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  Climate Variability in Central Europe during the Last 2500 Years Reconstructed from Four High-Resolution Multi-Proxy Speleothem Records

Waltgenbach, S., Riechelmann, D. F. C., Spötl, C., Jochum, K. P., Fohlmeister, J., Schröder-Ritzrau, A., Scholz, D. (2021): Climate Variability in Central Europe during the Last 2500 Years Reconstructed from Four High-Resolution Multi-Proxy Speleothem Records. - Geosciences, 11, 4, 166.
https://doi.org/10.3390/geosciences11040166

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 Creators:
Waltgenbach, Sarah1, Author
Riechelmann, Dana F. C.1, Author
Spötl, Christoph1, Author
Jochum, Klaus P.1, Author
Fohlmeister, Jens2, Author              
Schröder-Ritzrau, Andrea1, Author
Scholz, Denis1, Author
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1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, Potsdam, ou_persistent13              

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Free keywords: trace elements; climate anomaly; Little Ice Age; Medieval Warm Period; Dark Ages Cold Period; RomanWarm Period
 Abstract: The Late Holocene was characterized by several centennial-scale climate oscillations including the Roman Warm Period, the Dark Ages Cold Period, the Medieval Warm Period and the Little Ice Age. The detection and investigation of such climate anomalies requires paleoclimate archives with an accurate chronology as well as a high temporal resolution. Here, we present 230Th/U-dated high-resolution multi-proxy records (δ13C, δ18O and trace elements) for the last 2500 years of four speleothems from Bunker Cave and the Herbstlabyrinth cave system in Germany. The multi-proxy data of all four speleothems show evidence of two warm and two cold phases during the last 2500 years, which coincide with the Roman Warm Period and the Medieval Warm Period, as well as the Dark Ages Cold Period and the Little Ice Age, respectively. During these four cold and warm periods, the δ18O and δ13C records of all four speleothems and the Mg concentration of the speleothems Bu4 (Bunker Cave) and TV1 (Herbstlabyrinth cave system) show common features and are thus interpreted to be related to past climate variability. Comparison with other paleoclimate records suggests a strong influence of the North Atlantic Oscillation at the two caves sites, which is reflected by warm and humid conditions during the Roman Warm Period and the Medieval Warm Period, and cold and dry climate during the Dark Ages Cold period and the Little Ice Age. The Mg records of speleothems Bu1 (Bunker Cave) and NG01 (Herbstlabyrinth) as well as the inconsistent patterns of Sr, Ba and P suggests that the processes controlling the abundance of these trace elements are dominated by site-specific effects rather than being related to supra-regional climate variability.

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 Dates: 2021-04-012021-04-062021-04-06
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3390/geosciences11040166
MDB-ID: No data to archive
Organisational keyword: FutureLab - Artificial Intelligence in the Anthropocene
PIKDOMAIN: RD4 - Complexity Science
Research topic keyword: Paleoclimate
Research topic keyword: Climate impacts
Regional keyword: Germany
OATYPE: Gold Open Access
 Degree: -

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Title: Geosciences
Source Genre: Journal, Scopus, p3, oa
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Pages: - Volume / Issue: 11 (4) Sequence Number: 166 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/1710112
Publisher: MDPI