Kenneth S Johnson¹, Stephen Riser², Lynne D Talley³, Dr. Susan Anne Wijffels, PhD⁴, Yuichiro Takeshita¹, Sarah G Purkey⁵, Alison R Gray², David P Nicholson⁶, Todd R Martz⁷, George I Matsumoto¹, Roberta M Hotinski⁸ and Andrea J Fassbender⁹, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)University of Washington, School of Oceanography, Seattle, United States, (3)Scripps Institution of Oceanography, UCSD, La Jolla, United States, (4)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (5)Scripps Institution of Oceanography, University of California San Diego, San Diego, United States, (6)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, (7)Scripps Institution of Oceanography, La Jolla, United States, (8)Princeton University, Princeton, NJ, United States, (9)NOAA Pacific Marine Environmental Laboratory, Seattle, United States