving diffuse arc of brightening in H-alpha, and may travel for several hundred thousand km.
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EnergeticSolarParticleEvent
An enhancement of interplanetary fluxes of energetic ions accelerated by interplanetary shocks and/or solar flares.
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ForbushDecrease
A rapid decrease in the observed galactic cosmic ray intensity following the passage of an outwardly convecting interplanetary magnetic field disturbance, such as those associated with large CMEs, that sweep some galactic cosmic rays away from Earth.
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GeomagneticStorm
A magnetospheric disturbance typically defined by variations in the horizontal component of the Earths surface magnetic field. The variation typically starts with a field enhancement associated with a solar wind pressure pulse and continues with a field depression associated with an enhancement of the diamagnetic magnetospheric ring current.
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InterplanetaryShock
A shock propagating generally anti-sunward through the slower solar wind, often seen in front of CME-associated plasma clouds.
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MagneticCloud
A transient event observed in the solar wind characterized as a region of enhanced magnetic field strength, smooth rotation of the magnetic field vector and low proton density and temperature.
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MagnetopauseCrossing
A crossing of the interface between the shocked solar wind in the magnetosheath and the magnetic field and plasma in the magnetosphere.
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RadioBurst
Emissions of the sun in radio wavelengths from centimeters to dekameters, under both quiet and disturbed conditions. Radio Bursts can be Type I consisting of many short, narrow-band bursts in the metric range (300 - 50 MHz).; Type II consisting of narrow-band emission that begins in the meter range (300 MHz) and sweeps slowly (tens of minutes) toward dekameter wavelengths (10 MHz).; Type III consisting of narrow-band bursts that sweep rapidly (seconds) from decimeter to dekameter wavelengths (500 - 0.5 MHz); and Type IV consisting of a smooth continuum of broad-band bursts primarily in the meter range (300 - 30 MHz).
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SolarFlare
An explosive event in the Suns atmosphere which produces electromagnetic radiation across the electromagnetic spectrum at multiple wavelengths from long-wave radio to the shortest wavelength gamma rays.
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SolarWindExtreme
Intervals of unusually large or small values of solar wind attributes such as flow speed and ion density.
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StreamInteractionRegion
The region (SIR) where two solar wind streams, typically having differing characteristics and solar sources, abut up against (and possibly partially interpenetrate) each other.
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Substorm
A process by which plasma in the magnetotail becomes energized at a fast rate.
A representation in which a position vector or a measured vector (e.g., field or flow) is specified by its components along the base axes of the coordinate system.
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Cylindrical
A coordinate representation of a position vector or measured vector (field or flow) by its k-component, the magnitude of its projection into the i-j plane, and the azimuthal angle of the i-j plane projection.
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Spherical
A coordinate representation of a position vector or of a measured vector by its magnitude and two direction angles. The angles are relative to the base axes of the coordinate system used. Typically the angles are phi [azimuth angle, =arctan (j/i)] and theta, where theta may be a polar angle, arctan {[SQRT(i^2+j^2)]/k}, or an elevation angle, arctan [k/SQRT (i^2+j^2)].
Corrected Geomagnetic - A coordinate system from a spatial point with GEO radial distance and geomagnetic latitude and longitude, follow the epoch-appropriate IGRF/DGRF model field vector through to the point where the field line crosses the geomagnetic dipole equatorial plane. Then trace the dipole magnetic field vector Earthward from that point on the equatorial plane, in the same hemisphere as the original point, until the initial radial distance is reached. Designate the dipole latitude and longitude at that point as the CGM latitude and longitude of the original point. See <http://nssdc.gsfc.nasa.gov/space/cgm/cgmm_des.html>
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Carrington
A coordinate system which is centered at the Sun and is fixed with respect to the synodic rotation rate; the mean synodic value is about 27.2753 days. The Astronomical Almanac gives a value for Carrington longitude of 349.03 degrees at 0000 UT on 1 January 1995.
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DM
Dipole Meridian - A coordinate system centered at the observation point. Z axis is parallel to the Earths dipole axis, positive northward. X is in the plane defined by Z and the line linking the observation point with the Earths center. Y is positive eastward. See <http://cdpp.cnes.fr/00428.pdf>
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GEI
Geocentric Equatorial Inertial - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis points towards the first point of Aries (from the Earth towards the Sun at the vernal equinox). See Russell, 1971
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GEO
Geographic - geocentric corotating - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis lies in Greenwich meridian, positive towards Greenwich. See Russell, 1971.
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GSE
Geocentric Solar Ecliptic - A coordinate system where the X axis is from Earth to Sun. Z axis is normal to the ecliptic, positive northward. See Russell, 1971.
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GSEQ
Geocentric Solar Equatorial - A coordinate system where the X axis is from Earth to Sun. Y axis is parallel to solar equatorial plane. Z axis is positive northward. See Russell, 1971
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GSM
Geocentric Solar Magnetospheric - A coordinate system where the X axis is from Earth to Sun, Z axis is northward in a plane containing the X axis and the geomagnetic dipole axis. See Russell, 1971
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HAE
Heliocentric Aries Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as SE below. See Hapgood, 1992.
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HCI
Heliographic Carrington Inertial.
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HEE
Heliocentric Earth Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis points from Sun to Earth. See Hapgood, 1992
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HEEQ
Heliocentric Earth Equatorial - A coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is generally Earthward in the plane defined by the Z axis and the Sun-Earth direction. See Hapgood, 1992.
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HG
Heliographic - A heliocentric rotating coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X, Y axes rotate with a 25.38 day period. The zero longitude (X axis) is defined as the longitude that passed through the ascending node of the solar equator on the ecliptic plane on 1 January, 1854 at 12 UT. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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HGI
Heliographic Inertial - A heliocentric coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is along the intersection line between solar equatorial and ecliptic planes. The X axis was positive at SE longitude of 74.367 deg on Jan 1, 1900. (See SE below.) See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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J2000
An astronomical coordinate system which uses the mean equator and equinox of Julian date 2451545.0 TT (Terrestrial Time), or January 1, 2000, noon TT. (aka J2000) to define a celestial reference frame.
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LGM
Local Geomagnetic - A coordinate system used mainly for Earth surface or near Earth surface magnetic field data. X axis northward from observation point in a geographic meridian. Z axis downward towards Earths center. In this system, H (total horizontal component) = SQRT (Bx^2 + By^2) and D (declination angle) = arctan (By/Bx)
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MAG
Geomagnetic - geocentric. Z axis is parallel to the geomagnetic dipole axis, positive north. X is in the plane defined by the Z axis and the Earths rotation axis. If N is a unit vector from the Earths center to the north geographic pole, the signs of the X and Y axes are given by Y = N x Z, X = Y x Z.. See Russell, 1971, and <http://cdpp.cnes.fr/00428.pdf>
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MFA
Magnetic Field Aligned - A coordinate system spacecraft-centered system with Z in the direction of the ambient magnetic field vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
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RTN
Radial Tangential Normal. Typically centered at a spacecraft. Used for IMF and plasma V vectors. R (radial) axis is radially away from the Sun, T (tangential) axis is normal to the plane formed by R and the Suns spin vector, positive in the direction of planetary motion. N (normal) is R x T.
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SC
Spacecraft - A coordinate system defined by the spacecraft geometry and/or spin. Often has Z axis parallel to spacecraft spin vector. X and Y axes may or may not corotate with the spacecraft. See SR and SR2 below.
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SE
Solar Ecliptic - A heliocentric coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as HAE above. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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SM
Solar Magnetic - A geocentric coordinate system where the Z axis is northward along Earths dipole axis, X axis is in plane of z axis and Earth-Sun line, positive sunward. See Russell, 1971.
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SR
Spin Reference - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X and Y rotate with the spacecraft. See <http://cdpp.cnes.fr/00428.pdf>
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SR2
Spin Reference 2 - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
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SSE
Spacecraft Solar Ecliptic - A coordinate system used for deep space spacecraft, for example Helios. - X axis from spacecraft to Sun. Z axis normal to ecliptic plane, positive northward. Note: Angle between normals to ecliptic and to Helios orbit plane ~ 0.25 deg.
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SpacecraftOrbitPlane
A coordinate system where X lies in the plane normal to and in the direction of motion of the spacecraft, Z is normal to this plane and Y completes the triad in a right-handed coordinate system.
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WGS84
The World Geodetic System (WGS) defines a reference frame for the earth, for use in geodesy and navigation. The WGS84 uses the zero meridian as defined by the Bureau International de lHeure.
A two-dimensional representation of data with values at each element of the array related to an intensity or a color.
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Plasmagram
The characterization of signal strengths in active sounding measurements as a function of virtual range or signal delay time and sounding frequency. A Plasmagram is also referred to as an Ionogram.
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Spectrogram
The characterization of signal strengths as a function of frequency (or energy) and time.
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StackPlot
A representation of data showing multiple sets of observations on a single plot, possibly offsetting each plot by some uniform amount.
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TimeSeries
A representation of data showing a set of observations taken at different points in time and charted as a time series.
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WaveForm
Spatial or temporal variations of wave amplitude over wave-period timescales.
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
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Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
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Characteristic
A quantity which can be easily identified and measured in a given environment.
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Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
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Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
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Component
Projection of a vector along one of the base axes of a coordinate system.
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Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
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Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
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Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
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CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
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Deviation
The difference between an observed value and the expected value of a quantity.
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Differential
A flux measurement within a narrow range of energy and/or solid angle.
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Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
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DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
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DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
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DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
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DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
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FieldAligned
The component of a quantity which is oriented in the same direction of a field.
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Fit
Values that make an model agree with the data.
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Group
An assemblage of values that a certain relation or common characteristic.
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Integral
A flux measurement in a broad range of energy and solid angle.
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Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
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Integral.Bandwidth
Integration over the width a frequency band.
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Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
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LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
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Linear
Polarization where the E-field vector is confined to a given plane
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Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
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Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
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Parallel
Having the same direction as a given direction
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Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
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Perpendicular
At right angles to a given direction.
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Perturbation
Variations in the state of a system.
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Phase
A point or portion in a recurring series of changes.
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PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
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Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
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Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
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Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
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Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
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Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
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Ratio
The relative magnitudes of two quantities.
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Scalar
A quantity that is completely specified by its magnitude and has no direction.
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Spectral
Characterized as a range or continuum of frequencies
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StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
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StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
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Symmetric
Equal distribution about one or more axes.
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Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
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Total
The summation of quantities over all possible species.
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Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
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Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
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Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
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Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
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Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
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Characteristic
A quantity which can be easily identified and measured in a given environment.
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Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
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Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
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Component
Projection of a vector along one of the base axes of a coordinate system.
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Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
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Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
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Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
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CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
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Deviation
The difference between an observed value and the expected value of a quantity.
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Differential
A flux measurement within a narrow range of energy and/or solid angle.
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Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
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DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
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DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
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DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
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DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
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FieldAligned
The component of a quantity which is oriented in the same direction of a field.
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Fit
Values that make an model agree with the data.
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Group
An assemblage of values that a certain relation or common characteristic.
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Integral
A flux measurement in a broad range of energy and solid angle.
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Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
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Integral.Bandwidth
Integration over the width a frequency band.
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Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
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LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
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Linear
Polarization where the E-field vector is confined to a given plane
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Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
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Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
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Parallel
Having the same direction as a given direction
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Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
enumeration
Perpendicular
At right angles to a given direction.
enumeration
Perturbation
Variations in the state of a system.
enumeration
Phase
A point or portion in a recurring series of changes.
enumeration
PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
enumeration
Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
enumeration
Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
enumeration
Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
enumeration
Ratio
The relative magnitudes of two quantities.
enumeration
Scalar
A quantity that is completely specified by its magnitude and has no direction.
enumeration
Spectral
Characterized as a range or continuum of frequencies
enumeration
StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Symmetric
Equal distribution about one or more axes.
enumeration
Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
enumeration
Total
The summation of quantities over all possible species.
enumeration
Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
The flow of electrons through a conductor caused by a potential difference.
enumeration
Electric
The physical attribute that exerts an electrical force.
enumeration
Electromagnetic
Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the waves propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
Magnetic
The physical attribute attributed to a magnet or its equivalent.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Potential
A field which obeys Laplaces Equation.
enumeration
PoyntingFlux
Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.
A suspension of fine solid or liquid particles in a gas.
enumeration
AlphaParticle
A positively charged nuclear particle that consists of two protons and two neutrons.
enumeration
Atom
Matter consisting of a nucleus surrounded by electrons which has no net charge.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
Electron
An elementary particle consisting of a charge of negative electricity equal to about 1.602 x 10^(-19) Coulomb and having a mass when at rest of about 9.109534 x 10^(-28) gram.
enumeration
Ion
An atom that has acquired a net electric charge by gaining or losing one or more electrons.(Note: Z>2)
enumeration
Molecule
A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state
enumeration
Neutron
An elementary particle that has no net charge and is a constituent of atomic nuclei, and that has a mass slightly large than a proton (1.673 x 10^(-24) gram.)
enumeration
Proton
An elementary particle that is a constituent of all atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 x 10^(-24) gram.
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
enumeration
Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
enumeration
Characteristic
A quantity which can be easily identified and measured in a given environment.
enumeration
Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
enumeration
Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
enumeration
Component
Projection of a vector along one of the base axes of a coordinate system.
enumeration
Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
enumeration
Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
enumeration
Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
enumeration
CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
enumeration
Deviation
The difference between an observed value and the expected value of a quantity.
enumeration
Differential
A flux measurement within a narrow range of energy and/or solid angle.
enumeration
Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
enumeration
DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
enumeration
DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
enumeration
DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
enumeration
FieldAligned
The component of a quantity which is oriented in the same direction of a field.
enumeration
Fit
Values that make an model agree with the data.
enumeration
Group
An assemblage of values that a certain relation or common characteristic.
enumeration
Integral
A flux measurement in a broad range of energy and solid angle.
enumeration
Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
enumeration
Integral.Bandwidth
Integration over the width a frequency band.
enumeration
Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
enumeration
LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
enumeration
Linear
Polarization where the E-field vector is confined to a given plane
enumeration
Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
enumeration
Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
enumeration
Parallel
Having the same direction as a given direction
enumeration
Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
enumeration
Perpendicular
At right angles to a given direction.
enumeration
Perturbation
Variations in the state of a system.
enumeration
Phase
A point or portion in a recurring series of changes.
enumeration
PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
enumeration
Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
enumeration
Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
enumeration
Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
enumeration
Ratio
The relative magnitudes of two quantities.
enumeration
Scalar
A quantity that is completely specified by its magnitude and has no direction.
enumeration
Spectral
Characterized as a range or continuum of frequencies
enumeration
StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Symmetric
Equal distribution about one or more axes.
enumeration
Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
enumeration
Total
The summation of quantities over all possible species.
enumeration
Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
An angular measure of the direction from which an energetic particle or photon was incident on a detector. The angles may be measured in any coordinate system.
enumeration
AtomicNumberDetected
The number of protons in the nucleus of an atom as determined by a detector.
enumeration
AverageChargeState
A measure of the composite deficit (positive) or excess (negative) of electrons with respect to protons.
enumeration
ChargeState
Charge of a fully or partially stripped ion, in units of the charge of a proton. Charge state of a bare proton = 1.
enumeration
CountRate
The number of events per unit time.
enumeration
Counts
An enumeration of the number of detection events occurring in a particle detector per unit time or over detector accumulation times.
enumeration
Energy
The capacity for doing work as measured by the capability of doing work (potential energy) or the conversion of this capability to motion (kinetic energy)
enumeration
EnergyDensity
The amount of energy per unit volume.
enumeration
EnergyFlux
The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
FlowSpeed
The rate at which particles or energy is passing through a unit area in a unit time.
enumeration
FlowVelocity
The volume of matter passing through a unit area perpendicular to the direction of flow in a unit of time.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
HeatFlux
Flow of thermal energy through a gas or plasma; typically computed as third moment of a distribution function.
enumeration
Mass
The measure of inertia (mass) of individual objects (e.g., aerosols).
enumeration
MassDensity
The mass of particles per unit volume.
enumeration
MassNumber
The total number of protons and neutrons (together known as nucleons) in an atomic nucleus.
enumeration
NumberDensity
The number of particles per unit volume.
enumeration
NumberFlux
The number of particles passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
PhaseSpaceDensity
The number of particles per unit volume in the six-dimensional space of position and velocity.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Pressure
The force per unit area exerted by a particle distribution or field.
enumeration
SonicMachNumber
The ratio of the bulk flow speed to the speed of sound in the medium.
enumeration
SoundSpeed
The speed at which sound travels through a medium.
enumeration
Temperature
A measure of the kinetic energy of random motion with respect to the average. Temperature is properly defined only for an equilibrium particle distribution (Maxwellian distribution).
enumeration
ThermalSpeed
For a Maxwellian distribution, the difference between the mean speed and the speed within which ~69% (one sigma) of all the members of the speed distribution occur.
enumeration
Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
enumeration
Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
enumeration
Characteristic
A quantity which can be easily identified and measured in a given environment.
enumeration
Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
enumeration
Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
enumeration
Component
Projection of a vector along one of the base axes of a coordinate system.
enumeration
Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
enumeration
Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
enumeration
Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
enumeration
CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
enumeration
Deviation
The difference between an observed value and the expected value of a quantity.
enumeration
Differential
A flux measurement within a narrow range of energy and/or solid angle.
enumeration
Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
enumeration
DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
enumeration
DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
enumeration
DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
enumeration
FieldAligned
The component of a quantity which is oriented in the same direction of a field.
enumeration
Fit
Values that make an model agree with the data.
enumeration
Group
An assemblage of values that a certain relation or common characteristic.
enumeration
Integral
A flux measurement in a broad range of energy and solid angle.
enumeration
Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
enumeration
Integral.Bandwidth
Integration over the width a frequency band.
enumeration
Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
enumeration
LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
enumeration
Linear
Polarization where the E-field vector is confined to a given plane
enumeration
Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
enumeration
Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
enumeration
Parallel
Having the same direction as a given direction
enumeration
Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
enumeration
Perpendicular
At right angles to a given direction.
enumeration
Perturbation
Variations in the state of a system.
enumeration
Phase
A point or portion in a recurring series of changes.
enumeration
PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
enumeration
Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
enumeration
Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
enumeration
Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
enumeration
Ratio
The relative magnitudes of two quantities.
enumeration
Scalar
A quantity that is completely specified by its magnitude and has no direction.
enumeration
Spectral
Characterized as a range or continuum of frequencies
enumeration
StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Symmetric
Equal distribution about one or more axes.
enumeration
Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
enumeration
Total
The summation of quantities over all possible species.
enumeration
Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the waves propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.
enumeration
Electrostatic
Collective longitudinal electric-field and plasma oscillations trapped within a body of plasma.
enumeration
Hydrodynamic
Periodic or quasi-periodic oscillations of fluid quantities.
enumeration
MHD
Hydrodynamic waves in a magnetized plasma in which the background magnetic field plays a key role in controlling the wave propagation characteristics.
enumeration
Photon
Electromagnetic waves detected by techniques that utilize their corpuscular character (e.g., CCD, CMOS, photomultipliers).
enumeration
PlasmaWaves
Self-consistent collective oscillations of particles and fields (electric and magnetic) in a plasma.
Decrease of radiant energy (relative to the background continuum spectrum).
enumeration
DopplerFrequency
Change in the frequency of a propagating wave due to motion of the source, the observer, the reflector, or the propagation medium.
enumeration
Emissivity
The energy emitted spontaneously per unit bandwidth (typically frequency) per unit time per unit mass of source. Emissivity is usually integrated over all directions/solid angles.
enumeration
EnergyFlux
The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
EquivalentWidth
The spectral width of a total absorption line having the amount of absorbed radiant energy being equivalent to that in an observed absorption line.
enumeration
Frequency
The number of occurrences of a repeating event per unit time.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
Intensity
The measurement of radiant or wave energy per unit detector area per unit bandwidth per unit solid angle per unit time.
enumeration
LineDepth
The measure of the amount of absorption below the continuum (depth) in a particular wavelength or frequency in an absorption spectrum.
enumeration
MagneticField
A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).
enumeration
ModeAmplitude
In helioseismology the magnitude of oscillation of waves of a particular geometry.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Polarization
Direction of the electric vector of an electromagnetic wave. The wave can be linearly polarized in any direction perpendicular to the direction of travel, circularly polarized (clockwise or counterclockwise), unpolarized, or mixtures of the above.
enumeration
PoyntingFlux
Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.
enumeration
PropagationTime
Time difference between transmission and reception of a wave in an active wave experiment.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
enumeration
Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
enumeration
Characteristic
A quantity which can be easily identified and measured in a given environment.
enumeration
Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
enumeration
Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
enumeration
Component
Projection of a vector along one of the base axes of a coordinate system.
enumeration
Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
enumeration
Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
enumeration
Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
enumeration
CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
enumeration
Deviation
The difference between an observed value and the expected value of a quantity.
enumeration
Differential
A flux measurement within a narrow range of energy and/or solid angle.
enumeration
Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
enumeration
DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
enumeration
DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
enumeration
DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
enumeration
FieldAligned
The component of a quantity which is oriented in the same direction of a field.
enumeration
Fit
Values that make an model agree with the data.
enumeration
Group
An assemblage of values that a certain relation or common characteristic.
enumeration
Integral
A flux measurement in a broad range of energy and solid angle.
enumeration
Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
enumeration
Integral.Bandwidth
Integration over the width a frequency band.
enumeration
Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
enumeration
LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
enumeration
Linear
Polarization where the E-field vector is confined to a given plane
enumeration
Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
enumeration
Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
enumeration
Parallel
Having the same direction as a given direction
enumeration
Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
enumeration
Perpendicular
At right angles to a given direction.
enumeration
Perturbation
Variations in the state of a system.
enumeration
Phase
A point or portion in a recurring series of changes.
enumeration
PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
enumeration
Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
enumeration
Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
enumeration
Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
enumeration
Ratio
The relative magnitudes of two quantities.
enumeration
Scalar
A quantity that is completely specified by its magnitude and has no direction.
enumeration
Spectral
Characterized as a range or continuum of frequencies
enumeration
StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Symmetric
Equal distribution about one or more axes.
enumeration
Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
enumeration
Total
The summation of quantities over all possible species.
enumeration
Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
A measure of the magnetopause energy flux and an indicator of the solar wind power available for subsequent magnetospheric energization. Defined as: V*B^2*l^2sin(theta/2)^4 where B is the IMF, l is an empirical scaling parameter equal to 7 RE, and theta = tan(BY /BZ)^-1 the IMF clock angle.
enumeration
AlfvenMachNumber
The ratio of the bulk flow speed to the Alfven speed.
enumeration
AlfvenVelocity
Phase velocity of the Alfven wave; In SI units it is the velocity of the magnetic field divided by the square root of the mass density times the permeability of free space (mu).
enumeration
FrequencyToGyrofrequencyRatio
The ratio of the characteristic frequency of a medium to gyrofrequency of a particle.
enumeration
MagnetosonicMachNumber
The ratio of the velocity of fast mode waves to the Alfven velocity.
enumeration
Other
Not classified with more specific terms. The context of its usage may be described in related text.
enumeration
PlasmaBeta
The ratio of the plasma pressure (nkT) to the magnetic pressure (B^2/2mu0) of the SUM(nkT)/(B^2/2mu0).
enumeration
TotalPressure
In an MHD fluid it is the number density (N) times Boltzmann constant times the temperature in Kelvin.
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VCrossB
The cross product of the charge velocity (V) and the magnetic field (B). It is the electric field exerted on a point charge by a magnetic field.
A suspension of fine solid or liquid particles in a gas.
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AlphaParticle
A positively charged nuclear particle that consists of two protons and two neutrons.
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Atom
Matter consisting of a nucleus surrounded by electrons which has no net charge.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
Electron
An elementary particle consisting of a charge of negative electricity equal to about 1.602 x 10^(-19) Coulomb and having a mass when at rest of about 9.109534 x 10^(-28) gram.
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Ion
An atom that has acquired a net electric charge by gaining or losing one or more electrons.(Note: Z>2)
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Molecule
A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state
enumeration
Neutron
An elementary particle that has no net charge and is a constituent of atomic nuclei, and that has a mass slightly large than a proton (1.673 x 10^(-24) gram.)
enumeration
Proton
An elementary particle that is a constituent of all atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 x 10^(-24) gram.
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
enumeration
Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
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Characteristic
A quantity which can be easily identified and measured in a given environment.
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Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
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Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
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Component
Projection of a vector along one of the base axes of a coordinate system.
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Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
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Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
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Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
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CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
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Deviation
The difference between an observed value and the expected value of a quantity.
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Differential
A flux measurement within a narrow range of energy and/or solid angle.
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Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
enumeration
DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
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DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
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DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
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FieldAligned
The component of a quantity which is oriented in the same direction of a field.
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Fit
Values that make an model agree with the data.
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Group
An assemblage of values that a certain relation or common characteristic.
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Integral
A flux measurement in a broad range of energy and solid angle.
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Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
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Integral.Bandwidth
Integration over the width a frequency band.
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Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
enumeration
LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
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Linear
Polarization where the E-field vector is confined to a given plane
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Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
enumeration
Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
enumeration
Parallel
Having the same direction as a given direction
enumeration
Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
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Perpendicular
At right angles to a given direction.
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Perturbation
Variations in the state of a system.
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Phase
A point or portion in a recurring series of changes.
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PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
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Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
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Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
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Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
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Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
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Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
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Ratio
The relative magnitudes of two quantities.
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Scalar
A quantity that is completely specified by its magnitude and has no direction.
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Spectral
Characterized as a range or continuum of frequencies
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StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
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Symmetric
Equal distribution about one or more axes.
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Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
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Total
The summation of quantities over all possible species.
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Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
An indication of a state (mode) in which the instrument is operating. How a mode influences the interpretation and representation of data is described in instrument related documentation.
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Other
Not classified with more specific terms. The context of its usage may be described in related text.
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Positional
The specification of the location of an object or measurement within a reference coordinate system. The position is usually expressed as a set of values corresponding to the location along a set of orthogonal axes together with the date/time of the observation.
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Temporal
Pertaining to time.
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Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
An indication, derived from one or more measurements, of the level of activity of an object or region, such as sunspot number, F10.7 flux, Dst, or the Polar Cap Indices.
enumeration
Dopplergram
A map or image depicting the spatial distribution of line-of-sight velocities of the observed object.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
ElectricField
A region of space around a charged particle, or between two voltages within which a force is exerted on charged objects in its vicinity. An electric field is the electric force per unit charge.
enumeration
EnergeticParticles
Pieces of matter that are moving very fast. Energetic particles include protons, electrons, neutrons, neutrinos, the nuclei of atoms, and other sub-atomic particles.
enumeration
Ephemeris
The spatial coordinates of a body as a function of time. When used as an Instrument Type it represents the process or methods used to generate spatial coordinates.
enumeration
ImageIntensity
Measurements of the two-dimensional distribution of the intensity of photons from some region or object such as the Sun or the polar auroral regions; can be in any wavelength band, and polarized, etc.
enumeration
InstrumentStatus
A quantity directly related to the operation or function of an instrument.
enumeration
IonComposition
In situ measurements of the relative flux or density of electrically charged particles in the space environment. May give simple fluxes, but full distribution functions are sometimes measured.
enumeration
Irradiance
A radiometric term for the power of electromagnetic radiation at a surface, per unit area. Irradiance is used when the electromagnetic radiation is incident on the surface. The SI unit of irradiance is watts per square meter (W7m-2).
enumeration
MagneticField
A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).
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Magnetogram
Measurements of the vector or line-of-sight magnetic field determined from remote sensing measurements of the detailed structure of spectral lines, including their splitting and polarization. (Magnetogram.)
enumeration
NeutralAtomImages
Measurements of neutral atom fluxes as a function of look direction; often related to remote energetic charged particles that lose their charge through charge-exchange and then reach the detector on a line-of-sight trajectory.
enumeration
NeutralGas
Measurements of neutral atomic and molecular components of a gas.
enumeration
Profile
Measurements of a quantity as a function of height above an object such as the limb of a body.
enumeration
Radiance
A radiometric measurement that describes the amount of electromagnetic radiation that passes through or is emitted from a particular area, and falls within a given solid angle in a specified direction. They are used to characterize both emission from diffuse sources and reflection from diffuse surfaces. The SI unit of radiance is watts per steradian per square meter (W*s*r^-1*m^-2).
enumeration
Spectrum
The distribution of a characteristic of a physical system or phenomenon, such as the energy emitted by a radiant source, arranged in the order of wavelengths.
enumeration
ThermalPlasma
Measurements of the plasma in the energy regime where the most of the plasma occurs. May be the basic fluxes in the form of distribution functions or the derived bulk parameters (density, flow velocity, etc.).
enumeration
Waves
Data resulting from observations of wave experiments and natural wave phenomena. Wave experiments are typically active and natural wave phenomena are passive. Examples of wave experiments include coherent/incoherent scatter radars, radio soundings, VLF propagation studies, ionospheric scintillation of beacon satellite signals, etc. Examples of natural wave phenomena include micropulsations, mesospheric gravity waves, auroral/plasmaspheric hiss, Langmuir waves, AKR, Jovian decametric radiation, solar radio bursts, etc.
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Waves.Active
Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.
enumeration
Waves.Passive
Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.
A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.
enumeration
Comet
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
enumeration
Earth
The third planet from the sun in our solar system.
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Earth.Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
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Earth.Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
enumeration
Earth.Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
enumeration
Earth.Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
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Earth.Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
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Earth.Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
enumeration
Earth.NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
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Earth.NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
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Earth.NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
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Earth.NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
Earth.NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
Earth.NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
Earth.NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
enumeration
Earth.NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
enumeration
Earth.NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
enumeration
Earth.NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
enumeration
Earth.NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
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Earth.NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
enumeration
Earth.NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
enumeration
Earth.NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
enumeration
Earth.Surface
The outermost area of a solid object.
enumeration
Heliosphere
The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
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Heliosphere.Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
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Heliosphere.NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
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Heliosphere.Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
enumeration
Heliosphere.Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
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Interstellar
The region between stars outside of the stars heliopause.
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Jupiter
The fifth planet from the sun in our solar system.
enumeration
Mars
The forth planet from the sun in our solar system.
enumeration
Mercury
The first planet from the sun in our solar system.
enumeration
Neptune
The seventh planet from the sun in our solar system.
enumeration
Pluto
The ninth (sub)planet from the sun in our solar system.
enumeration
Saturn
The sixth planet from the sun in our solar system.
enumeration
Sun
The star upon which our solar system is centered.
enumeration
Sun.Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
enumeration
Sun.Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
enumeration
Sun.Interior
The region inside the body which is not visible from outside the body.
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Sun.Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
enumeration
Sun.TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
enumeration
Uranus
The eighth planet from the sun in our solar system.
enumeration
Venus
The second planet from the sun in our solar system.
An indication, derived from one or more measurements, of the level of activity of an object or region, such as sunspot number, F10.7 flux, Dst, or the Polar Cap Indices.
enumeration
Dopplergram
A map or image depicting the spatial distribution of line-of-sight velocities of the observed object.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
ElectricField
A region of space around a charged particle, or between two voltages within which a force is exerted on charged objects in its vicinity. An electric field is the electric force per unit charge.
enumeration
EnergeticParticles
Pieces of matter that are moving very fast. Energetic particles include protons, electrons, neutrons, neutrinos, the nuclei of atoms, and other sub-atomic particles.
enumeration
Ephemeris
The spatial coordinates of a body as a function of time. When used as an Instrument Type it represents the process or methods used to generate spatial coordinates.
enumeration
ImageIntensity
Measurements of the two-dimensional distribution of the intensity of photons from some region or object such as the Sun or the polar auroral regions; can be in any wavelength band, and polarized, etc.
enumeration
InstrumentStatus
A quantity directly related to the operation or function of an instrument.
enumeration
IonComposition
In situ measurements of the relative flux or density of electrically charged particles in the space environment. May give simple fluxes, but full distribution functions are sometimes measured.
enumeration
Irradiance
A radiometric term for the power of electromagnetic radiation at a surface, per unit area. Irradiance is used when the electromagnetic radiation is incident on the surface. The SI unit of irradiance is watts per square meter (W7m-2).
enumeration
MagneticField
A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).
enumeration
Magnetogram
Measurements of the vector or line-of-sight magnetic field determined from remote sensing measurements of the detailed structure of spectral lines, including their splitting and polarization. (Magnetogram.)
enumeration
NeutralAtomImages
Measurements of neutral atom fluxes as a function of look direction; often related to remote energetic charged particles that lose their charge through charge-exchange and then reach the detector on a line-of-sight trajectory.
enumeration
NeutralGas
Measurements of neutral atomic and molecular components of a gas.
enumeration
Profile
Measurements of a quantity as a function of height above an object such as the limb of a body.
enumeration
Radiance
A radiometric measurement that describes the amount of electromagnetic radiation that passes through or is emitted from a particular area, and falls within a given solid angle in a specified direction. They are used to characterize both emission from diffuse sources and reflection from diffuse surfaces. The SI unit of radiance is watts per steradian per square meter (W*s*r^-1*m^-2).
enumeration
Spectrum
The distribution of a characteristic of a physical system or phenomenon, such as the energy emitted by a radiant source, arranged in the order of wavelengths.
enumeration
ThermalPlasma
Measurements of the plasma in the energy regime where the most of the plasma occurs. May be the basic fluxes in the form of distribution functions or the derived bulk parameters (density, flow velocity, etc.).
enumeration
Waves
Data resulting from observations of wave experiments and natural wave phenomena. Wave experiments are typically active and natural wave phenomena are passive. Examples of wave experiments include coherent/incoherent scatter radars, radio soundings, VLF propagation studies, ionospheric scintillation of beacon satellite signals, etc. Examples of natural wave phenomena include micropulsations, mesospheric gravity waves, auroral/plasmaspheric hiss, Langmuir waves, AKR, Jovian decametric radiation, solar radio bursts, etc.
enumeration
Waves.Active
Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.
enumeration
Waves.Passive
Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.
A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.
enumeration
Comet
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
enumeration
Earth
The third planet from the sun in our solar system.
enumeration
Earth.Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
enumeration
Earth.Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
enumeration
Earth.Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
enumeration
Earth.Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
enumeration
Earth.Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
enumeration
Earth.Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
enumeration
Earth.NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
enumeration
Earth.NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
enumeration
Earth.NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
enumeration
Earth.NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
Earth.NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
Earth.NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
Earth.NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
enumeration
Earth.NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
enumeration
Earth.NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
enumeration
Earth.NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
enumeration
Earth.NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
enumeration
Earth.NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
enumeration
Earth.NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
enumeration
Earth.NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
enumeration
Earth.Surface
The outermost area of a solid object.
enumeration
Heliosphere
The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
enumeration
Heliosphere.Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
enumeration
Heliosphere.NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
enumeration
Heliosphere.Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
enumeration
Heliosphere.Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
enumeration
Interstellar
The region between stars outside of the stars heliopause.
enumeration
Jupiter
The fifth planet from the sun in our solar system.
enumeration
Mars
The forth planet from the sun in our solar system.
enumeration
Mercury
The first planet from the sun in our solar system.
enumeration
Neptune
The seventh planet from the sun in our solar system.
enumeration
Pluto
The ninth (sub)planet from the sun in our solar system.
enumeration
Saturn
The sixth planet from the sun in our solar system.
enumeration
Sun
The star upon which our solar system is centered.
enumeration
Sun.Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
enumeration
Sun.Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
enumeration
Sun.Interior
The region inside the body which is not visible from outside the body.
enumeration
Sun.Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
enumeration
Sun.TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
enumeration
Uranus
The eighth planet from the sun in our solar system.
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Venus
The second planet from the sun in our solar system.
A complementary item which can be subordinate, subsidiary, auxiliary, supplementary to the primary item.
enumeration
Browse
A representation of an image which is suitable to reveal most or all of the details of the image.
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Data
A collection of organized information, usually the results of experience, observation or experiment, or a set of premises. This may consist of numbers, words, or images, particularly as measurements or observations of a set of variables.
enumeration
Layout
The structured arrangement of items in a collection.
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Thumbnail
A small representation of an image which is suitable to infer what the full-sized imaged is like.
Message Digest 5 (MD5) is a 128-bit message digest algorithm created in 1991 by Professor Ronald Rivest.
enumeration
SHA1
Secure Hash Algorithm (SHA), a 160-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.
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SHA256
Secure Hash Algorithm (SHA), a 256-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.
An instrument that detects electrons, ions, and UV-radiation, according to the principle of a secondary emission multiplier. It is typically used in electron spectroscopy and mass spectrometry.
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Coronograph
An instrument which can image things very close to the Sun by using a disk to block the Suns bright surface which reveals the faint solar corona and other celestial objects.
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DoubleSphere
A dipole antenna of which the active (sensor) elements are small spheres located at the ends of two wires deployed in the equatorial plane, on opposite sides of a spinning spacecraft.
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DustDetector
An instrument which determines the mass and speed of ambient dust particles.
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ElectronDriftInstrument
An active experiment to measure the electron drift velocity based on sensing the displacement of a weak beam of electrons after one gyration in the ambient magnetic field.
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ElectrostaticAnalyser
An instrument which uses charged plates to analyze the mass, charge and kinetic energies of charged particles which enter the instrument.
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EnergeticParticleInstrument
An instrument that measures fluxes of charged particles as a function of time, direction of motion, mass, charge and/or species.
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FaradayCup
An instrument consisting of an electrode from which electrical current is measured while a charged particle beam (electrons or ions) impinges on it. Used to determine energy spectrum and sometimes ion composition of the impinging particles.
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FluxFeedback
A search coil whose bandwidth and signal/noise ratio are increased by the application of negative feedback at the sensor (flux) level by driving a collocated coil with a signal from the preamplifier.
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FourierTransformSpectrograph
An instrument that determines the spectra of a radiative source, using time-domain measurements and a Fourier transform.
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GeigerMuellerTube
An instrument which measures density of ionizing radiation based on interactions with a gas.
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Imager
An instrument which samples the radiation from an area at one or more spectral ranges emitted or reflected by an object.
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ImagingSpectrometer
An instrument which is a multispectral scanner with a very large number of channels (64-256 channels) with very narrow band widths.
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Interferometer
An instrument to study the properties of two or more waves from the pattern of interference created by their superposition.
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IonChamber
A device in which the collected electrical charge from ionization in a gas-filled cavity is taken to be the proportion to some parameter (e.g. dose or exposure) of radiation field
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IonDrift
A device which measures the current produced by the displacement of ambient ions on a grid, thereby allowing the determination of the ion trajectory and velocity.
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LangmuirProbe
A monopole antenna associated with an instrument. The instrument applies a potential to the antenna which is swept to determine the voltage/current characteristic. This provides information about the plasma surrounding the probe and spacecraft.
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LongWire
A dipole antenna whose active (sensor) elements are two wires deployed in the equatorial plane on opposite sides of a spinning spacecraft, and whose length is several times greater than the spacecraft diameter.
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Magnetometer
An instrument which measures the ambient magnetic field.
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MassSpectrometer
An instrument which distinguishes chemical species in terms of their different isotopic masses.
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MicrochannelPlate
An instrument used for the detection of elementary particles, ions, ultraviolet rays and soft X-rays constructed from very thin conductive glass capillaries.
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MultispectralImager
An instrument which captures images at multiple spectral ranges.
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NeutralAtomImager
An instrument which measures the quantity and properties of neutral particles over a range of angles. Measured properties can include mass and energy.
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NeutralParticleDetector
An instrument which measures the quantity and properties of neutral particles. Measured properties can include mass and plasma bulk densities.
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ParticleCorrelator
An instrument which correlates particle flux to help identify wave/particle interactions.
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ParticleDetector
An instrument which detects particle flux!!!
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Photometer
An instrument which measures the strength of electromagnetic radiation within a spectral band which can range from ultraviolet to infrared and includes the visible spectrum.
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Photopolarimeter
An instrument which measures the intensity and polarization or radiant energy. A photopolarimeter is a combination of a photometer and a polarimeter.
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Platform
A collection of components which can be positioned and oriented as a single unit. A platform may contain other platforms. For example, a spacecraft is a platform which may have components that can be articulated and are also considered platforms.
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ProportionalCounter
An instrument which measures energy of ionization radiation based on interactions with a gas.
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QuadrisphericalAnalyser
An instrument used for the 3-D detection of plasma, energetic electrons and ions, and for positive-ion composition measurements.
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Radar
An instrument that uses directional properties of returned power to infer spatial and/or other characteristics of a remote object.
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Radiometer
An instrument for detecting or measuring radiant energy. Radiometers are commonly limited to infrared radiation.
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ResonanceSounder
A combination of a radio receiver and a pulsed transmitter used to study the plasma surrounding a spacecraft by identifying resonances or cut-offs (of the wave dispersion relation), whose frequencies are related to the ambient plasma density and magnetic field. When the transmitter is off it is essentially a high frequency-resolution spectral power receiver.
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RetardingPotentialAnalyser
An instrument which measures ion temperatures and ion concentrations using a planar ion trap.
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Riometer
An instrument which measure the signal strength in various directions of the galactic radio signals. Variations in these signals are influenced by solar flare activity and geomagnetic storm and substorm processes.
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ScintillationDetector
An instrument which detects flouresences of a material which is excited by high energy (ionizing) electromagnetic or charged particle radiation.
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SearchCoil
An instrument which measures the time variation of the magnetic flux threading a loop by measurement of the electric potential difference induced between the ends of the wire.
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Sounder
An instrument which measures the radiances from an object. A sounder may measure radiances at multiple spectral ranges.
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SpacecraftPotentialControl
An instrument to control the electric potential of a spacecraft with respect to the ambient plasma by emitting a variable current of positive ions.
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SpectralPowerReceiver
A radio receiver which determines the power spectral density of the electric or magnetic field, or both, at one or more frequencies.
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Spectrometer
An instrument that measures the component wavelengths of light (or other electromagnetic radiation) by splitting the light up into its component wavelengths.
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TimeOfFlight
An instrument which measures the time it takes for a particle to travel between two detectors.
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Unspecified
A value which is not provided.
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WaveformReceiver
A radio receiver which outputs the value of one or more components of the electric and/or magnetic field as a function of time.
A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.
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Comet
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
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Earth
The third planet from the sun in our solar system.
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Earth.Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
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Earth.Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
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Earth.Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
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Earth.Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
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Earth.Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
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Earth.Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
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Earth.NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
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Earth.NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
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Earth.NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
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Earth.NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
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Earth.NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
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Earth.NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
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Earth.NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
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Earth.NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
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Earth.NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
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Earth.NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
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Earth.NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
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Earth.NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
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Earth.NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
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Earth.NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
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Earth.NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
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Earth.NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
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Earth.Surface
The outermost area of a solid object.
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Heliosphere
The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
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Heliosphere.Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
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Heliosphere.NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
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Heliosphere.Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
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Heliosphere.Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
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Interstellar
The region between stars outside of the stars heliopause.
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Jupiter
The fifth planet from the sun in our solar system.
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Mars
The forth planet from the sun in our solar system.
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Mercury
The first planet from the sun in our solar system.
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Neptune
The seventh planet from the sun in our solar system.
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Pluto
The ninth (sub)planet from the sun in our solar system.
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Saturn
The sixth planet from the sun in our solar system.
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Sun
The star upon which our solar system is centered.
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Sun.Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
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Sun.Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
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Sun.Interior
The region inside the body which is not visible from outside the body.
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Sun.Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
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Sun.TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
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Uranus
The eighth planet from the sun in our solar system.
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Venus
The second planet from the sun in our solar system.
Corrected Geomagnetic - A coordinate system from a spatial point with GEO radial distance and geomagnetic latitude and longitude, follow the epoch-appropriate IGRF/DGRF model field vector through to the point where the field line crosses the geomagnetic dipole equatorial plane. Then trace the dipole magnetic field vector Earthward from that point on the equatorial plane, in the same hemisphere as the original point, until the initial radial distance is reached. Designate the dipole latitude and longitude at that point as the CGM latitude and longitude of the original point. See <http://nssdc.gsfc.nasa.gov/space/cgm/cgmm_des.html>
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Carrington
A coordinate system which is centered at the Sun and is fixed with respect to the synodic rotation rate; the mean synodic value is about 27.2753 days. The Astronomical Almanac gives a value for Carrington longitude of 349.03 degrees at 0000 UT on 1 January 1995.
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DM
Dipole Meridian - A coordinate system centered at the observation point. Z axis is parallel to the Earths dipole axis, positive northward. X is in the plane defined by Z and the line linking the observation point with the Earths center. Y is positive eastward. See <http://cdpp.cnes.fr/00428.pdf>
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GEI
Geocentric Equatorial Inertial - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis points towards the first point of Aries (from the Earth towards the Sun at the vernal equinox). See Russell, 1971
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GEO
Geographic - geocentric corotating - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis lies in Greenwich meridian, positive towards Greenwich. See Russell, 1971.
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GSE
Geocentric Solar Ecliptic - A coordinate system where the X axis is from Earth to Sun. Z axis is normal to the ecliptic, positive northward. See Russell, 1971.
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GSEQ
Geocentric Solar Equatorial - A coordinate system where the X axis is from Earth to Sun. Y axis is parallel to solar equatorial plane. Z axis is positive northward. See Russell, 1971
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GSM
Geocentric Solar Magnetospheric - A coordinate system where the X axis is from Earth to Sun, Z axis is northward in a plane containing the X axis and the geomagnetic dipole axis. See Russell, 1971
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HAE
Heliocentric Aries Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as SE below. See Hapgood, 1992.
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HCI
Heliographic Carrington Inertial.
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HEE
Heliocentric Earth Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis points from Sun to Earth. See Hapgood, 1992
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HEEQ
Heliocentric Earth Equatorial - A coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is generally Earthward in the plane defined by the Z axis and the Sun-Earth direction. See Hapgood, 1992.
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HG
Heliographic - A heliocentric rotating coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X, Y axes rotate with a 25.38 day period. The zero longitude (X axis) is defined as the longitude that passed through the ascending node of the solar equator on the ecliptic plane on 1 January, 1854 at 12 UT. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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HGI
Heliographic Inertial - A heliocentric coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is along the intersection line between solar equatorial and ecliptic planes. The X axis was positive at SE longitude of 74.367 deg on Jan 1, 1900. (See SE below.) See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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J2000
An astronomical coordinate system which uses the mean equator and equinox of Julian date 2451545.0 TT (Terrestrial Time), or January 1, 2000, noon TT. (aka J2000) to define a celestial reference frame.
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LGM
Local Geomagnetic - A coordinate system used mainly for Earth surface or near Earth surface magnetic field data. X axis northward from observation point in a geographic meridian. Z axis downward towards Earths center. In this system, H (total horizontal component) = SQRT (Bx^2 + By^2) and D (declination angle) = arctan (By/Bx)
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MAG
Geomagnetic - geocentric. Z axis is parallel to the geomagnetic dipole axis, positive north. X is in the plane defined by the Z axis and the Earths rotation axis. If N is a unit vector from the Earths center to the north geographic pole, the signs of the X and Y axes are given by Y = N x Z, X = Y x Z.. See Russell, 1971, and <http://cdpp.cnes.fr/00428.pdf>
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MFA
Magnetic Field Aligned - A coordinate system spacecraft-centered system with Z in the direction of the ambient magnetic field vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
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RTN
Radial Tangential Normal. Typically centered at a spacecraft. Used for IMF and plasma V vectors. R (radial) axis is radially away from the Sun, T (tangential) axis is normal to the plane formed by R and the Suns spin vector, positive in the direction of planetary motion. N (normal) is R x T.
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SC
Spacecraft - A coordinate system defined by the spacecraft geometry and/or spin. Often has Z axis parallel to spacecraft spin vector. X and Y axes may or may not corotate with the spacecraft. See SR and SR2 below.
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SE
Solar Ecliptic - A heliocentric coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as HAE above. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
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SM
Solar Magnetic - A geocentric coordinate system where the Z axis is northward along Earths dipole axis, X axis is in plane of z axis and Earth-Sun line, positive sunward. See Russell, 1971.
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SR
Spin Reference - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X and Y rotate with the spacecraft. See <http://cdpp.cnes.fr/00428.pdf>
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SR2
Spin Reference 2 - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
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SSE
Spacecraft Solar Ecliptic - A coordinate system used for deep space spacecraft, for example Helios. - X axis from spacecraft to Sun. Z axis normal to ecliptic plane, positive northward. Note: Angle between normals to ecliptic and to Helios orbit plane ~ 0.25 deg.
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SpacecraftOrbitPlane
A coordinate system where X lies in the plane normal to and in the direction of motion of the spacecraft, Z is normal to this plane and Y completes the triad in a right-handed coordinate system.
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WGS84
The World Geodetic System (WGS) defines a reference frame for the earth, for use in geodesy and navigation. The WGS84 uses the zero meridian as defined by the Bureau International de lHeure.
A localized, transient volume of the solar atmosphere in which PLAGEs, SUNSPOTS, FACULAe, FLAREs, etc. may be observed.
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Aurora
An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earths magnetic lines of force.
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BowShockCrossing
A crossing of the boundary between the undisturbed (except for foreshock effects) solar wind and the shocked, decelerated solar wind of the magnetosheath.
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CoronalHole
An extended region of the corona, exceptionally low in density and associated with unipolar photospheric regions. A coronal hole can be an open magnetic field in the corona and (perhaps) inner heliosphere which has a faster than average outflow (wind); A region of lower than quiet ion and electron density in the corona; or a region of lower peak electron temperature in the corona than in the quiet corona.
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CoronalMassEjection
A solar event (CME) that involves a burst of plasma ejected into the interplanetary medium. CMEs may be observed remotely relatively near the sun or in situ in the interplanetary medium. The latter type of observations are often referred to as Interplanetary CMEs (ICMEs).
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EITWave
A wave in the corona of the Sun which produce shock waves on the Suns chromosphere (Moreton Waves). EIT Waves are produced by large solar flare and expand outward at about 1,000 km/s. It usually appears as a slowly moving diffuse arc of brightening in H-alpha, and may travel for several hundred thousand km.
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EnergeticSolarParticleEvent
An enhancement of interplanetary fluxes of energetic ions accelerated by interplanetary shocks and/or solar flares.
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ForbushDecrease
A rapid decrease in the observed galactic cosmic ray intensity following the passage of an outwardly convecting interplanetary magnetic field disturbance, such as those associated with large CMEs, that sweep some galactic cosmic rays away from Earth.
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GeomagneticStorm
A magnetospheric disturbance typically defined by variations in the horizontal component of the Earths surface magnetic field. The variation typically starts with a field enhancement associated with a solar wind pressure pulse and continues with a field depression associated with an enhancement of the diamagnetic magnetospheric ring current.
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InterplanetaryShock
A shock propagating generally anti-sunward through the slower solar wind, often seen in front of CME-associated plasma clouds.
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MagneticCloud
A transient event observed in the solar wind characterized as a region of enhanced magnetic field strength, smooth rotation of the magnetic field vector and low proton density and temperature.
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MagnetopauseCrossing
A crossing of the interface between the shocked solar wind in the magnetosheath and the magnetic field and plasma in the magnetosphere.
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RadioBurst
Emissions of the sun in radio wavelengths from centimeters to dekameters, under both quiet and disturbed conditions. Radio Bursts can be Type I consisting of many short, narrow-band bursts in the metric range (300 - 50 MHz).; Type II consisting of narrow-band emission that begins in the meter range (300 MHz) and sweeps slowly (tens of minutes) toward dekameter wavelengths (10 MHz).; Type III consisting of narrow-band bursts that sweep rapidly (seconds) from decimeter to dekameter wavelengths (500 - 0.5 MHz); and Type IV consisting of a smooth continuum of broad-band bursts primarily in the meter range (300 - 30 MHz).
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SolarFlare
An explosive event in the Suns atmosphere which produces electromagnetic radiation across the electromagnetic spectrum at multiple wavelengths from long-wave radio to the shortest wavelength gamma rays.
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SolarWindExtreme
Intervals of unusually large or small values of solar wind attributes such as flow speed and ion density.
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StreamInteractionRegion
The region (SIR) where two solar wind streams, typically having differing characteristics and solar sources, abut up against (and possibly partially interpenetrate) each other.
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Substorm
A process by which plasma in the magnetotail becomes energized at a fast rate.
A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.
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Comet
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
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Earth
The third planet from the sun in our solar system.
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Earth.Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
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Earth.Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
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Earth.Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
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Earth.Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
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Earth.Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
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Earth.Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
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Earth.NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
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Earth.NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
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Earth.NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
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Earth.NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
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Earth.NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
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Earth.NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
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Earth.NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
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Earth.NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
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Earth.NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
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Earth.NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
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Earth.NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
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Earth.NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
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Earth.NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
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Earth.NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
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Earth.NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
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Earth.NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
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Earth.Surface
The outermost area of a solid object.
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Heliosphere
The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
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Heliosphere.Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
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Heliosphere.NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
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Heliosphere.Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
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Heliosphere.Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
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Interstellar
The region between stars outside of the stars heliopause.
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Jupiter
The fifth planet from the sun in our solar system.
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Mars
The forth planet from the sun in our solar system.
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Mercury
The first planet from the sun in our solar system.
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Neptune
The seventh planet from the sun in our solar system.
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Pluto
The ninth (sub)planet from the sun in our solar system.
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Saturn
The sixth planet from the sun in our solar system.
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Sun
The star upon which our solar system is centered.
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Sun.Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
enumeration
Sun.Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
enumeration
Sun.Interior
The region inside the body which is not visible from outside the body.
enumeration
Sun.Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
enumeration
Sun.TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
enumeration
Uranus
The eighth planet from the sun in our solar system.
enumeration
Venus
The second planet from the sun in our solar system.
Space Physics Archive Search and Extract (SPASE). The outermost container or envelope for SPASE metadata. This indicates the start of the SPASE metadata.
A tabular listing of events or observational notes, especially those that have utility in aiding a user in locating data. Catalogues include lists of events, files in a product, and data availability.
<xsd:complexType name="Catalog"><xsd:annotation><xsd:documentation xml:lang="en">A tabular listing of events or observational notes, especially those that have utility in aiding a user in locating data. Catalogues include lists of events, files in a product, and data availability.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ResourceID" type="spase:ResourceID" minOccurs="1" maxOccurs="1"/><xsd:element name="ResourceHeader" type="spase:ResourceHeader" minOccurs="1" maxOccurs="1"/><xsd:element name="AccessInformation" type="spase:AccessInformation" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="ProviderResourceName" type="spase:ProviderResourceName" minOccurs="0" maxOccurs="1"/><xsd:element name="ProviderVersion" type="spase:ProviderVersion" minOccurs="0" maxOccurs="1"/><xsd:element name="InstrumentID" type="spase:InstrumentID" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="PhenomenonType" type="spase:PhenomenonType" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="TimeSpan" type="spase:TimeSpan" minOccurs="0" maxOccurs="1"/><xsd:element name="Caveats" type="spase:Caveats" minOccurs="0" maxOccurs="1"/><xsd:element name="Keyword" type="spase:Keyword" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="InputResourceID" type="spase:InputResourceID" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="Parameter" type="spase:Parameter" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="Extension" type="spase:Extension" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:ResourceID
Namespace
http://www.spase-group.org/data/schema
Annotations
A Resource ID is a URI that has the form scheme://authority/path where scheme is spase for those resources administered through the SPASE framework, authority is the unique identifier for the resource provider registered within the SPASE framework and path is the unique identifier of the resource within the context of the authority. The resource ID must be unique within the SPASE framework.
<xsd:simpleType name="ResourceID"><xsd:annotation><xsd:documentation xml:lang="en">A Resource ID is a URI that has the form scheme://authority/path where scheme is spase for those resources administered through the SPASE framework, authority is the unique identifier for the resource provider registered within the SPASE framework and path is the unique identifier of the resource within the context of the authority. The resource ID must be unique within the SPASE framework.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:ResourceHeader
Namespace
http://www.spase-group.org/data/schema
Annotations
Attributes of a resource which pertain to the provider of the resource and descriptive information about the resource.
<xsd:simpleType name="ResourceName"><xsd:annotation><xsd:documentation xml:lang="en">A short textual description of a resource which may be useful when read by a person.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:AlternateName
Namespace
http://www.spase-group.org/data/schema
Annotations
An alternative or shortened name used to refer to a resource. This includes acronyms, expanded names or a synonym for a resource.
<xsd:simpleType name="AlternateName"><xsd:annotation><xsd:documentation xml:lang="en">An alternative or shortened name used to refer to a resource. This includes acronyms, expanded names or a synonym for a resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:ReleaseDate
Namespace
http://www.spase-group.org/data/schema
Annotations
The date and time when a resource is made available. The availability of a resource coincides with the release of a resource description. If the Release Date is specified as a future date then it indicates that resource should not be made available until that time. However, this is only advisory and in practice the Release Date should be the actual date the resource description was published.
<xsd:simpleType name="ReleaseDate"><xsd:annotation><xsd:documentation xml:lang="en">The date and time when a resource is made available. The availability of a resource coincides with the release of a resource description. If the Release Date is specified as a future date then it indicates that resource should not be made available until that time. However, this is only advisory and in practice the Release Date should be the actual date the resource description was published.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:dateTime"/></xsd:simpleType>
Simple Type spase:ExpirationDate
Namespace
http://www.spase-group.org/data/schema
Annotations
The date and time when a resource is no longer available. If the Expiration Date is specified then it indicates that resource should not be made available after that time. However, this is only advisory and in practice a resource description should be unpublished to eliminate access to a resource.
<xsd:simpleType name="ExpirationDate"><xsd:annotation><xsd:documentation xml:lang="en">The date and time when a resource is no longer available. If the Expiration Date is specified then it indicates that resource should not be made available after that time. However, this is only advisory and in practice a resource description should be unpublished to eliminate access to a resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:dateTime"/></xsd:simpleType>
Simple Type spase:Description
Namespace
http://www.spase-group.org/data/schema
Annotations
A narrative explanation with detail appropriate for the item it describes. For example a description of data resource should include discussions of the main quantities in the resource, possible uses and search terms. A description should also include whether any corrections (i.e, geometry, inertial) have been applied to the resource.
<xsd:simpleType name="Description"><xsd:annotation><xsd:documentation xml:lang="en">A narrative explanation with detail appropriate for the item it describes. For example a description of data resource should include discussions of the main quantities in the resource, possible uses and search terms. A description should also include whether any corrections (i.e, geometry, inertial) have been applied to the resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Acknowledgement
Namespace
http://www.spase-group.org/data/schema
Annotations
The individual, group or organization which should be acknowledged when the data is used in or contributes to a presentation or publication.
<xsd:simpleType name="Acknowledgement"><xsd:annotation><xsd:documentation xml:lang="en">The individual, group or organization which should be acknowledged when the data is used in or contributes to a presentation or publication.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Contact
Namespace
http://www.spase-group.org/data/schema
Annotations
The person or organization who may be able to provide special assistance or serve as a channel for communication for additional information about a resource.
<xsd:complexType name="Contact"><xsd:annotation><xsd:documentation xml:lang="en">The person or organization who may be able to provide special assistance or serve as a channel for communication for additional information about a resource.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="PersonID" type="spase:PersonID" minOccurs="1" maxOccurs="1"/><xsd:element name="Role" type="spase:Role" minOccurs="1" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
<xsd:simpleType name="PersonID"><xsd:annotation><xsd:documentation xml:lang="en">The identifier assigned to a Person description.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Role
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the assigned or assumed function or position of an individual.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ArchiveSpecialist
An individual who is an expert on a collection of resources and may also be knowledgeable of the phenomenon and related physics represented by the resources. This includes librarians, curators, archive scientists and other experts.
enumeration
CoInvestigator
An individual who is a scientific peer and major participant in an investigation.
enumeration
Contributor
An entity responsible for making contributions to the content of the resource.
enumeration
DataProducer
An individual who generated the resource and is familiar with its provenance.
enumeration
DeputyPI
An individual who is an administrative or scientific leader for an investigation operating under the supervision of a Principal Investigator.
enumeration
FormerPI
An individual who had served as the administrative and scientific lead for an investigation, but no longer assumes that role.
enumeration
GeneralContact
An individual who can provide information on a range of subjects or who can direct you to a domain expert.
enumeration
MetadataContact
An individual who can affect a change in the metadata describing a resource.
enumeration
PrincipalInvestigator
An individual who is the administrative and scientific lead for an investigation.
enumeration
ProjectScientist
An individual who is an expert in the phenomenon and related physics explored by the project. A project scientist may also have a managerial role within the project.
enumeration
Publisher
An individual, organization, institution or government department responsible for the production and dissemination of a document.
enumeration
Scientist
An individual who is an expert in the phenomenon and related physics represented by the resource.
enumeration
TeamLeader
An individual who is the designated leader of an investigation.
enumeration
TeamMember
An individual who is a major participant in an investigation.
enumeration
TechnicalContact
An individual who can provide specific information with regard to the resource or supporting software
<xsd:simpleType name="Role"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the assigned or assumed function or position of an individual.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ArchiveSpecialist"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is an expert on a collection of resources and may also be knowledgeable of the phenomenon and related physics represented by the resources. This includes librarians, curators, archive scientists and other experts.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CoInvestigator"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is a scientific peer and major participant in an investigation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Contributor"><xsd:annotation><xsd:documentation xml:lang="en">An entity responsible for making contributions to the content of the resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DataProducer"><xsd:annotation><xsd:documentation xml:lang="en">An individual who generated the resource and is familiar with its provenance.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DeputyPI"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is an administrative or scientific leader for an investigation operating under the supervision of a Principal Investigator.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FormerPI"><xsd:annotation><xsd:documentation xml:lang="en">An individual who had served as the administrative and scientific lead for an investigation, but no longer assumes that role.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GeneralContact"><xsd:annotation><xsd:documentation xml:lang="en">An individual who can provide information on a range of subjects or who can direct you to a domain expert.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MetadataContact"><xsd:annotation><xsd:documentation xml:lang="en">An individual who can affect a change in the metadata describing a resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PrincipalInvestigator"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is the administrative and scientific lead for an investigation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ProjectScientist"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is an expert in the phenomenon and related physics explored by the project. A project scientist may also have a managerial role within the project.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Publisher"><xsd:annotation><xsd:documentation xml:lang="en">An individual, organization, institution or government department responsible for the production and dissemination of a document.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Scientist"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is an expert in the phenomenon and related physics represented by the resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TeamLeader"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is the designated leader of an investigation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TeamMember"><xsd:annotation><xsd:documentation xml:lang="en">An individual who is a major participant in an investigation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TechnicalContact"><xsd:annotation><xsd:documentation xml:lang="en">An individual who can provide specific information with regard to the resource or supporting software</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:InformationURL
Namespace
http://www.spase-group.org/data/schema
Annotations
Attributes of the method of acquiring additional information.
<xsd:simpleType name="Name"><xsd:annotation><xsd:documentation xml:lang="en">A language unit by which a person or thing is known.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:URL
Namespace
http://www.spase-group.org/data/schema
Annotations
Uniform Resource Locator (URL) is the global address of documents and other resources on the World Wide Web. The first part of the address indicates what protocol to use, and the second part specifies the IP address or the domain name where the resource is located followed by the pathname of the resource. A URL is specified in the form protocol://server.domain.name:port/pathname. Example protocols are HTTP or FTP, server domain name is the Internet name.
<xsd:simpleType name="URL"><xsd:annotation><xsd:documentation xml:lang="en">Uniform Resource Locator (URL) is the global address of documents and other resources on the World Wide Web. The first part of the address indicates what protocol to use, and the second part specifies the IP address or the domain name where the resource is located followed by the pathname of the resource. A URL is specified in the form protocol://server.domain.name:port/pathname. Example protocols are HTTP or FTP, server domain name is the Internet name.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Language
Namespace
http://www.spase-group.org/data/schema
Annotations
The two character indicator of language selected from the ISO 630-1 codes for the representation of names of languages.
<xsd:simpleType name="Language"><xsd:annotation><xsd:documentation xml:lang="en">The two character indicator of language selected from the ISO 630-1 codes for the representation of names of languages.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Association
Namespace
http://www.spase-group.org/data/schema
Annotations
Attributes of a relationship a resource has with another resource.
<xsd:complexType name="Association"><xsd:annotation><xsd:documentation xml:lang="en">Attributes of a relationship a resource has with another resource.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="AssociationID" type="spase:AssociationID" minOccurs="0" maxOccurs="1"/><xsd:element name="AssociationType" type="spase:AssociationType" minOccurs="0" maxOccurs="1"/><xsd:element name="Note" type="spase:Note" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:AssociationID
Namespace
http://www.spase-group.org/data/schema
Annotations
The resource identifier for a resource with which this resource is closely associated.
<xsd:simpleType name="AssociationID"><xsd:annotation><xsd:documentation xml:lang="en">The resource identifier for a resource with which this resource is closely associated.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:AssociationType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for resource associations.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ChildEventOf
A descendant or caused by another resource.
enumeration
DerivedFrom
A transformed or altered version of a resource instance.
enumeration
ObservedBy
Detected or originating from another resource.
enumeration
Other
Not classified with more specific terms. The context of its usage may be described in related text.
<xsd:simpleType name="AssociationType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for resource associations.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ChildEventOf"><xsd:annotation><xsd:documentation xml:lang="en">A descendant or caused by another resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DerivedFrom"><xsd:annotation><xsd:documentation xml:lang="en">A transformed or altered version of a resource instance.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ObservedBy"><xsd:annotation><xsd:documentation xml:lang="en">Detected or originating from another resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Other"><xsd:annotation><xsd:documentation xml:lang="en">Not classified with more specific terms. The context of its usage may be described in related text.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PartOf"><xsd:annotation><xsd:documentation xml:lang="en">A portion of a larger resource.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RevisionOf"><xsd:annotation><xsd:documentation xml:lang="en">A modified version of a resource instance.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Note
Namespace
http://www.spase-group.org/data/schema
Annotations
Information which is useful or important for the understanding of a value or parameter.
<xsd:simpleType name="Note"><xsd:annotation><xsd:documentation xml:lang="en">Information which is useful or important for the understanding of a value or parameter.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:PriorID
Namespace
http://www.spase-group.org/data/schema
Annotations
The resource identifier for a resource that is superseded or replaced by a resource.
<xsd:simpleType name="PriorID"><xsd:annotation><xsd:documentation xml:lang="en">The resource identifier for a resource that is superseded or replaced by a resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:AccessInformation
Namespace
http://www.spase-group.org/data/schema
Annotations
Attributes of the resource which pertain to how to accessing the resource, availability and storage format.
<xsd:simpleType name="RepositoryID"><xsd:annotation><xsd:documentation xml:lang="en">The identifier of an Repository resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Availability
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for indicating the method or service which may be used to access the resource.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Offline
Not directly accessible electronically. This includes resources which may to be moved to an on-line status in response to a given request.
<xsd:simpleType name="Availability"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for indicating the method or service which may be used to access the resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Offline"><xsd:annotation><xsd:documentation xml:lang="en">Not directly accessible electronically. This includes resources which may to be moved to an on-line status in response to a given request.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Online"><xsd:annotation><xsd:documentation xml:lang="en">Directly accessible electronically.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:AccessRights
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for permissions granted or denied by the host of a product to allow other users to access and use the resource.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Open
Access is granted to everyone.
enumeration
Restricted
Access to the product is regulated and requires some form of identification.
<xsd:simpleType name="AccessRights"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for permissions granted or denied by the host of a product to allow other users to access and use the resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Open"><xsd:annotation><xsd:documentation xml:lang="en">Access is granted to everyone.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Restricted"><xsd:annotation><xsd:documentation xml:lang="en">Access to the product is regulated and requires some form of identification.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:AccessURL
Namespace
http://www.spase-group.org/data/schema
Annotations
Attributes of the method for accessing a resource including a URL, name and description.
<xsd:complexType name="AccessURL"><xsd:annotation><xsd:documentation xml:lang="en">Attributes of the method for accessing a resource including a URL, name and description.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Name" type="spase:Name" minOccurs="0" maxOccurs="1"/><xsd:element name="URL" type="spase:URL" minOccurs="1" maxOccurs="1"/><xsd:element name="Description" type="spase:Description" minOccurs="0" maxOccurs="1"/><xsd:element name="Language" type="spase:Language" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:Format
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for data organized according to preset specifications.
Diagram
Type
restriction of xsd:string
Facets
enumeration
AVI
Audio Video Interleave (AVI) a digital format for movies that conforms to the Microsoft Windows Resource Interchange File Format (RIFF).
enumeration
Binary
A direct representation of the bits which may be stored in memory on a computer.
enumeration
CDF
Common Data Format (CDF). A binary storage format developed at Goddard Space Flight Center (GSFC).
enumeration
CEF
Cluster Exchange Format (CEF) is a self-documenting ASCII format designed for the exchange of data. There are two versions of CEF which are not totally compatible.
enumeration
CEF1
Cluster Exchange Format (CEF), version 1, is a self-documenting ASCII format designed for the exchange of data. The metadata contains information compatible with the ISTP recommendations for CDF.
enumeration
CEF2
Cluster Exchange Format (CEF), version 2, is a self-documenting ASCII format designed for the exchange of data and introduced for Cluster Active Archive. Compared to version 1, the metadata description of vectors and tensors is different.
enumeration
FITS
Flexible Image Transport System (FITS) is a digital format primarily designed to store scientific data sets consisting of multi-dimensional arrays (1-D spectra, 2-D images or 3-D data cubes) and 2-dimensional tables containing rows and columns of data.
enumeration
GIF
Graphic Interchange Format (GIF) first introduced in 1987 by CompuServe. GIF uses LZW compression and images are limited to 256 colours.
enumeration
HDF
Hierarchical Data Format
enumeration
HDF4
Hierarchical Data Format, Version 4
enumeration
HDF5
Hierarchical Data Format, Version 5
enumeration
HTML
A text file containing structured information represented in the HyperText Mark-up Language (HTML). See <http://www.w3.org/MarkUp/>
enumeration
IDFS
Instrument Data File Set (IDFS) is a set of files written in a prescribed format which contain data, timing data, and meta-data. IDFS was developed at Southwest Research Institute (SwRI).
enumeration
IDL
Interactive Data Language (IDL) save set. IDL is a proprietary format.
enumeration
JPEG
A binary format for still images defined by the Joint Photographic Experts Group
enumeration
MATLAB_4
MATLAB Workspace save set, version 4. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.
enumeration
MATLAB_6
MATLAB Workspace save set, version 6. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.
enumeration
MATLAB_7
MATLAB Workspace save set, version 7. MAT-files are double-precision, binary, MATLAB format files. Version 7 includes data compression and Unicode encoding. MATLAB is a proprietary product of The MathWorks.
enumeration
MPEG
A digital format for movies defined by the Motion Picture Experts Group
enumeration
NCAR
The National Center for Atmospheric Research (NCAR) format. A complete description of that standard is given in appendix C of the Report on Establishment & Operation of the Incoherent- Scatter Data Base, dated August 23, 1984, obtainable from NCAR, P.O. Box 3000 Boulder, Colorado 80307-3000.
enumeration
NetCDF
Unidata Program Centers Network Common Data Form (NetCDF). A self-describing portable data format for array-oriented data access. See <http://my.unidata.ucar.edu/content/software/netcdf>
enumeration
PDF
A document expressed in the Portable Document Format (PDF) as defined by Adobe.
enumeration
PNG
A digital format for still images. Portable Network Graphics (PNG)
enumeration
Postscript
A page description programming language created by Adobe Systems Inc. that is a device-independent industry standard for representing text and graphics.
enumeration
QuickTime
A format for digital movies, as defined by Apple Computer. See <http://developer.apple.com/quicktime/>
enumeration
TIFF
A binary format for still pictures. Tagged Image Format File (TIFF). Originally developed by Aldus and now controlled by Adobe.
enumeration
Text
A sequence of characters which may have an imposed structure or organization.
enumeration
Text.ASCII
A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.
enumeration
Text.Unicode
Text in multi-byte Unicode format.
enumeration
UDF
Universal Data Format (UDF). The Optical Technology Storage Associations Universal Disk Format, based on ISO 13346. See <http://www.osta.org/specs/index.htm>
enumeration
VOTable
A proposed IVOA standard designed as a flexible storage and exchange format for tabular data.
enumeration
XML
eXtensible Mark-up Language (XML). A structured format for representing information. See <http://www.w3.org/XML/>
<xsd:simpleType name="Format"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for data organized according to preset specifications.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="AVI"><xsd:annotation><xsd:documentation xml:lang="en">Audio Video Interleave (AVI) a digital format for movies that conforms to the Microsoft Windows Resource Interchange File Format (RIFF).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Binary"><xsd:annotation><xsd:documentation xml:lang="en">A direct representation of the bits which may be stored in memory on a computer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CDF"><xsd:annotation><xsd:documentation xml:lang="en">Common Data Format (CDF). A binary storage format developed at Goddard Space Flight Center (GSFC).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CEF"><xsd:annotation><xsd:documentation xml:lang="en">Cluster Exchange Format (CEF) is a self-documenting ASCII format designed for the exchange of data. There are two versions of CEF which are not totally compatible.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CEF1"><xsd:annotation><xsd:documentation xml:lang="en">Cluster Exchange Format (CEF), version 1, is a self-documenting ASCII format designed for the exchange of data. The metadata contains information compatible with the ISTP recommendations for CDF.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CEF2"><xsd:annotation><xsd:documentation xml:lang="en">Cluster Exchange Format (CEF), version 2, is a self-documenting ASCII format designed for the exchange of data and introduced for Cluster Active Archive. Compared to version 1, the metadata description of vectors and tensors is different.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FITS"><xsd:annotation><xsd:documentation xml:lang="en">Flexible Image Transport System (FITS) is a digital format primarily designed to store scientific data sets consisting of multi-dimensional arrays (1-D spectra, 2-D images or 3-D data cubes) and 2-dimensional tables containing rows and columns of data.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GIF"><xsd:annotation><xsd:documentation xml:lang="en">Graphic Interchange Format (GIF) first introduced in 1987 by CompuServe. GIF uses LZW compression and images are limited to 256 colours.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HDF"><xsd:annotation><xsd:documentation xml:lang="en">Hierarchical Data Format</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HDF4"><xsd:annotation><xsd:documentation xml:lang="en">Hierarchical Data Format, Version 4</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HDF5"><xsd:annotation><xsd:documentation xml:lang="en">Hierarchical Data Format, Version 5</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HTML"><xsd:annotation><xsd:documentation xml:lang="en">A text file containing structured information represented in the HyperText Mark-up Language (HTML). See <http://www.w3.org/MarkUp/></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IDFS"><xsd:annotation><xsd:documentation xml:lang="en">Instrument Data File Set (IDFS) is a set of files written in a prescribed format which contain data, timing data, and meta-data. IDFS was developed at Southwest Research Institute (SwRI).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IDL"><xsd:annotation><xsd:documentation xml:lang="en">Interactive Data Language (IDL) save set. IDL is a proprietary format.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="JPEG"><xsd:annotation><xsd:documentation xml:lang="en">A binary format for still images defined by the Joint Photographic Experts Group</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MATLAB_4"><xsd:annotation><xsd:documentation xml:lang="en">MATLAB Workspace save set, version 4. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MATLAB_6"><xsd:annotation><xsd:documentation xml:lang="en">MATLAB Workspace save set, version 6. MAT-files are double-precision, binary, MATLAB format files. MATLAB is a proprietary product of The MathWorks.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MATLAB_7"><xsd:annotation><xsd:documentation xml:lang="en">MATLAB Workspace save set, version 7. MAT-files are double-precision, binary, MATLAB format files. Version 7 includes data compression and Unicode encoding. MATLAB is a proprietary product of The MathWorks.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MPEG"><xsd:annotation><xsd:documentation xml:lang="en">A digital format for movies defined by the Motion Picture Experts Group</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NCAR"><xsd:annotation><xsd:documentation xml:lang="en">The National Center for Atmospheric Research (NCAR) format. A complete description of that standard is given in appendix C of the Report on Establishment & Operation of the Incoherent- Scatter Data Base, dated August 23, 1984, obtainable from NCAR, P.O. Box 3000 Boulder, Colorado 80307-3000.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NetCDF"><xsd:annotation><xsd:documentation xml:lang="en">Unidata Program Center's Network Common Data Form (NetCDF). A self-describing portable data format for array-oriented data access. See <http://my.unidata.ucar.edu/content/software/netcdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PDF"><xsd:annotation><xsd:documentation xml:lang="en">A document expressed in the Portable Document Format (PDF) as defined by Adobe.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PNG"><xsd:annotation><xsd:documentation xml:lang="en">A digital format for still images. Portable Network Graphics (PNG)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Postscript"><xsd:annotation><xsd:documentation xml:lang="en">A page description programming language created by Adobe Systems Inc. that is a device-independent industry standard for representing text and graphics.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="QuickTime"><xsd:annotation><xsd:documentation xml:lang="en">A format for digital movies, as defined by Apple Computer. See <http://developer.apple.com/quicktime/></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TIFF"><xsd:annotation><xsd:documentation xml:lang="en">A binary format for still pictures. Tagged Image Format File (TIFF). Originally developed by Aldus and now controlled by Adobe.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Text"><xsd:annotation><xsd:documentation xml:lang="en">A sequence of characters which may have an imposed structure or organization.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Text.ASCII"><xsd:annotation><xsd:documentation xml:lang="en">A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Text.Unicode"><xsd:annotation><xsd:documentation xml:lang="en">Text in multi-byte Unicode format.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="UDF"><xsd:annotation><xsd:documentation xml:lang="en">Universal Data Format (UDF). The Optical Technology Storage Association's Universal Disk Format, based on ISO 13346. See <http://www.osta.org/specs/index.htm></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="VOTable"><xsd:annotation><xsd:documentation xml:lang="en">A proposed IVOA standard designed as a flexible storage and exchange format for tabular data.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="XML"><xsd:annotation><xsd:documentation xml:lang="en">eXtensible Mark-up Language (XML). A structured format for representing information. See <http://www.w3.org/XML/></xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Encoding
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for unambiguous rules that establishes the representation of information within a file.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ASCII
A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.
enumeration
BZIP2
An open standard algorithm by Julian Seward using Burrows-Wheeler block sorting and Huffman coding. See <http://www.bzip.org/>
enumeration
Base64
A data encoding scheme whereby binary-encoded data is converted to printable ASCII characters. It is defined as a MIME content transfer encoding for use in Internet e-mail. The only characters used are the upper- and lower-case Roman alphabet characters (A-Z, a-z), the numerals (0-9), and the + and / symbols, with the = symbol as a special suffix (padding) code.
enumeration
GZIP
An open standard algorithm distributed by GHU based on LZ77 and Huffman coding. See <http://www.gnu.org/software/gzip/gzip.html> or <http://www.gzip.org/>
enumeration
None
A lack or absence of anything.
enumeration
TAR
A file format used to collate collections of files into one larger file, for distribution or archiving, while preserving file system information such as user and group permissions, dates, and directory structures. The format was standardized by POSIX.1-1988 and later POSIX.1-2001.
enumeration
Unicode
Text in multi-byte Unicode format.
enumeration
ZIP
An open standard for compression which is a variation of the LZW method and was originally used in the PKZIP utility.
<xsd:simpleType name="Encoding"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for unambiguous rules that establishes the representation of information within a file.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ASCII"><xsd:annotation><xsd:documentation xml:lang="en">A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="BZIP2"><xsd:annotation><xsd:documentation xml:lang="en">An open standard algorithm by Julian Seward using Burrows-Wheeler block sorting and Huffman coding. See <http://www.bzip.org/></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Base64"><xsd:annotation><xsd:documentation xml:lang="en">A data encoding scheme whereby binary-encoded data is converted to printable ASCII characters. It is defined as a MIME content transfer encoding for use in Internet e-mail. The only characters used are the upper- and lower-case Roman alphabet characters (A-Z, a-z), the numerals (0-9), and the + and / symbols, with the = symbol as a special suffix (padding) code.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GZIP"><xsd:annotation><xsd:documentation xml:lang="en">An open standard algorithm distributed by GHU based on LZ77 and Huffman coding. See <http://www.gnu.org/software/gzip/gzip.html> or <http://www.gzip.org/></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="None"><xsd:annotation><xsd:documentation xml:lang="en">A lack or absence of anything.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TAR"><xsd:annotation><xsd:documentation xml:lang="en">A file format used to collate collections of files into one larger file, for distribution or archiving, while preserving file system information such as user and group permissions, dates, and directory structures. The format was standardized by POSIX.1-1988 and later POSIX.1-2001.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Unicode"><xsd:annotation><xsd:documentation xml:lang="en">Text in multi-byte Unicode format.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ZIP"><xsd:annotation><xsd:documentation xml:lang="en">An open standard for compression which is a variation of the LZW method and was originally used in the PKZIP utility.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:DataExtent
Namespace
http://www.spase-group.org/data/schema
Annotations
The area of storage in a file system required to store the contents of a resource. The default units for data extent is bytes.
<xsd:complexType name="DataExtent"><xsd:annotation><xsd:documentation xml:lang="en">The area of storage in a file system required to store the contents of a resource. The default units for data extent is bytes.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Quantity" type="spase:Quantity" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="0" maxOccurs="1"/><xsd:element name="Per" type="spase:Per" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:Quantity
Namespace
http://www.spase-group.org/data/schema
Annotations
A value that describes a characteristic of a system.
<xsd:simpleType name="Quantity"><xsd:annotation><xsd:documentation xml:lang="en">A value that describes a characteristic of a system.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:Units
Namespace
http://www.spase-group.org/data/schema
Annotations
A description of the standardized measurement increments in which a value is specified. The description is represented as a mathematical phrase. Units should be represented by widely accepted representation. For example, units should conform to the International System of Units (SI) which is maintained by BIPM (Bureau International des Poids et Mesures (see <http://www.bipm.fr/> ) when appropriate or use tokens like Re to represent units of the Radius of the Earth. Within a phrase the circumflex (^) is used to indicate a power, a star (*) is used to indicate multiplication and a slash (/) division. When symbols are not separated by a mathematical operator, multiplication is assumed. Symbols for base units can be found at: <http://www.bipm.fr/en/si/si_brochure/chapter2/2-1/#symbols> and those for common derived units can be found at: <http://www.bipm.fr/en/si/derived_units/2-2-2.html>
<xsd:simpleType name="Units"><xsd:annotation><xsd:documentation xml:lang="en">A description of the standardized measurement increments in which a value is specified. The description is represented as a mathematical phrase. Units should be represented by widely accepted representation. For example, units should conform to the International System of Units (SI) which is maintained by BIPM (Bureau International des Poids et Mesures (see <http://www.bipm.fr/> ) when appropriate or use tokens like Re to represent units of the Radius of the Earth. Within a phrase the circumflex (^) is used to indicate a power, a star (*) is used to indicate multiplication and a slash (/) division. When symbols are not separated by a mathematical operator, multiplication is assumed. Symbols for base units can be found at: <http://www.bipm.fr/en/si/si_brochure/chapter2/2-1/#symbols> and those for common derived units can be found at: <http://www.bipm.fr/en/si/derived_units/2-2-2.html></xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Per
Namespace
http://www.spase-group.org/data/schema
Annotations
The time interval over which a characterization applies. For example, the number of bytes generated each day.
<xsd:simpleType name="Per"><xsd:annotation><xsd:documentation xml:lang="en">The time interval over which a characterization applies. For example, the number of bytes generated each day.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:duration"/></xsd:simpleType>
Simple Type spase:ProviderResourceName
Namespace
http://www.spase-group.org/data/schema
Annotations
A short textual description of a resource used by the provider which may be used to identify a resource.
<xsd:simpleType name="ProviderResourceName"><xsd:annotation><xsd:documentation xml:lang="en">A short textual description of a resource used by the provider which may be used to identify a resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:ProviderVersion
Namespace
http://www.spase-group.org/data/schema
Annotations
Describes the release or edition of the product used by the provider. The formation rule may vary between providers. It is intended to aid in queries to the provider regarding the product.
<xsd:simpleType name="ProviderVersion"><xsd:annotation><xsd:documentation xml:lang="en">Describes the release or edition of the product used by the provider. The formation rule may vary between providers. It is intended to aid in queries to the provider regarding the product.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
<xsd:simpleType name="InstrumentID"><xsd:annotation><xsd:documentation xml:lang="en">The identifier of an Instrument resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:PhenomenonType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characteristics or categorization of an observation. Note: Joe King to provide.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ActiveRegion
A localized, transient volume of the solar atmosphere in which PLAGEs, SUNSPOTS, FACULAe, FLAREs, etc. may be observed.
enumeration
Aurora
An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earths magnetic lines of force.
enumeration
BowShockCrossing
A crossing of the boundary between the undisturbed (except for foreshock effects) solar wind and the shocked, decelerated solar wind of the magnetosheath.
enumeration
CoronalHole
An extended region of the corona, exceptionally low in density and associated with unipolar photospheric regions. A coronal hole can be an open magnetic field in the corona and (perhaps) inner heliosphere which has a faster than average outflow (wind); A region of lower than quiet ion and electron density in the corona; or a region of lower peak electron temperature in the corona than in the quiet corona.
enumeration
CoronalMassEjection
A solar event (CME) that involves a burst of plasma ejected into the interplanetary medium. CMEs may be observed remotely relatively near the sun or in situ in the interplanetary medium. The latter type of observations are often referred to as Interplanetary CMEs (ICMEs).
enumeration
EITWave
A wave in the corona of the Sun which produce shock waves on the Suns chromosphere (Moreton Waves). EIT Waves are produced by large solar flare and expand outward at about 1,000 km/s. It usually appears as a slowly moving diffuse arc of brightening in H-alpha, and may travel for several hundred thousand km.
enumeration
EnergeticSolarParticleEvent
An enhancement of interplanetary fluxes of energetic ions accelerated by interplanetary shocks and/or solar flares.
enumeration
ForbushDecrease
A rapid decrease in the observed galactic cosmic ray intensity following the passage of an outwardly convecting interplanetary magnetic field disturbance, such as those associated with large CMEs, that sweep some galactic cosmic rays away from Earth.
enumeration
GeomagneticStorm
A magnetospheric disturbance typically defined by variations in the horizontal component of the Earths surface magnetic field. The variation typically starts with a field enhancement associated with a solar wind pressure pulse and continues with a field depression associated with an enhancement of the diamagnetic magnetospheric ring current.
enumeration
InterplanetaryShock
A shock propagating generally anti-sunward through the slower solar wind, often seen in front of CME-associated plasma clouds.
enumeration
MagneticCloud
A transient event observed in the solar wind characterized as a region of enhanced magnetic field strength, smooth rotation of the magnetic field vector and low proton density and temperature.
enumeration
MagnetopauseCrossing
A crossing of the interface between the shocked solar wind in the magnetosheath and the magnetic field and plasma in the magnetosphere.
enumeration
RadioBurst
Emissions of the sun in radio wavelengths from centimeters to dekameters, under both quiet and disturbed conditions. Radio Bursts can be Type I consisting of many short, narrow-band bursts in the metric range (300 - 50 MHz).; Type II consisting of narrow-band emission that begins in the meter range (300 MHz) and sweeps slowly (tens of minutes) toward dekameter wavelengths (10 MHz).; Type III consisting of narrow-band bursts that sweep rapidly (seconds) from decimeter to dekameter wavelengths (500 - 0.5 MHz); and Type IV consisting of a smooth continuum of broad-band bursts primarily in the meter range (300 - 30 MHz).
enumeration
SolarFlare
An explosive event in the Suns atmosphere which produces electromagnetic radiation across the electromagnetic spectrum at multiple wavelengths from long-wave radio to the shortest wavelength gamma rays.
enumeration
SolarWindExtreme
Intervals of unusually large or small values of solar wind attributes such as flow speed and ion density.
enumeration
StreamInteractionRegion
The region (SIR) where two solar wind streams, typically having differing characteristics and solar sources, abut up against (and possibly partially interpenetrate) each other.
enumeration
Substorm
A process by which plasma in the magnetotail becomes energized at a fast rate.
<xsd:simpleType name="PhenomenonType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characteristics or categorization of an observation. Note: Joe King to provide.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ActiveRegion"><xsd:annotation><xsd:documentation xml:lang="en">A localized, transient volume of the solar atmosphere in which PLAGEs, SUNSPOTS, FACULAe, FLAREs, etc. may be observed.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Aurora"><xsd:annotation><xsd:documentation xml:lang="en">An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="BowShockCrossing"><xsd:annotation><xsd:documentation xml:lang="en">A crossing of the boundary between the undisturbed (except for foreshock effects) solar wind and the shocked, decelerated solar wind of the magnetosheath.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CoronalHole"><xsd:annotation><xsd:documentation xml:lang="en">An extended region of the corona, exceptionally low in density and associated with unipolar photospheric regions. A coronal hole can be an open magnetic field in the corona and (perhaps) inner heliosphere which has a faster than average outflow (wind); A region of lower than quiet ion and electron density in the corona; or a region of lower peak electron temperature in the corona than in the quiet corona.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CoronalMassEjection"><xsd:annotation><xsd:documentation xml:lang="en">A solar event (CME) that involves a burst of plasma ejected into the interplanetary medium. CME's may be observed remotely relatively near the sun or in situ in the interplanetary medium. The latter type of observations are often referred to as Interplanetary CME's (ICME's).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EITWave"><xsd:annotation><xsd:documentation xml:lang="en">A wave in the corona of the Sun which produce shock waves on the Sun's chromosphere (Moreton Waves). EIT Waves are produced by large solar flare and expand outward at about 1,000 km/s. It usually appears as a slowly moving diffuse arc of brightening in H-alpha, and may travel for several hundred thousand km.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergeticSolarParticleEvent"><xsd:annotation><xsd:documentation xml:lang="en">An enhancement of interplanetary fluxes of energetic ions accelerated by interplanetary shocks and/or solar flares.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ForbushDecrease"><xsd:annotation><xsd:documentation xml:lang="en">A rapid decrease in the observed galactic cosmic ray intensity following the passage of an outwardly convecting interplanetary magnetic field disturbance, such as those associated with large CME's, that sweep some galactic cosmic rays away from Earth.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GeomagneticStorm"><xsd:annotation><xsd:documentation xml:lang="en">A magnetospheric disturbance typically defined by variations in the horizontal component of the Earth's surface magnetic field. The variation typically starts with a field enhancement associated with a solar wind pressure pulse and continues with a field depression associated with an enhancement of the diamagnetic magnetospheric ring current.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="InterplanetaryShock"><xsd:annotation><xsd:documentation xml:lang="en">A shock propagating generally anti-sunward through the slower solar wind, often seen in front of CME-associated plasma clouds.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MagneticCloud"><xsd:annotation><xsd:documentation xml:lang="en">A transient event observed in the solar wind characterized as a region of enhanced magnetic field strength, smooth rotation of the magnetic field vector and low proton density and temperature.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MagnetopauseCrossing"><xsd:annotation><xsd:documentation xml:lang="en">A crossing of the interface between the shocked solar wind in the magnetosheath and the magnetic field and plasma in the magnetosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RadioBurst"><xsd:annotation><xsd:documentation xml:lang="en">Emissions of the sun in radio wavelengths from centimeters to dekameters, under both quiet and disturbed conditions. Radio Bursts can be Type I consisting of many short, narrow-band bursts in the metric range (300 - 50 MHz).; Type II consisting of narrow-band emission that begins in the meter range (300 MHz) and sweeps slowly (tens of minutes) toward dekameter wavelengths (10 MHz).; Type III consisting of narrow-band bursts that sweep rapidly (seconds) from decimeter to dekameter wavelengths (500 - 0.5 MHz); and Type IV consisting of a smooth continuum of broad-band bursts primarily in the meter range (300 - 30 MHz).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SolarFlare"><xsd:annotation><xsd:documentation xml:lang="en">An explosive event in the Sun's atmosphere which produces electromagnetic radiation across the electromagnetic spectrum at multiple wavelengths from long-wave radio to the shortest wavelength gamma rays.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SolarWindExtreme"><xsd:annotation><xsd:documentation xml:lang="en">Intervals of unusually large or small values of solar wind attributes such as flow speed and ion density.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="StreamInteractionRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region (SIR) where two solar wind streams, typically having differing characteristics and solar sources, abut up against (and possibly partially interpenetrate) each other.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Substorm"><xsd:annotation><xsd:documentation xml:lang="en">A process by which plasma in the magnetotail becomes energized at a fast rate.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
<xsd:simpleType name="StartDate"><xsd:annotation><xsd:documentation xml:lang="en">The specification of a starting point in time.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:dateTime"/></xsd:simpleType>
<xsd:simpleType name="StopDate"><xsd:annotation><xsd:documentation xml:lang="en">The specification of a stopping point in time.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:dateTime"/></xsd:simpleType>
Simple Type spase:RelativeStopDate
Namespace
http://www.spase-group.org/data/schema
Annotations
An indication of the nominal end date relative to the present.
<xsd:simpleType name="RelativeStopDate"><xsd:annotation><xsd:documentation xml:lang="en">An indication of the nominal end date relative to the present.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:duration"/></xsd:simpleType>
Simple Type spase:Caveats
Namespace
http://www.spase-group.org/data/schema
Annotations
Information which may be important in the avoidance of the misuse of the resource, for instance instrument maladies, corruption or contamination.
<xsd:simpleType name="Caveats"><xsd:annotation><xsd:documentation xml:lang="en">Information which may be important in the avoidance of the misuse of the resource, for instance instrument maladies, corruption or contamination.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Keyword
Namespace
http://www.spase-group.org/data/schema
Annotations
A word or phrase that is relevant to the resource but does not exist in other documentary information.
<xsd:simpleType name="Keyword"><xsd:annotation><xsd:documentation xml:lang="en">A word or phrase that is relevant to the resource but does not exist in other documentary information.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:InputResourceID
Namespace
http://www.spase-group.org/data/schema
Annotations
The resource identifier for a resource which was used to generate this resource.
<xsd:simpleType name="InputResourceID"><xsd:annotation><xsd:documentation xml:lang="en">The resource identifier for a resource which was used to generate this resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Parameter
Namespace
http://www.spase-group.org/data/schema
Annotations
A container of information regarding a parameter whose values are part of the product. Every product contains or can be related to one or more parameters.
<xsd:simpleType name="Set"><xsd:annotation><xsd:documentation xml:lang="en">A collection of items for a particular purpose.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:ParameterKey
Namespace
http://www.spase-group.org/data/schema
Annotations
The name or identifier which can be used to access the parameter in the resource. The associated value is dependent on the service used to access the resource.
<xsd:simpleType name="ParameterKey"><xsd:annotation><xsd:documentation xml:lang="en">The name or identifier which can be used to access the parameter in the resource. The associated value is dependent on the service used to access the resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Cadence
Namespace
http://www.spase-group.org/data/schema
Annotations
The time interval between the start of successive measurements.
<xsd:simpleType name="Cadence"><xsd:annotation><xsd:documentation xml:lang="en">The time interval between the start of successive measurements.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:duration"/></xsd:simpleType>
Simple Type spase:UnitsConversion
Namespace
http://www.spase-group.org/data/schema
Annotations
The multiplicative factor for converting a unit into International System of Units (SI) units. The factor is expressed in the form number > x, where number is a numerical value and x is the appropriate SI units. The basic SI units are Enumerated: m (meter), N (newton), kg (kilogram), Pa (pascal), s (second), Hz (hertz), A (ampere), V (volt), K (kelvin), W (watt), rad (radian), J (joule), sr (steradian), C (coulomb), T (tesla), ohm (ohm), mho (mho or seimens), H (henry), and F (farad). Two useful units which are not SI units are: degree (angle), and unitless (no units). An example is: 1.0E-5>T which converts the units, presumable nT, to tesla. Another example is: 1.0e+3>m/s which converts a velocity expressed in kilometers per second to meters per second.
<xsd:simpleType name="UnitsConversion"><xsd:annotation><xsd:documentation xml:lang="en">The multiplicative factor for converting a unit into International System of Units (SI) units. The factor is expressed in the form number > x, where number is a numerical value and x is the appropriate SI units. The basic SI units are Enumerated: m (meter), N (newton), kg (kilogram), Pa (pascal), s (second), Hz (hertz), A (ampere), V (volt), K (kelvin), W (watt), rad (radian), J (joule), sr (steradian), C (coulomb), T (tesla), ohm (ohm), mho (mho or seimens), H (henry), and F (farad). Two useful units which are not SI units are: degree (angle), and unitless (no units). An example is: 1.0E-5>T which converts the units, presumable nT, to tesla. Another example is: 1.0e+3>m/s which converts a velocity expressed in kilometers per second to meters per second.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:CoordinateSystem
Namespace
http://www.spase-group.org/data/schema
Annotations
Specification of the origin and orientation of a set of typically orthogonal axes.
<xsd:complexType name="CoordinateSystem"><xsd:annotation><xsd:documentation xml:lang="en">Specification of the origin and orientation of a set of typically orthogonal axes.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="CoordinateRepresentation" type="spase:CoordinateRepresentation" minOccurs="0" maxOccurs="1"/><xsd:element name="CoordinateSystemName" type="spase:CoordinateSystemName" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:CoordinateRepresentation
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers of the method or form for specifying a given point or vector in a given coordinate system.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Cartesian
A representation in which a position vector or a measured vector (e.g., field or flow) is specified by its components along the base axes of the coordinate system.
enumeration
Cylindrical
A coordinate representation of a position vector or measured vector (field or flow) by its k-component, the magnitude of its projection into the i-j plane, and the azimuthal angle of the i-j plane projection.
enumeration
Spherical
A coordinate representation of a position vector or of a measured vector by its magnitude and two direction angles. The angles are relative to the base axes of the coordinate system used. Typically the angles are phi [azimuth angle, =arctan (j/i)] and theta, where theta may be a polar angle, arctan {[SQRT(i^2+j^2)]/k}, or an elevation angle, arctan [k/SQRT (i^2+j^2)].
<xsd:simpleType name="CoordinateRepresentation"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers of the method or form for specifying a given point or vector in a given coordinate system.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Cartesian"><xsd:annotation><xsd:documentation xml:lang="en">A representation in which a position vector or a measured vector (e.g., field or flow) is specified by its components along the base axes of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Cylindrical"><xsd:annotation><xsd:documentation xml:lang="en">A coordinate representation of a position vector or measured vector (field or flow) by its k-component, the magnitude of its projection into the i-j plane, and the azimuthal angle of the i-j plane projection.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Spherical"><xsd:annotation><xsd:documentation xml:lang="en">A coordinate representation of a position vector or of a measured vector by its magnitude and two direction angles. The angles are relative to the base axes of the coordinate system used. Typically the angles are phi [azimuth angle, =arctan (j/i)] and theta, where theta may be a polar angle, arctan {[SQRT(i^2+j^2)]/k}, or an elevation angle, arctan [k/SQRT (i^2+j^2)].</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:CoordinateSystemName
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers of the origin and orientation of a set of typically orthogonal axes.
Diagram
Type
restriction of xsd:string
Facets
enumeration
CGM
Corrected Geomagnetic - A coordinate system from a spatial point with GEO radial distance and geomagnetic latitude and longitude, follow the epoch-appropriate IGRF/DGRF model field vector through to the point where the field line crosses the geomagnetic dipole equatorial plane. Then trace the dipole magnetic field vector Earthward from that point on the equatorial plane, in the same hemisphere as the original point, until the initial radial distance is reached. Designate the dipole latitude and longitude at that point as the CGM latitude and longitude of the original point. See <http://nssdc.gsfc.nasa.gov/space/cgm/cgmm_des.html>
enumeration
Carrington
A coordinate system which is centered at the Sun and is fixed with respect to the synodic rotation rate; the mean synodic value is about 27.2753 days. The Astronomical Almanac gives a value for Carrington longitude of 349.03 degrees at 0000 UT on 1 January 1995.
enumeration
DM
Dipole Meridian - A coordinate system centered at the observation point. Z axis is parallel to the Earths dipole axis, positive northward. X is in the plane defined by Z and the line linking the observation point with the Earths center. Y is positive eastward. See <http://cdpp.cnes.fr/00428.pdf>
enumeration
GEI
Geocentric Equatorial Inertial - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis points towards the first point of Aries (from the Earth towards the Sun at the vernal equinox). See Russell, 1971
enumeration
GEO
Geographic - geocentric corotating - A coordinate system where the Z axis is along Earths spin vector, positive northward. X axis lies in Greenwich meridian, positive towards Greenwich. See Russell, 1971.
enumeration
GSE
Geocentric Solar Ecliptic - A coordinate system where the X axis is from Earth to Sun. Z axis is normal to the ecliptic, positive northward. See Russell, 1971.
enumeration
GSEQ
Geocentric Solar Equatorial - A coordinate system where the X axis is from Earth to Sun. Y axis is parallel to solar equatorial plane. Z axis is positive northward. See Russell, 1971
enumeration
GSM
Geocentric Solar Magnetospheric - A coordinate system where the X axis is from Earth to Sun, Z axis is northward in a plane containing the X axis and the geomagnetic dipole axis. See Russell, 1971
enumeration
HAE
Heliocentric Aries Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as SE below. See Hapgood, 1992.
enumeration
HCI
Heliographic Carrington Inertial.
enumeration
HEE
Heliocentric Earth Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis points from Sun to Earth. See Hapgood, 1992
enumeration
HEEQ
Heliocentric Earth Equatorial - A coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is generally Earthward in the plane defined by the Z axis and the Sun-Earth direction. See Hapgood, 1992.
enumeration
HG
Heliographic - A heliocentric rotating coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X, Y axes rotate with a 25.38 day period. The zero longitude (X axis) is defined as the longitude that passed through the ascending node of the solar equator on the ecliptic plane on 1 January, 1854 at 12 UT. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
enumeration
HGI
Heliographic Inertial - A heliocentric coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is along the intersection line between solar equatorial and ecliptic planes. The X axis was positive at SE longitude of 74.367 deg on Jan 1, 1900. (See SE below.) See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
enumeration
J2000
An astronomical coordinate system which uses the mean equator and equinox of Julian date 2451545.0 TT (Terrestrial Time), or January 1, 2000, noon TT. (aka J2000) to define a celestial reference frame.
enumeration
LGM
Local Geomagnetic - A coordinate system used mainly for Earth surface or near Earth surface magnetic field data. X axis northward from observation point in a geographic meridian. Z axis downward towards Earths center. In this system, H (total horizontal component) = SQRT (Bx^2 + By^2) and D (declination angle) = arctan (By/Bx)
enumeration
MAG
Geomagnetic - geocentric. Z axis is parallel to the geomagnetic dipole axis, positive north. X is in the plane defined by the Z axis and the Earths rotation axis. If N is a unit vector from the Earths center to the north geographic pole, the signs of the X and Y axes are given by Y = N x Z, X = Y x Z.. See Russell, 1971, and <http://cdpp.cnes.fr/00428.pdf>
enumeration
MFA
Magnetic Field Aligned - A coordinate system spacecraft-centered system with Z in the direction of the ambient magnetic field vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
enumeration
RTN
Radial Tangential Normal. Typically centered at a spacecraft. Used for IMF and plasma V vectors. R (radial) axis is radially away from the Sun, T (tangential) axis is normal to the plane formed by R and the Suns spin vector, positive in the direction of planetary motion. N (normal) is R x T.
enumeration
SC
Spacecraft - A coordinate system defined by the spacecraft geometry and/or spin. Often has Z axis parallel to spacecraft spin vector. X and Y axes may or may not corotate with the spacecraft. See SR and SR2 below.
enumeration
SE
Solar Ecliptic - A heliocentric coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as HAE above. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html>
enumeration
SM
Solar Magnetic - A geocentric coordinate system where the Z axis is northward along Earths dipole axis, X axis is in plane of z axis and Earth-Sun line, positive sunward. See Russell, 1971.
enumeration
SR
Spin Reference - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X and Y rotate with the spacecraft. See <http://cdpp.cnes.fr/00428.pdf>
enumeration
SR2
Spin Reference 2 - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf>
enumeration
SSE
Spacecraft Solar Ecliptic - A coordinate system used for deep space spacecraft, for example Helios. - X axis from spacecraft to Sun. Z axis normal to ecliptic plane, positive northward. Note: Angle between normals to ecliptic and to Helios orbit plane ~ 0.25 deg.
enumeration
SpacecraftOrbitPlane
A coordinate system where X lies in the plane normal to and in the direction of motion of the spacecraft, Z is normal to this plane and Y completes the triad in a right-handed coordinate system.
enumeration
WGS84
The World Geodetic System (WGS) defines a reference frame for the earth, for use in geodesy and navigation. The WGS84 uses the zero meridian as defined by the Bureau International de lHeure.
<xsd:simpleType name="CoordinateSystemName"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers of the origin and orientation of a set of typically orthogonal axes.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="CGM"><xsd:annotation><xsd:documentation xml:lang="en">Corrected Geomagnetic - A coordinate system from a spatial point with GEO radial distance and geomagnetic latitude and longitude, follow the epoch-appropriate IGRF/DGRF model field vector through to the point where the field line crosses the geomagnetic dipole equatorial plane. Then trace the dipole magnetic field vector Earthward from that point on the equatorial plane, in the same hemisphere as the original point, until the initial radial distance is reached. Designate the dipole latitude and longitude at that point as the CGM latitude and longitude of the original point. See <http://nssdc.gsfc.nasa.gov/space/cgm/cgmm_des.html></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Carrington"><xsd:annotation><xsd:documentation xml:lang="en">A coordinate system which is centered at the Sun and is fixed with respect to the synodic rotation rate; the mean synodic value is about 27.2753 days. The Astronomical Almanac gives a value for Carrington longitude of 349.03 degrees at 0000 UT on 1 January 1995.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DM"><xsd:annotation><xsd:documentation xml:lang="en">Dipole Meridian - A coordinate system centered at the observation point. Z axis is parallel to the Earth's dipole axis, positive northward. X is in the plane defined by Z and the line linking the observation point with the Earth's center. Y is positive eastward. See <http://cdpp.cnes.fr/00428.pdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GEI"><xsd:annotation><xsd:documentation xml:lang="en">Geocentric Equatorial Inertial - A coordinate system where the Z axis is along Earth's spin vector, positive northward. X axis points towards the first point of Aries (from the Earth towards the Sun at the vernal equinox). See Russell, 1971</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GEO"><xsd:annotation><xsd:documentation xml:lang="en">Geographic - geocentric corotating - A coordinate system where the Z axis is along Earth's spin vector, positive northward. X axis lies in Greenwich meridian, positive towards Greenwich. See Russell, 1971.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GSE"><xsd:annotation><xsd:documentation xml:lang="en">Geocentric Solar Ecliptic - A coordinate system where the X axis is from Earth to Sun. Z axis is normal to the ecliptic, positive northward. See Russell, 1971.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GSEQ"><xsd:annotation><xsd:documentation xml:lang="en">Geocentric Solar Equatorial - A coordinate system where the X axis is from Earth to Sun. Y axis is parallel to solar equatorial plane. Z axis is positive northward. See Russell, 1971</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GSM"><xsd:annotation><xsd:documentation xml:lang="en">Geocentric Solar Magnetospheric - A coordinate system where the X axis is from Earth to Sun, Z axis is northward in a plane containing the X axis and the geomagnetic dipole axis. See Russell, 1971</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HAE"><xsd:annotation><xsd:documentation xml:lang="en">Heliocentric Aries Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as SE below. See Hapgood, 1992.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HCI"><xsd:annotation><xsd:documentation xml:lang="en">Heliographic Carrington Inertial.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HEE"><xsd:annotation><xsd:documentation xml:lang="en">Heliocentric Earth Ecliptic - A coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis points from Sun to Earth. See Hapgood, 1992</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HEEQ"><xsd:annotation><xsd:documentation xml:lang="en">Heliocentric Earth Equatorial - A coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is generally Earthward in the plane defined by the Z axis and the Sun-Earth direction. See Hapgood, 1992.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HG"><xsd:annotation><xsd:documentation xml:lang="en">Heliographic - A heliocentric rotating coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X, Y axes rotate with a 25.38 day period. The zero longitude (X axis) is defined as the longitude that passed through the ascending node of the solar equator on the ecliptic plane on 1 January, 1854 at 12 UT. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HGI"><xsd:annotation><xsd:documentation xml:lang="en">Heliographic Inertial - A heliocentric coordinate system where the Z axis is normal to the solar equatorial plane, positive northward. X axis is along the intersection line between solar equatorial and ecliptic planes. The X axis was positive at SE longitude of 74.367 deg on Jan 1, 1900. (See SE below.) See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="J2000"><xsd:annotation><xsd:documentation xml:lang="en">An astronomical coordinate system which uses the mean equator and equinox of Julian date 2451545.0 TT (Terrestrial Time), or January 1, 2000, noon TT. (aka J2000) to define a celestial reference frame.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LGM"><xsd:annotation><xsd:documentation xml:lang="en">Local Geomagnetic - A coordinate system used mainly for Earth surface or near Earth surface magnetic field data. X axis northward from observation point in a geographic meridian. Z axis downward towards Earth's center. In this system, H (total horizontal component) = SQRT (Bx^2 + By^2) and D (declination angle) = arctan (By/Bx)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MAG"><xsd:annotation><xsd:documentation xml:lang="en">Geomagnetic - geocentric. Z axis is parallel to the geomagnetic dipole axis, positive north. X is in the plane defined by the Z axis and the Earth's rotation axis. If N is a unit vector from the Earth's center to the north geographic pole, the signs of the X and Y axes are given by Y = N x Z, X = Y x Z.. See Russell, 1971, and <http://cdpp.cnes.fr/00428.pdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MFA"><xsd:annotation><xsd:documentation xml:lang="en">Magnetic Field Aligned - A coordinate system spacecraft-centered system with Z in the direction of the ambient magnetic field vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RTN"><xsd:annotation><xsd:documentation xml:lang="en">Radial Tangential Normal. Typically centered at a spacecraft. Used for IMF and plasma V vectors. R (radial) axis is radially away from the Sun, T (tangential) axis is normal to the plane formed by R and the Sun's spin vector, positive in the direction of planetary motion. N (normal) is R x T.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SC"><xsd:annotation><xsd:documentation xml:lang="en">Spacecraft - A coordinate system defined by the spacecraft geometry and/or spin. Often has Z axis parallel to spacecraft spin vector. X and Y axes may or may not corotate with the spacecraft. See SR and SR2 below.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SE"><xsd:annotation><xsd:documentation xml:lang="en">Solar Ecliptic - A heliocentric coordinate system where the Z axis is normal to the ecliptic plane, positive northward. X axis is positive towards the first point of Aries (from Earth to Sun at vernal equinox). Same as HAE above. See <http://nssdc.gsfc.nasa.gov/space/helios/coor_des.html></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SM"><xsd:annotation><xsd:documentation xml:lang="en">Solar Magnetic - A geocentric coordinate system where the Z axis is northward along Earth's dipole axis, X axis is in plane of z axis and Earth-Sun line, positive sunward. See Russell, 1971.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SR"><xsd:annotation><xsd:documentation xml:lang="en">Spin Reference - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X and Y rotate with the spacecraft. See <http://cdpp.cnes.fr/00428.pdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SR2"><xsd:annotation><xsd:documentation xml:lang="en">Spin Reference 2 - A special case of a Spacecraft (SC) coordinate system for a spinning spacecraft. Z is parallel to the spacecraft spin vector. X is in the plane defined by Z and the spacecraft-Sun line, positive sunward. See <http://cdpp.cnes.fr/00428.pdf></xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SSE"><xsd:annotation><xsd:documentation xml:lang="en">Spacecraft Solar Ecliptic - A coordinate system used for deep space spacecraft, for example Helios. - X axis from spacecraft to Sun. Z axis normal to ecliptic plane, positive northward. Note: Angle between normals to ecliptic and to Helios orbit plane ~ 0.25 deg.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SpacecraftOrbitPlane"><xsd:annotation><xsd:documentation xml:lang="en">A coordinate system where X lies in the plane normal to and in the direction of motion of the spacecraft, Z is normal to this plane and Y completes the triad in a right-handed coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="WGS84"><xsd:annotation><xsd:documentation xml:lang="en">The World Geodetic System (WGS) defines a reference frame for the earth, for use in geodesy and navigation. The WGS84 uses the zero meridian as defined by the Bureau International de l'Heure.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
<xsd:complexType name="RenderingHints"><xsd:annotation><xsd:documentation xml:lang="en">Attributes to aid in the rendering of parameter.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="DisplayType" type="spase:DisplayType" minOccurs="0" maxOccurs="1"/><xsd:element name="AxisLabel" type="spase:AxisLabel" minOccurs="0" maxOccurs="1"/><xsd:element name="ValueFormat" type="spase:ValueFormat" minOccurs="0" maxOccurs="1"/><xsd:element name="ScaleMin" type="spase:ScaleMin" minOccurs="0" maxOccurs="1"/><xsd:element name="ScaleMax" type="spase:ScaleMax" minOccurs="0" maxOccurs="1"/><xsd:element name="ScaleType" type="spase:ScaleType" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:DisplayType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for types or classes of rendered data.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Image
A two-dimensional representation of data with values at each element of the array related to an intensity or a color.
enumeration
Plasmagram
The characterization of signal strengths in active sounding measurements as a function of virtual range or signal delay time and sounding frequency. A Plasmagram is also referred to as an Ionogram.
enumeration
Spectrogram
The characterization of signal strengths as a function of frequency (or energy) and time.
enumeration
StackPlot
A representation of data showing multiple sets of observations on a single plot, possibly offsetting each plot by some uniform amount.
enumeration
TimeSeries
A representation of data showing a set of observations taken at different points in time and charted as a time series.
enumeration
WaveForm
Spatial or temporal variations of wave amplitude over wave-period timescales.
<xsd:simpleType name="DisplayType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for types or classes of rendered data.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Image"><xsd:annotation><xsd:documentation xml:lang="en">A two-dimensional representation of data with values at each element of the array related to an intensity or a color.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Plasmagram"><xsd:annotation><xsd:documentation xml:lang="en">The characterization of signal strengths in active sounding measurements as a function of virtual range or signal delay time and sounding frequency. A Plasmagram is also referred to as an Ionogram.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Spectrogram"><xsd:annotation><xsd:documentation xml:lang="en">The characterization of signal strengths as a function of frequency (or energy) and time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="StackPlot"><xsd:annotation><xsd:documentation xml:lang="en">A representation of data showing multiple sets of observations on a single plot, possibly offsetting each plot by some uniform amount.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TimeSeries"><xsd:annotation><xsd:documentation xml:lang="en">A representation of data showing a set of observations taken at different points in time and charted as a time series.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="WaveForm"><xsd:annotation><xsd:documentation xml:lang="en">Spatial or temporal variations of wave amplitude over wave-period timescales.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:AxisLabel
Namespace
http://www.spase-group.org/data/schema
Annotations
A short character string (approximately 10 characters, but preferably 6 characters - more only if absolutely required for clarity) which can be used to label a y-axis for a plot or to provide a heading for a data listing.
<xsd:simpleType name="AxisLabel"><xsd:annotation><xsd:documentation xml:lang="en">A short character string (approximately 10 characters, but preferably 6 characters - more only if absolutely required for clarity) which can be used to label a y-axis for a plot or to provide a heading for a data listing.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:ValueFormat
Namespace
http://www.spase-group.org/data/schema
Annotations
A string defining the output format used when extracting data values out to a file or screen. The magnitude and the number of significant figures needed should be carefully considered. The output format string can be in either Fortran or C syntax.
<xsd:simpleType name="ValueFormat"><xsd:annotation><xsd:documentation xml:lang="en">A string defining the output format used when extracting data values out to a file or screen. The magnitude and the number of significant figures needed should be carefully considered. The output format string can be in either Fortran or C syntax.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:ScaleMin
Namespace
http://www.spase-group.org/data/schema
Annotations
The minimum value that the variable is expected to attain. Used, for example, by automated plotting software.
<xsd:simpleType name="ScaleMin"><xsd:annotation><xsd:documentation xml:lang="en">The minimum value that the variable is expected to attain. Used, for example, by automated plotting software.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:ScaleMax
Namespace
http://www.spase-group.org/data/schema
Annotations
The maximum value that the variable is expected to attain. Used, for example, by automated plotting software.
<xsd:simpleType name="ScaleMax"><xsd:annotation><xsd:documentation xml:lang="en">The maximum value that the variable is expected to attain. Used, for example, by automated plotting software.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:ScaleType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for scaling applied to a set of numbers.
Diagram
Type
restriction of xsd:string
Facets
enumeration
LinearScale
Intervals which are equally spaced.
enumeration
LogScale
Intervals which are spaced proportionally to the logarithms of the values being represented.
<xsd:simpleType name="ScaleType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for scaling applied to a set of numbers.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="LinearScale"><xsd:annotation><xsd:documentation xml:lang="en">Intervals which are equally spaced.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LogScale"><xsd:annotation><xsd:documentation xml:lang="en">Intervals which are spaced proportionally to the logarithms of the values being represented.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:Structure
Namespace
http://www.spase-group.org/data/schema
Annotations
The organization and relationship of individual values within a quantity.
<xsd:complexType name="Structure"><xsd:annotation><xsd:documentation xml:lang="en">The organization and relationship of individual values within a quantity.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Size" type="spase:Size" minOccurs="0" maxOccurs="1"/><xsd:element name="Description" type="spase:Description" minOccurs="0" maxOccurs="1"/><xsd:element name="Element" type="spase:Element" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:Size
Namespace
http://www.spase-group.org/data/schema
Annotations
The number of elements in each dimension of a multi-dimensional array. A scalar has a size of 1. A multi-dimensional vector will have a size for each dimension. Note that the number of elements in the size of an N-dimensional array conveys the arrays dimensionality while the product of those numbers conveys the total number of elements in the array. When size is used to describe a tensor it is the number of elements in the tensor. As such it has a limited set of values. A tensor of rank 1 has a size of 3, rank 2 a size of 9, rank 3 a size of 27 and rank n a size of 3^n.
<xsd:simpleType name="Size"><xsd:annotation><xsd:documentation xml:lang="en">The number of elements in each dimension of a multi-dimensional array. A scalar has a size of 1. A multi-dimensional vector will have a size for each dimension. Note that the number of elements in the size of an N-dimensional array conveys the array's dimensionality while the product of those numbers conveys the total number of elements in the array. When size is used to describe a tensor it is the number of elements in the tensor. As such it has a limited set of values. A tensor of rank 1 has a size of 3, rank 2 a size of 9, rank 3 a size of 27 and rank n a size of 3^n.</xsd:documentation></xsd:annotation><xsd:restriction base="spase:typeSequence"/></xsd:simpleType>
Simple Type spase:typeSequence
Namespace
http://www.spase-group.org/data/schema
Annotations
<xsd:annotation><xsd:documentation xml:lang="en">A list of whole number values where the order of the values is fixed. A space separates each value. For example, "1 2 3".</xsd:documentation></xsd:annotation>
<xsd:simpleType name="typeSequence"><xsd:annotation><xsd:documentation xml:lang="en"><xsd:annotation><xsd:documentation xml:lang="en">A list of whole number values where the order of the values is fixed. A space separates each value. For example, "1 2 3".</xsd:documentation></xsd:annotation></xsd:documentation></xsd:annotation><xsd:list itemType="xsd:integer"/></xsd:simpleType>
Complex Type spase:Element
Namespace
http://www.spase-group.org/data/schema
Annotations
A component or individual unit of a multiple value quantity such as an array or vector.
<xsd:complexType name="Element"><xsd:annotation><xsd:documentation xml:lang="en">A component or individual unit of a multiple value quantity such as an array or vector.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Name" type="spase:Name" minOccurs="1" maxOccurs="1"/><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="Index" type="spase:Index" minOccurs="1" maxOccurs="1"/><xsd:element name="ParameterKey" type="spase:ParameterKey" minOccurs="0" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="0" maxOccurs="1"/><xsd:element name="UnitsConversion" type="spase:UnitsConversion" minOccurs="0" maxOccurs="1"/><xsd:element name="ValidMin" type="spase:ValidMin" minOccurs="0" maxOccurs="1"/><xsd:element name="ValidMax" type="spase:ValidMax" minOccurs="0" maxOccurs="1"/><xsd:element name="FillValue" type="spase:FillValue" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:Qualifier
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for terms which refine the type or attribute of a quantity.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Anisotropy
Direction-dependent property.
enumeration
Array
A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.
enumeration
Average
The statistical mean; the sum of a set of values divided by the number of values in the set.
enumeration
Characteristic
A quantity which can be easily identified and measured in a given environment.
enumeration
Circular
Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.
enumeration
Column
A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.
enumeration
Component
Projection of a vector along one of the base axes of a coordinate system.
enumeration
Component.I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
enumeration
Component.J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
enumeration
Component.K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
enumeration
CrossSpectrum
The Fourier transform of the cross correlation of two physical or empirical observations.
enumeration
Deviation
The difference between an observed value and the expected value of a quantity.
enumeration
Differential
A flux measurement within a narrow range of energy and/or solid angle.
enumeration
Direction
The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.
enumeration
DirectionAngle
The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.
enumeration
DirectionAngle.AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
enumeration
DirectionAngle.ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
DirectionAngle.PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
enumeration
FieldAligned
The component of a quantity which is oriented in the same direction of a field.
enumeration
Fit
Values that make an model agree with the data.
enumeration
Group
An assemblage of values that a certain relation or common characteristic.
enumeration
Integral
A flux measurement in a broad range of energy and solid angle.
enumeration
Integral.Area
Integration over the extent of a planar region, or of the surface of a solid.
enumeration
Integral.Bandwidth
Integration over the width a frequency band.
enumeration
Integral.SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
enumeration
LineOfSight
The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.
enumeration
Linear
Polarization where the E-field vector is confined to a given plane
enumeration
Magnitude
A measure of the strength of a vector quantity or length of its representational vector.
enumeration
Moment
Parameters determined by integration over a distribution function convolved with a power of velocity.
enumeration
Parallel
Having the same direction as a given direction
enumeration
Peak
The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.
enumeration
Perpendicular
At right angles to a given direction.
enumeration
Perturbation
Variations in the state of a system.
enumeration
Phase
A point or portion in a recurring series of changes.
enumeration
PhaseAngle
Phase difference between two or more waves, normally expressed in degrees.
enumeration
Projection
A measure of the length of a position or measured vector as projected into a plane of the coordinate system.
enumeration
Projection.IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
Projection.IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
Projection.JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
enumeration
Pseudo
Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.
enumeration
Ratio
The relative magnitudes of two quantities.
enumeration
Scalar
A quantity that is completely specified by its magnitude and has no direction.
enumeration
Spectral
Characterized as a range or continuum of frequencies
enumeration
StandardDeviation
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Symmetric
Equal distribution about one or more axes.
enumeration
Tensor
A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.
enumeration
Total
The summation of quantities over all possible species.
enumeration
Trace
The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.
enumeration
Uncertainty
A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.
enumeration
Variance
A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.
enumeration
Vector
A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).
<xsd:simpleType name="Qualifier"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for terms which refine the type or attribute of a quantity.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Anisotropy"><xsd:annotation><xsd:documentation xml:lang="en">Direction-dependent property.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Array"><xsd:annotation><xsd:documentation xml:lang="en">A sequence of values corresponding to the elements in a rectilinear, n-dimension matrix. Each value can be referenced by a unique index.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Average"><xsd:annotation><xsd:documentation xml:lang="en">The statistical mean; the sum of a set of values divided by the number of values in the set.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Characteristic"><xsd:annotation><xsd:documentation xml:lang="en">A quantity which can be easily identified and measured in a given environment.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Circular"><xsd:annotation><xsd:documentation xml:lang="en">Relative to polarization, right-hand circularly polarized light is defined such that the electric field is rotating clockwise as seen by an observer towards whom the wave is moving. Left-hand circularly polarized light is defined such that the electric field is rotating counterclockwise as seen by an observer towards whom the wave is moving. The polarization of magnetohydrodynamic waves is specified with respect to the ambient mean magnetic field : right-hand polarized waves have a transverse electric field component which turns in a right-handed sense (that of the gyrating electrons) around the magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Column"><xsd:annotation><xsd:documentation xml:lang="en">A two-dimensional measure of a quantity. The column is the area over which the quantity is measured.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Component"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along one of the base axes of a coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Component.I"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Component.J"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Component.K"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CrossSpectrum"><xsd:annotation><xsd:documentation xml:lang="en">The Fourier transform of the cross correlation of two physical or empirical observations.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Deviation"><xsd:annotation><xsd:documentation xml:lang="en">The difference between an observed value and the expected value of a quantity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Differential"><xsd:annotation><xsd:documentation xml:lang="en">A flux measurement within a narrow range of energy and/or solid angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Direction"><xsd:annotation><xsd:documentation xml:lang="en">The spatial relation between an object and another object, the orientation of the object or the course along which the object points or moves.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DirectionAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between a position vector or measured vector (or one of its projections onto a plane) and one of the base axes of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DirectionAngle.AzimuthAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DirectionAngle.ElevationAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DirectionAngle.PolarAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FieldAligned"><xsd:annotation><xsd:documentation xml:lang="en">The component of a quantity which is oriented in the same direction of a field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Fit"><xsd:annotation><xsd:documentation xml:lang="en">Values that make an model agree with the data.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Group"><xsd:annotation><xsd:documentation xml:lang="en">An assemblage of values that a certain relation or common characteristic.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Integral"><xsd:annotation><xsd:documentation xml:lang="en">A flux measurement in a broad range of energy and solid angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Integral.Area"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the extent of a planar region, or of the surface of a solid.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Integral.Bandwidth"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the width a frequency band.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Integral.SolidAngle"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the angle in three-dimensional space that an object subtends at a point.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LineOfSight"><xsd:annotation><xsd:documentation xml:lang="en">The line of sight is the line that connects the observer with the observed object. This expression is often used with measurements of Doppler velocity and magnetic field in magnetograms, where only the component of the vector field directed along the line of sight is measured.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Linear"><xsd:annotation><xsd:documentation xml:lang="en">Polarization where the E-field vector is confined to a given plane</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnitude"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the strength of a vector quantity or length of its representational vector.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Moment"><xsd:annotation><xsd:documentation xml:lang="en">Parameters determined by integration over a distribution function convolved with a power of velocity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Parallel"><xsd:annotation><xsd:documentation xml:lang="en">Having the same direction as a given direction</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Peak"><xsd:annotation><xsd:documentation xml:lang="en">The maximum value for the quantity in question, over a period of time which is usually equal to the cadence.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Perpendicular"><xsd:annotation><xsd:documentation xml:lang="en">At right angles to a given direction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Perturbation"><xsd:annotation><xsd:documentation xml:lang="en">Variations in the state of a system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Phase"><xsd:annotation><xsd:documentation xml:lang="en">A point or portion in a recurring series of changes.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PhaseAngle"><xsd:annotation><xsd:documentation xml:lang="en">Phase difference between two or more waves, normally expressed in degrees.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Projection"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector as projected into a plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Projection.IJ"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Projection.IK"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Projection.JK"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Pseudo"><xsd:annotation><xsd:documentation xml:lang="en">Similar to or having the appearance of something else. Can be used to indicate an estimation or approximation of a particular quantity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ratio"><xsd:annotation><xsd:documentation xml:lang="en">The relative magnitudes of two quantities.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Scalar"><xsd:annotation><xsd:documentation xml:lang="en">A quantity that is completely specified by its magnitude and has no direction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Spectral"><xsd:annotation><xsd:documentation xml:lang="en">Characterized as a range or continuum of frequencies</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="StandardDeviation"><xsd:annotation><xsd:documentation xml:lang="en">The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="StokesParameters"><xsd:annotation><xsd:documentation xml:lang="en">A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Symmetric"><xsd:annotation><xsd:documentation xml:lang="en">Equal distribution about one or more axes.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Tensor"><xsd:annotation><xsd:documentation xml:lang="en">A generalized linear quantity or geometrical entity that can be expressed as a multi-dimensional array relative to a choice of basis of the particular space on which it is defined.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Total"><xsd:annotation><xsd:documentation xml:lang="en">The summation of quantities over all possible species.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Trace"><xsd:annotation><xsd:documentation xml:lang="en">The sum of the elements on the main diagonal (the diagonal from the upper left to the lower right) of a square matrix.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Uncertainty"><xsd:annotation><xsd:documentation xml:lang="en">A statistically defined discrepancy between a measured quantity and the true value of that quantity that cannot be corrected by calculation or calibration.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Variance"><xsd:annotation><xsd:documentation xml:lang="en">A measure of dispersion of a set of data points around their mean value. The expectation value of the squared deviations from the mean.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Vector"><xsd:annotation><xsd:documentation xml:lang="en">A set of parameter values each along some independent variable (e.g., components of a field in three orthogonal spatial directions; atmospheric temperature values at several altitudes, or at a given latitude and longitude;).</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Index
Namespace
http://www.spase-group.org/data/schema
Annotations
The location of an item in an array or vector. An index can be multivalued to represent the location in a multidimensional object. The index of the first item is 1. A value of 0 is a wild card for all elements at the location in an array. A value of -1 is a reference to the dimension at the location in the array. A -1 is used when describing the attributes of the dimension, where as 0 or a positive integer is used to describe attributes of individual elements.
<xsd:simpleType name="Index"><xsd:annotation><xsd:documentation xml:lang="en">The location of an item in an array or vector. An index can be multivalued to represent the location in a multidimensional object. The index of the first item is 1. A value of 0 is a wild card for all elements at the location in an array. A value of -1 is a reference to the dimension at the location in the array. A -1 is used when describing the attributes of the dimension, where as 0 or a positive integer is used to describe attributes of individual elements.</xsd:documentation></xsd:annotation><xsd:restriction base="spase:typeSequence"/></xsd:simpleType>
<xsd:simpleType name="FillValue"><xsd:annotation><xsd:documentation xml:lang="en">A value that indicates that a quantity is undefined.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Field
Namespace
http://www.spase-group.org/data/schema
Annotations
The space around a radiating body within which its electromagnetic attributes can exert force on another similar body that is not in direct contact.
<xsd:complexType name="Field"><xsd:annotation><xsd:documentation xml:lang="en">The space around a radiating body within which its electromagnetic attributes can exert force on another similar body that is not in direct contact.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="FieldQuantity" type="spase:FieldQuantity" minOccurs="1" maxOccurs="1"/><xsd:element name="FrequencyRange" type="spase:FrequencyRange" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:FieldQuantity
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the physical attribute of the field.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Current
The flow of electrons through a conductor caused by a potential difference.
enumeration
Electric
The physical attribute that exerts an electrical force.
enumeration
Electromagnetic
Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the waves propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
Magnetic
The physical attribute attributed to a magnet or its equivalent.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Potential
A field which obeys Laplaces Equation.
enumeration
PoyntingFlux
Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.
<xsd:simpleType name="FieldQuantity"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the physical attribute of the field.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Current"><xsd:annotation><xsd:documentation xml:lang="en">The flow of electrons through a conductor caused by a potential difference.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Electric"><xsd:annotation><xsd:documentation xml:lang="en">The physical attribute that exerts an electrical force.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Electromagnetic"><xsd:annotation><xsd:documentation xml:lang="en">Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the wave's propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Gyrofrequency"><xsd:annotation><xsd:documentation xml:lang="en">The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetic"><xsd:annotation><xsd:documentation xml:lang="en">The physical attribute attributed to a magnet or its equivalent.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PlasmaFrequency"><xsd:annotation><xsd:documentation xml:lang="en">A number-density-dependent characteristic frequency of a plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Potential"><xsd:annotation><xsd:documentation xml:lang="en">A field which obeys Laplace's Equation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PoyntingFlux"><xsd:annotation><xsd:documentation xml:lang="en">Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:FrequencyRange
Namespace
http://www.spase-group.org/data/schema
Annotations
The range of possible values for the observed frequency.
<xsd:complexType name="FrequencyRange"><xsd:annotation><xsd:documentation xml:lang="en">The range of possible values for the observed frequency.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="SpectralRange" type="spase:SpectralRange" minOccurs="0" maxOccurs="1"/><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="1" maxOccurs="1"/><xsd:element name="Bin" type="spase:Bin" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:SpectralRange
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for names associated with wavelengths. Based on the ISO 21348 Solar Irradiance Standard. Additions have been made to extend the frequency ranges to include those used in space physics. Those additions are indicated in blue text. The "Total Solar Irradiance" category has not been included since it is a type of measurement and not a specific spectral range. See Appendix A - Comparison of Spectrum Domains for a comparison of the spectral ranges with other systems.
Diagram
Type
restriction of xsd:string
Facets
enumeration
CaK
A spectrum with a wavelength of range centered near 393.5 nm. VSO nickname: Ca-K image with range of 391.9 nm to 395.2 nm.
enumeration
ExtremeUltraviolet
A spectrum with a wavelength range of 10.0 nm to 125.0nm. VSO nickname: EUV image with a range of of 10.0 nm to 125.0 nm
enumeration
FarUltraviolet
A spectrum with a wavelength range of 122 nm to 200.0nm. VSO nickname: FUV image with a range of 122.0 nm to 200 nm
enumeration
GammaRays
Photons with a wavelength range: 0.00001 to 0.001 nm
enumeration
Halpha
A spectrum with a wavelength range centered at 656.3 nm. VSO nickname: H-alpha image with a spectrum range of of 655.8 nm to 656.8 nm.
enumeration
HardXrays
Photons with a wavelength range: 0.001 to 0.1 nm and an energy range of 12 keV to 120 keV
enumeration
He10830
A spectrum with a wavelength range centered at 1082.9 nm. VSO nickname: He 10830 image with a range of 1082.5 nm to 1083.3 nm.
enumeration
He304
A spectrum centered around the resonance line of ionised helium at 304 Angstrom (30.4 nm).
enumeration
Infrared
Photons with a wavelength range: 760 to 1.00x10^6 nm
enumeration
K7699
A spectrum with a wavelength range centred at 769.9 nm. VSO nickname: K-7699 dopplergram with a range of 769.8 nm to 770.0 nm.
enumeration
LBHBand
Lyman-Birge-Hopfield band in the far ultraviolet range with wavelength range of 140nm to 170 nm.
enumeration
Microwave
Photons with a wavelength range: 1.00x10^6 to 1.50x10^7 nm
enumeration
NaD
A spectrum with a wavelength range of centered at 589.3 nm. VSO nickname: Na-D image with a range of 588.8 nm to 589.8 nm.
enumeration
Ni6768
A spectrum with a wavelength range centered at 676.8 nm. VSO nickname: Ni-6768 dopplergram with a range of of 676.7 nm to 676.9 nm.
enumeration
Optical
Photons with a wavelength range: 380 to 760 nm
enumeration
RadioFrequency
Photons with a wavelength range: 100,000 to 1.00x10^11 nm
enumeration
SoftXRays
X-Rays with an energy range of 0.12 keV to 12 keV.
enumeration
Ultraviolet
Photons with a wavelength range: 10 to 400 nm.
enumeration
WhiteLight
Photons with a wavelength in the visible range for humans.
enumeration
XRays
Photons with a wavelength range: 0.001 <= x < 10 nm
<xsd:simpleType name="SpectralRange"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for names associated with wavelengths. Based on the ISO 21348 Solar Irradiance Standard. Additions have been made to extend the frequency ranges to include those used in space physics. Those additions are indicated in blue text. The "Total Solar Irradiance" category has not been included since it is a type of measurement and not a specific spectral range. See Appendix A - Comparison of Spectrum Domains for a comparison of the spectral ranges with other systems.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="CaK"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength of range centered near 393.5 nm. VSO nickname: Ca-K image with range of 391.9 nm to 395.2 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ExtremeUltraviolet"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range of 10.0 nm to 125.0nm. VSO nickname: EUV image with a range of of 10.0 nm to 125.0 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FarUltraviolet"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range of 122 nm to 200.0nm. VSO nickname: FUV image with a range of 122.0 nm to 200 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GammaRays"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 0.00001 to 0.001 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Halpha"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range centered at 656.3 nm. VSO nickname: H-alpha image with a spectrum range of of 655.8 nm to 656.8 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HardXrays"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 0.001 to 0.1 nm and an energy range of 12 keV to 120 keV</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="He10830"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range centered at 1082.9 nm. VSO nickname: He 10830 image with a range of 1082.5 nm to 1083.3 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="He304"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum centered around the resonance line of ionised helium at 304 Angstrom (30.4 nm).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Infrared"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 760 to 1.00x10^6 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="K7699"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range centred at 769.9 nm. VSO nickname: K-7699 dopplergram with a range of 769.8 nm to 770.0 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LBHBand"><xsd:annotation><xsd:documentation xml:lang="en">Lyman-Birge-Hopfield band in the far ultraviolet range with wavelength range of 140nm to 170 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Microwave"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 1.00x10^6 to 1.50x10^7 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NaD"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range of centered at 589.3 nm. VSO nickname: Na-D image with a range of 588.8 nm to 589.8 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ni6768"><xsd:annotation><xsd:documentation xml:lang="en">A spectrum with a wavelength range centered at 676.8 nm. VSO nickname: Ni-6768 dopplergram with a range of of 676.7 nm to 676.9 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Optical"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 380 to 760 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RadioFrequency"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 100,000 to 1.00x10^11 nm</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SoftXRays"><xsd:annotation><xsd:documentation xml:lang="en">X-Rays with an energy range of 0.12 keV to 12 keV.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ultraviolet"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 10 to 400 nm.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="WhiteLight"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength in the visible range for humans.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="XRays"><xsd:annotation><xsd:documentation xml:lang="en">Photons with a wavelength range: 0.001 <= x < 10 nm</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Low
Namespace
http://www.spase-group.org/data/schema
Annotations
The smallest value within a range of possible values.
<xsd:simpleType name="Low"><xsd:annotation><xsd:documentation xml:lang="en">The smallest value within a range of possible values.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:High
Namespace
http://www.spase-group.org/data/schema
Annotations
The largest value within a range of possible values.
<xsd:simpleType name="High"><xsd:annotation><xsd:documentation xml:lang="en">The largest value within a range of possible values.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Complex Type spase:Bin
Namespace
http://www.spase-group.org/data/schema
Annotations
A grouping of observations according to a band or window of a common attribute.
<xsd:complexType name="Bin"><xsd:annotation><xsd:documentation xml:lang="en">A grouping of observations according to a band or window of a common attribute.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="BandName" type="spase:BandName" minOccurs="0" maxOccurs="1"/><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:BandName
Namespace
http://www.spase-group.org/data/schema
Annotations
A common or provider assigned name for a range of values.
<xsd:simpleType name="BandName"><xsd:annotation><xsd:documentation xml:lang="en">A common or provider assigned name for a range of values.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Particle
Namespace
http://www.spase-group.org/data/schema
Annotations
A description of the types of particles observed in the measurement. This includes both direct observations and inferred observations.
<xsd:complexType name="Particle"><xsd:annotation><xsd:documentation xml:lang="en">A description of the types of particles observed in the measurement. This includes both direct observations and inferred observations.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ParticleType" type="spase:ParticleType" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="ParticleQuantity" type="spase:ParticleQuantity" minOccurs="1" maxOccurs="1"/><xsd:element name="AtomicNumber" type="spase:AtomicNumber" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="EnergyRange" type="spase:EnergyRange" minOccurs="0" maxOccurs="1"/><xsd:element name="AzimuthalAngleRange" type="spase:AzimuthalAngleRange" minOccurs="0" maxOccurs="1"/><xsd:element name="PolarAngleRange" type="spase:PolarAngleRange" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:ParticleType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characterization of the kind of particle observed by the measurement.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Aerosol
A suspension of fine solid or liquid particles in a gas.
enumeration
AlphaParticle
A positively charged nuclear particle that consists of two protons and two neutrons.
enumeration
Atom
Matter consisting of a nucleus surrounded by electrons which has no net charge.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
Electron
An elementary particle consisting of a charge of negative electricity equal to about 1.602 x 10^(-19) Coulomb and having a mass when at rest of about 9.109534 x 10^(-28) gram.
enumeration
Ion
An atom that has acquired a net electric charge by gaining or losing one or more electrons.(Note: Z>2)
enumeration
Molecule
A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state
enumeration
Neutron
An elementary particle that has no net charge and is a constituent of atomic nuclei, and that has a mass slightly large than a proton (1.673 x 10^(-24) gram.)
enumeration
Proton
An elementary particle that is a constituent of all atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 x 10^(-24) gram.
<xsd:simpleType name="ParticleType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characterization of the kind of particle observed by the measurement.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Aerosol"><xsd:annotation><xsd:documentation xml:lang="en">A suspension of fine solid or liquid particles in a gas.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AlphaParticle"><xsd:annotation><xsd:documentation xml:lang="en">A positively charged nuclear particle that consists of two protons and two neutrons.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Atom"><xsd:annotation><xsd:documentation xml:lang="en">Matter consisting of a nucleus surrounded by electrons which has no net charge.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Dust"><xsd:annotation><xsd:documentation xml:lang="en">Free microscopic particles of solid material.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Electron"><xsd:annotation><xsd:documentation xml:lang="en">An elementary particle consisting of a charge of negative electricity equal to about 1.602 x 10^(-19) Coulomb and having a mass when at rest of about 9.109534 x 10^(-28) gram.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ion"><xsd:annotation><xsd:documentation xml:lang="en">An atom that has acquired a net electric charge by gaining or losing one or more electrons.(Note: Z>2)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Molecule"><xsd:annotation><xsd:documentation xml:lang="en">A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Neutron"><xsd:annotation><xsd:documentation xml:lang="en">An elementary particle that has no net charge and is a constituent of atomic nuclei, and that has a mass slightly large than a proton (1.673 x 10^(-24) gram.)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Proton"><xsd:annotation><xsd:documentation xml:lang="en">An elementary particle that is a constituent of all atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 x 10^(-24) gram.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:ParticleQuantity
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characterization of the physical properties of the particle.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ArrivalDirection
An angular measure of the direction from which an energetic particle or photon was incident on a detector. The angles may be measured in any coordinate system.
enumeration
AtomicNumberDetected
The number of protons in the nucleus of an atom as determined by a detector.
enumeration
AverageChargeState
A measure of the composite deficit (positive) or excess (negative) of electrons with respect to protons.
enumeration
ChargeState
Charge of a fully or partially stripped ion, in units of the charge of a proton. Charge state of a bare proton = 1.
enumeration
CountRate
The number of events per unit time.
enumeration
Counts
An enumeration of the number of detection events occurring in a particle detector per unit time or over detector accumulation times.
enumeration
Energy
The capacity for doing work as measured by the capability of doing work (potential energy) or the conversion of this capability to motion (kinetic energy)
enumeration
EnergyDensity
The amount of energy per unit volume.
enumeration
EnergyFlux
The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
FlowSpeed
The rate at which particles or energy is passing through a unit area in a unit time.
enumeration
FlowVelocity
The volume of matter passing through a unit area perpendicular to the direction of flow in a unit of time.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
HeatFlux
Flow of thermal energy through a gas or plasma; typically computed as third moment of a distribution function.
enumeration
Mass
The measure of inertia (mass) of individual objects (e.g., aerosols).
enumeration
MassDensity
The mass of particles per unit volume.
enumeration
MassNumber
The total number of protons and neutrons (together known as nucleons) in an atomic nucleus.
enumeration
NumberDensity
The number of particles per unit volume.
enumeration
NumberFlux
The number of particles passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
PhaseSpaceDensity
The number of particles per unit volume in the six-dimensional space of position and velocity.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Pressure
The force per unit area exerted by a particle distribution or field.
enumeration
SonicMachNumber
The ratio of the bulk flow speed to the speed of sound in the medium.
enumeration
SoundSpeed
The speed at which sound travels through a medium.
enumeration
Temperature
A measure of the kinetic energy of random motion with respect to the average. Temperature is properly defined only for an equilibrium particle distribution (Maxwellian distribution).
enumeration
ThermalSpeed
For a Maxwellian distribution, the difference between the mean speed and the speed within which ~69% (one sigma) of all the members of the speed distribution occur.
enumeration
Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
<xsd:simpleType name="ParticleQuantity"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characterization of the physical properties of the particle.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ArrivalDirection"><xsd:annotation><xsd:documentation xml:lang="en">An angular measure of the direction from which an energetic particle or photon was incident on a detector. The angles may be measured in any coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AtomicNumberDetected"><xsd:annotation><xsd:documentation xml:lang="en">The number of protons in the nucleus of an atom as determined by a detector.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AverageChargeState"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the composite deficit (positive) or excess (negative) of electrons with respect to protons.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ChargeState"><xsd:annotation><xsd:documentation xml:lang="en">Charge of a fully or partially stripped ion, in units of the charge of a proton. Charge state of a bare proton = 1.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="CountRate"><xsd:annotation><xsd:documentation xml:lang="en">The number of events per unit time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Counts"><xsd:annotation><xsd:documentation xml:lang="en">An enumeration of the number of detection events occurring in a particle detector per unit time or over detector accumulation times.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Energy"><xsd:annotation><xsd:documentation xml:lang="en">The capacity for doing work as measured by the capability of doing work (potential energy) or the conversion of this capability to motion (kinetic energy)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergyDensity"><xsd:annotation><xsd:documentation xml:lang="en">The amount of energy per unit volume.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergyFlux"><xsd:annotation><xsd:documentation xml:lang="en">The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FlowSpeed"><xsd:annotation><xsd:documentation xml:lang="en">The rate at which particles or energy is passing through a unit area in a unit time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FlowVelocity"><xsd:annotation><xsd:documentation xml:lang="en">The volume of matter passing through a unit area perpendicular to the direction of flow in a unit of time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Gyrofrequency"><xsd:annotation><xsd:documentation xml:lang="en">The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="HeatFlux"><xsd:annotation><xsd:documentation xml:lang="en">Flow of thermal energy through a gas or plasma; typically computed as third moment of a distribution function.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Mass"><xsd:annotation><xsd:documentation xml:lang="en">The measure of inertia (mass) of individual objects (e.g., aerosols).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MassDensity"><xsd:annotation><xsd:documentation xml:lang="en">The mass of particles per unit volume.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MassNumber"><xsd:annotation><xsd:documentation xml:lang="en">The total number of protons and neutrons (together known as nucleons) in an atomic nucleus.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NumberDensity"><xsd:annotation><xsd:documentation xml:lang="en">The number of particles per unit volume.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NumberFlux"><xsd:annotation><xsd:documentation xml:lang="en">The number of particles passing through a unit area in a unit time or per unit energy and/or per unit solid angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PhaseSpaceDensity"><xsd:annotation><xsd:documentation xml:lang="en">The number of particles per unit volume in the six-dimensional space of position and velocity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PlasmaFrequency"><xsd:annotation><xsd:documentation xml:lang="en">A number-density-dependent characteristic frequency of a plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Pressure"><xsd:annotation><xsd:documentation xml:lang="en">The force per unit area exerted by a particle distribution or field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SonicMachNumber"><xsd:annotation><xsd:documentation xml:lang="en">The ratio of the bulk flow speed to the speed of sound in the medium.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SoundSpeed"><xsd:annotation><xsd:documentation xml:lang="en">The speed at which sound travels through a medium.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Temperature"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the kinetic energy of random motion with respect to the average. Temperature is properly defined only for an equilibrium particle distribution (Maxwellian distribution).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ThermalSpeed"><xsd:annotation><xsd:documentation xml:lang="en">For a Maxwellian distribution, the difference between the mean speed and the speed within which ~69% (one sigma) of all the members of the speed distribution occur.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Velocity"><xsd:annotation><xsd:documentation xml:lang="en">Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
<xsd:simpleType name="AtomicNumber"><xsd:annotation><xsd:documentation xml:lang="en">The number of protons in the nucleus of an atom.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Complex Type spase:EnergyRange
Namespace
http://www.spase-group.org/data/schema
Annotations
The minimum and maximum energy values of the particles represented by a given physical parameter description.
<xsd:complexType name="EnergyRange"><xsd:annotation><xsd:documentation xml:lang="en">The minimum and maximum energy values of the particles represented by a given physical parameter description.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="1" maxOccurs="1"/><xsd:element name="Bin" type="spase:Bin" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Complex Type spase:AzimuthalAngleRange
Namespace
http://www.spase-group.org/data/schema
Annotations
The range of possible azimuthal angles for a group of energy observations. Default units are degrees.
<xsd:complexType name="AzimuthalAngleRange"><xsd:annotation><xsd:documentation xml:lang="en">The range of possible azimuthal angles for a group of energy observations. Default units are degrees.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="1" maxOccurs="1"/><xsd:element name="Bin" type="spase:Bin" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Complex Type spase:PolarAngleRange
Namespace
http://www.spase-group.org/data/schema
Annotations
The range of possible polar angles for a group of energy observations. Defaults units are degrees.
<xsd:complexType name="PolarAngleRange"><xsd:annotation><xsd:documentation xml:lang="en">The range of possible polar angles for a group of energy observations. Defaults units are degrees.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="1" maxOccurs="1"/><xsd:element name="Bin" type="spase:Bin" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Complex Type spase:Wave
Namespace
http://www.spase-group.org/data/schema
Annotations
Periodic or quasi-periodic (AC) variations of physical quantities in time and space, capable of propagating or being trapped within particular regimes.
<xsd:complexType name="Wave"><xsd:annotation><xsd:documentation xml:lang="en">Periodic or quasi-periodic (AC) variations of physical quantities in time and space, capable of propagating or being trapped within particular regimes.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="WaveType" type="spase:WaveType" minOccurs="1" maxOccurs="1"/><xsd:element name="WaveQuantity" type="spase:WaveQuantity" minOccurs="1" maxOccurs="1"/><xsd:element name="EnergyRange" type="spase:EnergyRange" minOccurs="0" maxOccurs="1"/><xsd:element name="WavelengthRange" type="spase:WavelengthRange" minOccurs="0" maxOccurs="1"/><xsd:element name="FrequencyRange" type="spase:FrequencyRange" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:WaveType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the carrier or phenomenum of wave information observed by the measurement.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Electromagnetic
Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the waves propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.
enumeration
Electrostatic
Collective longitudinal electric-field and plasma oscillations trapped within a body of plasma.
enumeration
Hydrodynamic
Periodic or quasi-periodic oscillations of fluid quantities.
enumeration
MHD
Hydrodynamic waves in a magnetized plasma in which the background magnetic field plays a key role in controlling the wave propagation characteristics.
enumeration
Photon
Electromagnetic waves detected by techniques that utilize their corpuscular character (e.g., CCD, CMOS, photomultipliers).
enumeration
PlasmaWaves
Self-consistent collective oscillations of particles and fields (electric and magnetic) in a plasma.
<xsd:simpleType name="WaveType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the carrier or phenomenum of wave information observed by the measurement.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Electromagnetic"><xsd:annotation><xsd:documentation xml:lang="en">Electric and magnetic field variations in time and space that propagate through a medium or a vacuum with the wave's propagation, electric field, and magnetic field vectors forming an orthogonal triad. Waves in this category are detected by having their field quantities measured.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Electrostatic"><xsd:annotation><xsd:documentation xml:lang="en">Collective longitudinal electric-field and plasma oscillations trapped within a body of plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Hydrodynamic"><xsd:annotation><xsd:documentation xml:lang="en">Periodic or quasi-periodic oscillations of fluid quantities.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MHD"><xsd:annotation><xsd:documentation xml:lang="en">Hydrodynamic waves in a magnetized plasma in which the background magnetic field plays a key role in controlling the wave propagation characteristics.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Photon"><xsd:annotation><xsd:documentation xml:lang="en">Electromagnetic waves detected by techniques that utilize their corpuscular character (e.g., CCD, CMOS, photomultipliers).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PlasmaWaves"><xsd:annotation><xsd:documentation xml:lang="en">Self-consistent collective oscillations of particles and fields (electric and magnetic) in a plasma.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:WaveQuantity
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characterization of the physical properties of a wave.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ACElectricField
Alternating electric field component of a wave.
enumeration
ACMagneticField
Alternating magnetic field component of a wave.
enumeration
Absorption
Decrease of radiant energy (relative to the background continuum spectrum).
enumeration
DopplerFrequency
Change in the frequency of a propagating wave due to motion of the source, the observer, the reflector, or the propagation medium.
enumeration
Emissivity
The energy emitted spontaneously per unit bandwidth (typically frequency) per unit time per unit mass of source. Emissivity is usually integrated over all directions/solid angles.
enumeration
EnergyFlux
The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.
enumeration
EquivalentWidth
The spectral width of a total absorption line having the amount of absorbed radiant energy being equivalent to that in an observed absorption line.
enumeration
Frequency
The number of occurrences of a repeating event per unit time.
enumeration
Gyrofrequency
The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.
enumeration
Intensity
The measurement of radiant or wave energy per unit detector area per unit bandwidth per unit solid angle per unit time.
enumeration
LineDepth
The measure of the amount of absorption below the continuum (depth) in a particular wavelength or frequency in an absorption spectrum.
enumeration
MagneticField
A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).
enumeration
ModeAmplitude
In helioseismology the magnitude of oscillation of waves of a particular geometry.
enumeration
PlasmaFrequency
A number-density-dependent characteristic frequency of a plasma.
enumeration
Polarization
Direction of the electric vector of an electromagnetic wave. The wave can be linearly polarized in any direction perpendicular to the direction of travel, circularly polarized (clockwise or counterclockwise), unpolarized, or mixtures of the above.
enumeration
PoyntingFlux
Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.
enumeration
PropagationTime
Time difference between transmission and reception of a wave in an active wave experiment.
enumeration
StokesParameters
A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.
enumeration
Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
<xsd:simpleType name="WaveQuantity"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characterization of the physical properties of a wave.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ACElectricField"><xsd:annotation><xsd:documentation xml:lang="en">Alternating electric field component of a wave.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ACMagneticField"><xsd:annotation><xsd:documentation xml:lang="en">Alternating magnetic field component of a wave.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Absorption"><xsd:annotation><xsd:documentation xml:lang="en">Decrease of radiant energy (relative to the background continuum spectrum).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DopplerFrequency"><xsd:annotation><xsd:documentation xml:lang="en">Change in the frequency of a propagating wave due to motion of the source, the observer, the reflector, or the propagation medium.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Emissivity"><xsd:annotation><xsd:documentation xml:lang="en">The energy emitted spontaneously per unit bandwidth (typically frequency) per unit time per unit mass of source. Emissivity is usually integrated over all directions/solid angles.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergyFlux"><xsd:annotation><xsd:documentation xml:lang="en">The amount of energy passing through a unit area in a unit time or per unit energy and/or per unit solid angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EquivalentWidth"><xsd:annotation><xsd:documentation xml:lang="en">The spectral width of a total absorption line having the amount of absorbed radiant energy being equivalent to that in an observed absorption line.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Frequency"><xsd:annotation><xsd:documentation xml:lang="en">The number of occurrences of a repeating event per unit time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Gyrofrequency"><xsd:annotation><xsd:documentation xml:lang="en">The number of gyrations around a magnetic guiding center (field line) a charged particle makes per unit time due to the Lorentz force.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Intensity"><xsd:annotation><xsd:documentation xml:lang="en">The measurement of radiant or wave energy per unit detector area per unit bandwidth per unit solid angle per unit time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LineDepth"><xsd:annotation><xsd:documentation xml:lang="en">The measure of the amount of absorption below the continuum (depth) in a particular wavelength or frequency in an absorption spectrum.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MagneticField"><xsd:annotation><xsd:documentation xml:lang="en">A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ModeAmplitude"><xsd:annotation><xsd:documentation xml:lang="en">In helioseismology the magnitude of oscillation of waves of a particular geometry.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PlasmaFrequency"><xsd:annotation><xsd:documentation xml:lang="en">A number-density-dependent characteristic frequency of a plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Polarization"><xsd:annotation><xsd:documentation xml:lang="en">Direction of the electric vector of an electromagnetic wave. The wave can be linearly polarized in any direction perpendicular to the direction of travel, circularly polarized (clockwise or counterclockwise), unpolarized, or mixtures of the above.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PoyntingFlux"><xsd:annotation><xsd:documentation xml:lang="en">Electromagnetic energy flux transported by a wave characterized as the rate of energy transport per unit area per steradian.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PropagationTime"><xsd:annotation><xsd:documentation xml:lang="en">Time difference between transmission and reception of a wave in an active wave experiment.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="StokesParameters"><xsd:annotation><xsd:documentation xml:lang="en">A set of four parameters (usually called I,Q, U and V) which describe the polarization state of an electromagnetic wave propagating through space.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Velocity"><xsd:annotation><xsd:documentation xml:lang="en">Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Wavelength"><xsd:annotation><xsd:documentation xml:lang="en">The peak-to-peak distance over one wave period.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:WavelengthRange
Namespace
http://www.spase-group.org/data/schema
Annotations
The range of possible values for the observed wavelength.
<xsd:complexType name="WavelengthRange"><xsd:annotation><xsd:documentation xml:lang="en">The range of possible values for the observed wavelength.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="SpectralRange" type="spase:SpectralRange" minOccurs="0" maxOccurs="1"/><xsd:element name="Low" type="spase:Low" minOccurs="1" maxOccurs="1"/><xsd:element name="High" type="spase:High" minOccurs="1" maxOccurs="1"/><xsd:element name="Units" type="spase:Units" minOccurs="1" maxOccurs="1"/><xsd:element name="Bin" type="spase:Bin" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Complex Type spase:Mixed
Namespace
http://www.spase-group.org/data/schema
Annotations
A parameter derived from more than one of the type of parameter. For example, plasma beta, the ratio of plasma particle energy density to the energy density of the magnetic field permeating the plasma, is mixed.
<xsd:complexType name="Mixed"><xsd:annotation><xsd:documentation xml:lang="en">A parameter derived from more than one of the type of parameter. For example, plasma beta, the ratio of plasma particle energy density to the energy density of the magnetic field permeating the plasma, is mixed.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="MixedQuantity" type="spase:MixedQuantity" minOccurs="1" maxOccurs="1"/><xsd:element name="ParticleType" type="spase:ParticleType" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:MixedQuantity
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the combined attributes of a mixed parameter quantity.
Diagram
Type
restriction of xsd:string
Facets
enumeration
AkasofuEpsilon
A measure of the magnetopause energy flux and an indicator of the solar wind power available for subsequent magnetospheric energization. Defined as: V*B^2*l^2sin(theta/2)^4 where B is the IMF, l is an empirical scaling parameter equal to 7 RE, and theta = tan(BY /BZ)^-1 the IMF clock angle.
enumeration
AlfvenMachNumber
The ratio of the bulk flow speed to the Alfven speed.
enumeration
AlfvenVelocity
Phase velocity of the Alfven wave; In SI units it is the velocity of the magnetic field divided by the square root of the mass density times the permeability of free space (mu).
enumeration
FrequencyToGyrofrequencyRatio
The ratio of the characteristic frequency of a medium to gyrofrequency of a particle.
enumeration
MagnetosonicMachNumber
The ratio of the velocity of fast mode waves to the Alfven velocity.
enumeration
Other
Not classified with more specific terms. The context of its usage may be described in related text.
enumeration
PlasmaBeta
The ratio of the plasma pressure (nkT) to the magnetic pressure (B^2/2mu0) of the SUM(nkT)/(B^2/2mu0).
enumeration
TotalPressure
In an MHD fluid it is the number density (N) times Boltzmann constant times the temperature in Kelvin.
enumeration
VCrossB
The cross product of the charge velocity (V) and the magnetic field (B). It is the electric field exerted on a point charge by a magnetic field.
<xsd:simpleType name="MixedQuantity"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the combined attributes of a mixed parameter quantity.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="AkasofuEpsilon"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the magnetopause energy flux and an indicator of the solar wind power available for subsequent magnetospheric energization. Defined as: V*B^2*l^2sin(theta/2)^4 where B is the IMF, l is an empirical scaling parameter equal to 7 RE, and theta = tan(BY /BZ)^-1 the IMF clock angle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AlfvenMachNumber"><xsd:annotation><xsd:documentation xml:lang="en">The ratio of the bulk flow speed to the Alfven speed.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AlfvenVelocity"><xsd:annotation><xsd:documentation xml:lang="en">Phase velocity of the Alfven wave; In SI units it is the velocity of the magnetic field divided by the square root of the mass density times the permeability of free space (mu).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FrequencyToGyrofrequencyRatio"><xsd:annotation><xsd:documentation xml:lang="en">The ratio of the characteristic frequency of a medium to gyrofrequency of a particle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MagnetosonicMachNumber"><xsd:annotation><xsd:documentation xml:lang="en">The ratio of the velocity of fast mode waves to the Alfven velocity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Other"><xsd:annotation><xsd:documentation xml:lang="en">Not classified with more specific terms. The context of its usage may be described in related text.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PlasmaBeta"><xsd:annotation><xsd:documentation xml:lang="en">The ratio of the plasma pressure (nkT) to the magnetic pressure (B^2/2mu0) of the SUM(nkT)/(B^2/2mu0).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TotalPressure"><xsd:annotation><xsd:documentation xml:lang="en">In an MHD fluid it is the number density (N) times Boltzmann constant times the temperature in Kelvin.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="VCrossB"><xsd:annotation><xsd:documentation xml:lang="en">The cross product of the charge velocity (V) and the magnetic field (B). It is the electric field exerted on a point charge by a magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:Support
Namespace
http://www.spase-group.org/data/schema
Annotations
Information useful in understanding the context of an observation, typically observed or measured coincidentally with a physical observation.
<xsd:complexType name="Support"><xsd:annotation><xsd:documentation xml:lang="en">Information useful in understanding the context of an observation, typically observed or measured coincidentally with a physical observation.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Qualifier" type="spase:Qualifier" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="SupportQuantity" type="spase:SupportQuantity" minOccurs="1" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:SupportQuantity
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the information useful in understanding the context of an observation, typically observed or measured coincidentally with a physical observation.
Diagram
Type
restriction of xsd:string
Facets
enumeration
InstrumentMode
An indication of a state (mode) in which the instrument is operating. How a mode influences the interpretation and representation of data is described in instrument related documentation.
enumeration
Other
Not classified with more specific terms. The context of its usage may be described in related text.
enumeration
Positional
The specification of the location of an object or measurement within a reference coordinate system. The position is usually expressed as a set of values corresponding to the location along a set of orthogonal axes together with the date/time of the observation.
enumeration
Temporal
Pertaining to time.
enumeration
Velocity
Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.
<xsd:simpleType name="SupportQuantity"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the information useful in understanding the context of an observation, typically observed or measured coincidentally with a physical observation.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="InstrumentMode"><xsd:annotation><xsd:documentation xml:lang="en">An indication of a state (mode) in which the instrument is operating. How a mode influences the interpretation and representation of data is described in instrument related documentation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Other"><xsd:annotation><xsd:documentation xml:lang="en">Not classified with more specific terms. The context of its usage may be described in related text.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Positional"><xsd:annotation><xsd:documentation xml:lang="en">The specification of the location of an object or measurement within a reference coordinate system. The position is usually expressed as a set of values corresponding to the location along a set of orthogonal axes together with the date/time of the observation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Temporal"><xsd:annotation><xsd:documentation xml:lang="en">Pertaining to time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Velocity"><xsd:annotation><xsd:documentation xml:lang="en">Rate of change of position. Also used for the average velocity of a collection of particles, also referred to as bulk velocity.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:Extension
Namespace
http://www.spase-group.org/data/schema
Annotations
A container of other metadata which is not part of the SPASE data model. The contents of this element are defined by individual usage. The organization and content are constrained by the implementation. For example, in an XML representation of the SPASE metadata the content must conform to the XML specifications.
<xsd:complexType name="Extension"><xsd:annotation><xsd:documentation xml:lang="en">A container of other metadata which is not part of the SPASE data model. The contents of this element are defined by individual usage. The organization and content are constrained by the implementation. For example, in an XML representation of the SPASE metadata the content must conform to the XML specifications.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/></xsd:sequence><xsd:attribute name="lang" type="xsd:string" default="en"/></xsd:complexType>
Complex Type spase:DisplayData
Namespace
http://www.spase-group.org/data/schema
Annotations
A graphical representation of data wherein the underlying numeric values are not (readily) accessible for analysis.. Examples are line plots and spectrograms.
<xsd:simpleType name="ProcessingLevel"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers to characterize the amount and type of manipulation which has been applied to the sampled data.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Calibrated"><xsd:annotation><xsd:documentation xml:lang="en">Data wherein sensor outputs have been convolved with instrument response function, often irreversibly, to yield data in physical units.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Raw"><xsd:annotation><xsd:documentation xml:lang="en">Data in its original state with no processing to account for calibration!!!</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Uncalibrated"><xsd:annotation><xsd:documentation xml:lang="en">Duplicate data are removed from the data stream and data are time ordered. Values are not adjusted for any potential biases or external factors.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:ProviderProcessingLevel
Namespace
http://www.spase-group.org/data/schema
Annotations
The provider specific classification of the processing performed on the product.
<xsd:simpleType name="ProviderProcessingLevel"><xsd:annotation><xsd:documentation xml:lang="en">The provider specific classification of the processing performed on the product.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:MeasurementType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the method of making an estimated value of a quantity that forms the basis of an observation.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ActivityIndex
An indication, derived from one or more measurements, of the level of activity of an object or region, such as sunspot number, F10.7 flux, Dst, or the Polar Cap Indices.
enumeration
Dopplergram
A map or image depicting the spatial distribution of line-of-sight velocities of the observed object.
enumeration
Dust
Free microscopic particles of solid material.
enumeration
ElectricField
A region of space around a charged particle, or between two voltages within which a force is exerted on charged objects in its vicinity. An electric field is the electric force per unit charge.
enumeration
EnergeticParticles
Pieces of matter that are moving very fast. Energetic particles include protons, electrons, neutrons, neutrinos, the nuclei of atoms, and other sub-atomic particles.
enumeration
Ephemeris
The spatial coordinates of a body as a function of time. When used as an Instrument Type it represents the process or methods used to generate spatial coordinates.
enumeration
ImageIntensity
Measurements of the two-dimensional distribution of the intensity of photons from some region or object such as the Sun or the polar auroral regions; can be in any wavelength band, and polarized, etc.
enumeration
InstrumentStatus
A quantity directly related to the operation or function of an instrument.
enumeration
IonComposition
In situ measurements of the relative flux or density of electrically charged particles in the space environment. May give simple fluxes, but full distribution functions are sometimes measured.
enumeration
Irradiance
A radiometric term for the power of electromagnetic radiation at a surface, per unit area. Irradiance is used when the electromagnetic radiation is incident on the surface. The SI unit of irradiance is watts per square meter (W7m-2).
enumeration
MagneticField
A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).
enumeration
Magnetogram
Measurements of the vector or line-of-sight magnetic field determined from remote sensing measurements of the detailed structure of spectral lines, including their splitting and polarization. (Magnetogram.)
enumeration
NeutralAtomImages
Measurements of neutral atom fluxes as a function of look direction; often related to remote energetic charged particles that lose their charge through charge-exchange and then reach the detector on a line-of-sight trajectory.
enumeration
NeutralGas
Measurements of neutral atomic and molecular components of a gas.
enumeration
Profile
Measurements of a quantity as a function of height above an object such as the limb of a body.
enumeration
Radiance
A radiometric measurement that describes the amount of electromagnetic radiation that passes through or is emitted from a particular area, and falls within a given solid angle in a specified direction. They are used to characterize both emission from diffuse sources and reflection from diffuse surfaces. The SI unit of radiance is watts per steradian per square meter (W*s*r^-1*m^-2).
enumeration
Spectrum
The distribution of a characteristic of a physical system or phenomenon, such as the energy emitted by a radiant source, arranged in the order of wavelengths.
enumeration
ThermalPlasma
Measurements of the plasma in the energy regime where the most of the plasma occurs. May be the basic fluxes in the form of distribution functions or the derived bulk parameters (density, flow velocity, etc.).
enumeration
Waves
Data resulting from observations of wave experiments and natural wave phenomena. Wave experiments are typically active and natural wave phenomena are passive. Examples of wave experiments include coherent/incoherent scatter radars, radio soundings, VLF propagation studies, ionospheric scintillation of beacon satellite signals, etc. Examples of natural wave phenomena include micropulsations, mesospheric gravity waves, auroral/plasmaspheric hiss, Langmuir waves, AKR, Jovian decametric radiation, solar radio bursts, etc.
enumeration
Waves.Active
Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.
enumeration
Waves.Passive
Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.
<xsd:simpleType name="MeasurementType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the method of making an estimated value of a quantity that forms the basis of an observation.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ActivityIndex"><xsd:annotation><xsd:documentation xml:lang="en">An indication, derived from one or more measurements, of the level of activity of an object or region, such as sunspot number, F10.7 flux, Dst, or the Polar Cap Indices.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Dopplergram"><xsd:annotation><xsd:documentation xml:lang="en">A map or image depicting the spatial distribution of line-of-sight velocities of the observed object.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Dust"><xsd:annotation><xsd:documentation xml:lang="en">Free microscopic particles of solid material.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ElectricField"><xsd:annotation><xsd:documentation xml:lang="en">A region of space around a charged particle, or between two voltages within which a force is exerted on charged objects in its vicinity. An electric field is the electric force per unit charge.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergeticParticles"><xsd:annotation><xsd:documentation xml:lang="en">Pieces of matter that are moving very fast. Energetic particles include protons, electrons, neutrons, neutrinos, the nuclei of atoms, and other sub-atomic particles.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ephemeris"><xsd:annotation><xsd:documentation xml:lang="en">The spatial coordinates of a body as a function of time. When used as an Instrument Type it represents the process or methods used to generate spatial coordinates.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ImageIntensity"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of the two-dimensional distribution of the intensity of photons from some region or object such as the Sun or the polar auroral regions; can be in any wavelength band, and polarized, etc.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="InstrumentStatus"><xsd:annotation><xsd:documentation xml:lang="en">A quantity directly related to the operation or function of an instrument.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IonComposition"><xsd:annotation><xsd:documentation xml:lang="en">In situ measurements of the relative flux or density of electrically charged particles in the space environment. May give simple fluxes, but full distribution functions are sometimes measured.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Irradiance"><xsd:annotation><xsd:documentation xml:lang="en">A radiometric term for the power of electromagnetic radiation at a surface, per unit area. Irradiance is used when the electromagnetic radiation is incident on the surface. The SI unit of irradiance is watts per square meter (W7m-2).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MagneticField"><xsd:annotation><xsd:documentation xml:lang="en">A region of space near a magnetized body where magnetic forces can be detected (as measured by methods such as Zeeman splitting, etc.).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetogram"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of the vector or line-of-sight magnetic field determined from remote sensing measurements of the detailed structure of spectral lines, including their splitting and polarization. (Magnetogram.)</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NeutralAtomImages"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of neutral atom fluxes as a function of look direction; often related to remote energetic charged particles that lose their charge through charge-exchange and then reach the detector on a line-of-sight trajectory.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NeutralGas"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of neutral atomic and molecular components of a gas.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Profile"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of a quantity as a function of height above an object such as the limb of a body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Radiance"><xsd:annotation><xsd:documentation xml:lang="en">A radiometric measurement that describes the amount of electromagnetic radiation that passes through or is emitted from a particular area, and falls within a given solid angle in a specified direction. They are used to characterize both emission from diffuse sources and reflection from diffuse surfaces. The SI unit of radiance is watts per steradian per square meter (W*s*r^-1*m^-2).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Spectrum"><xsd:annotation><xsd:documentation xml:lang="en">The distribution of a characteristic of a physical system or phenomenon, such as the energy emitted by a radiant source, arranged in the order of wavelengths.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ThermalPlasma"><xsd:annotation><xsd:documentation xml:lang="en">Measurements of the plasma in the energy regime where the most of the plasma occurs. May be the basic fluxes in the form of distribution functions or the derived bulk parameters (density, flow velocity, etc.).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Waves"><xsd:annotation><xsd:documentation xml:lang="en">Data resulting from observations of wave experiments and natural wave phenomena. Wave experiments are typically active and natural wave phenomena are passive. Examples of wave experiments include coherent/incoherent scatter radars, radio soundings, VLF propagation studies, ionospheric scintillation of beacon satellite signals, etc. Examples of natural wave phenomena include micropulsations, mesospheric gravity waves, auroral/plasmaspheric hiss, Langmuir waves, AKR, Jovian decametric radiation, solar radio bursts, etc.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Waves.Active"><xsd:annotation><xsd:documentation xml:lang="en">Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Waves.Passive"><xsd:annotation><xsd:documentation xml:lang="en">Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:TemporalDescription
Namespace
http://www.spase-group.org/data/schema
Annotations
A characterization of the time over which the measurement was taken.
<xsd:complexType name="TemporalDescription"><xsd:annotation><xsd:documentation xml:lang="en">A characterization of the time over which the measurement was taken.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="TimeSpan" type="spase:TimeSpan" minOccurs="1" maxOccurs="1"/><xsd:element name="Cadence" type="spase:Cadence" minOccurs="0" maxOccurs="1"/><xsd:element name="Exposure" type="spase:Exposure" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:Exposure
Namespace
http://www.spase-group.org/data/schema
Annotations
The time interval over which an individual measurement is taken.
<xsd:simpleType name="Exposure"><xsd:annotation><xsd:documentation xml:lang="en">The time interval over which an individual measurement is taken.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:duration"/></xsd:simpleType>
Simple Type spase:DisplayCadence
Namespace
http://www.spase-group.org/data/schema
Annotations
The time interval between the successive display elements.
<xsd:simpleType name="DisplayCadence"><xsd:annotation><xsd:documentation xml:lang="en">The time interval between the successive display elements.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:duration"/></xsd:simpleType>
Simple Type spase:Region
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for areas of the physical world which may be occupied or observed.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Asteroid
A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.
enumeration
Comet
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
enumeration
Earth
The third planet from the sun in our solar system.
enumeration
Earth.Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
enumeration
Earth.Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
enumeration
Earth.Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
enumeration
Earth.Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
enumeration
Earth.Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
enumeration
Earth.Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
enumeration
Earth.NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
enumeration
Earth.NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
enumeration
Earth.NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
enumeration
Earth.NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
enumeration
Earth.NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
Earth.NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
Earth.NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
Earth.NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
enumeration
Earth.NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
enumeration
Earth.NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
enumeration
Earth.NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
enumeration
Earth.NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
enumeration
Earth.NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
enumeration
Earth.NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
enumeration
Earth.NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
enumeration
Earth.Surface
The outermost area of a solid object.
enumeration
Heliosphere
The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
enumeration
Heliosphere.Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
enumeration
Heliosphere.NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
enumeration
Heliosphere.Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
enumeration
Heliosphere.Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
enumeration
Interstellar
The region between stars outside of the stars heliopause.
enumeration
Jupiter
The fifth planet from the sun in our solar system.
enumeration
Mars
The forth planet from the sun in our solar system.
enumeration
Mercury
The first planet from the sun in our solar system.
enumeration
Neptune
The seventh planet from the sun in our solar system.
enumeration
Pluto
The ninth (sub)planet from the sun in our solar system.
enumeration
Saturn
The sixth planet from the sun in our solar system.
enumeration
Sun
The star upon which our solar system is centered.
enumeration
Sun.Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
enumeration
Sun.Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
enumeration
Sun.Interior
The region inside the body which is not visible from outside the body.
enumeration
Sun.Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
enumeration
Sun.TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
enumeration
Uranus
The eighth planet from the sun in our solar system.
enumeration
Venus
The second planet from the sun in our solar system.
<xsd:simpleType name="Region"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for areas of the physical world which may be occupied or observed.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Asteroid"><xsd:annotation><xsd:documentation xml:lang="en">A small extraterrestrial body consisting mostly of rock and metal that is in orbit around the sun.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Comet"><xsd:annotation><xsd:documentation xml:lang="en">A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth"><xsd:annotation><xsd:documentation xml:lang="en">The third planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosheath"><xsd:annotation><xsd:documentation xml:lang="en">The region between the bow shock and the magnetopause, characterized by very turbulent plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosphere"><xsd:annotation><xsd:documentation xml:lang="en">The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planet's magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosphere.Magnetotail"><xsd:annotation><xsd:documentation xml:lang="en">The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosphere.Main"><xsd:annotation><xsd:documentation xml:lang="en">The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosphere.Polar"><xsd:annotation><xsd:documentation xml:lang="en">The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Magnetosphere.RadiationBelt"><xsd:annotation><xsd:documentation xml:lang="en">The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface"><xsd:annotation><xsd:documentation xml:lang="en">The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Atmosphere"><xsd:annotation><xsd:documentation xml:lang="en">The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.AuroralRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.EquatorialRegion"><xsd:annotation><xsd:documentation xml:lang="en">A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Ionosphere"><xsd:annotation><xsd:documentation xml:lang="en">The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Ionosphere.DRegion"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Ionosphere.ERegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Ionosphere.FRegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Ionosphere.Topside"><xsd:annotation><xsd:documentation xml:lang="en">The region at the upper most areas of the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Mesosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Plasmasphere"><xsd:annotation><xsd:documentation xml:lang="en">A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.PolarCap"><xsd:annotation><xsd:documentation xml:lang="en">The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.SouthAtlanticAnomalyRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region where the Earth's inner van Allen radiation belt makes its closest approach to the planet's surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Stratosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Thermosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.NearSurface.Troposphere"><xsd:annotation><xsd:documentation xml:lang="en">The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Earth.Surface"><xsd:annotation><xsd:documentation xml:lang="en">The outermost area of a solid object.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Heliosphere"><xsd:annotation><xsd:documentation xml:lang="en">The solar atmosphere extending roughly from the outer corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Heliosphere.Inner"><xsd:annotation><xsd:documentation xml:lang="en">The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Heliosphere.NearEarth"><xsd:annotation><xsd:documentation xml:lang="en">The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Heliosphere.Outer"><xsd:annotation><xsd:documentation xml:lang="en">The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Heliosphere.Remote1AU"><xsd:annotation><xsd:documentation xml:lang="en">The heliospheric region near the Earth's orbit, but exclusive of the region near the Earth.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Interstellar"><xsd:annotation><xsd:documentation xml:lang="en">The region between stars outside of the star's heliopause.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Jupiter"><xsd:annotation><xsd:documentation xml:lang="en">The fifth planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Mars"><xsd:annotation><xsd:documentation xml:lang="en">The forth planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Mercury"><xsd:annotation><xsd:documentation xml:lang="en">The first planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Neptune"><xsd:annotation><xsd:documentation xml:lang="en">The seventh planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Pluto"><xsd:annotation><xsd:documentation xml:lang="en">The ninth (sub)planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Saturn"><xsd:annotation><xsd:documentation xml:lang="en">The sixth planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun"><xsd:annotation><xsd:documentation xml:lang="en">The star upon which our solar system is centered.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun.Chromosphere"><xsd:annotation><xsd:documentation xml:lang="en">The region of the Sun's (or a star's) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun.Corona"><xsd:annotation><xsd:documentation xml:lang="en">The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun.Interior"><xsd:annotation><xsd:documentation xml:lang="en">The region inside the body which is not visible from outside the body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun.Photosphere"><xsd:annotation><xsd:documentation xml:lang="en">The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sun.TransitionRegion"><xsd:annotation><xsd:documentation xml:lang="en">A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Uranus"><xsd:annotation><xsd:documentation xml:lang="en">The eighth planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Venus"><xsd:annotation><xsd:documentation xml:lang="en">The second planet from the sun in our solar system.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:NumericalData
Namespace
http://www.spase-group.org/data/schema
Annotations
Data product stored as numerical values in a specified format.
A set of information designed and presented as an individual entity. A document may contain plain or formatted text, in-line graphics, sound, other multimedia data, or hypermedia references. Some examples of documents include a paper, letter, book, user guide, map, drawing, photograph, or image.
<xsd:complexType name="Document"><xsd:annotation><xsd:documentation xml:lang="en">A set of information designed and presented as an individual entity. A document may contain plain or formatted text, in-line graphics, sound, other multimedia data, or hypermedia references. Some examples of documents include a paper, letter, book, user guide, map, drawing, photograph, or image.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ResourceID" type="spase:ResourceID" minOccurs="1" maxOccurs="1"/><xsd:element name="ResourceHeader" type="spase:ResourceHeader" minOccurs="1" maxOccurs="1"/><xsd:element name="AccessInformation" type="spase:AccessInformation" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="Keyword" type="spase:Keyword" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="DocumentType" type="spase:DocumentType" minOccurs="1" maxOccurs="1"/><xsd:element name="InputResourceID" type="spase:InputResourceID" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:DocumentType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characterization of the content or purpose of a document.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Paper
A formal presentation of an idea or discovery typically more than a few pages in length.
<xsd:simpleType name="DocumentType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characterization of the content or purpose of a document.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Paper"><xsd:annotation><xsd:documentation xml:lang="en">A formal presentation of an idea or discovery typically more than a few pages in length.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:Granule
Namespace
http://www.spase-group.org/data/schema
Annotations
An accessible portion of another resource. A Granule may be composed of one or more physical pieces (files) which are considered inseparable. For example, a data storage format that maintains metadata and binary data in separate, but tightly coupled files. Granules should not be used to group files that have simple relationships or which are associated through a parent resource. For example, each file containing a time interval data for a Numerical Data resource would each be considered a Granule. The ParentID of a Granule resource must be a NumericalData resource. The attributes of a Granule supersede the corresponding attributes in the NumericalData resource.
<xsd:complexType name="Granule"><xsd:annotation><xsd:documentation xml:lang="en">An accessible portion of another resource. A Granule may be composed of one or more physical pieces (files) which are considered inseparable. For example, a data storage format that maintains metadata and binary data in separate, but tightly coupled files. Granules should not be used to group files that have simple relationships or which are associated through a parent resource. For example, each file containing a time interval data for a Numerical Data resource would each be considered a Granule. The ParentID of a Granule resource must be a NumericalData resource. The attributes of a Granule supersede the corresponding attributes in the NumericalData resource.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ResourceID" type="spase:ResourceID" minOccurs="1" maxOccurs="1"/><xsd:element name="ReleaseDate" type="spase:ReleaseDate" minOccurs="1" maxOccurs="1"/><xsd:element name="ExpirationDate" type="spase:ExpirationDate" minOccurs="0" maxOccurs="1"/><xsd:element name="ParentID" type="spase:ParentID" minOccurs="1" maxOccurs="1"/><xsd:element name="PriorID" type="spase:PriorID" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="StartDate" type="spase:StartDate" minOccurs="1" maxOccurs="1"/><xsd:element name="StopDate" type="spase:StopDate" minOccurs="1" maxOccurs="1"/><xsd:element name="Source" type="spase:Source" minOccurs="1" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:ParentID
Namespace
http://www.spase-group.org/data/schema
Annotations
The resource identifier for a resource that a resource is a part of. The resource inherits the attributes of the referenced resource. Attributes defined in the resource override attributes of the parent in the manner prescribed by the containing resource.
<xsd:simpleType name="ParentID"><xsd:annotation><xsd:documentation xml:lang="en">The resource identifier for a resource that a resource is a part of. The resource inherits the attributes of the referenced resource. Attributes defined in the resource override attributes of the parent in the manner prescribed by the containing resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
<xsd:complexType name="Source"><xsd:annotation><xsd:documentation xml:lang="en">The location and attributes of an object.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="SourceType" type="spase:SourceType" minOccurs="1" maxOccurs="1"/><xsd:element name="URL" type="spase:URL" minOccurs="1" maxOccurs="1"/><xsd:element name="MirrorURL" type="spase:MirrorURL" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="Checksum" type="spase:Checksum" minOccurs="0" maxOccurs="1"/><xsd:element name="DataExtent" type="spase:DataExtent" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:SourceType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the characterization of the function or purpose of a source.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Ancillary
A complementary item which can be subordinate, subsidiary, auxiliary, supplementary to the primary item.
enumeration
Browse
A representation of an image which is suitable to reveal most or all of the details of the image.
enumeration
Data
A collection of organized information, usually the results of experience, observation or experiment, or a set of premises. This may consist of numbers, words, or images, particularly as measurements or observations of a set of variables.
enumeration
Layout
The structured arrangement of items in a collection.
enumeration
Thumbnail
A small representation of an image which is suitable to infer what the full-sized imaged is like.
<xsd:simpleType name="SourceType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the characterization of the function or purpose of a source.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Ancillary"><xsd:annotation><xsd:documentation xml:lang="en">A complementary item which can be subordinate, subsidiary, auxiliary, supplementary to the primary item.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Browse"><xsd:annotation><xsd:documentation xml:lang="en">A representation of an image which is suitable to reveal most or all of the details of the image.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Data"><xsd:annotation><xsd:documentation xml:lang="en">A collection of organized information, usually the results of experience, observation or experiment, or a set of premises. This may consist of numbers, words, or images, particularly as measurements or observations of a set of variables.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Layout"><xsd:annotation><xsd:documentation xml:lang="en">The structured arrangement of items in a collection.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Thumbnail"><xsd:annotation><xsd:documentation xml:lang="en">A small representation of an image which is suitable to infer what the full-sized imaged is like.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:MirrorURL
Namespace
http://www.spase-group.org/data/schema
Annotations
A Uniform Resource Locator (URL) to an alternate location of a resource.
<xsd:simpleType name="MirrorURL"><xsd:annotation><xsd:documentation xml:lang="en">A Uniform Resource Locator (URL) to an alternate location of a resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:anyURI"/></xsd:simpleType>
Complex Type spase:Checksum
Namespace
http://www.spase-group.org/data/schema
Annotations
A computed value that is dependent upon the contents of a digital data object. Primarily used to check whether errors or alterations have occurred during the transmission or storage of a data object.
<xsd:complexType name="Checksum"><xsd:annotation><xsd:documentation xml:lang="en">A computed value that is dependent upon the contents of a digital data object. Primarily used to check whether errors or alterations have occurred during the transmission or storage of a data object.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="HashValue" type="spase:HashValue" minOccurs="1" maxOccurs="1"/><xsd:element name="HashFunction" type="spase:HashFunction" minOccurs="1" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:HashValue
Namespace
http://www.spase-group.org/data/schema
Annotations
The value calculated by a hash function, e.g. the message digest of a digital data object.
<xsd:simpleType name="HashValue"><xsd:annotation><xsd:documentation xml:lang="en">The value calculated by a hash function, e.g. the message digest of a digital data object.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:HashFunction
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for functions or algorithms that convert a digital data object into a hash value.
Diagram
Type
restriction of xsd:string
Facets
enumeration
MD5
Message Digest 5 (MD5) is a 128-bit message digest algorithm created in 1991 by Professor Ronald Rivest.
enumeration
SHA1
Secure Hash Algorithm (SHA), a 160-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.
enumeration
SHA256
Secure Hash Algorithm (SHA), a 256-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.
<xsd:simpleType name="HashFunction"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for functions or algorithms that convert a digital data object into a hash value.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="MD5"><xsd:annotation><xsd:documentation xml:lang="en">Message Digest 5 (MD5) is a 128-bit message digest algorithm created in 1991 by Professor Ronald Rivest.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SHA1"><xsd:annotation><xsd:documentation xml:lang="en">Secure Hash Algorithm (SHA), a 160-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SHA256"><xsd:annotation><xsd:documentation xml:lang="en">Secure Hash Algorithm (SHA), a 256-bit message digest algorithm developed by the NSA and described in Federal Information Processing Standard (FIPS) publication 180-1.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Complex Type spase:Instrument
Namespace
http://www.spase-group.org/data/schema
Annotations
A device that makes measurements used to characterize a physical phenomenon, or a family of like devices.
<xsd:complexType name="Instrument"><xsd:annotation><xsd:documentation xml:lang="en">A device that makes measurements used to characterize a physical phenomenon, or a family of like devices.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ResourceID" type="spase:ResourceID" minOccurs="1" maxOccurs="1"/><xsd:element name="ResourceHeader" type="spase:ResourceHeader" minOccurs="1" maxOccurs="1"/><xsd:element name="InstrumentType" type="spase:InstrumentType" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="InvestigationName" type="spase:InvestigationName" minOccurs="1" maxOccurs="1"/><xsd:element name="ObservatoryID" type="spase:ObservatoryID" minOccurs="1" maxOccurs="1"/><xsd:element name="Caveats" type="spase:Caveats" minOccurs="0" maxOccurs="1"/><xsd:element name="Extension" type="spase:Extension" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Simple Type spase:InstrumentType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the type of experiment the instrument performs. This is the technique of observation.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Antenna
A sensor used to measure electric potential.
enumeration
Channeltron
An instrument that detects electrons, ions, and UV-radiation, according to the principle of a secondary emission multiplier. It is typically used in electron spectroscopy and mass spectrometry.
enumeration
Coronograph
An instrument which can image things very close to the Sun by using a disk to block the Suns bright surface which reveals the faint solar corona and other celestial objects.
enumeration
DoubleSphere
A dipole antenna of which the active (sensor) elements are small spheres located at the ends of two wires deployed in the equatorial plane, on opposite sides of a spinning spacecraft.
enumeration
DustDetector
An instrument which determines the mass and speed of ambient dust particles.
enumeration
ElectronDriftInstrument
An active experiment to measure the electron drift velocity based on sensing the displacement of a weak beam of electrons after one gyration in the ambient magnetic field.
enumeration
ElectrostaticAnalyser
An instrument which uses charged plates to analyze the mass, charge and kinetic energies of charged particles which enter the instrument.
enumeration
EnergeticParticleInstrument
An instrument that measures fluxes of charged particles as a function of time, direction of motion, mass, charge and/or species.
enumeration
FaradayCup
An instrument consisting of an electrode from which electrical current is measured while a charged particle beam (electrons or ions) impinges on it. Used to determine energy spectrum and sometimes ion composition of the impinging particles.
enumeration
FluxFeedback
A search coil whose bandwidth and signal/noise ratio are increased by the application of negative feedback at the sensor (flux) level by driving a collocated coil with a signal from the preamplifier.
enumeration
FourierTransformSpectrograph
An instrument that determines the spectra of a radiative source, using time-domain measurements and a Fourier transform.
enumeration
GeigerMuellerTube
An instrument which measures density of ionizing radiation based on interactions with a gas.
enumeration
Imager
An instrument which samples the radiation from an area at one or more spectral ranges emitted or reflected by an object.
enumeration
ImagingSpectrometer
An instrument which is a multispectral scanner with a very large number of channels (64-256 channels) with very narrow band widths.
enumeration
Interferometer
An instrument to study the properties of two or more waves from the pattern of interference created by their superposition.
enumeration
IonChamber
A device in which the collected electrical charge from ionization in a gas-filled cavity is taken to be the proportion to some parameter (e.g. dose or exposure) of radiation field
enumeration
IonDrift
A device which measures the current produced by the displacement of ambient ions on a grid, thereby allowing the determination of the ion trajectory and velocity.
enumeration
LangmuirProbe
A monopole antenna associated with an instrument. The instrument applies a potential to the antenna which is swept to determine the voltage/current characteristic. This provides information about the plasma surrounding the probe and spacecraft.
enumeration
LongWire
A dipole antenna whose active (sensor) elements are two wires deployed in the equatorial plane on opposite sides of a spinning spacecraft, and whose length is several times greater than the spacecraft diameter.
enumeration
Magnetometer
An instrument which measures the ambient magnetic field.
enumeration
MassSpectrometer
An instrument which distinguishes chemical species in terms of their different isotopic masses.
enumeration
MicrochannelPlate
An instrument used for the detection of elementary particles, ions, ultraviolet rays and soft X-rays constructed from very thin conductive glass capillaries.
enumeration
MultispectralImager
An instrument which captures images at multiple spectral ranges.
enumeration
NeutralAtomImager
An instrument which measures the quantity and properties of neutral particles over a range of angles. Measured properties can include mass and energy.
enumeration
NeutralParticleDetector
An instrument which measures the quantity and properties of neutral particles. Measured properties can include mass and plasma bulk densities.
enumeration
ParticleCorrelator
An instrument which correlates particle flux to help identify wave/particle interactions.
enumeration
ParticleDetector
An instrument which detects particle flux!!!
enumeration
Photometer
An instrument which measures the strength of electromagnetic radiation within a spectral band which can range from ultraviolet to infrared and includes the visible spectrum.
enumeration
Photopolarimeter
An instrument which measures the intensity and polarization or radiant energy. A photopolarimeter is a combination of a photometer and a polarimeter.
enumeration
Platform
A collection of components which can be positioned and oriented as a single unit. A platform may contain other platforms. For example, a spacecraft is a platform which may have components that can be articulated and are also considered platforms.
enumeration
ProportionalCounter
An instrument which measures energy of ionization radiation based on interactions with a gas.
enumeration
QuadrisphericalAnalyser
An instrument used for the 3-D detection of plasma, energetic electrons and ions, and for positive-ion composition measurements.
enumeration
Radar
An instrument that uses directional properties of returned power to infer spatial and/or other characteristics of a remote object.
enumeration
Radiometer
An instrument for detecting or measuring radiant energy. Radiometers are commonly limited to infrared radiation.
enumeration
ResonanceSounder
A combination of a radio receiver and a pulsed transmitter used to study the plasma surrounding a spacecraft by identifying resonances or cut-offs (of the wave dispersion relation), whose frequencies are related to the ambient plasma density and magnetic field. When the transmitter is off it is essentially a high frequency-resolution spectral power receiver.
enumeration
RetardingPotentialAnalyser
An instrument which measures ion temperatures and ion concentrations using a planar ion trap.
enumeration
Riometer
An instrument which measure the signal strength in various directions of the galactic radio signals. Variations in these signals are influenced by solar flare activity and geomagnetic storm and substorm processes.
enumeration
ScintillationDetector
An instrument which detects flouresences of a material which is excited by high energy (ionizing) electromagnetic or charged particle radiation.
enumeration
SearchCoil
An instrument which measures the time variation of the magnetic flux threading a loop by measurement of the electric potential difference induced between the ends of the wire.
enumeration
Sounder
An instrument which measures the radiances from an object. A sounder may measure radiances at multiple spectral ranges.
enumeration
SpacecraftPotentialControl
An instrument to control the electric potential of a spacecraft with respect to the ambient plasma by emitting a variable current of positive ions.
enumeration
SpectralPowerReceiver
A radio receiver which determines the power spectral density of the electric or magnetic field, or both, at one or more frequencies.
enumeration
Spectrometer
An instrument that measures the component wavelengths of light (or other electromagnetic radiation) by splitting the light up into its component wavelengths.
enumeration
TimeOfFlight
An instrument which measures the time it takes for a particle to travel between two detectors.
enumeration
Unspecified
A value which is not provided.
enumeration
WaveformReceiver
A radio receiver which outputs the value of one or more components of the electric and/or magnetic field as a function of time.
<xsd:simpleType name="InstrumentType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the type of experiment the instrument performs. This is the technique of observation.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Antenna"><xsd:annotation><xsd:documentation xml:lang="en">A sensor used to measure electric potential.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Channeltron"><xsd:annotation><xsd:documentation xml:lang="en">An instrument that detects electrons, ions, and UV-radiation, according to the principle of a secondary emission multiplier. It is typically used in electron spectroscopy and mass spectrometry.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Coronograph"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which can image things very close to the Sun by using a disk to block the Sun's bright surface which reveals the faint solar corona and other celestial objects.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DoubleSphere"><xsd:annotation><xsd:documentation xml:lang="en">A dipole antenna of which the active (sensor) elements are small spheres located at the ends of two wires deployed in the equatorial plane, on opposite sides of a spinning spacecraft.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="DustDetector"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which determines the mass and speed of ambient dust particles.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ElectronDriftInstrument"><xsd:annotation><xsd:documentation xml:lang="en">An active experiment to measure the electron drift velocity based on sensing the displacement of a weak beam of electrons after one gyration in the ambient magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ElectrostaticAnalyser"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which uses charged plates to analyze the mass, charge and kinetic energies of charged particles which enter the instrument.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EnergeticParticleInstrument"><xsd:annotation><xsd:documentation xml:lang="en">An instrument that measures fluxes of charged particles as a function of time, direction of motion, mass, charge and/or species.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FaradayCup"><xsd:annotation><xsd:documentation xml:lang="en">An instrument consisting of an electrode from which electrical current is measured while a charged particle beam (electrons or ions) impinges on it. Used to determine energy spectrum and sometimes ion composition of the impinging particles.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FluxFeedback"><xsd:annotation><xsd:documentation xml:lang="en">A search coil whose bandwidth and signal/noise ratio are increased by the application of negative feedback at the sensor (flux) level by driving a collocated coil with a signal from the preamplifier.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FourierTransformSpectrograph"><xsd:annotation><xsd:documentation xml:lang="en">An instrument that determines the spectra of a radiative source, using time-domain measurements and a Fourier transform.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="GeigerMuellerTube"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures density of ionizing radiation based on interactions with a gas.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Imager"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which samples the radiation from an area at one or more spectral ranges emitted or reflected by an object.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ImagingSpectrometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which is a multispectral scanner with a very large number of channels (64-256 channels) with very narrow band widths.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Interferometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument to study the properties of two or more waves from the pattern of interference created by their superposition.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IonChamber"><xsd:annotation><xsd:documentation xml:lang="en">A device in which the collected electrical charge from ionization in a gas-filled cavity is taken to be the proportion to some parameter (e.g. dose or exposure) of radiation field</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IonDrift"><xsd:annotation><xsd:documentation xml:lang="en">A device which measures the current produced by the displacement of ambient ions on a grid, thereby allowing the determination of the ion trajectory and velocity.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LangmuirProbe"><xsd:annotation><xsd:documentation xml:lang="en">A monopole antenna associated with an instrument. The instrument applies a potential to the antenna which is swept to determine the voltage/current characteristic. This provides information about the plasma surrounding the probe and spacecraft.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="LongWire"><xsd:annotation><xsd:documentation xml:lang="en">A dipole antenna whose active (sensor) elements are two wires deployed in the equatorial plane on opposite sides of a spinning spacecraft, and whose length is several times greater than the spacecraft diameter.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the ambient magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MassSpectrometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which distinguishes chemical species in terms of their different isotopic masses.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MicrochannelPlate"><xsd:annotation><xsd:documentation xml:lang="en">An instrument used for the detection of elementary particles, ions, ultraviolet rays and soft X-rays constructed from very thin conductive glass capillaries.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="MultispectralImager"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which captures images at multiple spectral ranges.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NeutralAtomImager"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the quantity and properties of neutral particles over a range of angles. Measured properties can include mass and energy.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NeutralParticleDetector"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the quantity and properties of neutral particles. Measured properties can include mass and plasma bulk densities.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ParticleCorrelator"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which correlates particle flux to help identify wave/particle interactions.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ParticleDetector"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which detects particle flux!!!</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Photometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the strength of electromagnetic radiation within a spectral band which can range from ultraviolet to infrared and includes the visible spectrum.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Photopolarimeter"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the intensity and polarization or radiant energy. A photopolarimeter is a combination of a photometer and a polarimeter.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Platform"><xsd:annotation><xsd:documentation xml:lang="en">A collection of components which can be positioned and oriented as a single unit. A platform may contain other platforms. For example, a spacecraft is a platform which may have components that can be articulated and are also considered platforms.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ProportionalCounter"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures energy of ionization radiation based on interactions with a gas.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="QuadrisphericalAnalyser"><xsd:annotation><xsd:documentation xml:lang="en">An instrument used for the 3-D detection of plasma, energetic electrons and ions, and for positive-ion composition measurements.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Radar"><xsd:annotation><xsd:documentation xml:lang="en">An instrument that uses directional properties of returned power to infer spatial and/or other characteristics of a remote object.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Radiometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument for detecting or measuring radiant energy. Radiometers are commonly limited to infrared radiation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ResonanceSounder"><xsd:annotation><xsd:documentation xml:lang="en">A combination of a radio receiver and a pulsed transmitter used to study the plasma surrounding a spacecraft by identifying resonances or cut-offs (of the wave dispersion relation), whose frequencies are related to the ambient plasma density and magnetic field. When the transmitter is off it is essentially a high frequency-resolution spectral power receiver.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RetardingPotentialAnalyser"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures ion temperatures and ion concentrations using a planar ion trap.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Riometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measure the signal strength in various directions of the galactic radio signals. Variations in these signals are influenced by solar flare activity and geomagnetic storm and substorm processes.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ScintillationDetector"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which detects flouresences of a material which is excited by high energy (ionizing) electromagnetic or charged particle radiation.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SearchCoil"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the time variation of the magnetic flux threading a loop by measurement of the electric potential difference induced between the ends of the wire.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Sounder"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the radiances from an object. A sounder may measure radiances at multiple spectral ranges.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SpacecraftPotentialControl"><xsd:annotation><xsd:documentation xml:lang="en">An instrument to control the electric potential of a spacecraft with respect to the ambient plasma by emitting a variable current of positive ions.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SpectralPowerReceiver"><xsd:annotation><xsd:documentation xml:lang="en">A radio receiver which determines the power spectral density of the electric or magnetic field, or both, at one or more frequencies.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Spectrometer"><xsd:annotation><xsd:documentation xml:lang="en">An instrument that measures the component wavelengths of light (or other electromagnetic radiation) by splitting the light up into its component wavelengths.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TimeOfFlight"><xsd:annotation><xsd:documentation xml:lang="en">An instrument which measures the time it takes for a particle to travel between two detectors.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Unspecified"><xsd:annotation><xsd:documentation xml:lang="en">A value which is not provided.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="WaveformReceiver"><xsd:annotation><xsd:documentation xml:lang="en">A radio receiver which outputs the value of one or more components of the electric and/or magnetic field as a function of time.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:InvestigationName
Namespace
http://www.spase-group.org/data/schema
Annotations
The name given to the contract or engagement which enabled the data to be produced. Each investigation is associated with a Principal Investigator or Guest Investigator who was responsible for the original proposal. For single PI missions each major subsystem having its own identified Team Leader may also be classed as an Investigation for the purposes of data archiving.
<xsd:simpleType name="InvestigationName"><xsd:annotation><xsd:documentation xml:lang="en">The name given to the contract or engagement which enabled the data to be produced. Each investigation is associated with a Principal Investigator or Guest Investigator who was responsible for the original proposal. For single PI missions each major subsystem having its own identified Team Leader may also be classed as an Investigation for the purposes of data archiving.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
<xsd:simpleType name="ObservatoryID"><xsd:annotation><xsd:documentation xml:lang="en">The identifier of an Observatory resource.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Observatory
Namespace
http://www.spase-group.org/data/schema
Annotations
The host (spacecraft, network, facility) for instruments making observations, or a family of programmatically related hosts.
<xsd:simpleType name="ObservatoryGroup"><xsd:annotation><xsd:documentation xml:lang="en">A set of programmatically related observatories.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Location
Namespace
http://www.spase-group.org/data/schema
Annotations
A position in space definable by a regional referencing system and geographic coordinates.
<xsd:complexType name="Location"><xsd:annotation><xsd:documentation xml:lang="en">A position in space definable by a regional referencing system and geographic coordinates.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ObservatoryRegion" type="spase:Region" minOccurs="1" maxOccurs="unbounded"/><xsd:element name="CoordinateSystemName" type="spase:CoordinateSystemName" minOccurs="0" maxOccurs="1"/><xsd:element name="Latitude" type="spase:Latitude" minOccurs="0" maxOccurs="1"/><xsd:element name="Longitude" type="spase:Longitude" minOccurs="0" maxOccurs="1"/><xsd:element name="Elevation" type="spase:Elevation" minOccurs="0" maxOccurs="1"/></xsd:sequence></xsd:complexType>
Simple Type spase:Latitude
Namespace
http://www.spase-group.org/data/schema
Annotations
The angular distance north (positive) or south (negative) from the equator, measured along the meridian passing through the point.
<xsd:simpleType name="Latitude"><xsd:annotation><xsd:documentation xml:lang="en">The angular distance north (positive) or south (negative) from the equator, measured along the meridian passing through the point.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:Longitude
Namespace
http://www.spase-group.org/data/schema
Annotations
The angular distance measured west (positive) or east (negative) from a north-south line called the Prime Meridian.
<xsd:simpleType name="Longitude"><xsd:annotation><xsd:documentation xml:lang="en">The angular distance measured west (positive) or east (negative) from a north-south line called the Prime Meridian.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
Simple Type spase:Elevation
Namespace
http://www.spase-group.org/data/schema
Annotations
The distance in meters above (positive) or below (negative) the zero elevation defined by the World Geodetic System reference frame (WGS84).
<xsd:simpleType name="Elevation"><xsd:annotation><xsd:documentation xml:lang="en">The distance in meters above (positive) or below (negative) the zero elevation defined by the World Geodetic System reference frame (WGS84).</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:double"/></xsd:simpleType>
<xsd:simpleType name="PersonName"><xsd:annotation><xsd:documentation xml:lang="en">The words used to address an individual.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:OrganizationName
Namespace
http://www.spase-group.org/data/schema
Annotations
A unit within a company or other entity (e.g., Government agency or branch of service) within which many projects are managed as a whole.
<xsd:simpleType name="OrganizationName"><xsd:annotation><xsd:documentation xml:lang="en">A unit within a company or other entity (e.g., Government agency or branch of service) within which many projects are managed as a whole.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Address
Namespace
http://www.spase-group.org/data/schema
Annotations
Directions for finding some location; written on letters or packages that are to be delivered to that location.
<xsd:simpleType name="Address"><xsd:annotation><xsd:documentation xml:lang="en">Directions for finding some location; written on letters or packages that are to be delivered to that location.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Email
Namespace
http://www.spase-group.org/data/schema
Annotations
The electronic address at which the individual may be contacted expressed in the form local-part@domain.
<xsd:simpleType name="Email"><xsd:annotation><xsd:documentation xml:lang="en">The electronic address at which the individual may be contacted expressed in the form local-part@domain.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:PhoneNumber
Namespace
http://www.spase-group.org/data/schema
Annotations
The symbols and numerals required to contact an individual by telephone. The string may contain punctuation marks such as dash (-) or dot (.) to separate fields within the string.
<xsd:simpleType name="PhoneNumber"><xsd:annotation><xsd:documentation xml:lang="en">The symbols and numerals required to contact an individual by telephone. The string may contain punctuation marks such as dash (-) or dot (.) to separate fields within the string.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:FaxNumber
Namespace
http://www.spase-group.org/data/schema
Annotations
The symbols and numerals required to send a facsimile (FAX) to an individual by telephone. The string may contain punctuation marks such as dash (-) or dot (.) to separate fields within the string.
<xsd:simpleType name="FaxNumber"><xsd:annotation><xsd:documentation xml:lang="en">The symbols and numerals required to send a facsimile (FAX) to an individual by telephone. The string may contain punctuation marks such as dash (-) or dot (.) to separate fields within the string.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Complex Type spase:Registry
Namespace
http://www.spase-group.org/data/schema
Annotations
A location or facility where resources are cataloged.
<xsd:complexType name="Service"><xsd:annotation><xsd:documentation xml:lang="en">A location or facility that can perform a well defined task.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="ResourceID" type="spase:ResourceID" minOccurs="1" maxOccurs="1"/><xsd:element name="ResourceHeader" type="spase:ResourceHeader" minOccurs="1" maxOccurs="1"/><xsd:element name="AccessURL" type="spase:AccessURL" minOccurs="1" maxOccurs="1"/><xsd:element name="Extension" type="spase:Extension" minOccurs="0" maxOccurs="unbounded"/></xsd:sequence></xsd:complexType>
Complex Type spase:Annotation
Namespace
http://www.spase-group.org/data/schema
Annotations
Information which is explanatory or descriptive which is associated with another resource.
<xsd:simpleType name="ImageURL"><xsd:annotation><xsd:documentation xml:lang="en">A URL to graphic, image or movie.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:anyURI"/></xsd:simpleType>
Simple Type spase:AnnotationType
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for an classification of an annotation.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Anomaly
An interval where measurements or observations may be adversely affected.
enumeration
Event
An action or observation which occurs at a point in time.
enumeration
Feature
A prominent or distinctive characteristic that occurs at a location or persists over a period of time.
<xsd:simpleType name="AnnotationType"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for an classification of an annotation.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Anomaly"><xsd:annotation><xsd:documentation xml:lang="en">An interval where measurements or observations may be adversely affected.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Event"><xsd:annotation><xsd:documentation xml:lang="en">An action or observation which occurs at a point in time.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Feature"><xsd:annotation><xsd:documentation xml:lang="en">A prominent or distinctive characteristic that occurs at a location or persists over a period of time.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:ClassificationMethod
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the technique used to determine the characteristics of an object.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Automatic
Determined by the analysis or assessment performed by a program or server.
enumeration
Inferred
Determined by the analysis of other information or resources.
enumeration
Inspection
Determined by the analysis or assessment performed by a person.
<xsd:simpleType name="ClassificationMethod"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the technique used to determine the characteristics of an object.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Automatic"><xsd:annotation><xsd:documentation xml:lang="en">Determined by the analysis or assessment performed by a program or server.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Inferred"><xsd:annotation><xsd:documentation xml:lang="en">Determined by the analysis of other information or resources.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Inspection"><xsd:annotation><xsd:documentation xml:lang="en">Determined by the analysis or assessment performed by a person.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:ConfidenceRating
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the classification of the certainty of an assertion.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Probable
Likely given the available evidence. Considered in the range of 4-7 on a scale of 0-10.
enumeration
Strong
Highly likely given the available evidence. Considered in the range of 7-10 on a scale of 0-10.
enumeration
Unlikely
Not likely given the available evidence. Considered in the range of 0 on a scale of 0-10.
enumeration
Weak
Slightly likely given the available evidence. Considered in the range of 1-4 on a scale of 0-10.
<xsd:simpleType name="ConfidenceRating"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the classification of the certainty of an assertion.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Probable"><xsd:annotation><xsd:documentation xml:lang="en">Likely given the available evidence. Considered in the range of 4-7 on a scale of 0-10.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Strong"><xsd:annotation><xsd:documentation xml:lang="en">Highly likely given the available evidence. Considered in the range of 7-10 on a scale of 0-10.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Unlikely"><xsd:annotation><xsd:documentation xml:lang="en">Not likely given the available evidence. Considered in the range of 0 on a scale of 0-10.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Weak"><xsd:annotation><xsd:documentation xml:lang="en">Slightly likely given the available evidence. Considered in the range of 1-4 on a scale of 0-10.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
<xsd:simpleType name="StartLocation"><xsd:annotation><xsd:documentation xml:lang="en">The initial position in space.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
<xsd:simpleType name="StopLocation"><xsd:annotation><xsd:documentation xml:lang="en">The final position in space.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"/></xsd:simpleType>
Simple Type spase:Component
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the axis of coordinate systems.
Diagram
Type
restriction of xsd:string
Facets
enumeration
I
Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.
enumeration
J
Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.
enumeration
K
Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.
Source
<xsd:simpleType name="Component"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the axis of coordinate systems.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="I"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the first named axis of a coordinate system. Typically the X axis, but could be the R axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="J"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the second named axis of a coordinate system. Typically the Y axis, but could be the T axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="K"><xsd:annotation><xsd:documentation xml:lang="en">Projection of a vector along the third named axis of a coordinate system. Typically the Z axis, but could be the N axis for an RTN coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:DirectionAngle
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the angle between a vector and a base axis.
Diagram
Type
restriction of xsd:string
Facets
enumeration
AzimuthAngle
The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).
enumeration
ElevationAngle
The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).
enumeration
PolarAngle
The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).
Source
<xsd:simpleType name="DirectionAngle"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the angle between a vector and a base axis.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="AzimuthAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the projection into the i-j plane of a position or measured vector and the i-axis of the coordinate system. Mathematically defined as arctan(j/i).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ElevationAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the position or measured vector and the i-j plane of the coordinate system. Mathematically defined as arctan(k/SQRT(i^2+j^2)).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PolarAngle"><xsd:annotation><xsd:documentation xml:lang="en">The angle between the position or measured vector and the k-axis of the coordinate system. Mathematically defined as arctan([SQRT(i^2+j^2)]/k).</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Earth
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the regions surrounding the Earth.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Magnetosheath
The region between the bow shock and the magnetopause, characterized by very turbulent plasma.
enumeration
Magnetosphere
The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planets magnetic field.
enumeration
Magnetosphere.Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
enumeration
Magnetosphere.Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
enumeration
Magnetosphere.Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
enumeration
Magnetosphere.RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
enumeration
NearSurface
The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.
enumeration
NearSurface.Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
enumeration
NearSurface.AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
enumeration
NearSurface.EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
enumeration
NearSurface.Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
enumeration
NearSurface.Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
NearSurface.Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
NearSurface.Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
NearSurface.Ionosphere.Topside
The region at the upper most areas of the ionosphere.
enumeration
NearSurface.Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
enumeration
NearSurface.Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
enumeration
NearSurface.PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
enumeration
NearSurface.SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
enumeration
NearSurface.Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
enumeration
NearSurface.Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
enumeration
NearSurface.Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
enumeration
Surface
The outermost area of a solid object.
Source
<xsd:simpleType name="Earth"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the regions surrounding the Earth.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Magnetosheath"><xsd:annotation><xsd:documentation xml:lang="en">The region between the bow shock and the magnetopause, characterized by very turbulent plasma.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetosphere"><xsd:annotation><xsd:documentation xml:lang="en">The region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of the planet's magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetosphere.Magnetotail"><xsd:annotation><xsd:documentation xml:lang="en">The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetosphere.Main"><xsd:annotation><xsd:documentation xml:lang="en">The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetosphere.Polar"><xsd:annotation><xsd:documentation xml:lang="en">The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Magnetosphere.RadiationBelt"><xsd:annotation><xsd:documentation xml:lang="en">The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface"><xsd:annotation><xsd:documentation xml:lang="en">The gaseous and possibly ionized environment of a body extending from the surface to some specified altitude. For the Earth, this altitude is 2000 km.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Atmosphere"><xsd:annotation><xsd:documentation xml:lang="en">The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.AuroralRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.EquatorialRegion"><xsd:annotation><xsd:documentation xml:lang="en">A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Ionosphere"><xsd:annotation><xsd:documentation xml:lang="en">The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Ionosphere.DRegion"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Ionosphere.ERegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Ionosphere.FRegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Ionosphere.Topside"><xsd:annotation><xsd:documentation xml:lang="en">The region at the upper most areas of the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Mesosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Plasmasphere"><xsd:annotation><xsd:documentation xml:lang="en">A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.PolarCap"><xsd:annotation><xsd:documentation xml:lang="en">The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.SouthAtlanticAnomalyRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region where the Earth's inner van Allen radiation belt makes its closest approach to the planet's surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Stratosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Thermosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearSurface.Troposphere"><xsd:annotation><xsd:documentation xml:lang="en">The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Surface"><xsd:annotation><xsd:documentation xml:lang="en">The outermost area of a solid object.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Heliosphere
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for regions of the solar atmosphere which extends roughly from the inner corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Inner
The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.
enumeration
NearEarth
The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.
enumeration
Outer
The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).
enumeration
Remote1AU
The heliospheric region near the Earths orbit, but exclusive of the region near the Earth.
Source
<xsd:simpleType name="Heliosphere"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for regions of the solar atmosphere which extends roughly from the inner corona to the edge of the solar plasma at the heliopause separating primarily solar plasma from interstellar plasma.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Inner"><xsd:annotation><xsd:documentation xml:lang="en">The region of the heliosphere extending radially out from the surface of the Sun to 1 AU.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="NearEarth"><xsd:annotation><xsd:documentation xml:lang="en">The heliospheric region near the Earth which extends to and includes the area near the L1 and L2 Lagrange point.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Outer"><xsd:annotation><xsd:documentation xml:lang="en">The region of the heliosphere from, but not including, 1 AU to the farthest extent of the heliosphere (heliopause).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Remote1AU"><xsd:annotation><xsd:documentation xml:lang="en">The heliospheric region near the Earth's orbit, but exclusive of the region near the Earth.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Integral
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for values above a given threshold and over area or solid-angle range.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Area
Integration over the extent of a planar region, or of the surface of a solid.
enumeration
Bandwidth
Integration over the width a frequency band.
enumeration
SolidAngle
Integration over the angle in three-dimensional space that an object subtends at a point.
Source
<xsd:simpleType name="Integral"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for values above a given threshold and over area or solid-angle range.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Area"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the extent of a planar region, or of the surface of a solid.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Bandwidth"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the width a frequency band.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SolidAngle"><xsd:annotation><xsd:documentation xml:lang="en">Integration over the angle in three-dimensional space that an object subtends at a point.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Ionosphere
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for ionospheric regions.
Diagram
Type
restriction of xsd:string
Facets
enumeration
DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
Topside
The region at the upper most areas of the ionosphere.
Source
<xsd:simpleType name="Ionosphere"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for ionospheric regions.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="DRegion"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="ERegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="FRegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Topside"><xsd:annotation><xsd:documentation xml:lang="en">The region at the upper most areas of the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Magnetosphere
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of planets magnetic field.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Magnetotail
The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).
enumeration
Main
The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.
enumeration
Polar
The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.
enumeration
RadiationBelt
The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.
Source
<xsd:simpleType name="Magnetosphere"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the region of space above the atmosphere or surface of the planet, and bounded by the magnetopause, that is under the direct influence of planet's magnetic field.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Magnetotail"><xsd:annotation><xsd:documentation xml:lang="en">The region on the night side of the body where the magnetic filed is stretched backwards by the force of the solar wind. For Earth, the magnetotail begins at a night-side radial distance of 10 Re (X > -10Re).</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Main"><xsd:annotation><xsd:documentation xml:lang="en">The region of the magnetosphere where the magnetic field lines are closed, but does not include the gaseous region gravitationally bound to the body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Polar"><xsd:annotation><xsd:documentation xml:lang="en">The region near the pole of a body. For a magnetosphere the polar region is the area where magnetic field lines are open and includes the auroral zone.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="RadiationBelt"><xsd:annotation><xsd:documentation xml:lang="en">The region within a magnetosphere where high-energy particles could potentially be trapped in a magnetic field.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:NearSurface
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for regions of the gaseous and possibly ionized environment of a body extending from the surface to some specified altitude.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Atmosphere
The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.
enumeration
AuroralRegion
The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.
enumeration
EquatorialRegion
A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.
enumeration
Ionosphere
The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.
enumeration
Ionosphere.DRegion
The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.
enumeration
Ionosphere.ERegion
A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.
enumeration
Ionosphere.FRegion
A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.
enumeration
Ionosphere.Topside
The region at the upper most areas of the ionosphere.
enumeration
Mesosphere
The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.
enumeration
Plasmasphere
A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.
enumeration
PolarCap
The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.
enumeration
SouthAtlanticAnomalyRegion
The region where the Earths inner van Allen radiation belt makes its closest approach to the planets surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.
enumeration
Stratosphere
The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.
enumeration
Thermosphere
The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.
enumeration
Troposphere
The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.
Source
<xsd:simpleType name="NearSurface"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for regions of the gaseous and possibly ionized environment of a body extending from the surface to some specified altitude.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Atmosphere"><xsd:annotation><xsd:documentation xml:lang="en">The neutral gases surrounding a body that extends from the surface and is bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="AuroralRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region in the atmospheric where electrically-charged particles bombarding the upper atmosphere of a planet in the presence of a magnetic field produce an optical phenomenon.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="EquatorialRegion"><xsd:annotation><xsd:documentation xml:lang="en">A region centered on the equator and limited in latitude by approximately 23 degrees north and south of the equator.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ionosphere"><xsd:annotation><xsd:documentation xml:lang="en">The charged or ionized gases surrounding a body that are nominally bound to the body by virtue of the gravitational attraction.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ionosphere.DRegion"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the ionosphere that exists approximately 50 to 95 km above the surface of the Earth. One of several layers in the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ionosphere.ERegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer of ionised gas occurring at 90-150km above the ground. One of several layers in the ionosphere. Also called the The Kennelly-Heaviside layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ionosphere.FRegion"><xsd:annotation><xsd:documentation xml:lang="en">A layer that contains ionized gases at a height of around 150-800 km above sea level, placing it in the thermosphere. the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. One of several layers in the ionosphere. Also known as the Appleton layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Ionosphere.Topside"><xsd:annotation><xsd:documentation xml:lang="en">The region at the upper most areas of the ionosphere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Mesosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Stratosphere to a range of 80 km to 85 km, temperature decreasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Plasmasphere"><xsd:annotation><xsd:documentation xml:lang="en">A region of the magnetosphere consisting of low energy (cool) plasma. It is located above the ionosphere. The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="PolarCap"><xsd:annotation><xsd:documentation xml:lang="en">The areas of the globe surrounding the poles and consisting of the region north of 60 degrees north latitude an the region south of 60 degrees south latitude.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="SouthAtlanticAnomalyRegion"><xsd:annotation><xsd:documentation xml:lang="en">The region where the Earth's inner van Allen radiation belt makes its closest approach to the planet's surface. The result is that, for a given altitude, the radiation intensity is higher over this region than elsewhere.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Stratosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the troposphere to about 30 km, temperature increases with height. The stratosphere contains the ozone layer.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Thermosphere"><xsd:annotation><xsd:documentation xml:lang="en">The layer of the atmosphere that extends from the Mesosphere to 640+ km, temperature increasing with height.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Troposphere"><xsd:annotation><xsd:documentation xml:lang="en">The lowest layer of the atmosphere which begins at the surface and extends to between 7 km (4.4 mi) at the poles and 17 km (10.6 mi) at the equator, with some variation due to weather factors.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Projection
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers to projections into a coordinate system.
Diagram
Type
restriction of xsd:string
Facets
enumeration
IJ
A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.
enumeration
IK
A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.
enumeration
JK
A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.
Source
<xsd:simpleType name="Projection"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers to projections into a coordinate system.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="IJ"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the i-j (typically X-Y) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="IK"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the i-k (typically X-Z) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="JK"><xsd:annotation><xsd:documentation xml:lang="en">A measure of the length of a position or measured vector projected into the j-k (typically Y-Z) plane of the coordinate system.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Sun
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for regions of the star upon which our solar system is centered.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Chromosphere
The region of the Suns (or a stars) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.
enumeration
Corona
The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.
enumeration
Interior
The region inside the body which is not visible from outside the body.
enumeration
Photosphere
The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.
enumeration
TransitionRegion
A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.
Source
<xsd:simpleType name="Sun"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for regions of the star upon which our solar system is centered.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Chromosphere"><xsd:annotation><xsd:documentation xml:lang="en">The region of the Sun's (or a star's) atmosphere above the temperature minimum and below the Transition Region. The solar chromosphere is approximately 400 km to 2100 km above the photosphere, and characterized by temperatures from 4500 - 28000 K.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Corona"><xsd:annotation><xsd:documentation xml:lang="en">The outermost atmospheric region of the Sun or a star, characterized by ionization temperatures above 10^5 K. The solar corona starts at about 2100 km above the photosphere; there is no generally defined upper limit.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Interior"><xsd:annotation><xsd:documentation xml:lang="en">The region inside the body which is not visible from outside the body.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Photosphere"><xsd:annotation><xsd:documentation xml:lang="en">The atmospheric layer of the Sun or a star from which continuum radiation, especially optical, is emitted to space. For the Sun, the photosphere is about 500 km thick.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="TransitionRegion"><xsd:annotation><xsd:documentation xml:lang="en">A very narrow (<100 km) layer between the chromosphere and the corona where the temperature rises abruptly from about 8000 to about 500,000 K.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Text
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for the encoding of sequences of characters.
Diagram
Type
restriction of xsd:string
Facets
enumeration
ASCII
A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.
enumeration
Unicode
Text in multi-byte Unicode format.
Source
<xsd:simpleType name="Text"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for the encoding of sequences of characters.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="ASCII"><xsd:annotation><xsd:documentation xml:lang="en">A sequence of characters that adheres to American Standard Code for Information Interchange (ASCII) which is an 7-bit character-coding scheme.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Unicode"><xsd:annotation><xsd:documentation xml:lang="en">Text in multi-byte Unicode format.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
Simple Type spase:Waves
Namespace
http://www.spase-group.org/data/schema
Annotations
Identifiers for experimental and natural wave phenomena.
Diagram
Type
restriction of xsd:string
Facets
enumeration
Active
Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.
enumeration
Passive
Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.
Source
<xsd:simpleType name="Waves"><xsd:annotation><xsd:documentation xml:lang="en">Identifiers for experimental and natural wave phenomena.</xsd:documentation></xsd:annotation><xsd:restriction base="xsd:string"><xsd:enumeration value="Active"><xsd:annotation><xsd:documentation xml:lang="en">Exerting an influence or producing a change or effect. An active measurement is one which produces a transmission or excitation as a part of the measurement cycle.</xsd:documentation></xsd:annotation></xsd:enumeration><xsd:enumeration value="Passive"><xsd:annotation><xsd:documentation xml:lang="en">Movement or effect produced by outside influence. A passive measurement is one which does not produce a transmission or excitation as a part of the measurement cycle.</xsd:documentation></xsd:annotation></xsd:enumeration></xsd:restriction></xsd:simpleType>
