SRTM-30as 2.5d enhanced ETM+ based natural-color image mosaic baseline. SRTM is Shuttle Radar Topography Mission. The ETM_MOSAIC_SHD image data layer is comprised of 18899x19509 derivative image satellite based imagery features derived based on 465 metre data originally from ETM+ Browse.

ETM+ Browse based cartographic reference, resampled and 2.5d enhanced using SRTM 3 as DEM to provide visual and map output reference for HydroShed data of Africa. SRTM is Shuttle Radar Topography Mission; DEM is Digital Elevation Model;. The AF_ETM-SHD image data layer is comprised of 37221x45583 derivative image satellite based imagery features derived based on 0.0020833333_ data originally from ETM+ Browse.

ETM+ based natural-color image mosaic base contrast-lightened for better visual integration with 1:1m scale cartographic vector data. The AF_ETM_BASE image data layer is comprised of 18910x23158 derivative image satellite based imagery features derived based on 465 metre data originally from ETM+ Browse.

Grayscale of ETM+ based natural-color image mosaic baseline enhanced with 2.5d.. The ETM_MOSAIC_HSHD image data layer is comprised of 18899x19509 derivative image hillshade features derived based on 465 metre data originally from ETM+ Browse.