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TeachMeFinance.com - explain digital elevation model (DEM) 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'. Previous 5 Terms: digital Digital Digital Cable Digital Channel digital clock Next 5 Terms: Digital Imaging And Communications In Medicine Digital Monitor Digital Signal digital television (dtv) Digital Tuner About the author 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". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.