| G |
Geometry |
| G&M |
Geography and Map; geography and Map Div. |
| G&O |
Greenhorne & O’Mara Inc. |
| Ga. |
Georgia |
| GA |
Georgia; Geographic access; Geographical Association |
| GAC |
Geological Assn. of Canada; Global Area Composite; Geospatial AdvisoryCommittee (USFS) |
| GAF |
Gesellschaft fur Angewandte Fernerkundung |
| GAP |
Gap Analysis Program (USNBS); Geographic Application Program |
| GAT |
Geography Assn. of Thailand |
| GB |
Gigabyte; Geologische Bundesanstalt (Austria) |
| GBA |
GeoBusiness Assn.; George Butler Associates, Inc. |
| GBf |
Guterbahnhof = freight depot |
| GBF |
Geographic Base File |
| GBI |
Green biomass index |
| GBIS |
Geo-Based Information System; Global Business Intelligence Solutions(IBM) |
| Gbo. |
Grabador = engraver |
| GBS |
Geograpic Base System |
| GCCS |
Global Command, Control System (USDMA) |
| GCDB |
Geographic Coordinate Data Base (U.S.) |
| GCDIS |
Global Change Data and Information System |
| GCG |
Geocartographics Subdivison (Canada) |
| GCHC |
Gulf Coast Hydroscience Center (U.S.) |
| GCLI |
GIS in Canadian Libraries Initiative |
| GCM |
General circulation model; Global climate model; General Command ofMapping (Turkey) |
| GCP |
Ground control point(s) |
| GCRA |
Geographic and Cartographic Research and Applications Section |
| GCRS |
Gulf Centre for Remote Sensing (Firm) |
| GCSS |
Global Combat Support System |
| GCT |
Greenwich Civil Time |
| GCTP |
General Coordinate Transformation Package (software); GeographicCoordinate Transformation Package (software) |
| GD |
Geologic Div. (USGS); Geospatial data; Graphic digitization |
| GDA |
Geographic Data Analysis System |
| GDC |
Geographic Data Council |
| GDD |
Graphics Data Display Manager; GIS Data Depot |
| GDDD |
Geographical Data Description Directory |
| GDE |
Graphic Developer’s Engine (FCAD Software, Inc.) |
| GDF |
Geographic data file |
| GDHS |
Ground Data Handling System (GFSC) |
| GDM |
Geospatial data management |
| GDS |
Graphic Data Systems Corp; Grumman Data Systems; Geo-Data System;Geographic Data Service (U.S.) |
| GDT |
Geographic Data Technology Inc. |
| GDTA |
Groupement pour le Developpement de la Teledetection Aerospatiale(France) |
| GE |
General Electric; Geographic equivalent |
| GEBCO |
General bathymetric chart of the oceans = Carte generale bathymetriquedes oceans |
| GEDS |
General Environmental Data Base System (Florida) |
| GEGMR |
General Establishment of Geology and Mineral Resources (Syria) |
| GEM |
Graphical Environment Manager |
| GEMS |
Global Environment Monitoring System |
| GEO |
Geospatial Metadata Application Profile (USA) |
| GEOBAL |
Servicio Geologico de Bolivia |
| GEO-CAT |
Geographic catalog of political and statistical areas |
| Geocorr |
Geographic Correspondence Engine |
| GEODESY |
Geospatial Data and Exploration System (Harvard Univ.) |
| Geog. |
Geography |
| Geol. |
Geology |
| GEOLAN |
Geological (survey) local area network |
| GEOREF |
Geological Reference (system) |
| GEOS |
Geodynamics Experimental Ocean Satellite |
| GEOSAT |
Geodesy Satellite |
| GEOSEC |
Geographic Security |
| GeoTMS |
Geographic Town Management System (Des Lauriers & Assoc.Inc.) |
| GEOZAVOD |
Zavod za Geoloska i Geofizicksa Istrazivanja (Yugoslavia) |
| Ges. |
Gesamt- |
| GES |
Geographic Entry System |
| gest. |
Gestechen = Engraved |
| gez. |
Gezeichnet = Designed |
| GFDL |
Geophysical Fluid Dynamics Laboratory (U.S.) |
| GGBR |
Golden Gate Biosphere Reserve (Calif.) |
| GGMC |
Guyana Geology and Mines Commission |
| GGNRA |
Golden Gate National Recreation Area (Calif.) |
| GGRF |
Galileo Geodetic Reference Frame |
| GGS |
Georgia Geologic Survey |
| GGU |
Gronlands Geologiske Undersogelse |
| GI |
Geographic information |
| GIA |
Geographic information analysis; Geographic information and analysis;GPS International Assn. |
| GIAA |
Geometrics Industry Assn. of America |
| GIAC |
Geomatics Industry Assn. of Canada; Geographic Information AdvisoryCouncil (Kentucky) |
| GIAL |
Geographic Information and Analysis Laboratory (State Univ. of NewYork, Buffalo) |
| GIB |
Geographic Information Board (Florida); Geomagnetic IndicesBulletin; G.I. Barnett & Son |
| GICC |
Geographic Information Coordinating Committee (Colorado) |
| GICS |
Geographic Identification Code Scheme |
| GID |
Geodaetisk Institut (Denmark) |
| GIDW |
General inverse-distance weighted interpolation model |
| .GIF |
Graphics Interchange File; Graphics Interchange Format |
| GIG |
Geologic Inquiries Group |
| GILS |
Government Information Locator Service |
| GIMS |
Geographic Information Management Systems Committee (ASCM/ASPRS) |
| GIO |
Geographic Information Officer; Geograpic Investigations Office(USGS) |
| GIPS |
Generalized Image Processing Sytstem |
| GIRAS |
Geographic Information Retrieval and Analysis System (USGS) |
| GIS |
Geographic(al) information system(s); Geohydrologic InformationSystem; Geoscience Information Society; Global Indexing System |
| GISCO |
Geographic Information System of the European Commission |
| GISDEX |
Federal Geographic Information and Spatial Data Exposition andConference (U.S.) |
| GISIC |
Geographical Information Systems International Group |
| GISMO |
GIS MOdeling (ERDAS) |
| GISOM |
Generating Information and Scanning Ohio Maps (Ohio State Univ. Centerfor Mapping) |
| GISS |
Goddard Institude of Space Studies |
| GIST |
Geographic Information System for Transportation |
| GITA |
Geospatial Information & Technology Assn. |
| GIV |
Geologic Information Visualization (software) |
| GKP |
Geodeticky a Kartograficky Podnik v Praze |
| GKS |
Graphics Kernal System |
| Gl. |
Gleis |
| GLAB |
Bayerisches Geologisches Landesamt |
| GLAB-W |
Geologisches Landesamt Baden-Wurttemberg |
| GLAI |
Green leaf area index |
| GLAN-W |
Geologisches Landesamt Nordrhein-Westfalen |
| GLAS |
Geoscience Laser Altimeter System; Geologisches Landesamt desSaarlandes |
| GLAS-H |
Geologisches Landesamt Schleswig-Holstein |
| GLI |
Global Imager |
| GLIS |
Geographic Land Information System (USGS); Geographic and LandInformation Society |
| GLM |
General linear model |
| GLO |
General Land Office (U.S.) |
| GLOBE |
Global Learning and Observations to Benefit the Environment |
| GLONASS |
Global Orbiting Navigation Satellite System (Russia) |
| GLOSS |
Global Observation Surveillance System |
| GLR-P |
Geologisches Landesamt Rheinland-Pfalz |
| GLRS |
Geoscience Laser Ranging System |
| GM |
Geography and Map; Geologic map |
| GMAT |
Greenwich Mean Astronomical Time |
| GMD |
Geologisch Mijnbouwkundige Dienst van Suriname |
| GME |
Geohydrologic Map Editor |
| GML |
Geography Markup Language |
| GMR |
Government Micro Resources Inc. |
| GMS |
Geostationary meteorological satellite(s); Geographic MeasurementSystems (Firm) |
|
G.M.S.I.
|
Ground Modeling Systems Inc.; Gandalf Mobile Systems Incorporated;GMSI Inc. is a firm (not an abbreviation) |
| GMT |
Greenwich Mean Time; Generic Mapping Tools |
| G.M.T. |
Giuseppi Maria Terreni |
| GN |
Grid north |
| GNC |
Geologic Names Committee; Global navigation chart |
| GNIS |
Geographic Names Information System (U.S.) |
| GNMP |
Gettysburg National Military Park |
| GNS |
GEOnet Names Server (USNIMA) |
| GNSS |
Global Navigation Satellite System |
| GNU |
Geologic Names Unit (USGS) |
| GNULEX |
Geologic Names Unit Lexicon (USGS) |
| GO |
Geometric Operations |
| G&O |
Greenhorne & O’Mara, Inc. |
| GODORT |
Government Documents Round Table (ALA) |
| GOES |
Geostationary Operational Environmental Satellite (NASA) |
| GOME |
Global Ozone Monitoring Experiment |
| GOMS |
Geostationary Operational Meteorological Satellite(s) |
| Gov. |
Governor |
| Gov. Gen. |
Governor General |
| GP |
Graphic production; Graphics processor; Geography Program (USGS) |
| GPF |
Geospatial Prototype Facility |
| GPG |
Graphic Product Generation |
| GPH |
Geological Publishing House (China) |
| GPI |
Graphics Programming Interface |
| GPIP |
General Purpose Image Processor |
| GPM |
Gestalt Photo Mapper |
| GP.MC |
Geoprocessing Map Call |
| GP.MCD |
Geoprocessing Map Call Deamon program |
| GPO |
Government Printing Office |
| GPOS |
Government Printing Office Style Manual |
| GPPU |
Graphic Polygon Processing Utilities |
| GPR |
Ground-Penetrating Radar |
| GPS |
Global positioning system(s) |
| GPSDR |
Global positioning system demonstration receiver |
| GPSIC |
Global Positioning System Information Center (U.S. Coast Guard); GPSIndustry Council |
| GPST |
Global positioning system time |
| GQ |
Geologic quadrangle |
| GQL |
Graphical Query Language |
| gr. |
gross |
| Gr. |
Grosse |
| GRAMPS |
Graphic Map Production System |
| GRASS |
Geographic Resource Analysis Support System |
| GRB |
Government Records Branch (Library and Archives of Canada; NationalArchives of Canada) |
| GRC |
Generation of reproducible copy; Geoscience Research Corp. |
| GRD |
Ground Resolved Distance |
| GRDL |
Geodetic Research and Development Laboratory |
| GRF-N |
Geographic Reference File-Names |
| GRIDS |
Grid Referenced Information Display System; Gridded Resource InventoryData System |
| GRS |
Geodetic Reference System |
| GRS 80 |
Geodetic Reference System of 1980 |
| GRSU |
Geography Remote Sensing Unit (Univ. of California, SantaBarbara) |
| GS |
Geological Survey (U.S.); Gray scale |
| GSA |
General Services Administration (U.S.); Geological Society of America;Geological Survey of Alabama |
| GSC |
Geological Survey of Canada; Geographic Systems Corp.; GeotronicsService Center; Geocode Service Center (HUD) |
| GSD |
Ground sample distance; Geological Survey Dept. (Malawi); GeologicalSurvey Div. (Jamaica); Geodetic Survey Div. (Natural ResourcesCanada) |
| GSDI |
Global Spatial Data Infrastructure |
| GSDM |
Global Spatial Data Model |
| GSDS |
Global spatial data system |
| GSFC |
Goddard Space Flight Center (NASA) |
| GSGS |
Geographical Section, General Staff (U.K.) |
| GSHAP |
Global Seismic Hazard Assessment Program |
| GSI |
Geodetic Survey Inst. (Japan); Geophysical Services Inc.; GeologicalSurvey of India; Geological Survey of Iran; Geolical Survey Inst. (Japan);Geological Survey of Ireland |
| GSJ |
Geological Survey of Japan |
| GSK |
Geological Survey of Kenya |
| GSL |
Geographic Sciences Laboratory (USCE) |
| GSM |
Graphic Standard Metafile |
| GSMD |
Geological Survey and Mines Dept. (Swaziland) |
| GSN |
Geological Survey of Namibia |
| GSNI |
Geological Survey of Northern Ireland |
| GSP |
Geological Survey of Pakistan; Geographical statistics program |
| GSPB |
Geodetic Satellite Policy Board |
| GSPNG |
Geological Survey Papua New Guinea |
| GSRC |
Geological Survey Research Committee |
| GSS |
Geographic support system |
| GSSA |
Geological Survey South Africa |
| GST |
Galileo System Time |
| GSTC |
Geospatial Service and Technology Center (USFS) |
| GSW |
Geological Survey of Wyoming |
| GSWA |
Geological Survey of Western Australia |
| GSZ |
Geological Survey of Zambia |
| GT |
Geometry and topology; Greater than; Geologian Tutkimuskeskus =Geological Survey of Finland |
| G.T. |
Gas tank |
| GTE |
Greater than or equal |
| GTI |
GIS Technology Inc. |
| GTS |
GPS Timing Simulator (NovAtel Inc.); Great Trigonometrical Survey ofIndia |
| GTUB |
Geographic tabulation unit base |
| GU |
Government unit; Guam |
| GUDS |
Geologicky ustav Dionyz Stur |
| GUGK |
Glavnoe Upravlenie Geodezii i Kartografii (USSR) |
| GUGKK |
Glavno Upravlenie po Geodezia I Kartografia y Kadaster(Bulgaria) |
| GUI |
Graphical User Interface |
| GUID |
Globally unique identifier |
| GUNI |
Goteborgs Universitet Naturgeografiska Institutionen |
| GUNO |
Glavnoe Upravlenie Navigatsii i Okeanografii (USSR) |
| GVF |
Goodness of variance fit |
| GVI |
Green vegetation index |
| GVis |
Geographic Visualization |
| GVIS |
Geographic Visualization |
| GW |
Gas well (natural); Ground water |
| GWE |
Global Weather Experiment |
| GWEN |
Ground Wave Emergency Network (U.S.) |
| GWSI |
Groundwater site inventory |