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digital elevation model
Definição1
The representation of terrain surface by continuous elevation values at all intersections of a defined grid, referenced to common datum.
Fonte1
INTERNATIONAL CIVIL AVIATION ORGANIZATION. International civil aviation vocabulary. 3rd ed. Montreal, 2007. (Doc. 9713)
Nota Adicional1
Digital Terrain Model (DTM) is sometimes referred to as DEM.
Français
modèle numérique d’altitude