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Global warming blamed for unstable ice shelf in Antarctica http://apocadocs.com/s.pl?1241110761
The images from the European Space Agency (ESA) revealed that an estimated 700 square kilometres of the Wilkins Ice Shelf have been lost, with satellite data last week showing the first icebergs had started to calve off its northern front.
The indications that the ice shelf has become unstable follow the collapse three weeks ago of the ice bridge between the Antarctic mainland and Charcot Island, with the loss of around 330 square kilometres of ice. The collapse of the bridge, which had held back the northern front of the shelf, resulted in existing rifts in the shelf's ice widening and new cracks forming, according to scientists.
It is expected the ice will continue to be lost from the "fragile and vulnerable" shelf over the coming weeks.
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