His main research has been in the application of physical sciences to archaeology and the environmental sciences and in particular in the use of radiocarbon isotope studies: As director of the Oxford Radiocarbon Accelerator Unit, he has been involved in many different archaeological projects. These projects include those that are led from Oxford, and those that are collaborative with scholars elsewhere.
Over the last 15 years he has worked extensively on the application of Bayesian statistical methods to the study of chronology in both Archaeology and Quaternary environmental research. Another important subject is the consistent treatment of correlated uncertainties between a set of measurements and the calibration curve.This has already been discussed by Jones and Nicholls (2001) in the case of marine reservoir offsets. E., Haraguchi, T., Gotanda, K., Yonenobu, H., Yokoyama, Y., Tada, R. Nakagawa, T., Gotanda, K., Haraguchi, T., Danhara, T., Yonenobu, H., Brauer, A., Yokoyama, Y., Tada, R., Takemura, K., Staff, R. and Suigetsu 2006 Project members14C record and wiggle-match placement of the Anatolian (Gordion Area) Juniper tree-ring chronology - 1929 to 751 cal BC, and typical Aegean/Anatolian (growing season related) regional 14C offset assessment Reimer, P. The wide availability of precise radiocarbon dates has allowed researchers in a number of disciplines to address chronological questions at a resolution which was not possible 10 or 20 years ago.The use of Bayesian statistics for the analysis of groups of dates is becoming a common way to integrate all of the radiocarbon evidence together.In practice in any analysis of dates some are usually rejected as obvious outliers.However there are Bayesian statistical methods which can be used to perform this rejection in a more objective way (Christen, 1994b) but these are not often used.In practice, in any analysis of dates some are usually rejected as obvious outliers.However, there are Bayesian statistical methods which can be used to perform this rejection in a more objective way (Christen 1994b), but these are not often used.