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Palaeoclimate: northern push for the bipolar see-saw
Over the past 30 years, ice cores from Greenland, and subsequently from Antarctica, have progressively revealed a fascinating and unexpected picture of inter-hemispheric climate behaviour during the last glacial period, approximately 110,000 to 12,000 years ago. In the north, the glacial cold was punctuated by a series of abrupt warming events, each followed by cooling over several centuries before jumping back to cold, glacial conditions. These Dansgaard–Oeschger (DO) events, as they became known, have counterparts in Antarctic records, although with a different character: the Antarctic events show steady warming trends during Greenland's cold phases that peak and reverse to cooling trends when Greenland warms (Fig. 1).
History
Publication title
NatureVolume
520Issue
7549Pagination
630-631ISSN
0028-0836Department/School
Institute for Marine and Antarctic StudiesPublisher
Nature Publishing GroupPlace of publication
Macmillan Building, 4 Crinan St, London, England, N1 9XwRights statement
Copyright 2015 2015 Macmillan Publishers LimitedRepository Status
- Restricted