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It’s all go in summer for Greenland’s glaciers

13 July 2018

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The Copernicus Sentinel-1 mission has revealed that, on average, Greenland's glaciers are now flowing more slowly into the Arctic Ocean. While glacial flow may have slowed overall, in summer glaciers flow 25% faster than they do in the winter.

While the general flow has reduced in recent years, during the summer it speeds up, with glaciers flowing up to 25% faster than in the winter.

A paper published recently in The Cryosphere details research led by the UK's Centre for Polar Observation and Modelling (CPOM) where the Copernicus Sentinel-1 mission was used to track Greenland's four main glaciers: Jakobshavn Isbrae, Petermann, Nioghalvfjerdsfjorden and Zachariae Isstrom between 2014 and 2017.

Source: ESA

Image credit: contains modified Copernicus Sentinel data (2014–17), processed by CPOM - Jakobshavn Isbrae ice flow

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