1. Lamont-Doherty Earth Observatory; Palisades New York USA
2. Woods Hole Oceanographic Institution; Woods Hole Massachusetts USA
3. Cooperative Institute for Research in Environmental Sciences; University of Colorado; Boulder Colorado USA
4. NOAA Environmental Technology Laboratory; Boulder Colorado USA
5. Division of Applied Marine Physics, Rosenstiel School of Marine and Atmospheric Science; University of Miami; Miami Florida USA
6. Department of Chemistry; University of Montana; Missoula Montana USA
7. NOAA Atlantic Oceanographic and Meteorological Laboratory; Miami Florida USA
8. NOAA Pacific Marine and Environmental Laboratory; Seattle Washington USA