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Sentinels monitor converging ice cracks

14 March 2019

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The Copernicus Sentinel-1 radar mission shows how cracks cutting across Antarctica's Brunt ice shelf are on course to truncate the shelf and release an iceberg about the size of Greater London – it's just a matter of time.

The Brunt ice shelf is an area of floating ice bordering the Coats Land coast in the Weddell Sea sector of Antarctica.

Using radar images from the Copernicus Sentinel-1 mission the animation shows two lengthening fractures: a large chasm running northwards and a split, dubbed Halloween Crack, that has been extending eastwards since October 2016. They are now only separated by a few kilometres.

Source: ESA

Image credit: contains modified Copernicus Sentinel-2 data (2019), courtesy Stef l'Hermitte TU Delft - Changing location of Brunt calving

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