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Article: Permanent Arctic ice isn't.
- Article from:
- Manufacturing & Technology News
- Article date:
- October 17, 2007
CopyrightCOPYRIGHT 2007 Publishers & Producers. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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NASA scientists have found a 23 percent loss in the Arctic's thick, year-round sea ice during the past two winters. "This drastic reduction of perennial winter sea ice is the primary cause of this summer's fastest-ever sea ice retreat on record and subsequent smallest-ever extent of total Arctic coverage," says NASA. Between the winters of 2005 and 2007, the thicker, perennial ice shrunk by an area the size of Texas and California combined, according to scientists from the Jet Propulsion Lab in Pasadena, Calif. "This severe loss continues a trend of rapid decreases in perennial ice extent in this decade."
Scientists observed less perennial ice cover in March 2007 ...