Oh noes! Model says: Sea-Level rise from Antarctic ice sheet could double

Watts Up With That?

And a bunch of volcanoes could erupt, and a Carrington type solar flare event could happen, and an asteroid could hit the Earth. I worry about these far more than Antarctica.

From Penn State climate modeling via Eurekalert:

An ice sheet model that includes previously underappreciated processes indicates that sea level may rise almost 50 feet by 2500 due to Antarctic ice sheet melting if greenhouse gas emissions continue unabated, according to researchers from Penn State and University of Massachusetts, Amherst.

“In this case the atmospheric warming will soon become the dominant driver of ice loss, but prolonged ocean warming will delay the recovery for thousands of years,” the researchers report in today’s (Mar. 31) issue of Nature.

Antarctica was the primary contributor to sea level rise in the past and may be the primary contributor in the future because much of its ice sits on ground. Floating ice…

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