Tags: antarctica | ice shelf | crack | calving

Antarctica Ice Shelf Crack Close to Breaking Off, Scientists Say

Image: Antarctica Ice Shelf Crack Close to Breaking Off, Scientists Say
An oblique view of a massive rift in the Antarctic Peninsula's Larsen C ice shelf is shown in this Nov. 10, 2016, photo taken by scientists on NASA's IceBridge mission in Antarctica. (John Sonntag/NASA/Handout via Reuters)

Friday, 02 Jun 2017 05:52 AM

Scientists say a crack along a key floating ice shelf in Antarctica indicates that a vast iceberg is close to breaking off.

The process, known as calving, happens periodically but researchers are watching closely to see whether climate change is affecting the phenomenon.

Scientists at the University of Swansea in Britain said Thursday the rift in the Larsen C ice shelf grew by 17 kilometers (10.6 miles) in six days.

They say the break, when it comes, could produce one of the largest icebergs ever recorded.

University of Colorado scientist Ted Scambos says the shelf appears to be breaking further back than previously recorded calvings.

Scambos adds that "this berg is telling us something has changed, and not for the better. For now, though, the ice shelf will barely notice."

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Scientists say a crack along a key floating ice shelf in Antarctica indicates that a vast iceberg is close to breaking off.
antarctica, ice shelf, crack, calving
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2017-52-02
Friday, 02 Jun 2017 05:52 AM
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