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Contact: Sandra Hines
shines@u.washington.edu
206-543-2580
University of Washington
Caption: Meltwater carves two troughs, each roughly 20 feet deep, in the Greenland Ice Sheet before disappearing into a moulin, a conduit that carries the meltwater through more than half a mile of ice. Meltwater that reaches bedrock can increase the speed at which the ice is moving, a contribution that is more pronounced under the Greenland Ice sheet than under Greenland's faster-moving outlet glaciers, new research in Science Express says.
Credit: I. Joughin/UW Polar Science Center
Usage Restrictions: Photo credit required
Related news release: While stability far from assured, Greenland perhaps not headed down too slippery a slope
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