digital elevation model definition

digital elevation model means the representation of terrain surface by continuous elevation values at all intersections of a defined grid, referenced to common datum;
digital elevation model. (DEM) means Digital Surface Model (DSM) or Digital Terrain Model (DTM).
digital elevation model. (“DEM”) means a general definition for a file containing ground elevation data. This may be a digital elevation model, a digital terrain model, or a reflective surface model and is meant to encompass all means of production, including LIDAR and stereo pairs.

Examples of digital elevation model in a sentence

  • One of the most common of this type of algorithm is called Digital Elevation Model Networks or DEMON (Xxxxx-Xxxxxx & Xxxxxx, 1994).

  • Digital Elevation Model Networks (DEMON): A model of flow over hillslopes for computation of contributing and dispersal areas.

  • To this end, critical slope and ridge detection maps have been elaborated for the whole national territory, based on the 30x30 m resolution Global Digital Elevation Model GDEM (ASTER instrument developed jointly by METI (Japan) and NASA (USA); available on the site xxxx://xxx.xxxx.xxx/topics/earth/features/aster-20090629.html).

  • Bathymetry will be exported to ASCII XYZ and a Digital Elevation Model (DEM) will be developed.

  • As topography is one of the major factors in landslide hazard analysis, the generation of a Digital Elevation Model (DEM), plays a major role.

  • The Copernicus Digital Elevation Model (DEM)2 is a digital surface model (DSM) which (unlike a digital terrain model) includes structures above ground, e.g. buildings, bridges, or vegetation.

  • Florida Geological Survey/Florida Department of Environmental Protection, 2003, Digital Elevation Model (DEM) of Northwest Florida (unpublished data).

  • Collection-wide point data (bare earth only) in ESRI multi-point format Collection-wide Terrain Data Model (bare earth) in ArcGIS TERRAIN format Collection-wide Digital Elevation Model (bare earth) in ArcGIS GRID format Collection-wide polyline files in ESRI Polyline Feature Class format Collection-wide Hillshade of the Bare earth DEM in ArcGIS format Contours The range of available algorithms can result in significant differences in cartographic output quality for the generation of topographic contours.

  • Elevation The ASTER Global Digital Elevation Model (GDEM) was obtained from the online EarthData, courtesy of the NASA.

  • Topographic position variables of slope and aspect were calculated using a Digital Elevation Model and the Aspect and Slope tools in ArcMap 10.5. We used a Digital Elevation Model and the Geomorphometry and Gradient Metrics Toolbox in a GIS to generate a Heat Load Index (HLI) model for the Bearlodge Ranger District (Xxxxx et al.

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