1. Ocean and Earth Science; National Oceanography Centre Southampton, University of Southampton Waterfront Campus; Southampton UK
2. Laboratoire des Sciences du Climat et de l'Environnement; Gif sur Yvette France
3. Alfred Wegener Institut Helmholtz-Zentrum für Polar- und Meeresforschung; Helgoland Germany
4. GEOMAR Helmholtz Centre For Ocean Research Kiel; Kiel Germany
5. Eawag, Swiss Federal Institute of Aquatic Science and Technology; Dübendorf Switzerland
6. Institute of Biogeochemistry and Pollutant Dynamics, Swiss Federal Institute of Technology (ETH); Zurich Switzerland
7. Institute of Geochemistry and Petrology, Swiss Federal Institute of Technology (ETH); Zurich Switzerland
8. Bubbleology Research International; Solvang California
9. Department of Environmental Sciences; University of Basel; Basel Switzerland
10. CAGE - Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT The Arctic University of Norway; Tromsø Norway
11. Israel Oceanographic & Limnological Research, Yigal Allon Kinneret Limnological Laboratory; Migdal Israel
12. Institute of Oceanology, Polish Academy of Sciences; Sopot Poland
13. Leibniz Institute for Baltic Sea Research Warnemünde; Rostock Germany
14. Department of Earth; Planetary & Space Sciences and Atmospheric & Oceanic Sciences, University of California; Los Angeles Los Angeles, California
15. Institute of Geoscience, Christian Albrechts University Kiel; Kiel Germany