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      Variations of radiocarbon in tree rings: southern hemisphere offset preliminary results

      McCormac, F.G.; Hogg, Alan G.; Higham, Thomas F.G.; Baillie, Mike G.L.; Palmer, Jonathan G.; Xiong, Limin; Pilcher, J.R.; Brown, David; Hoper, S.T.
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      VARIATIONS OF RADIOCARBON.pdf
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      DOI
       10.1017/S0033822200019184
      Link
       www.uair.arizona.edu
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      McCormac, F. G., Hogg, A. G., Higham, T. F. G., Baillie, M. G. L., Palmer, J. G., … , Hoper, S. T. (1998). Variations of radiocarbon in tree rings: southern hemisphere offset preliminary results. Radiocarbon, 40(3), 1153-1159.
      Permanent Research Commons link: https://hdl.handle.net/10289/3694
      Abstract
      The Queen's University of Belfast, Northern Ireland and University of Waikato, Hamilton, New Zealand radiocarbon laboratories have undertaken a series of high-precision measurements on decadal samples of dendrochronologically dated oak (Quercus patrea) and cedar (Libocedrus bidwillii) from Great Britain and New Zealand, respectively. The results show a real atmospheric offset of 3.4 ± 0.6% (27.2 ± 4.7 ¹⁴C yr) between the two locations for the interval AD 1725 to AD 1885, with the Southern Hemisphere being depleted in ¹⁴C. This result is less than the value currently used to correct Southern Hemisphere calibrations, possibly indicating a gradient in Δ¹⁴C within the Southern Hemisphere.
      Date
      1998
      Type
      Journal Article
      Rights
      This article has been published in the journal: Radiocarbon. © 1998 the Arizona Board of Regents on behalf of the University of Arizona. Used with permission.
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      • Science and Engineering Papers [3118]
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