Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says
1 year, 2 months ago

Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says

Associated Press  

No matter how much the world cuts back on carbon emissions, a key and sizable chunk of Antarctica is essentially doomed to an “unavoidable” melt, a new study found. The study in Monday’s journal Nature Climate Change found even if future warming was limited to just a few tenths of a degree more – an international goal that many scientists say is unlikely to be met – it would have “limited power to prevent ocean warming that could lead to the collapse of the West Antarctic Ice Sheet.” “Our main question here was: How much control do we still have over ice shelf melting? That part of Antarctica “is doomed,” said University of California Irvine ice scientist Eric Rignot, who wasn’t part of the study. “The damage has already been done.” University of Colorado ice scientist Ted Scambos, who also wasn’t part of the study, said this ice sheet “eventually is going to collapse. So after 2100, we probably have some control still.’' No matter what words are used, Naughten said she and other scientists studying the area in previous research conclude that this part of Antarctica “couldn’t be saved or a lot of it couldn’t be saved.” Naughten’s study did not calculate how much ice would be lost, how much sea level would rise and at what speed.

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