Table 1 Fluxes and isotopic compositions of inputs and outputs of carbon in Dziani Dzaha.

Respiration

fresp

214^a

0^a*

Photosynthesis

fph

404^a

26.2^a*

CO₂ methanogenic

f_CO2-meth

120^b

53.6^b*

CO₂ degassing

fdeg

123^a

6.2^a*

CH₄ oxidation

foxy

43^b

4.7^a*

Carbonate precipitation

fcarb

1.9^a

4.1^a*

Detrital organic matter

fdet

133^b

− 26.7^a

Magmatic CO₂

fmag

18^b

− 2.7^a

Flux balance

528

528

Calculated δ¹³C_DIC

12.1‰