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1 results

  • A Note on Reporting of Reservoir 14C Disequilibria and Age Offsets

  • Guillaume Soulet, Luke C Skinner, Steven R Beaupré, Valier Galy
  • Journal:
    Radiocarbon / Volume 58 / Issue 1 / March 2016
    Published online by Cambridge University Press:
    07 January 2016, pp. 205-211
    Print publication:
    March 2016

  • Reservoir age offsets are widely used to correct marine and speleothem radiocarbon age measurements for various calibration purposes. They also serve as a powerful tracer for carbon cycle dynamics. However, a clear terminology regarding reservoir age offsets is lacking, sometimes leading to miscalculations. This note seeks to provide consistent conventions for reporting reservoir 14C disequilibria useful to a broad range of environmental sciences. This contribution introduces the F14R and δ14R metrics to express the relative 14C disequilibrium between two contemporaneous reservoirs and the R metric as the associated reservoir age offset.