digital elevation model
- Dennis Daggett (Deactivated)
Owned by Dennis Daggett (Deactivated)
2018-02-16
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A digital representation of the elevation of locations on the land surface. A DEM is often used in reference to a set of elevation values representing the elevations at points in a rectangular grid on the Earth's surface. Some definitions expand DEM to include any digital representation of the land surface, including TIMS or digital contours.
Authorization Path: 2.5.6.4.25.0