News
Sep 30, 2008
Warmer sea caused Greenland glacier speed-up
In 1997 the Jakobshavn Isbrae glacier on Greenland’s west coast switched from a regime of slow thickening to rapid thinning. Explanations had ranged from extra meltwater increasing lubrication between the bedrock and the ice, to break-up of the floating ice tongue that helped keep the glacier in place. But now researchers in the US, Canada, Denmark and Greenland have used data taken as part of a fishing study to link the change to a sudden influx of warmer waters.
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