1. a Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California
2. b College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon
3. c Woods Hole Oceanographic Institution, Woods Hole, Massachusetts
4. d Applied Physics Laboratory, University of Washington, Seattle, Washington
5. e Department of Oceanography, University of Hawai‘i at Mānoa, Honolulu, Hawaii
6. f University of Victoria, Victoria, British Columbia, Canada
7. g Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York
8. h University of California, Irvine, Irvine, California