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Article Dans Une Revue Global and Planetary Change Année : 2020

AMOC and summer sea ice as key drivers of the spread in mid-holocene winter temperature patterns over Europe in PMIP3 models

Résumé

The mid-Holocene (6,000 years before present) was a warmer period than today in summer in most of the Northern Hemisphere. In winter, over Europe, pollen-based reconstructions show a dipole of temperature anomalies as compared to present-day, with warmer conditions in the north and colder in the south. It has been proposed that this pattern of temperature anomaly could be explained by a persisting positive phase of the North Atlantic Oscillation during this period, which was, however, not reproduced in general by climate models. Indeed, PMIP3 models show a large spread in their response to the mid-Holocene insolation changes, the physical origins of which are not understood. To improve the understanding of the
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hal-02346168 , version 1 (14-12-2020)

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Alina Găinuşă-Bogdan, Didier Swingedouw, Pascal Yiou, Julien Cattiaux, Francis Codron, et al.. AMOC and summer sea ice as key drivers of the spread in mid-holocene winter temperature patterns over Europe in PMIP3 models. Global and Planetary Change, 2020, 184, pp.103055. ⟨10.1016/j.gloplacha.2019.103055⟩. ⟨hal-02346168⟩
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