The Greenland ice sheet was first crossed in 1888 in a perilous foot journey led by the Norwegian explorer Fridtjof Nansen. Today it is scary for different reasons: Its rapid melting is a symbol of global warming. On Wednesday, NASA will start flying a C-130 research aircraft across the sheet, “to measure changes in the height of the Greenland ice sheet and surrounding Arctic sea ice produced by a single season of summer melt.” Studies in recent years have found worrisome melt levels.
Posted on: Tue, 05 Nov 2013 12:45:15 +0000
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