1. NOAA/Pacific Marine Environmental Laboratory; Seattle; Washington; USA
2. Joint Institute for the Study of Atmosphere and Ocean; University of Washington; Seattle; Washington; USA
3. School of Environmental Science and Engineering; Pohang University of Science and Technology; Pohang; Republic of Korea
4. University of Miami/Rosenstiel School of Marine and Atmospheric Sciences; Miami; Florida; USA
5. Atmospheric and Oceanic Sciences Program; Princeton University; Princeton; New Jersey; USA
6. NOAA/Atlantic Oceanographic and Meteorological Laboratory; Miami; Florida; USA
7. Carbon Dioxide Information Analysis Center; Oak Ridge; Tennessee; USA
8. Hokkaido National Fisheries Research Institute; Kushiro; Japan
9. Institute of Ocean Sciences; Sidney; British Columbia; Canada