1. Alfred Wegener Institute for Polar and Marine Research Bremerhaven Germany
2. Shirshov Institute of Oceanology Moscow Russia
3. A. M. Obukhov Institute of Atmospheric Physics Moscow Russia
4. Department of Mathematics and LogisticsJacobs University Bremen Germany
5. Marine and Freshwater Research Institute Reykjavik Iceland
6. GEOMAR Helmholtz Centre for Ocean Research Kiel Kiel Germany