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  Reanalysis of the atmospheric radiocarbon calibration record from Lake Suigetsu, Japan

Bronk Ramsey, C., Heaton, T. J., Schlolaut, G., Staff, R. A., Bryant, C. L., Brauer, A., Lamb, H. F., Marshall, M. H., Nakagawa, T. (2020): Reanalysis of the atmospheric radiocarbon calibration record from Lake Suigetsu, Japan. - Radiocarbon, [early online release].
https://doi.org/10.1017/RDC.2020.18

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5001230 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5001230_1
Genre: Journal Article

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 Creators:
Bronk Ramsey, Christopher1, Author
Heaton, Timothy J1, Author
Schlolaut, Gordon2, Author              
Staff, Richard A1, Author
Bryant, Charlotte L1, Author
Brauer, A.2, Author              
Lamb, Henry F1, Author
Marshall, Michael H1, Author
Nakagawa, Takeshi1, Author
Affiliations:
1External Organizations, ou_persistent22              
24.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146046              

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Free keywords: calibration, lake sediments, radiocarbon
 Abstract: Terrestrial plant macrofossils from the sedimentary record of Lake Suigetsu, Japan, provide the only quasi-continuous direct atmospheric record of radiocarbon (14C) covering the last 50 ka cal BP (Bronk Ramsey et al. 2012). Since then, new high precision data have become available on U-Th dated speleothems from Hulu Cave China, covering the same time range (Cheng et al. 2018). In addition, an updated varve-based chronology has also been published for the 2006 core from Lake Suigetsu (SG06) based on extended microscopic analysis of the sediments and improved algorithms for interpolation (Schlolaut et al. 2018). Here we reanalyze the radiocarbon dataset from Suigetsu based on the new varve counting information and the constraints imposed by the speleothem data. This enables the new information on the calendar age scale of the Suigetsu dataset to be used in the construction of the consensus IntCal calibration curve. Comparison of the speleothem and plant macrofossil records provides insight into the mechanisms underlying the incorporation of carbon into different types of record and the relative strengths of different types of archive for calibration purposes.

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 Dates: 2020-03-252020
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1017/RDC.2020.18
GFZPOF: p3 PT3 Earth Surface and Climate Interactions
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Title: Radiocarbon
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: [early online release] Sequence Number: - Start / End Page: - Identifier: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals422