Last updated on April 23, 2014 at 15:23 EDT
Greenland Glacial Elevation Change 2003-2006
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Greenland Glacial Elevation Change, 2003-2006

November 6, 2013
This image of Greenland shows the changes in elevation over the Greenland ice sheet between 2003 and 2006. Gray areas indicate no change in elevation. The white regions indicate a slight thickening, while the blue and purple shades indicate a thinning of the ice sheet. Credit: NASA