• Sea ice in the climate system
  • Representation of sea ice in climate models
  • Air-ice-sea interaction
  • Sensitivity studies with adjoint models
• Physical processes in sea ice
  
  • Salinity evolution of sea ice
  • Properties of the ice-ocean interface
  • Melt-water fluxes through sea ice
• Miscellaneous
  • Phase changes in multi-phase systems
  • Measurement techniques to determine the in-situ porosity of multi-phase, multi-component systems

Research group leader

since 2008: Head of Research Group "Sea ice in the Earth system" at the Max-Planck-Institute for Meteorology, Hamburg, Germany

Post-doc

2005-2007: "Gary-Comer-Fellow for Abrupt Climate Change" at the Max-Planck-Institute for Meteorology, Hamburg, Germany

Ph.D.

 2002-2005: Cambridge University, Department of Applied Mathematics and Theoretical Physics, Institute for Theoretical Geophysics.

"Thermodynamic and Fluid-Dynamical Processes in Sea Ice"

College/University

2001: Hamburg University, Germany, and University of Washington, Seattle, USA: Diploma thesis "Prozesse der Meereisentwicklung in der sommerlichen Arktis" ("Processes of sea-ice development in the Arctic during summer")

1999-2000: Studies of Arctic Geophysics, University Centre in Svalbard, Spitsbergen, Norway.

1996-2001: Studies of Meteorology, Hamburg University