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    Late glacial 14C ages from a floating, 1382-ring pine chronology

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    _azu_radiocarbon_v46_n3_1203_1209_v.pdf (262.3Kb)
    Date
    2004
    Author
    Kromer, Bernd  Concept link
    Friedrich, Michael  Concept link
    Hughen, Konrad A.  Concept link
    Kaiser, K. Felix  Concept link
    Remmele, Sabine  Concept link
    Schaub, Matthias  Concept link
    Talamo, Sahra  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/4369
    As published
    https://journals.uair.arizona.edu/index.php/radiocarbon/article/view/4177
    Abstract
    We built a floating, 1382-ring pine chronology covering the radiocarbon age interval of 12,000 to 10,650 BP. Based on the strong rise of Δ14C at the onset of the Younger Dryas (YD) and wiggle-matching of the decadal-scale Δ14C fluctuations, we can anchor the floating chronology to the Cariaco varve chronology. We observe a marine reservoir correction higher than hitherto assumed for the Cariaco site, of up to 650 yr instead of 400 yr, for the full length of the comparison interval. The tree-ring Δ14C shows several strong fluctuations of short duration (a few decades) at 13,800; 13,600; and 13,350 cal BP. The amplitude of the strong Δ14C rise at the onset of the YD is about 40‰, whereas in the marine data set the signal appears stronger due to a re-adjustment of the marine mixed-layer Δ14C towards the atmospheric level.
    Description
    Author Posting. © Arizona Board of Regents on behalf of the University of Arizona, 2004. This article is posted here by permission of Dept. of Geosciences, University of Arizona for personal use, not for redistribution. The definitive version was published in Radiocarbon 46 (2004): 1203-1209.
    Collections
    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Article: Kromer, Bernd, Friedrich, Michael, Hughen, Konrad A., Kaiser, K. Felix, Remmele, Sabine, Schaub, Matthias, Talamo, Sahra, "Late glacial 14C ages from a floating, 1382-ring pine chronology", Radiocarbon 46 (2004): 1203-1209, https://hdl.handle.net/1912/4369
     
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