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NASA Satellite Survey Reveals Dramatic Arctic Sea Ice Thinning

16 Juillet 2009 , Rédigé par JMB Publié dans #Actualités-News

Arctic sea ice thinned dramatically between the winters of 2004 and 2008, with thin seasonal ice replacing thick older ice as the dominant type for the first time on record. The new results, based on data from a NASA Earth-orbiting spacecraft, provide further evidence for the rapid, ongoing transformation of the Arctic's ice cover.

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NASA's Ice, Cloud and land Elevation Satellite, known as ICESat measurements of the distribution of winter sea ice thickness over the Arctic Ocean between 2004 and 2008, along with the corresponding trends in overall, multi-year and first-year winter ice thickness. (Credit: Ron Kwok, NASA/JPL)
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