DEMs have assumed a major role in digital mapping. They are used in geographic information systems (GIS) for land-management applications, to represent landforms and to play the same role as contours and relief shading on conventional paper maps but offering greater analytical potential.
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DEMs can also be used for terrain modelling, calculating the influence of the terrain on line-of-sight, radar imaging, simulating flooding, and other similar applications.
Basic RDF
Facilitated by GFAR
A CIARD service
The RING is part of the