Definition of digital elevation model (DEM)

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digital elevation model (DEM)

The term 'digital elevation model (DEM)' as it applies to the area of Earth observation can be defined as ' A representation of the topography of the Earth in digital format, that is, by coordinates and numerical descriptions of altitude'.

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Mark McCracken

Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".


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