Meteorology and Atmospheric Physics

, Volume 121, Issue 1–2, pp 39–53 | Cite as

Regional dynamical downscaling with CCLM over East Asia

  • Dinan Wang
  • Christoph Menz
  • Thorsten Simon
  • Clemens Simmer
  • Christian Ohlwein
Review Article


Inspired by the framework of the Coordinated Regional Climate Downscaling Experiment (CORDEX), the hindcast (1971–2000) and projection (2021–2050) simulations based on a resolution of \(0.44^\circ\) over the East Asia domain are performed with the regional climate model COSMO-CLM (CCLM). The simulations are driven by ERA-40 reanalysis data and output of the global climate model ECHAM5. This is the first time that the CCLM is adapted and evaluated for the East Asia Monsoon region; the setup is considered a starting point for further improvements in this region by the CCLM community. The evaluation results show that the CCLM is able to reasonably capture the climate features in this region, especially the monsoon dynamics on small scales. However, total precipitation in the northern part of the domain, over the Tibetan Plateau, and over east Indonesia has a pronounced wet bias. The projected climate change under the A1B scenario indicates an overall annual surface temperature increase of 1–2 K, but no significant precipitation changes.


Tibetan Plateau East Asian Summer Monsoon East Asian Winter Monsoon Cold Bias General Circulation Model Output 



The work was funded by the DFG project (NDFG-SCHO-1384/1-1) and BMBF project (FK:02WM1042). ERA-40 reanalysis data was provided by ECMWF. Thanks also to the CLM-Community for providing the access to the model code and further guidance, especially to Dr. Burkhardt Rockel (Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research).


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Copyright information

© Springer-Verlag Wien 2013

Authors and Affiliations

  • Dinan Wang
    • 1
    • 2
  • Christoph Menz
    • 3
  • Thorsten Simon
    • 1
  • Clemens Simmer
    • 1
  • Christian Ohlwein
    • 1
  1. 1.Meteorological InstituteUniversity of BonnBonnGermany
  2. 2.Institute of Energy Systems and Energy BusinessHochschule Ruhr-West - University of Applied SciencesBottropGermany
  3. 3.Potsdam Institute for Climate Impact ResearchPotsdamGermany

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