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      The marine ΔR For Nenumbo (Solomon Islands): A case study in calculating reservoir offsets form paired sample data

      Jones, Martin; Petchey, Fiona; Green, Roger; Sheppard, Peter; Phelan, Matthew
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      The Marine R for Nenumbo.pdf
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      DOI
       10.1017/S0033822200041928
      Link
       www.uair.arizona.edu
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      Citation
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      Jones, M., Petchey, F., Green, R., Sheppard, P. & Phelan, M. (2007). The marine ΔR For Nenumbo (Solomon Islands): A case study in calculating reservoir offsets form paired sample data. Radiocarbon, 49(1), 95-102.
      Permanent Research Commons link: https://hdl.handle.net/10289/3683
      Abstract
      It is necessary to calculate location-specific marine ΔR values in order to calibrate marine samples using calibration curves such as those provided through the IntCal98 (Stuiver et al. 1998) data. Where known-age samples are available, this calculation is straightforward (i.e. Stuiver et al. 1986). In the case that a paired marine/terrestrial sample calculation is performed, however, the standard calculation (i.e. Stuiver and Braziunas 1993) requires that the samples are treated as relating to isochronous events. This may not be an appropriate assumption for many archaeological paired samples. In this paper, we present an approach to calculating marine ΔR values that does not require the dated events to be treated as isochronous. When archaeological evidence allows the dated events to be tightly temporally constrained, the approach presented here and that described by Stuiver and Braziunas (1993) give very similar results. However, where tight temporal constraints are less certain, the 2 approaches can give rise to differing results. The example analysis considered here shows that a ΔR of –81 ± 64 ¹⁴C yr is appropriate for samples in the vicinity of Nenumbo (Reef Islands, southeast Solomon Islands) around the period 2000–3000 BP.
      Date
      2007
      Type
      Journal Article
      Publisher
      University of Arizona, Department of Geosciences
      Rights
      This article has been published in the journal: Radiocarbon. © 2007 by the Arizona Board of Regents on behalf of the University of Arizona. Used with permission.
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      • Science and Engineering Papers [3122]
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