1. Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research Bremerhaven Germany
2. Norwegian Polar Institute Tromsø Norway
3. Faculty of Physics/Electrical Engineering (FB 01) | Department of Geosciences (FB5) University of Bremen Bremen Germany
4. Laboratoire d'Océanographie Physique et Spatiale (LOPS), IUEM, Univ. Brest, CNRS, IRD, Ifremer Brest France