Ocean Acidification (OA) is a misnomer. Oceans are alkaline.
The pH of the world’s oceans varies between 7.5 and 8.3 — the acid zone starts below ‘neutral’ pH7. For an explanation of OA, see Jo Nova: The Chemistry of pH and "acidification."
ICES Journal of Marine Science have issued an entire journal devoted to a review of all the papers published re Ocean Acidification: Volume 73 Number 3 February/March 2016
The review is conducted by Editor Howard I. Browman - Institute of Marine Research, Marine Ecosystem Acoustics Disciplinary Group, Austevoll Research Station, 5392 Storebø, Norway. Howard Brownman has had 71 publications in peer review journals.
His introduction to the review in the Journal of Marine Science is titled: