CIRES scientists at NGDC have created tested and reviewed a new Digital Elevation Model (DEM) development methodology to build companion structured and unstructured DEMs from the same source elevation ...
A digital map of the elevation of an area on the earth. The data are either collected by a private party or purchased from an organization such as the U.S. Geological Survey (USGS) that has already ...
The remote identification of forest canopy gaps from Digital Elevation Models (DEMs) built from aerial photographs is potentially a viable alternative to ground-based field surveys. In this study a ...
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