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Wilkins Ice Shelf hanging by its last thread

10 July 2008

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The Wilkins Ice Shelf is experiencing further disintegration. This animation, comprised of images acquired by Envisat’s Advanced Synthetic Aperture Radar (ASAR) between 30 May and 9 July 2008, shows the break-up event which began on 28 June on the east (right) rather than the on west (left) like the previous event that occurred last month. By 8 July, a fracture that could open the ice bridge was visible.

Credits: ESA

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Annotated image of Wilkins Ice Shelf acquired on 9 July 2008 by Envisat's ASAR instrument, showing the ice bridge connecting to Charcot Island and Latady Island (bottom left). A new fracture that could open the ice bridge is visible at the bottom of the ice bridge.

Credits: ESA

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This image of the Wilkins Ice Shelf was acquired on 13 January 1992 using ERS-1's SAR instrument. Shades of grey have been assigned to backscatter values, white indicates no backscatter, black indicates high backscatter.

Credits: ESA

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Break-ups of Larsen-B and Wilkins ice shelves

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Map showing break-up events of Larsen-B and Wilkins ice shelves, as observed by Envisat, in Antarctica.

Credits: ESA