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Recent and Planned Developments of the Program OxCal

  • Christopher Bronk Ramsey (a1) and Sharen Lee (a1)

Abstract

OxCal is a widely used software package for the calibration of radiocarbon dates and the statistical analysis of 14C and other chronological information. The program aims to make statistical methods easily available to researchers and students working in a range of different disciplines. This paper will look at the recent and planned developments of the package. The recent additions to the statistical methods are primarily aimed at providing more robust models, in particular through model averaging for deposition models and through different multiphase models. The paper will look at how these new models have been implemented and explore the implications for researchers who might benefit from their use. In addition, a new approach to the evaluation of marine reservoir offsets will be presented. As the quantity and complexity of chronological data increase, it is also important to have efficient methods for the visualization of such extensive data sets and methods for the presentation of spatial and geographical data embedded within planned future versions of OxCal will also be discussed.

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Copyright

Corresponding author

1 Corresponding author. Email: christopher.ramsey@rlaha.ox.ac.uk.

References

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Bronk Ramsey, C. 1995. Radiocarbon calibration and analysis of stratigraphy: the OxCal program. Radiocarbon 37(2):425–30.
Bronk Ramsey, C. 1998. Probability and dating. Radiocarbon 40(1):461–74.
Bronk Ramsey, C. 2001. Development of the radiocarbon calibration program. Radiocarbon 43(2A):355–63.
Bronk Ramsey, C. 2008. Deposition models for chronological records. Quaternary Science Reviews 27(1–2): 4260.
Bronk Ramsey, C. 2009a. Bayesian analysis of radiocarbon dates. Radiocarbon 51(1):337–60.
Bronk Ramsey, C. 2009b. Dealing with outliers and offsets in radiocarbon dating. Radiocarbon 51(3): 1023–45.
Bronk Ramsey, C, Dee, MW, Rowland, JM, Higham, TFG, Harris, SA, Brock, FA, Quiles, A, Wild, EM, Marcus, ES, Shortland, AJ. 2010. Radiocarbon-based chronology for Dynastic Egypt. Science 328(5985): 1554–7.
Bronk Ramsey, C, Staff, RA, Bryant, CL, Brock, F, Kitagawa, H, van der Plicht, J, Schlolaut, G, Marshall, MH, Brauer, A, Lamb, HF, Payne, RL, Tarasov, PE, Haraguchi, T, Gotanda, K, Yonenobu, H, Yokoyama, Y, Tada, R, Nakagawa, T. 2012. A complete terrestrial radiocarbon record for 11.2 to 52.8 kyr B.P. Science 338(6105): 370–4.
Buck, CE, Litton, CD, Smith, AFM. 1992. Calibration of radiocarbon results pertaining to related archaeological events. Journal of Archaeological Science 19(5): 497–512.
Higham, T, Jacobi, R, Basell, L, Bronk Ramsey, C, Chiotti, L, Nespoulet, R. 2011. Precision dating of the Palaeolithic: a new radiocarbon chronology for the Abri Pataud (France), a key Aurignacian sequence. Journal of Human Evolution 61(5):549–63.
Karlsberg, AJ. 2006. Flexible Bayesian methods for archaeological dating , heffield: University of Sheffield.
Lee, S. 2012. Bayesian methods for the construction of robust chronologies , xford: University of Oxford.
Lee, S, Bronk Ramsey, C. 2012. Development and application of the trapezoidal model for archaeological chronologies. Radiocarbon 54(1): 107–22.
Lee, S, Bronk Ramsey, C, Hardiman, M. 2013a. Modeling the age of the Cape Riva (Y-2) tephra. Radiocarbon, these proceedings, doi:10.2458/azu_js_rc.55.16214.
Lee, S, Bronk Ramsey, C, Mazar, A. 2013b. Iron Age chronology in Israel—results from modeling with a trapezoidal Bayesian framework. Radiocarbon, these proceedings, doi:10.2458/azu_js_rc.55.16213.
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Radiocarbon
  • ISSN: 0033-8222
  • EISSN: 1945-5755
  • URL: /core/journals/radiocarbon
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