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Results tagged with terminology
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user 143
Indicates questions asking about the use and meaning of specific technical words in GIS.
40
votes
Differences between DEM, DSM and DTM?
Digital elevation models (DEM) are a superset of both digital terrain models (DTM) and digital surface models (DSM). Remote sensing generally captures the surface height, so the top of the tree canopy …
- 16.4k
15
votes
Accepted
Define "geospatial data" for a non-GIS professional
Geospatial, geographic and spatial are used interchangeably to mean data with a spatial component, probably on the surface of the earth. The reasoning behind the portmanteau geospatial is that spatial …
- 16.4k