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Postdoctoral Scientist

Dr. Cedrick Ansorge

Address Pohligstr. 3, 50969 Köln
Room 3.156
Phone +49 (0)221 470-3677
Fax +49 (0)221 470-5161
Mail cansorgeSpamProtectionuni-koeln.de 

Research Interest

My research interest is the planetary boundary layer of the earth atmosphere, in particular boundary layer turbulence. I work on issues of large-scale organisation and intermittency of turbulence and the interaction of turbulence with clouds and the surface. A second focus of my physical endeavour is the scale dependence of physical processes and their parameterisation. To study turbulence, I primarily use Numerical simulation (DNS, LES) of atmospheric flow and am also interested in development and application of novel numerical methods and algorithms for atmospheric flow simulation using massive parallel computing.

Research Fields:

  • Numerical Simulation of Turbulence (Direct Numerical Simulation, DNS and Large-Eddy Simulation, LES)

  • Stably stratified Planetary Boundary Layers (extreme stratification)

  • Maintenance and intermittency of turbulence in stratified conditions

  • Turbulent mixing parameterizations

  • Surface-Atmosphere Coupling

vergrößern: Visualization of an intermittently turbulent boundary layer

Selected Publications

[Link to complete bibliography]

  • 2019: C. Ansorge, Scale-dependence of atmosphere-surface coupling through similarity theory, Boundary-Layer Meteorol (172):1-27, doi:10.1007/s10546-018-0386-y
  • 2018: Bou-Zeid, Elie, Xiang Gao, Cedrick Ansorge, and Gabriel G Katul, On the Role of Return to Isotropy in Wall-Bounded Turbulent Flows with Buoyancy. J Fluid Mech (856):61-78 doi:10.1017/jfm.2018.693
  • 2018: I. G. H. van Hooijdonk, H. Clercx, C. Ansorge and B. J. H. van de Wiel, Parameters for the collapse of turbulence in the stratified plane Couette flow, J Atmos Sci (75)doi:10.1175/JAS-D-17-0335.1
  • 2017: B. Meyer, C. Ansorge and T. Nakagaki, The role of noise in self-organized decision making by True Slime Mold Polycaephalum Physarum, PLOS one (0172933) doi:10.1371/journal.pone.0172933
  • 2016: C. Ansorge and J. P. Mellado, Analysis of external and global intermittency in the logarithmic layer of Ekman flow, J Fluid Mech (805), 611-635 doi:10.1017/jfm.2016.534