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Antarctic ice sheet melting could raise sea levels by 20% by end of this century: Study


Last Updated:
3rd May, 2021 16:45 IST
Antarctic Ice Sheet Melting Could Raise Sea Levels By 20% By End Of This Century: Study
A new study revealed that global sea levels could rise by 20 per cent by the end of this century owning to the continuous melting of West Antarctic Ice Sheet.
Image: Unsplash
A new study from Harvard researchers revealed that global sea levels could rise by 20 per cent by the end of this century owning to the continuous melting of the West Antarctic Ice Sheet. The researchers used new calculations based on what they witnessed along with the ice sheets, which they’ve referred to as a “water expulsion mechanism”.  ....

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Antarctic ice sheet melting to push sea level by 20%


278
New York, May 2
The global sea level rise caused by melting of the West Antarctic Ice Sheet is likely to increase 20 per cent by the end of this century, researchers have warned.
The global sea level rise linked to melting of the West Antarctic Ice Sheet has been significantly underestimated in previous studies, meaning sea level in a warming world will be greater than anticipated, said researchers from Harvard University in the US.
The study, published in the journal Science Advances , made new calculations, referred to as a water expulsion mechanism.
This occurs when the solid bedrock the West Antarctic Ice Sheet sits on rebounds upward as the ice melts and the total weight of the ice sheet decreases. The bedrock sits below sea level so when it lifts, it pushes water from the surrounding area into the ocean, adding to global sea level rise. ....

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