Biogeosciences
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Articles | Volume 19, issue 18
Articles | Volume 19, issue 18
https://doi.org/10.5194/bg-19-4589-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-4589-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 18
Research article
 | 
27 Sep 2022
Research article |  | 27 Sep 2022

A Numerical reassessment of the Gulf of Mexico carbon system in connection with the Mississippi River and global ocean

Le Zhang and Z. George Xue

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Short summary
We adopt a high-resolution carbon model for the Gulf of Mexico (GoM) and calculate the decadal trends of important carbon system variables in the GoM from 2001 to 2019. The GoM surface CO2 values experienced a steady increase over the past 2 decades, and the ocean surface pH is declining. Although carbonate saturation rates remain supersaturated with aragonite, they show a slightly decreasing trend. The northern GoM is a stronger carbon sink than we thought.
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