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Loss of Arctic sea ice '70 percent man-made' http://apocadocs.com/s.pl?1343270770
The radical decline in sea ice around the Arctic is at least 70 percent due to human-induced climate change, according to a new study, and may even be up to 95 percent down to humans - rather higher than scientists had previously thought....
He found that a climate system called the Atlantic multi-decadal oscillation (AMO) was a dominant source of variability in ice extent. The AMO is a cycle of warming and cooling in the North Atlantic that repeats every 65 to 80 years - it has been in a warming phase since the mid-1970s....
"We could only attribute as much as 30 percent [of the Arctic ice loss] to the AMO," he said. "Which implies that the rest is due to something else, and this is most likely going to be man-made global change."
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[Read more stories about:
arctic meltdown, unintended consequences, faster than expected]
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'Doc Michael says:
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Thank goodness 30 percent is well within the "natural variation" meme.
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