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Early Approaches for Isolating the Anthropogenic
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Component of Measured TCO2
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Brewer, P.G., Direct observation of the oceanic CO2
increase,
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Geophys.
Res. Lett., 5, 997-1000, 1978.
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Chen, C.-T. A. and F. J. Millero, Gradual increase
of
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oceanic
CO2, Nature, 277, 205-206,
1979.
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Canth
= Cm - DCbio
- Cphys
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Where:
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Canth = Anthropogenic carbon concentration
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Cm = Measured total carbon concentration
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DCbio
= Change in TCO2
as a result of biological activity
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=
RC:O2
AOU + 0.5 (NTAm – NTA0+
RN:O2
AOU)
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Cphys = Preformed TCO2
concentration of waters
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