A Burst of Subglacial Water Cracked the Greenland Ice Sheet
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2 Articles
A Burst of Subglacial Water Cracked the Greenland Ice Sheet
Greenland, despite its name, is largely blanketed in ice. And beneath that white expanse lies a world of hidden lakes. Researchers have now used satellite observations to infer that one such subglacial lake recently burst through the surface of the Greenland Ice Sheet, an unexpected and unprecedented event. By connecting this outburst with changes in the velocity and calving of a nearby glacier, the researchers helped to unravel how subglacial l…
For AstroGeo we regularly research a whole story. Only if you support us financially will the podcast remain free of charge. Thank you! On 22 July 2014 the European satellite Cryosat flies over the north of Greenland once, and ten days later a second time. It misses the ice surface – and in these data researchers will find something amazing later: the glacier has sunk in just ten days at 85 meters – and this on an area of two square kilometers. …
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