Gattuso et al (1998)
Also: Gattuso et al 1998
Effect of calcium carbonate saturation of seawater on coral calcification
Gattuso, J. P., Frankignoulle, M., Bourge, I., Romaine, S., & Buddemeier, R. W. (1998). Effect of calcium carbonate saturation of seawater on coral calcification.Global and Planetary Change, 18(1), 37-46
https://imedea.uib-csic.es/master/cambioglobal/Modulo_III_cod101608/Tema_8-acidificaci%C3%B3n/pH/glob%20plan%20change%2018pp37-46.pdf
http://dx.doi.org/10.1016/S0921-8181(98)00035-6
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.