The CO2 and CH4 concentrations were calculated using Henrys Law. The field ratios (CO2:CH4) were isotopically corrected for the lower solubility of methane using an isotope mass balance model (Corbett et al. 2013 Biogeochemistry).


References

Corbett, J. E., Tfaily, M. M., Burdige, D. J., Cooper, W. T., Glaser, P. H., & Chanton, J. P. (2013). Partitioning pathways of CO2 production in peatlands with stable carbon isotopes. Biogeochemistry, 114(1–3), 327–340. https://doi.org/10.1007/s10533-012-9813-1