A New Greenland Deep Ice Core
Abstract
The polar ice sheets are rich sources of information on past atmospheric conditions, including paleoclimates. A new deep ice core has been drilled in south Greenland. Comparison of the oxygen isotopic profile with that from Camp Century and with a deep-sea foraminifera record indicates that the new core reaches back to about 90,000 years before present in a continuous sequence. The details in the Wisconsin part of the ice core records seem to be climatically significant, and the general trends reveal all of the relevant Emiliani stages recorded in deep-sea cores. The redated Camp Century record suggests a dramatic termination of the Eem/Sangamon interglacial.
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Science
Volume 218 | Issue 4579
24 December 1982
24 December 1982
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1982 by the American Association for the Advancement of Science.
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Published in print: 24 December 1982
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- W. Dansgaard et al.
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