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Science 20 October 1995:
Vol. 270. no. 5235, pp. 455 - 458
DOI: 10.1126/science.270.5235.455
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Reports

Large Arctic Temperature Change at the Wisconsin-Holocene Glacial Transition

Kurt M. Cuffey (1),  Gary D. Clow,  Richard B. Alley,  Minze Stuiver,  Edwin D. Waddington,  Richard W. Saltus

Analysis of borehole temperature and Greenland Ice Sheet Project II ice-core isotopic composition reveals that the warming from average glacial conditions to the Holocene in central Greenland was large, approximately 15°C. This is at least three times the coincident temperature change in the tropics and mid-latitudes. The coldest periods of the last glacial were probably 21°C colder than at present over the Greenland ice sheet.


K. M. Cuffey, Department of Geological Sciences, Box 351310, University of Washington, Seattle, WA 98195, USA.
G. D. Clow, U.S. Geological Survey, Mail Stop 975, Menlo Park, CA 94025, USA.
R. B. Alley, Earth System Science Center and Department of Geosciences, The Pennsylvania State University, University Park, PA 16802, USA.
M. Stuiver, Quaternary Isotope Laboratory and Department of Geosciences, Box 351310, University of Washington, Seattle, WA 98195, USA.
E. D. Waddington, Geophysics Program, Box 351650, University of Washington, Seattle, WA 98195, USA.
R. W. Saltus, U.S. Geological Survey, Mail Stop 964, Denver Federal Center, Denver, CO 80225, USA.
(1) To whom correspondence should be addressed.


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