Time variability of the north-western Mediterranean Sea pH over 1995–2011. Marcellin Yao, K., Marcou, O., Goyet, C., Guglielmi, V., Touratier, F., & Savy, J. Marine Environmental Research, 116:51–60, May, 2016.
Time variability of the north-western Mediterranean Sea pH over 1995–2011 [link]Paper  doi  abstract   bibtex   
Factors controlling ocean acidification and its temporal variations were studied over the 1995–2011 period at the Dyfamed site at 10 m depth, in the North Mediterranean Sea. The results indicated a mean annual decrease of 0.003 ± 0.001 pH units on the seawater scale. The seasonal variability was characterized by a pH decrease during springtime and a strong pH increase in late fall. Anthropogenic CO2 (CANT) absorption by the ocean was the key driver of seawater acidification in this region, accounting for about 70% of the observed drop in pH, followed by water temperature (about 30%). The total inorganic carbon (CT) data showed a CT increase of 30.0 ± 1.0 μmol kg−1 per decade. This decadal increase is mainly due to the CANT penetration (43.2 μmol kg−1 per decade) in surface waters, which is mitigated for by relatively small opposing changes in CT due to physical and biological processes.
@article{marcellin_yao_time_2016,
	title = {Time variability of the north-western {Mediterranean} {Sea} {pH} over 1995–2011},
	volume = {116},
	issn = {0141-1136},
	url = {http://www.sciencedirect.com/science/article/pii/S0141113616300174},
	doi = {10.1016/j.marenvres.2016.02.016},
	abstract = {Factors controlling ocean acidification and its temporal variations were studied over the 1995–2011 period at the Dyfamed site at 10 m depth, in the North Mediterranean Sea. The results indicated a mean annual decrease of 0.003 ± 0.001 pH units on the seawater scale. The seasonal variability was characterized by a pH decrease during springtime and a strong pH increase in late fall. Anthropogenic CO2 (CANT) absorption by the ocean was the key driver of seawater acidification in this region, accounting for about 70\% of the observed drop in pH, followed by water temperature (about 30\%). The total inorganic carbon (CT) data showed a CT increase of 30.0 ± 1.0 μmol kg−1 per decade. This decadal increase is mainly due to the CANT penetration (43.2 μmol kg−1 per decade) in surface waters, which is mitigated for by relatively small opposing changes in CT due to physical and biological processes.},
	urldate = {2019-04-15},
	journal = {Marine Environmental Research},
	author = {Marcellin Yao, Koffi and Marcou, Olivier and Goyet, Catherine and Guglielmi, Véronique and Touratier, Franck and Savy, Jean-Philippe},
	month = may,
	year = {2016},
	keywords = {Ocean acidification, Mediterranean sea, Anthropogenic CO},
	pages = {51--60}
}
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