Institute for Atmospheric and Climate Science

Simulations of Global Climate and Climate Change with General Circulation Models

Upcoming events

4 Events found:

  1. Wed 17. Sep. 2014 11:00 : HG G 19.1
    Christian Kerkhoff : Statistical Methods to Analyze Climate Model Output
    Special Event (PhD Defense)
    Details iCal
  2. Mon 22. Sep. 2014 16:15 : ETH Zentrum, CAB G 11
    Prof. Anthony Patt : Weather-dependent intermittency of concentrated solar power, and whether it matters
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal
  3. Mon 29. Sep. 2014 16:15 : ETH Zentrum, CAB G 11
    Dr. Filippo Giorgi : Consistent hydroclimatic response to global warming: Models and observations
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal
  4. Mon 13. Oct. 2014 16:15 : ETH Zentrum, CAB G 11
    Prof. Martine Rebetez : Observed impact of temperature increase on the altitude of snowfall in the Swiss Alps
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal



Das IAC bloggt auf dem ETH-Klimablog, der Informationsplattform der ETH Zürich zum Klimawandel. Mehr auf

In a joint project with the Max-Planck-Institute for Meteorology (MPI), Hamburg, simulations of the global climate with the atmospheric general circulation model ECHAM are performed at the Swiss center for scientific computing, CSCS, Manno. The simulations are conducted with unprecedented high horizontal resolution at global scales (1.1\dg), a resolution previously restriced to numerical weather prediciton models with short integration periods. The emphasis is on simulations for present-day conditions and climate change scenarios with increased levels of CO2 concentration. The analysis of present climate simulations allows an estimate of the model accuracy and identifies weaknesses in the model parameterizations as guideline for further model improvement. The focus is on the radiation budget, on the surface hydrology and snow characteristics, and on the boundary layer structure. Furthermore the blocking performance of the model is evaluated. High resolution climate change experiments with doubled CO2 concentration are used to study possible changes in the mass balance of the polar ice sheets and associated sea-level rise, and changes in the earth's raditation budgetand in the surface hydrology. Regional changes with focus on the Alpine areas are assessed in the framework of the EU project SIDDACLICH.

Contact: Martin Wild, Andreas Rösch, Raelene Sheppard, Atsumu Ohmura


Max Planck Institut for Meteorology
Hamburg (Drs. E. Roeckner, U. Cubasch. L. Bengtsson)
Massachusetts Institute of Technology
Boston (Prof. P. Stone)
Center for Climate System Research
Tokyo (Dr. A. Abe-Ouchy, Prof. A. Sumi)
European Centre for Medium-Range Forcasts
Reading ( Dr. J.J. Morcrette)
Program for Climate Model Diagnosis and Intercomparison
Livermore, CA (Dr. G. Potter)
CSIRO Division of Atmospheric Research Melbourne
Melbourne (Drs. J. Garratt, B. Cechet)
Lamont-Doherty Earth Observatory of Columbia University
Palisades, New York (Dr. B. Liepert)


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