31 Mar '17, 2pm

Greenland's Coastal Glaciers Rapidly Withering Away

The find is important because it reveals exactly why the most vulnerable parts of Greenland ice are melting so quickly: the deep snow layer that normally captures coastal meltwater was filled to capacity in 1997. That layer of snow and meltwater has since frozen solid, so that all new meltwater flows over it and out to sea. Though these findings are bad news, the researchers said there is no "immediate cause for panic." The Greenland Ice Sheet —the second largest ice cache in the world—is relatively intact. Associate professor at Ohio State, and co-author of the study Ian Howat, said the outer layers of ice contribute a small portion to the greater sheet, and that their melting may even be ephemeral, or seasonal to some degree. "Since this 'tipping point' was reached in the late 90's before warming really took off, it indicates that these peripheral glaciers are very sensi...

Full article: http://www.ecowatch.com/greenland-coastal-glaciers-meltin...

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