Tree rings and ice cores reveal 14C calibration uncertainties during the Younger Dryas
Submitted by susan on Tue, 2008-04-01 05:54
Attaching a 'floating' tree-ring chronology to ice core records that cover the abrupt Younger Dryas cold interval during the last glacial termination provides a better estimate of the onset and duration of the radiocarbon anomaly. The chronology suggests that marine records may be biased by changes in the concentration of radiocarbon in the ocean, which may affect the accuracy of a popular radiocarbon calibration program during this interval.
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31/03/2008