Developments in the calibration and modeling of radiocarbon dates

Ramsey, C. B., Dee, M., Lee, S., Nakagawa, T. and Staff, R. A. (2010) Developments in the calibration and modeling of radiocarbon dates. Radiocarbon, 52(3), pp. 953-961. (doi: 10.1017/S0033822200046063)

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Calibration is a core element of radiocarbon dating and is undergoing rapid development on a number of different fronts. This is most obvious in the area of 14C archives suitable for calibration purposes, which are now demonstrating much greater coherence over the earlier age range of the technique. Of particular significance to this end is the development of purely terrestrial archives such as those from the Lake Suigetsu sedimentary profile and Kauri tree rings from New Zealand, in addition to the groundwater records from speleothems. Equally important, however, is the development of statistical tools that can be used with, and help develop, such calibration data. In the context of sedimentary deposition, age-depth modeling provides a very useful way to analyze series of measurements from cores, with or without the presence of additional varve information. New methods are under development, making use of model averaging, that generate more robust age models. In addition, all calibration requires a coherent approach to outliers, for both single samples and where entire data sets might be offset relative to the calibration curve. This paper looks at current developments in these areas.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Staff, Dr Richard
Authors: Ramsey, C. B., Dee, M., Lee, S., Nakagawa, T., and Staff, R. A.
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre
Journal Name:Radiocarbon
Publisher:Cambridge University Press
ISSN (Online):1945-5755
Published Online:18 July 2016

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