Biogeosciences
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Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/bg-21-1191-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-1191-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 5
Technical note
 | 
13 Mar 2024
Technical note |  | 13 Mar 2024

Technical note: Assessment of float pH data quality control methods – a case study in the subpolar northwest Atlantic Ocean

Cathy Wimart-Rousseau, Tobias Steinhoff, Birgit Klein, Henry Bittig, and Arne Körtzinger

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Short summary
The marine CO2 system can be measured independently and continuously by BGC-Argo floats since numerous pH sensors have been developed to suit these autonomous measurements platforms. By applying the Argo correction routines to float pH data acquired in the subpolar North Atlantic Ocean, we report the uncertainty and lack of objective criteria associated with the choice of the reference method as well the reference depth for the pH correction.
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