Research Topics

Large scale circulation

  • The mechanistic global circulation model KMCM
  • Global circulation and the Rossby- wave activity 
  • atmospheric angular momentum balance of the polar caps 
  • Development of a simplified radiation transport model for global simulations with high scale resolution
  • Influence of solar variations on the circulation and on the coupling of the atmospheric layers 
  • Longitudinal dependent ozone trends in the stratosphere
  • Interaction between  Rossby- wave diffusion, ozone transport and radiation
  • CAWSES 

Waves

  • Thermal tides  
  • Explicit global simulation of gravity waves  
  • Gravity wave radiation and diffusion by breaking Rossby- waves, convection and orography 
  • Parameterization of gravity waves
  • LEWIZ- Campaign

Turbulence

  • Gravity wave breaking and turbulence  
  • Parameterization of turbulence for circulation models  
  • Atmospheric macro turbulence  

Large scale Circulation

Temperature and zonal Wind in a climate Simulation

Waves

Snapshot of temperature (K) in the area of the summer mesopause (ca. 90 km) from a global climate simulation with diffirent spacious filtering.

Turbulence

January- climatology of dissipation
Variability of dissipation in the summer mesosphere (here 60°S,0°O)