1. School of Oceanography, University of Washington, Seattle, WA, USA.
2. College of Marine Science, University of South Florida, St. Petersburg, FL, USA.
3. Department of Atmospheric and Oceanic Sciences, University of California Los Angeles, Los Angeles, CA, USA.
4. LEGOS, University of Toulouse, IRD, CNRS, CNES, UPS, Toulouse, France.
5. Biogeochemistry Department, Southern California Coastal Water Research Project, Costa Mesa, CA, USA.
6. Biology Department, University of Washington, Seattle, WA, USA.