I want to collaborate with an American partner working on ocean acidification and he should be aware of the monitoring techniques of carbon dioxide and other climatic change parameters.
ANy of the researchers at the link below would be a good starting point for discussion of your specific interests. https://sc.edu/study/colleges_schools/artsandsciences/earth_ocean_and_environment/research/research_areas/biogeochemistry_geochemistry/index.php
Specifically, UofSC's BMFL (baruch MArine Field Laboratory) does a lot of work on acidification of Atlantic upwelling at North WInyah Bay. Faculty listing is below. Director William (Bill) Strosnider can link you to ongoing researchers. https://www.baruch.sc.edu/directory