Dr. F.R. (Fredrik) Jansson


I work on weather and climate simulations as a postdoc in the in the Ruisdael project. My background is in computational physics with my PhD in Physics from Åbo Akademi University in Finland. I enjoy do-it-yourself electronics, pattern formation, and progamming for home-made hardware projects and games.


I'm a developer of the DALES model – the Dutch Atmospheric Large Eddy Simulation. DALES is a local atmospheric model which resolves convection and individual clouds.

I work on improving the model performance in a collaboration with the Netherlands eScience Center. I am interested in pattern formation processes, in improving the model performance and also its usability, and in exploring different high-performance computer systems.

  • Assessing uncertainties from physical parameters and modelling choices in an atmospheric LES model
    F. Jansson, W. Edeling, J. Attema, and D. Crommelin,
    Philosophical Transactions of the Royal Society A (2000, accepted).
  • Clouds and Convective Self-Aggregation in a Multi-Model Ensemble of Radiative-Convective Equilibrium Simulations
    Allison A. Wing, et al.
    Journal of Advances in Modeling Earth Systems (2020)
  • Regional superparameterization in a Global Circulation Model using Large Eddy Simulations
    Fredrik Jansson, Gijs van den Oord, Inti Pelupessy, Johanna H. Grönqvist, A. Pier Siebesma, Daan Crommelin
    Journal of Advances in Modeling Earth Systems (2019)
  • Morphogenesis in robot swarms
    I. Slavkov, D. Carrillo-Zapata, N. Carranza, X. Diego, F. Jansson, J. Kaandorp, S. Hauert, J. Sharpe
    Science Robotics 3, Issue 25, eaau9178 (2018)

I'm working in the Ruisdael Observatory,on setting up and running a high-resolution atmospheric model over the Netherlands.

I am also working on superparameterization, a method for improving the representation of clouds, convection, and turbulence in global weather models. For this project I was involved in developing a superparameterized version of the OpenIFS global atmospheric model using DALES.

Fredrik Jansson

Researcher & software engineer

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