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Vol. 14, No. 16 Week of April 19, 2009
Providing coverage of Alaska and northern Canada's oil and gas industry


Winter ice cover may herald higher melt

Multiyear ice being flushed from the Arctic Ocean in the winter is not being replaced fast enough to prevent summer ice loss

Alan Bailey

Petroleum News

The opening of the Northwest Passage in the past couple of years has provided dramatic evidence of the reduction in Arctic sea ice coverage, with the sea ice minimum extent reaching a record low level in the summer of 2007, and almost dropping to the same level in the following summer. And at the en....

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5.85 million square miles

Multiyear ice

ICEsat satellite

Long-term trends

Arctic warming from aerosol particles

Sulfates, black carbon


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