MEaSUREs Greenland Quarterly Ice Sheet Velocity Mosaics from SAR and Landsat V004

This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, contains quarterly (three-month interval) ice velocity mosaics for the Greenland Ice Sheet. This product is derived from Synthetic Aperture Radar (SAR) data obtained by the German Aerospace Center's (DLR) TerraSAR-X/TanDEM-X (TSX/TDX), by the European Space Agency's (ESA) Copernicus Sentinel-1A and -1B satellites, and from the US Geological Survey's (USGS) Landsat 8 optical imagery. See <a href="https://nsidc.org/grimp">Greenland Ice Mapping Project (GrIMP)</a> for related data.