The National Geomagnetic Initiative (1993)

Page 241

APPENDIX D ACRONYMS, ABBREVIATIONS, AND SPECIAL NAMES AE auroral electrojet magnetic activity index AGO Automatic Geophysical Observatories AGU American Geophysical Union APAFO Advanced Particles and Fields Observatory AR0ISTOTELES Applications and Research Involving Space Technologies Observing the Earth's Field from Low Earth Orbiting Satellite AWAGS Australia-Wide Array of Geomagnetic Stations BEMPEX Barotropic Electromagnetic and Pressure Experiment BGS British Geological Survey CAM Consortium on Array Magnetometers CANOPUS Canadian Auroral Network for the OPEN Program Unified Study (OPEN program has been renamed STEP) CASERTZ Corridor Aerogeophysics South and East Ross Transect Zone (Antarctica) CD-ROM Compact Disk—Read-Only Memory CMB core-mantle boundary CNES Centre National d'Etudes Spatiales (France) CODMAC Committee on Data Management and Computing (NRC) COSPAR Scientific Committee on Space Research (ICSU) CRRES Combined Release and Radiation Effects Satellite CSEDI Cooperative Studies of the Earth's Deep Interior DCP data collection platform DE-2 Dynamics Explorer declination inclination magnetometer

Page 242

DMA Defense Mapping Agency DMSP Defense Meteorological Satellite Program DOD U.S. Department of Defense DOE U.S. Department of Energy Dst disturbance storm time equatorial magnetospheric activity index (ring current index) EEZ Exclusive Economic Zone EM electromagnetic method EMF electromotive force EMSLAB Electromagnetic Studies of the Lithosphere and Mantle Beneath (the Juan de Fuca Plate) EOS Earth Observing System EOS Transactions of the AGU EPA U.S. Environmental Protection Agency ESA European Space Agency FAC field-aligned current FLINN Fiducial Laboratories for an International Natural Science Network FREJA Swedish satellite program GAMES Gravity and Magnetic Earth Surveyor GAO U.S. General Accounting Office GDS geomagnetic deep sounding GEM Global Environmental Monitoring GGS Global Geospace Science GIN Geomagnetic Information Node GIS geographic information systems GLONASS USSR Global Navigation Satellite System GMS Geostationary Meteorological Satellite (Japan) GOES Geostationary Operational Environmental Satellite GPS Global Positioning System HILAT High-Latitude Satellite IAGA International Association of Geomagnetism and Aeronomy (IUGG

Page 243

ICL Inter-Union Commission on the Lithosphere (established under the auspices of ICSU) ICSU International Council of Scientific Unions IEEY International Equatorial Electrojet Year (September 1991 to March 1993; designated by IAGA) IGRF International Geomagnetic Reference Field IGY International Geophysical Year (1957-1959) ILP International Lithosphere Program IMF interplanetary magnetic field IMP Interplanetary Monitoring Platform INTERMAGNET International Real-Time Geomagnetic Observatory Network IRIS Incorporated Research Institutions for Seismology IRM Institute for Rock Magnetism ISEE International Sun-Earth Explorer ISTP International Solar-Terrestrial Physics IUGG International Union of Geodesy and Geophysics IUGS International Union of Geological Sciences IZMIRAN Institute of Terrestrial Magnetism (Russia) K (index) pseudologarithmic magnetic disturbance index for 3-hour intervals (one station) Kp planetary K-index, based on global set of stations L-1 first Lagrangian point LITHOPROBE Canadian program to explore the lithosphere using geophysics, geology, geochemistry, and geodesy MAGIC Magnetometer Array on the Greenland Ice Cap Magsat Earth's magnetic field satellite (1979-1980) MARGINS Margins: A Research Initiative for Interdisci plinary Studies of Processes Attending Lithospheric Extension and Conversion METEOSAT Meteorological Satellite (ESA)

Page 244

MFE Magnetic Field Explorer MHD magnetohydrodynamics MLAT magnetic latitude MO magneto-optical MT magnetotelluric MV magnetic variation NARA National Archives and Records Administration NASA National Aeronautics and Space Administration NAS/NRC National Academy of Sciences/National Research Council NAVOCEANO U.S. Naval Oceanographic Office NERC Natural Environmental Research Council (UK) NGDC National Geophysical Data Center (NOAA) NOAA National Oceanic and Atmospheric Administration NOST National Office of Standards and Technology (NASA/OSSA) NRC National Research Council NSF National Science Foundation ODP Ocean Drilling Program OEDIPUS Observations of Electric-Field Distributions in the Ionospheric Plasma—a Unique Strategy Oersted Danish national satellite program OSSA Office of Space Science and Applications (NASA) PACEM Physics and Chemistry of Earth Materials Pc, Pi Rapid fluctuations of the geomagnetic field having periods from a fraction of a second to tens of minutes, lasting from minutes to hours. Divided into two main patterns: Pc (continuous, almost sinusoidal, pattern); Pi (irregular pattern). PEGASUS space launch vehicle carried to high altitude by B-52 aircraft POGO Polar Orbiting Geomagnetic Observatory

Page 245

POGS Polar Orbiting Geomagnetic Satellite (Navy) Re Earth radius RIDGE Ridge Inter-Disciplinary Global Experiments SAMNET Sub-Auroral Magnetometer Network (UK) SCOSTEP Scientific Committee on Solar-Terrestrial Physics Research (ICSU) SEDI Studies of the Earth's Deep Interior SELDADS Space Environment Laboratory Data Acquisition and Display System (NOAA) SESC Space Environmental Services Center (NOAA) SLR Satellite Laser Ranging SMEX Small Explorer (program) SMS Synchronous Meteorological Satellite Sq solar quiet (pattern of electric currents on quiet days) STEP Solar-Terrestrial Energy Program (7-year program begun in 1990) STP solar-terrestrial physics SYNOP Synoptic Ocean Prediction TIMED Thermosphere-Ionosphere-Mesosphere Energetics and Dynamics TIROS Television Infrared Observation Satellite UARS Upper Atmosphere Research Satellite ULF ultra-low frequency ULYSSES NASA/ESA spacecraft to investigate heliospheric phenomena out of the ecliptic plane UNOLS University-National Oceanographic Laboratory System USAF U.S. Air Force USGC U.S. Geodynamics Committee USGS U.S. Geological Survey Vents Joint NOAA-university study of thermal venting from the seafloor (East Pacific Rise—Juan de Fuca Plate)

Page 246

VLBI very-long-baseline interferometry VLF very low frequency WDC World Data Center Wind solar-wind monitoring satellite (NASA)