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Sea Change in the Arctic
An oceanful of clues points to climatic warming in the far North
Scientists are trying to determine why the Arctic's summertime sea ice has been retreating.
References:
McPhee, M.G. . . . J.H. Morison, et al. 1998. Freshening of the upper ocean in the Arctic: Is perennial sea ice disappearing? Geophysical Research Letters 25(May 15):1729.
Steele, M., and T. Boyd. 1998. Retreat of the cold halocline layer in the Arctic Ocean. Journal of Geophysical Research 103(May 15):10,419.
Thompson, D.W.J., and J.M. Wallace. 1998. The Arctic oscillation signature in the wintertime geopotential height and temperature fields. Geophysical Research Letters 25(May 1):1297.
Further Readings:
Monastersky, R. 1998. Icy signs of warming emerge in Arctic. Science News 153(Feb. 21):116.
Morison, J., M. Steele, and R. Andersen. 1998. Hydography of the upper Arctic Ocean measured from the nuclear submarine U.S.S. Pargo. Deep-Sea Research I 45(January):15.
Sources:
Miles G. McPhee
McPhee Research Company
450 Clover Springs Road
Naches, WA 98937
James H. Morison
University of Washington
Applied Physics Laboratory
Polar Science Center
Seattle, WA 98105
Donald K. Perovich
U.S. Army Cold Regions Research and Engineering Laboratory
72 Lyme Road
Hanover, NH 03755
Michael Steele
University of Washington
Applied Physics Laboratory
Polar Science Center
Seattle, WA 98105
David W.J. Thompson
University of Washington
Department of Atmospheric Sciences
Seattle, WA 98195-4235
John M. Wallace
University of Washington
Department of Atmospheric Sciences
Seattle, WA 98195-4235
From Science News, Vol. 155, No. 7, February 13, 1999, p. 104. Copyright © 1999, Science Service.
