Major cooling intersecting peak Eemian Interglacial warmth in northern Europe

Helmens, K.F. and Salonen, S.J. and Plikk, A. and Engels, Stefan and Valiranta, M. and Kylander, M. and Brendryen, J. and Renssen, H. (2015) Major cooling intersecting peak Eemian Interglacial warmth in northern Europe. Quaternary Science Reviews 122 , pp. 293-299. ISSN 0277-3791.

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Official URL: https://doi.org/10.1016/j.quascirev.2015.05.018

Abstract

The degree of climate instability on the continent during the warmer-than-present Eemian Interglacial (around ca. 123 kyr ago) remains unsolved. Recently published high-resolution proxy data from the North Atlantic Ocean suggest that the Eemian was punctuated by abrupt events with reductions in North Atlantic DeepWater formation accompanied by sea-surface temperature cooling. Here we present multiproxy data at an unprecedented resolution that reveals a major cooling event intersecting peak Eemian warmth on the North European continent. Two independent temperature reconstructions based on terrestrial plants and chironomids indicate a summer cooling of the order of 2-4C. The cooling event started abruptly, had a step-wise recovery, and lasted 500e1000 yr. Our results demonstrate that the common view of relatively stable interglacial climate conditions on the continent should be revised, and that perturbations in the North Atlantic oceanic circulation under warmer-than-present interglacial conditions may also lead to abrupt and dramatic changes on the adjacent continent.

Metadata

Item Type:	Article
School:	Birkbeck Faculties and Schools > Faculty of Humanities and Social Sciences > School of Social Sciences
Depositing User:	Stefan Engels
Date Deposited:	14 Jan 2021 14:42
Last Modified:	02 Aug 2023 18:05
URI:	https://eprints.bbk.ac.uk/id/eprint/41771

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