Natural and anthropogenic decadal pH decrease in the North Atlantic and Mediterranean Sea waters

Emma Huertas, Puerto REAL, Cadiz, Spain, Susana Flecha, Spanish National Research Council, Ecology and Coastal Management, Puerto Real, Spain, Akihiko Murata, Japan Agency for Marine-Earth Science and Technology, Research & Development Center for Global Change, Yokosuka, Japan, Jesus Garcia Lafuente, ETSI Telecommunicacion, Malaga, Spain and F.F. F PĂ©rez, CSIC, IIM, Vigo, Spain