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    Precise date for the Laacher See eruption synchronizes the Younger Dryas

    Reinig, F. and Wacker, L. and Joris, O. and Oppenheimer, C. and Guidobaldi, G. and Nievergelt, D. and Adolphi, F. and Cherubini, P. and Engels, Stefan and Esper, J. and Land, A. and Lane, C. and Pfanz, H. and Remmele, S. and Sigl, M. and Sookdeo, A. and Buntgen, U. (2021) Precise date for the Laacher See eruption synchronizes the Younger Dryas. Nature 595 , pp. 66-69. ISSN 0028-0836.

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    The Laacher See eruption (LSE) in Germany ranks among Europe’s largest volcanic events of the Upper Pleistocene. Although tephra deposits of the LSE represent an important isochron for the synchronization of proxy archives at the Late Glacial to Early Holocene transition, uncertainty in the age of the eruption has prevailed. Here we present dendrochronological and radiocarbon measurements of subfossil trees that were buried by pyroclastic deposits that frmly date the LSE to 13,006 ± 9 calibrated years before present (bp; taken as ad 1950), which is more than a century earlier than previously accepted. The revised age of the LSE necessarily shifts the chronology of European varved lakes relative to the Greenland ice core record, thereby dating the onset of the Younger Dryas to 12,807 ± 12 calibrated years bp, which is around 130 years earlier than thought. Our results synchronize the onset of the Younger Dryas across the North Atlantic–European sector, preclude a direct link between the LSE and Greenland Stadial-1 cooling, and suggest a large-scale common mechanism of a weakened Atlantic Meridional Overturning Circulation under warming conditions


    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Humanities and Social Sciences > School of Social Sciences
    Depositing User: Stefan Engels
    Date Deposited: 05 Jul 2021 09:38
    Last Modified: 02 Aug 2023 18:11


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