Biogeosciences
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Articles | Volume 20, issue 1
Articles | Volume 20, issue 1
https://doi.org/10.5194/bg-20-27-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-27-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 1
Research article
 | 
03 Jan 2023
Research article |  | 03 Jan 2023

Limits and CO2 equilibration of near-coast alkalinity enhancement

Jing He and Michael D. Tyka

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Short summary
Recently, ocean alkalinity enhancement (OAE) has gained interest as a scalable way to address the urgent need for negative CO2 emissions. In this paper we examine the capacity of different coastlines to tolerate alkalinity enhancement and the time scale of CO2 uptake following the addition of a given quantity of alkalinity. The results suggest that OAE has significant potential and identify specific favorable and unfavorable coastlines for its deployment.
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