1. Norwegian Institute for Water Research; Bergen Norway
2. SKLEC-NIVA Centre for Marine and Coastal Research, State Key Laboratory for Estuarine and Coastal Research; East China Normal University; Shanghai China
3. Department of Geosciences; Centre for Arctic Gas Hydrate, Environment and Climate, Arctic University of Norway; Tromsø Norway
4. SINTEF Ocean AS; Trondheim Norway
5. Shirshov Institute of Oceanology; Russian Academy of Sciences; Moscow Russia