Digital Elevation Models (DEMs): Terminology and Definitions

There is a new paper on DEM terminology and definitions (open access):

Guth, P.L., Niekerk, A.V., Grohmann, C.H., Muller, J.-P., Hawker, L., Florinsky, I.V., Gesch, D., Reuter, H.I., Herrera-Cruz, V., Riazanoff, S., Lópéz-Vázquez, C., Carabajal, C.C., Albinet, C., Strobl, P., 2021 – Digital Elevation Models: Terminology and Definitions. Remote Sensing, 13(18):3581.

The paper is the first major contribution of the DEMIX project (DEM Intercomparison EXercise). The idea is to “consolidate terminology and definitions of key concepts to facilitate a common understanding among the growing community of DEM users,
who do not necessarily share the same background”.

Scheme showing the surfaces represented by a DSM, a DTM, and a NVS (Guth et al., 2021)


  • "International Society for Geomorphometry (ISG) is a non-commercial, nongovernmental association of researchers and experts that are open for free exchange of knowledge and opinions about various aspects of DEM processing and Digital Terrain Modeling."

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