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Deshielo de la Antártida elevará el nivel del mar un 30% más de lo previsto

Deshielo de la Antártida elevará el nivel del mar un 30% más de lo previsto
launion.com.mx - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from launion.com.mx Daily Mail and Mail on Sunday newspapers.

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Study: Antarctic ice-sheet melting has been underestimated

Study: Antarctic ice-sheet melting has been underestimated
By
Zarrin Ahmed
Researchers say the potential collapse of the West Antarctic ice sheet has been underestimated. Photo by Michael Weber
April 30 (UPI) The possible collapse of the West Antarctic Ice Sheet, which has been associated with global sea-level rise, has been significantly underestimated, according to a new study from Harvard researchers.
The report, published Friday in Science Advances, demonstrates that the sea level rise in a warming world could be greater than anticipated.
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The study focuses on new calculations for a water expulsion mechanism of the ice sheet. This occurs when the solid bedrock of the sheet sits below sea level, lifts up as ice melts and pushes water from the surrounding area into the ocean. ....

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Sea Levels Could Rise Even More Than Feared As Antarctic Ice Sheet Melts

Sea Levels Could Rise Even More Than Feared As Antarctic Ice Sheet Melts
forbes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from forbes.com Daily Mail and Mail on Sunday newspapers.

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Antarctic ice-sheet melting to lift sea level higher than thought, Harvard study says

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Credit: Michael Weber
Global sea level rise associated with the possible collapse 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, according to a new study from Harvard researchers.
The report, published in
Science Advances, features new calculations for what researchers refer 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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Sea levels could rise by 13ft if West Antarctica Ice Sheet collapses

Over 1,000 years sea levels could rise by 10ft if the Antarctic ice sheet melts
Researchers monitored the movement of bedrock in the Earth s mantle layer
They found that slow moving bedrock would push more water into the ocean
This would happen as the ice melted causing bedrock under the ice to bounce
This process would add another 3ft on to global sea level increases by 3020 ....

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