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Antarctic Ice Shelf Collapsing
Collapse of the ice bridge supporting Wilkins Ice Shelf appears imminent
3 April 2009 The
Wilkins Ice Shelf is at risk of partly breaking away from the Antarctic
Peninsula as the ice bridge that connects it to Charcot and Latady
Islands looks set to collapse. The beginning of what appears to be the
demise of the ice bridge began this week when new rifts forming along
its centre axis resulted in a large block of ice breaking away.
The Advanced Synthetic Aperture Radar (ASAR) images acquired on 2 April
by ESA’s Envisat satellite confirm that the rifts are quickly expanding
along the ice bridge.
Dr Angelika Humbert from the Institute of Geophysics, Münster
University, and Dr Matthias Braun from the Center for Remote Sensing,
University of Bonn, witnessed the recent development during their daily
monitoring activities of the ice sheet using data from Envisat and the
German Aerospace Center’s TerraSAR-X satellite.
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