Atlantic meridional overturning circulation during the last glacial maximum

Jean Lynch-Stieglitz, Jess F. Adkins, William B. Curry, Trond Dokken, Ian R. Hall, Juan Carlos Herguera, Joël J.M. Hirschi, Elena V. Ivanova, Catherine Kissel, Olivier Marchal, Thomas M. Marchitto, I. Nicholas McCave, Jerry F. McManus, Stefan Mulitza, Ulysses Ninnemann, Frank Peeters, Ein Fen Yu, Rainer Zahn

Research output: Contribution to journalReview article

252 Citations (Scopus)

Abstract

The circulation of the deep Atlantic Ocean during the height of the last ice age appears to have been quite different from today. We review observations implying that Atlantic meridional overturning circulation during the Last Glacial Maximum was neither extremely sluggish nor an enhanced version of present-day circulation. The distribution of the decay products of uranium in sediments is consistent with a residence time for deep waters in the Atlantic only slightly greater than today. However, evidence from multiple water-mass tracers supports a different distribution of deep-water properties, including density, which is dynamically linked to circulation.

Original languageEnglish
Pages (from-to)66-69
Number of pages4
JournalScience
Volume316
Issue number5821
DOIs
Publication statusPublished - 2007 Apr 6

ASJC Scopus subject areas

  • General

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