In 1940 scientists reported 10 degrees Arctic warming, and a reduction in polar ice thickness.
In 2000, climate scientists a similar warming and ice loss, indicating that Arctic climate is cyclical.
August 29, 2000
The end of the cold war, for instance, has brought to light important sonar measurements of Arctic ice collected by United States Navy submarines. They are being analyzed by Dr. Drew Rothrock at the Applied Physics Laboratory of the University of Washington in Seattle. By comparing measurements of ice thickness between 1958 and 1976 with data from 1993 and 1997, he determined that the thickness had decreased from 10.2 feet in the early period to 5.9 feet in the 1990’s.
In reporting that parts of Alaska and northern Eurasia had warmed by…
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