Ocean Science
Ocean Science
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Articles | Volume 22, issue 3
Articles | Volume 22, issue 3
https://doi.org/10.5194/os-22-1569-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-22-1569-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 3
Research article
 | 
18 May 2026
Research article |  | 18 May 2026

Quantifying farmed kelp atmospheric CO2 uptake and release through localized air-sea flux measurements in the Northern Gulf of Alaska

Josianne Haag, Cale A. Miller, Jonah Jossart, and Amanda L. Kelley

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Short summary
This study explores the growing interest in using farmed kelp as a method of marine carbon dioxide removal, focusing on two kelp farms in the Northern Gulf of Alaska. We measured net air-sea carbon dioxide exchange using sensors placed inside and outside each farm from winter to spring 2024. One farm served as a carbon sink while one served as a source of carbon dioxide to the atmosphere. Our findings highlight the importance of site selection in modulating local carbon capture.
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