5 Km Antarctica and Greenland DEMs from Geosat and ERS-1 Introduction The Cryosphere Lab at NASA/GSFC has processed satellite radar and aircraft laser altimetry over the continental ice sheets and surrounding sea ice to calculate surface elevations. Derived Products Antarctic Mass Balance 1992 - 2016 Greenland Mass Balance 2003 - 2007 Antarctic and Greenland Drainage Systems ICESat Elevations and Slope Grids Antarctic Ice Velocity Maps Publications
