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Thaw of Earth's icy sunshade may stoke warming http://apocadocs.com/s.pl?1295270335
Shrinking ice and snow cover in the Northern Hemisphere is reflecting ever less sunshine back into space in a previously underestimated mechanism that could add to global warming, a study showed.
Satellite data indicated that Arctic sea ice, glaciers, winter snow and Greenland's ice were bouncing less energy back to space from 1979 to 2008. The dwindling white sunshade exposes ground or water, both of which are darker and absorb more heat.... "This reduction in reflected solar energy through warming is greater than simulated by the current crop of climate models," he said of the findings by a team of U.S.-based researchers and published in the journal Nature Geoscience Sunday.
"The conclusion is that the cryosphere (areas of ice and snow) is both responding more sensitively to, and also driving, stronger climate change than thought," he said.
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[Read more stories about:
albedo effect, feedback loop, melting glaciers, arctic meltdown]
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'Doc Jim says:
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See? That shows that those climate models are wrong.
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