Reversed flow of Atlantic deep water during the Last Glacial Maximum

César Negre (), Rainer Zahn, Alexander L. Thomas, Pere Masqué, Gideon M. Henderson, Gema Martínez-Méndez, Ian R. Hall and José L. Mas
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César Negre: Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona
Rainer Zahn: Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona
Alexander L. Thomas: University of Oxford
Pere Masqué: Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona
Gideon M. Henderson: University of Oxford
Gema Martínez-Méndez: Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona
Ian R. Hall: School of Earth and Ocean Sciences, Cardiff University, Main Building, Park Place
José L. Mas: Escuela Universitaria Politécnica, Universidad de Sevilla

Nature, 2010, vol. 468, issue 7320, 84-88

Abstract: Ice-age reversal in Atlantic flow The behaviour of the Atlantic meridional overturning circulation (AMOC) during the last glacial maximum about 21,000 years ago remains uncertain, with different lines of evidence arguing for either no change or a sharp reduction. César Negre and colleagues now present an analysis of flow-sensitive protactinium and thorium isotopes from the North and South Atlantic and show that the previously contradictory results can be integrated in a new framework, supporting a reversal of the Atlantic meridional overturning circulation at the last glacial maximum.

Date: 2010
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DOI: 10.1038/nature09508

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