Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, Potsdam, D-14473 Germany
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive Mail Stop 183-601, Pasadena, CA 91106 United States
Santa Barbara Applied Research, 200 S. Los Robles Ave Suite 620, Pasadena, CA 91101 United States
Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, Potsdam, D-14473 Germany
Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, Potsdam, D-14473 Germany ; Klima und Umweltphysik, Physikalisches Institut, Universität Bern, Sidlerstrasse 5, Bern, CH-3012 Switzerland ;