The research is the first to model the effects of warm water underneath Antarctica's western ice sheets.
A study published Monday finds parts of Antarctica's ice shelves are expected to melt in the coming years, now matter how much progress is made to slash greenhouse emissions and mitigate global warming.
The new research investigated what would happen to the critical ice shelves that protect the Antarctic interior from the surrounding ocean. If these shelves melt, glaciers further inland stand to eventually melt and slide into the ocean. "Our simulations suggest that we are now committed to the rapid increase in the rate of ocean warming and ice shelf melting over the rest of the century," said lead author Kaitlin Naughten, an oceanographer at the British Antarctic Survey.The study doesn't measure how much ice might melt, or how quickly, or what effect it may have on sea levels.
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West Antarctic Ice Sheet collapse may be unavoidable, study findsEvan Bush is a science reporter for NBC News. He can be reached at Evan.Bushnbcuni.com.
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Antarctica’s Alarming Ice Retreat: A 25-Year Study Reveals Significant LossesScience, Space and Technology News 2023
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Study: Antarctic ice shelf will collapse no matter what we doNaughten’s study concentrated on the part of the West Antarctic Ice Sheet that is most at risk from melting from below, near the Amundsen Sea. It includes the massive Thwaites ice shelf that …
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Study Warns Even With Emissions Cuts, West Antarctic Ice Sheet Melt 'Unavoidable''It looks like we've lost control of melting of the West Antarctic Ice Sheet,' said one author. 'The bright side is that by recognizing this situation in advance, the world will have more time to adapt to the sea-level rise that's coming.'
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Extensive melting of West Antarctic ice sheet now looks unavoidableOcean modelling suggests coastal cities around the world need to start preparing for several metres of sea level rise over the coming centuries
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Increased West Antarctic ice sheet melting 'unavoidable,' say scientistsScientists ran simulations on the UK's national supercomputer to investigate ocean-driven melting of the West Antarctic ice sheet: how much is unavoidable and must be adapted to, and how much melting the international community still has control over through reduction of greenhouse gas emissions.
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