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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Intercomparison of high precision C-14 measurements at the University of Arizona and the Queens University of Belfast radiocarbon laboratories

Kalin, R. and McCormac, F.G. and Damon, P.E. and Eastoe, C.J. and Long, A. (1995) Intercomparison of high precision C-14 measurements at the University of Arizona and the Queens University of Belfast radiocarbon laboratories. Radiocarbon, 37 (1). pp. 33-38. ISSN 0033-8222

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Abstract

High-precision measurements were completed concurrently at the University of Arizona and the Queen's University of Belfast on blind samples of Irish oak originally measured for the 1986 radiocarbon calibration curve. Subsequent single-year Sequoindendron results were decadally averaged and compared with published results on decadal Douglas-fir samples. The results of these intercomparisons show that the Arizona high-precision results compare favorably with published values from the University of Washington, but show a systematic offset with published Belfast data.