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Last Interglacial Climate in Northern Sweden-Insights from a Speleothem Record

Finné, Martin (författare)
Uppsala universitet,Antikens kultur och samhällsliv,Stockholm Univ, Bolin Ctr Climate Res, SE-10691 Stockholm, Sweden;Univ Helsinki, Inst Atmospher & Earth Syst Res INAR Phys, Varrio Res Stn, POB 64, FI-00014 Helsinki, Finland
Salonen, Sakari (författare)
Univ Helsinki, Dept Geosci & Geog, POB 64, FI-00014 Helsinki, Finland;Univ Bordeaux, Environm & Paleoenvironm Ocean & Continentaux, UMR 5805, F-33615 Pessac, France
Frank, Norbert (författare)
Heidelberg Univ, Inst Environm Phys, D-69120 Heidelberg, Germany
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Helmens, Karin F. (författare)
Stockholm Univ, Bolin Ctr Climate Res, SE-10691 Stockholm, Sweden
Schröder-Ritzrau, Andrea (författare)
Heidelberg Univ, Inst Environm Phys, D-69120 Heidelberg, Germany
Deininger, Michael (författare)
Johannes Gutenberg Univ Mainz, Inst Geosci, D-55128 Mainz, Germany
Holzkämper, Steffen (författare)
Stockholms universitet,Institutionen för naturgeografi,Stockholm Univ, Bolin Ctr Climate Res, SE-10691 Stockholm, Sweden;Stockholm Univ, Dept Phys Geog, SE-10691 Stockholm, Sweden
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 (creator_code:org_t)
2019-08-20
2019
Engelska.
Ingår i: Quaternary. - : MDPI AG. - 2571-550X. ; 2:3
Relaterad länk:
https://doi.org/10.3...
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https://www.mdpi.com...
https://uu.diva-port... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.3...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Continental records with absolute dates of the timing and progression of climatic conditions during the Last Interglacial (LIG) from northern Europe are rare. Speleothems from northern Europe have a large potential as archives for LIG environmental conditions since they were formed in sheltered environments and may be preserved beneath ice sheets. Here, we present delta C-13 and delta O-18 values from speleothem Kf-21, from Korallgrottan in Jamtland (northwest Sweden). Kf-21 is dated with five MC-ICPMS U-Th dates with errors smaller than similar to 1 ka. Kf-21 started forming at similar to 130.2 ka and the main growth phase with relatively constant growth rates lasted from 127.3 ka to 124.4 ka, after which calcite formation ceased. Both delta C-13 and delta O-18 show rapid shifts but also trends, with a range of values within their Holocene counterparts from Korallgrottan. Our results indicate an early onset of the LIG in northern Europe with ice-free conditions at similar to 130 ka. Higher growth rates combined with more negative delta O-18 values between similar to 127.3 and 126.8 ka, interpreted here as warmer and more humid conditions, as well as indications of a millennial-scale cold spell centered at 126.2 ka, resemble findings from speleothem records from other parts of Europe, highlighting that these were regional scale climatic patterns.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)

Nyckelord

Last Interglacial (LIG)
speleothem
stable carbon and oxygen isotope compositions
climate variability
Scandinavia
Sweden

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