Articles | Volume 17, issue 9
Biogeosciences, 17, 2553–2577, 2020
https://doi.org/10.5194/bg-17-2553-2020

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Biogeosciences, 17, 2553–2577, 2020
https://doi.org/10.5194/bg-17-2553-2020

Research article 14 May 2020

Research article | 14 May 2020

Ocean carbonate system variability in the North Atlantic Subpolar surface water (1993–2017)

Coraline Leseurre et al.

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Cited articles

Bates, N., Astor, Y., Church, M., Currie, K., Dore, J., Gonaález-Dávila, M., Lorenzoni, L., Muller-Karger, F., Olafsson, J. and Santa-Casiano, M.: A Time-Series View of Changing Ocean Chemistry Due to Ocean Uptake of Anthropogenic CO2 and Ocean Acidification, Oceanography, 27, 126–141, https://doi.org/10.5670/oceanog.2014.16, 2014. 
Beaugrand, G., McQuatters-Gollop, A., Edwards, M., and Goberville, E.: Long-term responses of North Atlantic calcifying plankton to climate change, Nat. Clim. Change, 3, 263–267, https://doi.org/10.1038/nclimate1753, 2013. 
Becker, M., Steinhoff, T., and Körtzinger, A.: A Detailed View on the Seasonality of Stable Carbon Isotopes Across the North Atlantic, Global Biogeochem. Cy., 32, 1406–1419, https://doi.org/10.1029/2018GB005905, 2018. 
Breeden, M. L. and McKinley, G. A.: Climate impacts on multidecadal pCO2 variability in the North Atlantic: 1948–2009, Biogeosciences, 13, 3387–3396, https://doi.org/10.5194/bg-13-3387-2016, 2016. 
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In this study, we investigate the evolution of CO2 uptake and ocean acidification in the North Atlantic Subpolar surface water. Our results show an important reduction in the capacity of the ocean to absorb CO2 from the atmosphere (1993–2007), due to a rapid increase in the fCO2 and associated with a rapid decrease in pH. Conversely, data obtained during the last decade (2008–2017) show a stagnation of fCO2 (increasing the ocean sink for CO2) and pH.
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