A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.
Learn more about A to Z GIS
GIS Dictionary
Browse dictionary
Earth Gravitational Model
URL copiedShare URL
[standards, geodesy]
Geopotential models of the earth published by the National Geospatial-Intelligence Agency (NGA) used as the geoid reference in the World Geodetic System (WGS).