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Past sea level rise – how long is a geological instant?

August 19, 2013

A study finds that, in the epoch preceding the most recent ice age, an abrupt second jump of 17 feet  in sea level occurred. Researchers suggest this is likely explained by a catastrophic collapse of a polar ice sheet. How quickly this  collapse happened is uncertain but has major implications for how humans (and other animals) cope with possible future change of such magnitude.

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