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Top climatologist forecasts swift ice cap collapse - New Scientist

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  • Pat Neuman
    Top climatologist forecasts swift ice cap collapse 04 February 2006 From New Scientist Print Edition. Explore: earth THE Greenland ice cap could collapse many
    Message 1 of 1 , Feb 7, 2006
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      Top climatologist forecasts swift ice cap collapse
      04 February 2006
      From New Scientist Print Edition.

      Explore: earth
      THE Greenland ice cap could collapse many times faster than
      forecast, the US government's top climate modeller has warned.

      On Monday, the UK government released a report saying that climate
      change was close to a "tipping point" that could trigger the ice
      sheet's collapse over the next thousand years, causing sea level to
      rise by seven metres worldwide. It suggests that the melting would
      follow a wave of warmth pushing through the 3-kilometre thick ice.

      In a recent interview with New Scientist, Jim Hansen, the director
      of NASA's Goddard Institute for Space Studies, said the collapse of
      the ice sheet could be "explosively rapid", with sea levels
      rising "a couple of metres this century, and several more next
      century".

      Hansen, who last week claimed that NASA was trying to gag him from
      making such predictions, says scientists have already spotted
      meltwater pouring down crevasses to the bottom of the ice sheet,
      where it could provide lubrication for huge swathes of ice to slip
      into the ocean.

      From issue 2537 of New Scientist magazine, 04 February 2006, page 7

      http://www.newscientist.com/channel/earth/mg18925373.900-top-
      climatologist-forecasts-swift-ice-cap-collapse.html
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