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 Post subject: Ancient ice shelf snaps, breaks free from Canadian Arctic
PostPosted: Fri Dec 29, 2006 10:53 am 
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Ancient ice shelf snaps, breaks free from Canadian Arctic
December 29, 2006

Story Highlights•
Scientist: "Disturbing event" shows "we are crossing climate thresholds"
• Researchers using satellite images discovered 2005 event


TORONTO, Ontario (AP) -- A giant ice shelf the size of 11,000 football fields has snapped free from Canada's Arctic, scientists said.

The mass of ice broke clear 16 months ago from the coast of Ellesmere Island, about 800 kilometers (497 miles) south of the North Pole, but no one was present to see it in Canada's remote north.

Scientists using satellite images later noticed that it became a newly formed ice island in just an hour and left a trail of icy boulders floating in its wake. (Watch the satellite images that clued in ice watchers)

Warwick Vincent of Laval University, who studies Arctic conditions, traveled to the newly formed ice island and could not believe what he saw.


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