What Global Warming??
updated 8:25 p.m. EDT, Tue September 23, 2008
Polar bears resort to cannibalism as Arctic ice shrinks
By Marsha Walton
CNN
(CNN) — Summer is over in the northern hemisphere, but it’s been another chilling season for researchers who study Arctic sea ice.
Disappearance of Arctic ice cover may affect storm systems, storm tracks and crops, according to researchers.
“It’s definitely a bad report. We did pick up little bit from last year, but this is over 30 percent below what used to be normal,” said Walt Meier, a research scientist with the National Snow and Ice Data Center in Boulder, Colorado.
This past summer, the Arctic sea ice dwindled to its second lowest level. Arctic sea ice is usually 1 to 3 meters, or as much as 9 feet thick. It grows during autumn and winter and shrinks in the spring and summer.
Scientists have monitored sea ice conditions for about 50 years with the help of satellites. Changes in the past decade have been alarming to climate researchers and oceanographers.
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