GIS Dictionary

[coordinate systems] A projected coordinate system that covers all regions not included in the UTM coordinate system; that is, regions […]

An erosion model developed by the Agricultural Research Service of the United States Department of Agriculture that computes average annual

[astronomy] A timekeeping system that defines local time throughout the world by relating it to time at the prime meridian.

[data models] In coverages, the first record in a polygon attribute table, representing the area beyond the outer boundary of

[astronomy] The number of seconds, in coordinated universal time format, since January 1, 1970 (the start of the UNIX system).

[ESRI software] In Survey Analyst – Cadastral Editor, a parcel that has not been connected to the cadastral fabric, and

[ESRI software] In Survey Analyst for field measurements, previously uncoordinated points.

[data structures] A raster catalog in which the raster datasets are not copied or altered by the geodatabase and there

[ESRI software] In ArcGIS, the programming object that holds updates in a delta file.

[network analysis] In network tracing, the direction along a line or edge that opposes the direction of flow.

[geography] The field of geography concerning the spatial and cultural patterns and processes of cities and neighborhoods.