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Arctic Sea Ice Decline

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Uploaded by on Jun 12, 2008

In 2007, sea ice broke all prior satellite records, reaching a record low a month before the end of melt season. Through 2007, the September decline trend is now over 10 percent per decade.
In recent years, satellite data have indicated an even more dramatic reduction in regional ice cover. In September 2002, sea ice in the Arctic reached a record minimum,4 percent lower than any previous September since 1978, and 14 percent lower than the 1979-2000 mean. In the past, a low ice year would be followed by a rebound to near-normal conditions, but 2002 was followed by two more low-ice years, both of which almost matched the 2002 record. Taking these three years into account, the September ice extent trend for 1979-2004 declined by 7.7 percent per decade. The year 2005 set a new record, dropping the estimated decline in end-of-summer Arctic sea ice to approximately 8 percent per decade. Although sea ice did not set a new record low in 2006, it did fall below normal for the fifth consecutive year. .
National Snow and Ice Data Center

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Science & Technology

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All Comments (7)

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  • Bush did this!

  • Thank you for posting this. Having lived up in Alaska, I have experienced this issue first hand.

    Paul

  • Frightening!

  • Bravissimo una descrizione che fa davvero pensare!!!

    Ciao da Luciano!!!

  • that what they see all serious, except that I think it is too late to stop the fuse lit, you can 'only know what happens, but it is too late, climate cyclones and other disasters are just a tip dll'haisberg, expect 50 years of disasters, then you will see '

    5 star video

  • The record loss of sea ice in the Arctic sea ice means that the northern hemisphere may have crossed a critical threshold beyond which the climate may never recover. The Arctic may now have entered an irreversible phase of warming which will accelerate the loss of the polar sea ice that has helped to keep the climate stable for thousands of years.

  • kool

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