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gfdl's home page > gfdl on-line bibliography > 2002: Global Biogeochemical Cycles, 16(4), 10.1029/2001GB001432
Separating natural and bomb-produced radiocarbon in the ocean: the potential alkalinity method
| Rubin, S. I., and R. M. Key, 2002: Separating natural and bomb-produced radiocarbon in the ocean: the potential alkalinity method. Global Biogeochemical Cycles, 16(4), 10.1029/2001GB001432. |
| Abstract: the use of radiocarbon as a tracer for oceanic processes generally requires differentiation of naturally occurring radiocarbon from the bomb component produced by atmospheric nuclear weapons testing. We present a new separation method based on the strong linear correlation between radiocarbon and potential alkalinity. Unlike previous techniques the new algorithm is applicable at all latitudes. Additionally, the potential alkalinity method provides an estimate of surface ocean prebomb radiocarbon concentrations. Predictions with the technique appear to be unbiased and have uncertainties which are less than previous techniques. |