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Ice sheets can retreat 'in a geologic instant,' study of prehistoric glacier shows http://apocadocs.com/s.pl?1245689847
Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists at the University at Buffalo.
The paper, published on June 21 in Nature Geoscience, describes fieldwork demonstrating that a prehistoric glacier in the Canadian Arctic rapidly retreated in just a few hundred years.
The proof of such rapid retreat of ice sheets provides one of the few explicit confirmations that this phenomenon occurs.
Should the same conditions recur today, which the UB scientists say is very possible, they would result in sharply rising global sea levels, which would threaten coastal populations.
"A lot of glaciers in Antarctica and Greenland are characteristic of the one we studied in the Canadian Arctic," said Jason Briner, Ph.D., assistant professor of geology in the UB College of Arts and Sciences and lead author on the paper. "Based on our findings, they, too, could retreat in a geologic instant."
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[Read more stories about:
arctic meltdown, rising sea level, melting glaciers]
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And that studied glacier didn't even have coal plant spewage to deal with!
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