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Extension of the Southern Hemisphere Atmospheric Radiocarbon Curve, 2120–850 Years BP: Results from Tasmanian Huon Pine

Published online by Cambridge University Press:  18 July 2016

Susan Zimmerman ,
Thomas Guilderson ,
Brendan Buckley  and
Edward Cook
Susan Zimmerman*
Affiliation:
Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, California 94550, USA
Thomas Guilderson
Affiliation:
Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, California 94550, USA Dept. of Ocean Sciences and Institute of Marine Sciences, University of California, Santa Cruz, California 94064, USA
Brendan Buckley
Affiliation:
Tree-Ring Laboratory of the Lamont Doherty Earth Observatory, Palisades, New York 10964, USA
Edward Cook
Affiliation:
Tree-Ring Laboratory of the Lamont Doherty Earth Observatory, Palisades, New York 10964, USA
*
Corresponding author. Email: [email protected].
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Abstract

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Decadal samples of dendrochronologically dated pine (Lagorostrobos franklinii) from the Stanley River basin, Tasmania, have been radiocarbon dated between 2120–850 yr BP. This data set overlaps and extends the current Southern Hemisphere record, which covers the period 110–995 yr BP. There is good agreement between the 2 records between 995–850 yr BP, between sample replicates and with consensus values for standards. As in the younger data set, we find evidence for a distinct but variable offset between the Southern Hemisphere data and IntCal04; although this is likely due to real temporal variability in the interhemispheric offset, further work is planned to rule out possible laboratory or sample preparation differences.

Type
Calibration, Data Analysis, and Statistical Methods
Information
Radiocarbon , Volume 52 , Issue 3: 20th Int. Radiocarbon Conference Proceedings , 2010 , pp. 887 - 894
Copyright
Copyright © 2010 by the Arizona Board of Regents on behalf of the University of Arizona 

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