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Research and teaching centre
environmental geosciences
Research and teaching centre
environmental geosciences

A new look at rapid climate change and the bipolar shift

Publication in the Proceedings of the National Academy of Sciences of the United States of America

Nina Davtian & Edouard Bard
Chair of Climate and Ocean Evolution of the Collège de France
CEREGE (UMR Aix-Marseille University, CNRS, IRD, INRAE, Collège de France) Aix-en-Provence

Iceberg in Greenland © E. Bard)

"The Atlantic Meridian Overturning Circulation (AMOC: Atlantic Meridional Overturning Circulation) is likely to be affected by current climate change. A weakening of the AMOC could contribute to the observed regional cooling at the surface of the North Atlantic, a feature of the data and numerical simulations that has been interpreted as one of the complex oceanic responses to increasing CO2 in the atmosphere. This notable feature is highlighted in the very first figure of the IPCC AR5 Summary for Policymakers and in Figure 5 of the latest IPCC Summary AR6 (IPCC in English)...

Extract from the PNAS publication of 14/03/23
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