Articles | Volume 13, issue 3
Ocean Sci., 13, 411–426, 2017
https://doi.org/10.5194/os-13-411-2017
Ocean Sci., 13, 411–426, 2017
https://doi.org/10.5194/os-13-411-2017

Research article 15 May 2017

Research article | 15 May 2017

Coastal ocean acidification and increasing total alkalinity in the northwestern Mediterranean Sea

Lydia Kapsenberg et al.

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Short summary
In the interest of global ocean change, weekly water samples were collected at a coastal site in the northwestern Mediterranean Sea (2007–2015). Seawater pH declined faster than expected from anthropogenic carbon dioxide increase. Total alkalinity increased, but the driver could not be identified, and it may be linked to changes in freshwater chemistry of watersheds. This is the first coastal acidification time-series providing multiyear data at high temporal resolution.