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Institute for Atmospheric and Climate Science
 
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Simulations of Global Climate and Climate Change with General Circulation Models

Upcoming events

6 Events found:

  1. Fri 24. Oct. 2014 11:00 : ETH Zentrum, CHN L 17.1
    Dr. Geert Jan van Oldenborgh : Extreme event attribution: How rare was it, and was it due to climate change?
    Special Event
    Details iCal
  2. Mon 27. Oct. 2014 13:00 : ETH Zentrum, CHN L 17.1
    Anna Possner : The Dynamics and Microphysics of Atmospheric Ship Tracks at the Mesoscale
    Special Event (PhD Defense)
    Details iCal
  3. Mon 27. Oct. 2014 16:15 : ETH Zentrum, CAB G 11
    Prof. Pier Siebesma : What do we know about low cloud feedbacks?
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal
  4. Mon 03. Nov. 2014 16:15 : ETH Zentrum, CAB G 11
    Prof. Andreas Vieli : The role of ocean terminating glaciers and ice sheets in a changing climate
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal
  5. Mon 10. Nov. 2014 16:15 : ETH Zentrum, CAB G 11
    Dr. Ryan R. Neely III : Stratospheric Aerosols and Climate Variability: The Good, The Bad, and The Ugly
    Kolloquium Atmos. & Klima (Kolloquium) NeelyETHAbstract.pdf
    Details iCal
  6. Mon 17. Nov. 2014 16:15 : ETH Zentrum, CAB G 11
    Prof. Daniel Knopf : Heterogeneous Processes of Atmospheric Particles: Ice Nucleation and OH Oxidation Kinetics
    Kolloquium Atmos. & Klima (Kolloquium)
    Details iCal

ETH-Klimablog

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

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

Collaborations

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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© 2014 ETH Zurich | Imprint | Disclaimer | 25 January 2005
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