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Dr. Philipp J. Griewank

Address Pohligstr. 3, 50969 Köln
Room 3.112
Phone +49 (0)221 470-6363
Fax +49 (0)221 470-5161
Mail philipp.griewank(at)uni-koeln.de

Research Topics

  • Parametrizing physical processes
  • Multi-phase thermodynamics
  • Numerical geophysical fluid dynamics
  • Data assimilation and sea-ice forecasting
  • Modelling sea-ice thermodynamics & dynamics


  • Current project: HD(CP)2: Probability density function cloud schemes for ICON and their interaction with radiation.
  • Previous project: Towards a next generation sea ice forecasting platform covering the Barents and Kara Seas (see here and here).


  • Wiese, M., P. Griewank and Dirk Notz (2015): On the thermodynamics of melting sea ice versus melting freshwater ice. Annals of Glaciology, http://dx.doi.org/ 10.3189/2015AoG69A874
  • Griewank, P. and Dirk Notz (2015): A 1-D modelling study of Arctic sea-ice salinity. The Cryosphere, http://dx.doi.org/10.5194/tc-9-305-2015
  • Griewank, P. and Dirk Notz (2013): Insights into brine dynamics and sea ice desalina- tion from a 1-D model study of gravity drainage. Journal of Geophysical Research Oceans, http://dx.doi.org/10.1002/jgrc.20247
  • Vancoppenolle, M., Notz, D., Vivier, F., Tison, J., Delille, B., Carnat, G., Zhou, J., Jardon, F., Griewank, P., Lourenco, A., and Haskell, T. (2013): Technical Note: On the use of the mushy-layer Rayleigh number for the interpretation of sea-ice-core data. The Cryosphere Discussions, dx.doi.org/10.5194/tcd-7-3209-2013

Diploma Thesis

Griewank, P. J. (2010): A Conservative Scheme for the Multi-layer Shallow-water System based on Nambu Representation and the ICON Grid, Freie Univerität Berlin.

PhD Thesis

Griewank, P. J. (2013): A 1D model study of brine dynamics in sea ice, Max Planck Institute for Meteorology, Hamburg.