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The FINANCIAL - Antarctic Ice Sheet melting to lift sea level higher than thought, study says


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The FINANCIAL New calculations show the rise due to warming would be 30% above forecasts, according to Harvard University. Global sea-level rise associated with the possible collapse of the West Antarctic Ice Sheet has been significantly underestimated in previous studies, meaning the 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. ....

United States , Jerryx Mitrovica , Linda Pan , Frankb Baird Jr , Evelyn Powell , Department Of Earth , National Science Foundation , Natural Sciences , Planetary Sciences , Engineering Research Council , Harvard University , Friedman Challenge For Scientific Research , American Chemical Society Petroleum Research Fund , Canada Research , Catherinet Macarthur Foundation , West Antarctic Ice Sheet , Science Advances , West Antarctica , Star Friedman Challenge , Scientific Research , Arthur Foundation , Canada Research Chair , Fonds De Recherche , New Calculations Show The Rise Due To Warming Would Be 30 Above Forecasts , Ccording To Harvard University Global Sea Level Rise Associated With The Possible Collapse Of West Antarctic Ice Sheet Has Been Significantly Underestimated In Previous Studies , Eaning The Sea Level Ina Warming World Will Be Greater Than Anticipated ,

Harvard study: Ice sheet collapse in Antarctic would result in more sea level rise than expected


Harvard study: Ice sheet collapse in Antarctic would result in more sea level rise than expected
Charlie McKenna
© AP
This undated handout photo provided by NASA shows the Thwaites Glacier in West Antarctic.
The global sea level will rise higher than previously expected if the West Antarctic Ice Sheet collapses, according to a new study from Harvard researchers.
The study, published in the journal Scientific Advances on April 28, was led by graduate students Linda Pan and Evelyn Powell.
Pan and Powell found the ocean level would rise an additional meter, or about 3 feet, higher than previously predicted over the next 1,000 years if the ice sheet collapses entirely. ....

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