Video: 2008 Arctic Sea Ice Minimum w/overlay

NASA Goddard Space Flight Center – The continued significant reduction in the extent of the summer sea ice cover is a dramatic illustration of the pronounced impact increased global temperatures are having on the Arctic regions. There has also been a significant reduction in the relative amount of older, thicker ice. Satellite-based passive microwave images of the sea ice cover have provided a reliable tool for continuously monitoring changes in the extent of the Arctic ice cover since 1979. During 2008 the summer minimum ice extent, observed in September, reached 4.7 million km2. While slightly above the record minimum of 4.3 million km2, set just a year earlier in September 2007, the 2008 summer minimum further reinforces the strong negative trend in summertime ice extent observed over the past thirty years.

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