Leo Middleton, University of Gothenburg, Department of Marine Sciences, Gothenburg, Sweden, Nicole Couto, Scripps Institution of Oceanography, UC San Diego, La Jolla, United States, Alejandra Sanchez-Rios, IONTU Institute of Oceanography National Taiwan University, Taipei, Taiwan; University of Hawaii at Manoa, Honolulu, United States, Jennifer McKinnon, Scripps Institution of Oceanography, La Jolla, United States and J. Thomas Farrar, Woods Hole Oceanographic Inst, Physical Oceanography, Woods Hole, United States