Digital Elevation Model
From EUROCONTROL ATM Lexicon
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| Term | Digital Elevation Model |
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Abbreviation
DEM
Definition
The representation of terrain surface by continuous elevation values at all intersections of a defined grid, referenced to common datum.
Definition Source
ICAO (2010) Annex 15 — Aeronautical Information Services
Note
Digital Terrain Model (DTM) is sometimes referred to as DEM.
