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Posted Thu Dec 18 2008: from
BBC:
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Changes 'amplify Arctic warming' http://apocadocs.com/s.pl?1229565187
...Theory predicts that as ice is lost in the Arctic, more of the ocean's surface will be exposed to solar radiation and will warm up.
When the autumn comes and the Sun goes down on the Arctic, that warmth should be released back into the atmosphere, delaying the fall in air temperatures.
Ultimately, this feedback process should result in Arctic temperatures rising faster than the global mean.
Dr [Julienne] Stroeve and colleagues have now analysed Arctic autumn (September, October, November) air temperatures for the period 2004-2008 and compared them to the long term average (1979 to 2008).
The results, they believe, are evidence of the predicted amplification effect.
"You see this large warming over the Arctic ocean of around 3C in these last four years compared to the long-term mean," explained Dr Stroeve.
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[Read more stories about:
arctic meltdown, feedback loop, global warming, faster than expected, holyshit]
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