Close This Window
Parameter Tree:
EARTH SCIENCE SERVICES > MODELS > DIGITAL ELEVATION/DIGITAL TERRAIN MODELS
Definition:
Models that represent continuous elevation values over a topographic surface by
a regular array of z-values, referenced to a common datum. Digital Elevation
Models (DEM) and Digital Terrain Models (DTM) are used to predict the
topography and terrain over a given land surface.
Reference:
Dictionary of GIS Terminology
Close This Window