Biogeosciences
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Articles | Volume 18, issue 23
Articles | Volume 18, issue 23
https://doi.org/10.5194/bg-18-6271-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-6271-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 23
Research article
 | 
07 Dec 2021
Research article |  | 07 Dec 2021

A modelling study of temporal and spatial pCO2 variability on the biologically active and temperature-dominated Scotian Shelf

Krysten Rutherford, Katja Fennel, Dariia Atamanchuk, Douglas Wallace, and Helmuth Thomas

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Latest update: 01 Nov 2025
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Short summary
Using a regional model of the northwestern North Atlantic shelves in combination with a surface water time series and repeat transect observations, we investigate surface CO2 variability on the Scotian Shelf. The study highlights a strong seasonal cycle in shelf-wide pCO2 and spatial variability throughout the summer months driven by physical events. The simulated net flux of CO2 on the Scotian Shelf is out of the ocean, deviating from the global air–sea CO2 flux trend in continental shelves.
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