Christian Haas

Christian Haas is a Professor at the University of Bremen's Institute for Environmental Physics and Head of the Sea Ice Physics Section at the Alfred Wegener Institute (AWI). His work focuses on Arctic and Antarctic sea ice dynamics, climate change impacts, and remote sensing techniques. He leads the IceBird airborne measurement campaigns and contributed to the MOSAiC expedition, studying sea ice thickness, snow cover, and ice-ocean interactions.

Key research interests include sea ice mass balance, dynamic vs. thermodynamic ice thickness changes, and the role of sea ice in global climate systems. His team uses electromagnetic induction, laser scanning, and satellite data for Arctic and Antarctic studies. Haas co-authored IPCC reports (4th and 5th Assessments) and advises on polar climate policy.

• Leadership roles: Head of Sea Ice Physics Section (AWI), Professor of Environmental Physics.
• Key projects: MOSAiC expedition, IceBird campaigns, ESA SIN'XS intercomparison.
• Awards: Recognized contributions to IPCC assessments.

Research highlights include quantifying ice thickness changes, melt pond evolution, and sub-ice platelet layer dynamics, with applications to climate models and policy.