1. Department of Environmental Earth System Science, Stanford University, Stanford, CA 94305, USA.
2. Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory, Hanover, NH 03755, USA.
3. Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA.
4. Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.
5. Bigelow Laboratory for Ocean Sciences, West Boothbay Harbor, ME 04575, USA.
6. Bermuda Institute of Ocean Sciences, Ferry Reach GE01, Bermuda.
7. Marine Science Program and Department of Earth and Ocean Sciences, University of South Carolina, Columbia, SC 29208, USA.
8. Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.
9. Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, USA.
10. Graduate School of Geography, Clark University, Worcester, MA 01610, USA.
11. School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK 99775, USA.
12. Universite Pierre et Marie Curie, Laboratoire d'Océanographie de Villefranche, Villefranche-sur-Mer 06238, France.
13. Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada.
14. Laboratoire d'Océanographie Microbienne, Observatoire Océanologique, Centre Nationale de la Recherche Scientifiqueet Université Paris Pierre et Marie Curie, Banyuls/Mer 66650, France.
15. Colby College, Waterville, ME 04901, USA.