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Last modified: Oct 31, 2006

GIS Dictionary

This dictionary includes terms from GIS operations such as analysis, data management, and geocomputation; from rapidly evolving uses of GIS for modeling, GIScience, and Web-based GIS; and from the GIS foundation fields of cartography, spatial statistics, computer science, surveying, geodesy, and remote sensing. This online GIS Dictionary also includes ESRI software-specific terminology.

Now available for purchase: A to Z GIS: An illustrated dictionary of geographic information systems.

 
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WGS84

See Also : geocentric datum
  1. [geodesy] Acronym for World Geodetic System 1984. The most widely used geocentric datum and geographic coordinate system today, designed by the U.S. Department of Defense to replace WGS72. GPS measurements are based on WGS84.
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