Glacier speed West Antarctica

Glacier speed West Antarctica

Released

08/02/2017 1:17 pm

Copyright

contains modified Copernicus Sentinel data (2016)/CPOM University of Leeds–A. Hogg/University of Edinburgh–N. Gourmelen, CC BY-SA 3.0 IGO

Description

This image from Sentinel-1 and geographic base map shows the speed of ice flow in West Antarctica. Reaching speeds of over 3 km per year, Thwaites and Pine Island are two of the fastest receding glaciers on the Western Antarctic Ice Sheet. Applying interferometric synthetic aperture swath processing techniques to CryoSat data revealed that four lakes beneath Thwaites drained into the Amundsen Sea.

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