Articles | Volume 2-oae2023
https://doi.org/10.5194/sp-2-oae2023-2-2023
https://doi.org/10.5194/sp-2-oae2023-2-2023
27 Nov 2023
 | OAE Guide 2023 | Chapter 2
 | 27 Nov 2023 | OAE Guide 2023 | Chapter 2

Seawater carbonate chemistry considerations for ocean alkalinity enhancement research: theory, measurements, and calculations

Kai G. Schulz, Lennart T. Bach, and Andrew G. Dickson

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Cited articles

Anbeek, C.: The dependence of dissolution rates on grain size for some fresh and weathered feldspars, Geochim. Cosmochim. Ac., 56, 3957–3970, 1992. 
Bach, L. T.: The additionality problem of Ocean Alkalinity Enhancement, Biogeosciences Discuss. [preprint], https://doi.org/10.5194/bg-2023-122, in review, 2023. 
Bach, L. T., Gill, S. J., Rickaby, R. E. M., Gore, S., and Renforth, P.: CO2 removal with enhanced weathering and ocean alkalinity enhancement: Potential risks and co-benefits for marine pelagic ecosystems, Front. Clim., 1, 7, https://doi.org/10.3389/fclim.2019.00007, 2019. 
Ben-Yaakov, S. and Goldhaber, M. B.: The influence of seawater composition on the apparent constants of the carbonate system, Deep-Sea Res., 20, 87–99, 1972. 
Bockmon, E. E. and Dickson, A. G.: An inter-laboratory comparison assessing the quality of seawater carbon dioxide measurements, Mar. Chem., 171, 36–43, 2015. 
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Short summary
Ocean alkalinity enhancement is a promising approach for long-term anthropogenic carbon dioxide sequestration, required to avoid catastrophic climate change. In this chapter we describe its impacts on seawater carbonate chemistry speciation and highlight pitfalls that need to be avoided during sampling, storage, measurements, and calculations.
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