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Greenland's ice sheet is mapped in a combined dataset featuring a detailed synthetic aperture radar (SAR) image mosaic and a digital elevation model. The SAR mosaic, derived from ERS-1 satellite swaths acquired in August 1992, shows surface melt features like ice lenses, meltwater channels, and the ice edge. This dataset was assembled by NASA's Jet Propulsion Laboratory and Goddard Space Flight Center to serve as a reference baseline for detecting future changes in the ice sheet.
License is specified for research use only by individuals and non-profit organizations; commercial use is restricted. The mosaic is a derived product based on copyrighted ESA imagery.