2006-09-14 | SCIENCE
NASA Sees Rapid Changes in Arctic Sea Ice
NASA data show that Arctic perennial sea ice, which normally survives the summer melt season and remains year-round, shrunk abruptly by 14 percent between 2004 and 2005. According to researchers, the loss of perennial ice in the East Arctic Ocean was even higher, nearing 50 percent during that time as some of the ice moved from the East Arctic to the West. The decrease in the perennial ice raises the possibility that Arctic sea ice will retreat to another record low extent this year.
Sea ice is an indicator of changing water, air and sea surface temperatures. Monitoring water, air and sea surface temperatures can give scientists an insight into drivers and effects of ecosystem change on Earth.
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from NASA - JPL, Sep 14, 2006
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