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Nature
Greenland glacier loses ice | Earth | EarthSky - An ice island twice the size of Manhattan has broken off from Greenland’s Petermann Glacier, according to researchers at the University of Delaware and the Canadian Ice Service. The Petermann Glacier is one of the two largest glaciers left in Greenland connecting the great Greenland ice sheet with the ocean via a floating ice shelf. The Greenland ice sheet as a whole is shrinking, melting and reducing in size as the result of globally changing air and ocean temperatures and associated changes in circulation patterns in both the ocean and atmosphere. Northwest Greenland and northeast Canada are warming more than five times faster than the rest of the world, but the observed warming is not proof that the diminishing ice shelf is caused by this, because air temperatures have little effect on this glacier; ocean temperatures do, and our ocean temperature time series are only five to eight years long — too short to establish a robust warming signal.
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Roddy Wrote the following on 07/21/2012 9:47 PM :
Glaciers calve because they are growing, not shrinking. Snow falls in the mountains, moves in slow motion downhill, and eventually break off in the sea because they they are no longer supported by the land. Of course the Globing Warming Believers don't allow the facts to get in the way of their religion.


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