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Thread: Arctic melt 20 years ahead of climate models (NewScientist)

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    Drew Wilson's Avatar

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    Arctic melt 20 years ahead of climate models (NewScientist)

    Though scientists tend to agree that summer ice at the North Pole will eventually disappear, they haven't settled on a date. And one group now claims to have evidence that Santa may have to start swimming much sooner than we thought.

    US researchers claim to have found evidence that accelerated melting has crossed a "tipping point" from which there is no going back.

    The amount of summer ice at the North Pole has steadily declined since 1979, according to satellite images. Computer models predict that this trend will continue, leaving the Arctic completely ice-free during the summersMovie Camera as early as 2030.

    In 2007, though, the ice surprised everyone by contracting far more rapidly than the models predicted. A particularly warm summer left only 4.28 million square kilometres by September - a record 23% below the previous minimum.

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    Via BoingBoing

    On the opposite side of the coin of a previous science posting.

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    Mels_Smileys45's Avatar

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    The other report dealt with the new ice coverage and totally ignored the old ice. The ice that has been there 10,000 years that is gone now. Yes, the fresh, yearly ice will come and go as it always has so the other reports was basically useless. Anyone who thinks about it for five seconds could figure that out.




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