The R package seacarb calculates parameters of the seawater carbonate system and includes functions useful for ocean acidification research. It has just been updated to v3.2.16. It is recommended to use this version rather than any of the earlier ones. The new or updated functions are listed below; the seacarb Change Log provides more details:
Update: all functions using K1 and K2 now provide the additional formulation of Shockman & Byrne (2021) to calculate these constants.
Schockman K.M. & Byrne, R.H., Spectrophotometric Determination of the Bicarbonate Dissociation Constant in Seawater, Geochimica et Cosmochimica Acta (2021), doi: https://doi.org/10.1016/j.gca.2021.02.008
Gattuso J.-P., Epitalon J. M., Lavigne H., Orr J., Gentili B., Hagens M., Hofmann A., Mueller J.-D, Proye A., Rae J. & Soetaert K., 2021. seacarb: seawater carbonate chemistry. R package version 3.2.16. More information.