Evidence for a bi-partition of the Younger Dryas Stadial in East Asia associated with inversed climate characteristics compared to Europe

Journal article


Schlolaut, G., Brauer, A., Nakagawa, T., Lamb, H.F., Tyler, J.J., Staff, R.A., Marshall, M.H., Bronk Ramsey, C., Bryant, C.L., Tarasov, P.E. and Marshall, M. 2017. Evidence for a bi-partition of the Younger Dryas Stadial in East Asia associated with inversed climate characteristics compared to Europe. Scientific Reports. Vol 7 (2017, Article: 44983). https://doi.org/10.1038/srep44983
AuthorsSchlolaut, G., Brauer, A., Nakagawa, T., Lamb, H.F., Tyler, J.J., Staff, R.A., Marshall, M.H., Bronk Ramsey, C., Bryant, C.L., Tarasov, P.E. and Marshall, M.
Abstract

The Younger Dryas Stadial (YDS) was an episode of northern hemispheric cooling which occurred within the Last Glacial Interglacial Transition (LGIT). A major driver for the YDS climate was a weakening of the Atlantic Meridional Overturning Circulation (AMOC). It has been inferred that the AMOC began to strengthen mid-YDS, producing a bipartite structure of the YDS in records from continental Europe. These records imply that the polar front and westerlies shifted northward, producing a warmer second phase of the YDS in Europe. Here we present multi-proxy data from the sediments of Lake Suigetsu (Japan), as evidence that a related bi-partition of the YDS also occurred in East Asia. Besides showing for the first time that the bi-partition was not limited to the North Atlantic/European region, the data also imply a climatic dipole between Europe and East Asia since the cold-warm characteristics are reversed at Lake Suigetsu. We suggest that changes in eastward moisture transport from the North Atlantic are the primary mechanism by which the teleconnection can be explained.

KeywordsYounger Dryas Stadial; Last Glacial Interglacial Transition; Atlantic Meridional Overturning Circulation
Year2017
JournalScientific Reports
Journal citationVol 7 (2017, Article: 44983)
PublisherNature
ISSN20452322
Digital Object Identifier (DOI)https://doi.org/10.1038/srep44983
Web address (URL)http://www.scopus.com/inward/record.url?eid=2-s2.0-85016737661&partnerID=MN8TOARS
Output statusPublished
Publication dates
Online31 Mar 2017
Publication process dates
Accepted17 Feb 2017
Deposited15 Jun 2023
ISBN20452322
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https://repository.derby.ac.uk/item/9z4w0/evidence-for-a-bi-partition-of-the-younger-dryas-stadial-in-east-asia-associated-with-inversed-climate-characteristics-compared-to-europe

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