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New Clues to Greenland's Hidden Plumbing

2013-08-15 20:47:00| Climate Ark Climate Change & Global Warming Newsfeed

LiveScience: What happens under Greenland's ice sheet, where water, ice and rock meet, is key to predicting how its glaciers will react to global warming. Turns out, beneath the island's mysterious middle, where the ice is thick and the bottom bedrock difficult to reach, meltwater flows through channels and voids that open when flowing ice travels over rough ground, a new study finds. The passageways are spaces between the rock and the overlying ice. The results, based on computer modeling and fieldwork observations...

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