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Dynamiques saisonnière et pluriannuelle du système des carbonates dans les eaux de surface en mer Méditerranée

Abstract : The Mediterranean Sea is often considered as a laboratory ocean for understanding global changes related to the atmospheric CO2 increase. This work, based on the study of data collected in three Mediterranean regions, investigates the variations of oceanic CO2 in this basin. On a seasonal timescale, in addition to temperature changes, alkalinity content influences the CO2 content in the Eastern Mediterranean, while total carbon changes are responsible for variations in the Western Basin. In urbanised coastal areas, anthropogenic CO2 emission’ influences air-sea CO2 exchanges. This study shows that the carbon increase and the acidification on a multi-year timescale is not only due to the increase in atmospheric CO2: the alkalinity content modulates these trends in the eastern basin, while, in the western basin, these trends are likely influenced by current dynamics.
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Contributor : Cathy Wimart-Rousseau Connect in order to contact the contributor
Submitted on : Wednesday, January 12, 2022 - 3:13:35 PM
Last modification on : Friday, January 14, 2022 - 3:02:46 AM
Long-term archiving on: : Wednesday, April 13, 2022 - 11:08:37 PM


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  • HAL Id : tel-03523187, version 1


Cathy Wimart-Rousseau. Dynamiques saisonnière et pluriannuelle du système des carbonates dans les eaux de surface en mer Méditerranée. Sciences de l'environnement. Aix-Marseile Université, 2021. Français. ⟨tel-03523187⟩



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