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15 June 2010
Sharp Decrease in May Arctic Sea Ice Cover
May saw a sharp decrease in Arctic sea ice cover, based on satellite observations. The average ice cover for the month was about 13 million square kilometers, 500,000 square kilometers less than the 30-year average. The rate of icemelt averaged 46,000 kilometers per day, the fastest rate recorded. The graph above indicates the area of Arctic sea ice is now below two standard deviations of the mean ice coverage observed …