Large Arctic Temperature Change at the Wisconsin-Holocene Glacial Transition

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Science  20 Oct 1995:
Vol. 270, Issue 5235, pp. 455-458
DOI: 10.1126/science.270.5235.455


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.

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