Articles | Volume 2-oae2023
https://doi.org/10.5194/sp-2-oae2023-2-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/sp-2-oae2023-2-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
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
Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
Lennart T. Bach
Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
Andrew G. Dickson
Scripps Institution of Oceanography, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
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Cited
21 citations as recorded by crossref.
- The additionality problem of ocean alkalinity enhancement L. Bach 10.5194/bg-21-261-2024
- Responses of microbial metabolic rates to non-equilibrated silicate- versus calcium-based ocean alkalinity enhancement L. Marín-Samper et al. 10.5194/bg-21-5707-2024
- Mesocosm experiments in ocean alkalinity enhancement research U. Riebesell et al. 10.5194/sp-2-oae2023-6-2023
- Seawater carbonate chemistry based carbon dioxide removal: towards commonly agreed principles for carbon monitoring, reporting, and verification P. Halloran et al. 10.3389/fclim.2025.1487138
- Assessing the technical aspects of ocean-alkalinity-enhancement approaches M. Eisaman et al. 10.5194/sp-2-oae2023-3-2023
- Assessing the impacts of simulated ocean alkalinity enhancement on viability and growth of nearshore species of phytoplankton J. Oberlander et al. 10.5194/bg-22-499-2025
- Early life stages of fish under ocean alkalinity enhancement in coastal plankton communities S. Goldenberg et al. 10.5194/bg-21-4521-2024
- Investigating the effect of silicate- and calcium-based ocean alkalinity enhancement on diatom silicification A. Ferderer et al. 10.5194/bg-21-2777-2024
- An assessment of ocean alkalinity enhancement using aqueous hydroxides: kinetics, efficiency, and precipitation thresholds M. Ringham et al. 10.5194/bg-21-3551-2024
- Review and syntheses: Ocean alkalinity enhancement and carbon dioxide removal through marine enhanced rock weathering using olivine L. Geerts et al. 10.5194/bg-22-355-2025
- Natural analogs to ocean alkalinity enhancement A. Subhas et al. 10.5194/sp-2-oae2023-8-2023
- Monitoring, reporting, and verification for ocean alkalinity enhancement D. Ho et al. 10.5194/sp-2-oae2023-12-2023
- Technical note: Ocean Alkalinity Enhancement Pelagic Impact Intercomparison Project (OAEPIIP) L. Bach et al. 10.5194/bg-21-3665-2024
- Ocean alkalinity enhancement approaches and the predictability of runaway precipitation processes: results of an experimental study to determine critical alkalinity ranges for safe and sustainable application scenarios N. Suitner et al. 10.5194/bg-21-4587-2024
- Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement – identification of biological thresholds and importance of precautionary principle N. Bednaršek et al. 10.5194/bg-22-473-2025
- Modelling considerations for research on ocean alkalinity enhancement (OAE) K. Fennel et al. 10.5194/sp-2-oae2023-9-2023
- Field experiments in ocean alkalinity enhancement research T. Cyronak et al. 10.5194/sp-2-oae2023-7-2023
- Assessing the Limit of CO2 Storage in Seawater as Bicarbonate-Enriched Solutions S. Varliero et al. 10.3390/molecules29174069
- Carbon dioxide removal efficiency of iron and steel slag in seawater via ocean alkalinity enhancement C. Moras et al. 10.3389/fclim.2024.1396487
- Marine carbon dioxide removal by alkalinization should no longer be overlooked K. Kowalczyk et al. 10.1088/1748-9326/ad5192
- The Role of Benthic TA and DIC Fluxes on Carbon Sequestration in Seagrass Meadows of Dongsha Island L. Fan et al. 10.3390/jmse12112061
17 citations as recorded by crossref.
- The additionality problem of ocean alkalinity enhancement L. Bach 10.5194/bg-21-261-2024
- Responses of microbial metabolic rates to non-equilibrated silicate- versus calcium-based ocean alkalinity enhancement L. Marín-Samper et al. 10.5194/bg-21-5707-2024
- Mesocosm experiments in ocean alkalinity enhancement research U. Riebesell et al. 10.5194/sp-2-oae2023-6-2023
- Seawater carbonate chemistry based carbon dioxide removal: towards commonly agreed principles for carbon monitoring, reporting, and verification P. Halloran et al. 10.3389/fclim.2025.1487138
- Assessing the technical aspects of ocean-alkalinity-enhancement approaches M. Eisaman et al. 10.5194/sp-2-oae2023-3-2023
- Assessing the impacts of simulated ocean alkalinity enhancement on viability and growth of nearshore species of phytoplankton J. Oberlander et al. 10.5194/bg-22-499-2025
- Early life stages of fish under ocean alkalinity enhancement in coastal plankton communities S. Goldenberg et al. 10.5194/bg-21-4521-2024
- Investigating the effect of silicate- and calcium-based ocean alkalinity enhancement on diatom silicification A. Ferderer et al. 10.5194/bg-21-2777-2024
- An assessment of ocean alkalinity enhancement using aqueous hydroxides: kinetics, efficiency, and precipitation thresholds M. Ringham et al. 10.5194/bg-21-3551-2024
- Review and syntheses: Ocean alkalinity enhancement and carbon dioxide removal through marine enhanced rock weathering using olivine L. Geerts et al. 10.5194/bg-22-355-2025
- Natural analogs to ocean alkalinity enhancement A. Subhas et al. 10.5194/sp-2-oae2023-8-2023
- Monitoring, reporting, and verification for ocean alkalinity enhancement D. Ho et al. 10.5194/sp-2-oae2023-12-2023
- Technical note: Ocean Alkalinity Enhancement Pelagic Impact Intercomparison Project (OAEPIIP) L. Bach et al. 10.5194/bg-21-3665-2024
- Ocean alkalinity enhancement approaches and the predictability of runaway precipitation processes: results of an experimental study to determine critical alkalinity ranges for safe and sustainable application scenarios N. Suitner et al. 10.5194/bg-21-4587-2024
- Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement – identification of biological thresholds and importance of precautionary principle N. Bednaršek et al. 10.5194/bg-22-473-2025
- Modelling considerations for research on ocean alkalinity enhancement (OAE) K. Fennel et al. 10.5194/sp-2-oae2023-9-2023
- Field experiments in ocean alkalinity enhancement research T. Cyronak et al. 10.5194/sp-2-oae2023-7-2023
4 citations as recorded by crossref.
- Assessing the Limit of CO2 Storage in Seawater as Bicarbonate-Enriched Solutions S. Varliero et al. 10.3390/molecules29174069
- Carbon dioxide removal efficiency of iron and steel slag in seawater via ocean alkalinity enhancement C. Moras et al. 10.3389/fclim.2024.1396487
- Marine carbon dioxide removal by alkalinization should no longer be overlooked K. Kowalczyk et al. 10.1088/1748-9326/ad5192
- The Role of Benthic TA and DIC Fluxes on Carbon Sequestration in Seagrass Meadows of Dongsha Island L. Fan et al. 10.3390/jmse12112061
Latest update: 22 Feb 2025
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.
Ocean alkalinity enhancement is a promising approach for long-term anthropogenic carbon dioxide...
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