Articles | Volume 3, issue 1
https://doi.org/10.5194/gchron-3-229-2021
https://doi.org/10.5194/gchron-3-229-2021
Research article
 | 
28 Apr 2021
Research article |  | 28 Apr 2021

Towards an improvement of optically stimulated luminescence (OSL) age uncertainties: modelling OSL ages with systematic errors, stratigraphic constraints and radiocarbon ages using the R package BayLum

Guillaume Guérin, Christelle Lahaye, Maryam Heydari, Martin Autzen, Jan-Pieter Buylaert, Pierre Guibert, Mayank Jain, Sebastian Kreutzer, Brice Lebrun, Andrew S. Murray, Kristina J. Thomsen, Petra Urbanova, and Anne Philippe

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Cited articles

Aitken, M. J.: Thermoluminescence dating, Academic Press, London, 359 pp., 1985. 
Aitken, M. J.: An introduction to optical dating, Oxford University press, Oxford, 267 pp., 1998. 
Aitken, M. J. and Xie, J.: Moisture correction for annual gamma dose, Ancient TL, 8, 6–9, 1990. 
Ankjærgaard, C. and Murray, A. S.: Total beta and gamma dose rates in trapped charge dating based on beta counting, Radiat. Meas., 42, 352–359, 2007. 
Bøtter-Jensen, L., Bulur, E., Duller, G. A. T., and Murray, A. S.: Advances in luminescence instrument systems, Radiat. Meas., 32, 523–528, 2000. 
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Short summary
This paper demonstrates how to model optically stimulated luminescence (OSL) and radiocarbon ages in a Bayesian framework, using a dedicated software tool called BayLum. We show the effect of stratigraphic constraints, of modelling the covariance of ages when the same equipment is used for a series of OSL samples, and of including independent ages on a chronological inference. The improvement in chronological resolution is significant.