Table 1 Definition of key quantities with associated units
Symbol | Description | Units |
|---|---|---|
R | Measured 13C/12C ratio | – |
Rs | Standard 13C/12C ratio | – |
δ13C | Deviation of measured 13C from standard | ‰ |
m | Total amount of carbon in the ocean | mol |
msat | Total saturated carbon | mol |
mseq | Total sequestered carbon | mol |
Cseq | Ocean average sequestered carbon concentration | mol/m3 |
\({\bar{\delta }}_{o}\) | Mass-averaged δ13C in the ocean | ‰ |
\({\bar{\delta }}_{a}\) | Atmospheric δ13C | ‰ |
\({\bar{\delta }}_{o,sat}\) | Saturated δ13C | ‰ |
\({\bar{\delta }}_{o,seq}\) | Sequestered δ13C | ‰ |
\({\bar{\epsilon }}_{d}\) | Air-sea carbon isotopes fractionation factor | ‰ |
\({\bar{\epsilon }}_{p}\) | Photosynthetic carbon isotopes fractionation factor | ‰ |
\({\bar{\epsilon }}_{seq}\) | Sequestered isotopic offset factor | ‰ |