Digital Elevation Model

From EUROCONTROL ATM Lexicon
Jump to: navigation, search
Link Semantic Value
Term Digital Elevation Model
Status


Mandatory for


Contexts


Categories
Synonyms


Related entries


Broader term


Narrower term


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.