The flow of ice into the sea would probably raise sea levels about 10 feet rather than 20 feet, according to the analysis, published in the May 15 issue of the journal Science.
The scientists also predicted that seas would rise unevenly, with an additional 1.5-foot increase in levels along the east and west coasts of North America. That is because the shift in a huge mass of ice away from the South Pole would subtly change the strength of gravity locally and the rotation of the Earth, the authors said.
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