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Figure 21. Percentage of ice-sheet melt derived from MODerate-resolution Imaging Spectroradiometer (MODIS) images and data on MASs CONcentration (mascon) derived from the Gravity Recovery and Climate Experiment (GRACE) for the entire Greenland ice sheet, for the 3-year trend July 2003 through July 2006. Signals from Earth and ocean tide and atmospheric mass have been removed. Modified from Hall and others (2008, p. 10, fig. 11). |