An ice shelf the size of New York City has collapsed in East Antarctica, an area long thought to be stable and not hit much by climate change, concerned scientists said Friday.
The collapse, captured by satellite images, marked the first time in human history that the frigid region had an ice shelf collapse.
The ice shelf, about 460 square miles wide holding in the Conger and Glenzer glaciers from the warmer water, collapsed between March 14 and 16, said ice scientist Catherine Walker of the Woods Hole Oceanographic Institute.“The Glenzer Conger ice shelf presumably had been there for thousands of years and it’s not ever going to be there again,” said University of Minnesota ice scientist Peter Neff.
It’s more than five times the ice in the more vulnerable West Antarctic Ice Sheet, where scientists have concentrated much of their research. Then in 2020, the shelf’s ice loss sped up to losing about half of itself every month or so, Walker said.
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Ice shelf size of NYC collapses in previously stable East Antarctica'East Antarctica is starting to change. There is mass loss starting to happen,' Fricker said. 'We need to know how stable each one of the ice shelves are because once one disappears' it means glaciers melt into the warming water and 'some of that water will come to San Diego and elsewhere.'
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