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Advances in Meteorology
Volume 2012 (2012), Article ID 213743, 8 pages
Research Article

Ocean Cooling Pattern at the Last Glacial Maximum

1University of Arizona, Tucson, Arizona, AZ 85721, USA
2Texas A&M University, College Station, Texas, TX 77843, USA

Received 3 May 2012; Revised 13 August 2012; Accepted 13 August 2012

Academic Editor: Youmin Tang

Copyright © 2012 Kelin Zhuang and John R. Giardino. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ocean temperature and ocean heat content change are analyzed based on four PMIP3 model results at the Last Glacial Maximum relative to the prehistorical run. Ocean cooling mostly occurs in the upper 1000 m depth and varies spatially in the tropical and temperate zones. The Atlantic Ocean experiences greater cooling than the rest of the ocean basins. Ocean cooling is closely related to the weakening of meridional overturning circulation and enhanced intrusion of Antarctic Bottom Water into the North Atlantic.