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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Findings from an in-depth annual tree-ring radiocarbon inter-comparison
Author(s): Bayliss, Alexandra
Wacker, Lukas
Scott, E Marian
Brown, David
Bard, Edouard
Bollhalder, Silvia
Friedrich, Michael
Capano, Manuela
Cherkinsky, Alex
Chivall, David
Culleton, Brendan J
Dee, Michael W
Friedrich, Ronny
Hodgins, Gregory W L
Hogg, Alan
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Issue Date: Aug-2020
Citation: Bayliss A, Wacker L, Scott EM, Brown D, Bard E, Bollhalder S, Friedrich M, Capano M, Cherkinsky A, Chivall D, Culleton BJ, Dee MW, Friedrich R, Hodgins GWL & Hogg A (2020) Findings from an in-depth annual tree-ring radiocarbon inter-comparison. Radiocarbon, 62 (4), pp. 873-882.
Abstract: The radiocarbon calibration curve so far contains annually resolved data only for a short period of time. With accelerator mass spectrometry (AMS) matching the precision of decay counting, it is now possible to efficiently produce large datasets of annual resolution for calibration purposes using small amounts of wood. The radiocarbon inter-comparison on single-year tree-ring samples presented here is the first to investigate specifically possible offsets between AMS laboratories at high precision. The results show that AMS laboratories are capable of measuring samples of Holocene age with an accuracy and precision that is comparable or even goes beyond what is possible with decay counting, even though they require a thousand times less wood. It also shows that not all AMS laboratories always produce results that are consistent with their stated uncertainties. The long-term benefits of studies of this kind are more accurate radiocarbon measurements with, in the future, better quantified uncertainties.
DOI Link: 10.1017/RDC.2020.49
Rights: [findings_from_an_indepth_annual_treering_radiocarbon_intercomparison.pdf] © The Arizona Board of Regents on behalf of the University of Arizona 2020. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (, which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
[Supplements_final.pdf] This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This article has been accepted for publication in a revised form in Radiocarbon This version is published under a Creative Commons CC-BY-NC-ND. No commercial re-distribution or re-use allowed. Derivative works cannot be distributed. © 2020 by the Arizona Board of Regents on behalf of the University of Arizona
Notes: Additional co-authors: Douglas J Kennett, Timothy D J Knowles, Margot Kuitems, Todd E Lange, Fusa Miyake, Marie-Josée Nadeau, Toshio Nakamura, J Philip Naysmith, Jesper Olsen, Takayuki Omori, Fiona Petchey, Bente Philippsen, Christopher Bronk Ramsey, G V Ravi Prasad, Martin Seiler, John Southon, Richard Staff, Thibault Tuna
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