Articles | Volume 22, issue 12
https://doi.org/10.5194/bg-22-3103-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-3103-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Jul 2025
Research article |
| 01 Jul 2025
| 01 Jul 2025
Amplified bottom water acidification rates on the Bering Sea shelf from 1970–2022
Darren J. Pilcher
CORRESPONDING AUTHOR
Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, Seattle, WA, USA
NOAA Pacific Marine Environmental Laboratory, Seattle, WA, USA
Jessica N. Cross
NOAA Pacific Marine Environmental Laboratory, Seattle, WA, USA
Pacific Northwest National Laboratory, Sequim, WA, USA
Natalie Monacci
College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
Linquan Mu
Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, Seattle, WA, USA
Kelly A. Kearney
Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, Seattle, WA, USA
NOAA Alaska Fisheries Science Center, Seattle, WA, USA
Albert J. Hermann
Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, Seattle, WA, USA
NOAA Pacific Marine Environmental Laboratory, Seattle, WA, USA
Wei Cheng
Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, Seattle, WA, USA
NOAA Pacific Marine Environmental Laboratory, Seattle, WA, USA
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Short summary
The Bering Sea shelf is a highly productive marine ecosystem that is vulnerable to ocean acidification. We use a computational model to simulate the carbon cycle and acidification rates from 1970–2022. The results suggest that bottom water acidification rates are more than twice as great as surface rates. Bottom waters are also naturally more acidic. Thus these waters will pass key thresholds known to negatively impact marine organisms, such as red king crab, much sooner than surface waters.
The Bering Sea shelf is a highly productive marine ecosystem that is vulnerable to ocean...
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