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+ - Arctic to be ice-free within FIVE years, not 40

Submitted by OriginalArlen
OriginalArlen (726444) writes "The BBC is reporting new research into Arctic warming to be presented at the fall American Geophysical Union meeting which describes current models of arctic sea-ice response to warming as far too conservative. The work predicts that albedo feedback, together with a greater heat input from warmer ocean currents, will lead to ice-free summers as early as 2013. This would go a long way to explaining the dramatic and accelerating loss of sea-ice in the summer of 2007, which is merely the latest in a progressively widening gap between modeled and actual sea-ice loss (as well as presenting a nicely testable short-range prediction.)

Whilst sea-ice obviously doesn't raise the sea level when it melts, a similar runaway feedback that lead to significant reductions in the Greenland or Antarctica ice sheets would cause a 6-7m sea-level rise, indisputably catastrophic for human society as well as the polar bears."
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Arctic to be ice-free within FIVE years, not 40

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Somebody ought to cross ball point pens with coat hangers so that the pens will multiply instead of disappear.

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