Elevation Data (DEM)

Digital Elevation Model example

A digital elevation model (DEM) is a digital model or 3D representation of a terrain’s surface created from terrain elevation data. In this catalog, three default sources of DEMs are available: ALOS30m, SRTM30m and FABDEM. More information and places where DEMs can be obtained:

• SRTM (30m precision)

• ALOS (30m precision)

• PRISM data acquired by Japan Aerospace Exploration Agency (30m to 2m precision) (JAXA)

• OpenTopography data (1m precision)

• ASTER

• Copernicus DEM

• FABDEM

Any digital elevation data can be uploaded in a GeoTIFF format, as long as the size is under 2GB and the projection is in EPSG:4326.