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User ID: 127474 United States 09/13/2006 10:20 PM Report Abusive Post Report Copyright Violation | Arctic ice melting rapidly, study says [ link to news.yahoo.com] Arctic ice melting rapidly, study says By SETH BORENSTEIN, AP Science Writer Arctic sea ice in winter is melting far faster than before, two new NASA studies reported Wednesday, a new and alarming trend that researchers say threatens the ocean's delicate ecosystem. Scientists point to the sudden and rapid melting as a sure sign of man-made global warming. "It has never occurred before in the past," said NASA senior research scientist Josefino Comiso in a phone interview. "It is alarming... This winter ice provides the kind of evidence that it is indeed associated with the greenhouse effect." Scientists have long worried about melting Arcticsea ice in the summer, but they had not seen a big winter drop in sea ice, even though they expected it. For more than 25 years Arctic sea ice has slowly diminished in winter by about 1.5 percent per decade. But in the past two years the melting has occurred at rates 10 to 15 times faster. From 2004 to 2005, the amount of ice dropped 2.3 percent; and over the past year, it's declined by another 1.9 percent, according to Comiso. ___ On the Net: [ link to www.nasa.gov] Last Edited by Account Deleted by User on 12/21/2011 05:02 PM |
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