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  • Wohlfarth, BarbaraStockholms universitet,Institutionen för geologiska vetenskaper,Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden (author)

Hässeldala – a key site for Last Termination events in southern Sweden

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2016-11-02
  • London :John Wiley & Sons,2017
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:nrm-2612
  • https://urn.kb.se/resolve?urn=urn:nbn:se:nrm:diva-2612URI
  • https://doi.org/10.1111/bor.12207DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-142389URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • This work forms part of the Climate Transitions Project financed by the Swedish Nuclear Fuel and Waste Management Company (SKB).
  • The Last Termination (19 000–11 000 a BP) with its rapid and distinct climate shifts provides a perfect laboratory to study the nature and regional impact of climate variability. The sedimentary succession from the ancient lake at Hässeldala Port in southern Sweden with its distinct Lateglacial/early Holocene stratigraphy (>14.1–9.5 cal. ka BP) is one of the few chronologically well-constrained, multi-proxy sites in Europe that capture a variety of local and regional climatic and environmental signals. Here we present Hässeldala's multi-proxy records (lithology, geochemistry, pollen, diatoms, chironomids, biomarkers, hydrogen isotopes) in a refined age model and place the observed changes in lake status, catchment vegetation, summer temperatures and hydroclimate in a wider regional context. Reconstructed mean July temperatures increased between c. 14.1 and c. 13.1 cal. ka BP and subsequently declined. This latter cooling coincided with drier hydroclimatic conditions that were probably associated with a freshening of the Nordic Seas and started a few hundred years before the onset of Greenland Stadial 1 (c. 12.9 cal. ka BP). Our proxies suggest a further shift towards colder and drier conditions as late as c. 12.7 cal. ka BP, which was followed by the establishment of a stadial climate regime (c. 12.5–11.8 cal. ka BP). The onset of warmer and wetter conditions preceded the Holocene warming over Greenland by c. 200 years. Hässeldala's proxies thus highlight the complexity of environmental and hydrological responses across abrupt climate transitions in northern Europe.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Muschitiello, FrancescoStockholms universitet,Institutionen för geologiska vetenskaper,Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden (author)
  • Greenwood, Sarah L.Stockholms universitet,Institutionen för geologiska vetenskaper,Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden(Swepub:su)sgree (author)
  • Andersson, AugustStockholms universitet,Institutionen för miljövetenskap och analytisk kemi,Department of Applied Environmental Science and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden(Swepub:su)auand (author)
  • Kylander, MalinStockholms universitet,Institutionen för geologiska vetenskaper,Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden(Swepub:su)mkyla (author)
  • Smittenberg, Rienk H.Stockholms universitet,Institutionen för geologiska vetenskaper,Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden(Swepub:su)rsmit (author)
  • Steinthorsdottir, MargretStockholms universitet,Naturhistoriska riksmuseet,Enheten för paleobiologi,Institutionen för geologiska vetenskaper(Swepub:su)mstei (author)
  • Watson, JennySchool of Geography, Archaeology and Palaeoecology, Queen's University Belfast, Belfast, UK (author)
  • Whitehouse, NicolaSchool of Geography, Earth and Environmental Sciences, Plymouth University, Plymouth, UK (author)
  • Stockholms universitetInstitutionen för geologiska vetenskaper (creator_code:org_t)

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  • In:BoreasLondon : John Wiley & Sons46, s. 143-1610300-94831502-3885

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