![](https://webarchive.library.unt.edu/eot2008/20081106072621im_/http://nsf.gov/images/x.gif) News From the Field Lakes of Meltwater Can Crack Greenland's Ice and Contribute to Faster Ice Sheet Flow
![](https://webarchive.library.unt.edu/eot2008/20081106072621im_/http://nsf.gov/images/greenlineshort.jpg)
April 17, 2008
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Researchers have for the first time documented the sudden and complete drainage of a lake of meltwater from the top of the Greenland ice sheet to its base. From those observations, scientists have uncovered a plumbing system for the ice sheet, where meltwater can penetrate thick, cold ice and accelerate some of the large-scale summer movements of the ice sheet.
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Source Woods Hole Oceanographic Institution
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