Climate Change

Anthropogenic de-icing on a grand scale

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Science  05 Sep 2014:
Vol. 345, Issue 6201, pp. 1132
DOI: 10.1126/science.345.6201.1132-c

The Greenland ice sheet has been losing mass at increasingly rapid rates over the past several decades, as expected due to climate warming, but it is difficult to tell whether that loss is a result of human forcing. Fyke et al. examine how that can be done, using a coupled ice sheet/climate model. They find that anthropogenic warming should produce a bimodal pattern of melting between the interior and the coast and suggest that such a pattern is already emerging. They also suggest that a well-studied location, the Greenland Ice Sheet summit region, may be an ideal place to monitor the pace of climate change.

Geophys. Res. Lett. 10.1002/2014GL060735 (2014).

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