

This DEM is extracted from SRTM 90m Digital Elevation Data, which are are derived from the USGS/NASA SRTM data (srtm.csi.cgiar.org, Reuter H.I, A. Nelson, A. Jarvis, 2007, An evaluation of void filling interpolation methods for SRTM data, International Journal of Geographic Information Science 21: 983-1008.) It has GeoTIFF format, 90m resolution, and covers the spatial extent of Ethiopia, Kenya, Uganda, Tanzania, Rwanda.