Theoretical and Applied Climatology

, Volume 130, Issue 3–4, pp 1175–1188 | Cite as

Sensitivity analysis of different parameterization schemes using RegCM4.3 for the Carpathian region

  • Ildikó Pieczka
  • Rita Pongrácz
  • Karolina Szabóné André
  • Fanni Dóra Kelemen
  • Judit Bartholy
Original Paper


In order to quantify the impact of the use of different parameterization schemes on regional climate model outputs, hindcast experiments have been completed applying the Regional Climate Model version 4.3 (RegCM4.3) for the Carpathian region and its surroundings at 10-km horizontal resolution with three different cumulus convection schemes. Besides, the sensitivity of outputs for subgrid-scale processes is also studied by activating the subgrid Biosphere-Atmosphere Transfer Scheme (BATS) model within other RegCM experiments. Among the analyzed factors, RegCM is most sensitive to the applied convection scheme. The impact of closure assumption related to the used convective parameterization is secondary, while the use of subgridding has less influence on the outputs. RegCM4.3 results show improved performance over our previous model simulations but still have larger amplitude for annual precipitation cycle than the measurement-based reference data. Our validation results for temperature and precipitation suggest that for the selected region, the overall best performance is achieved when using the mixed Grell-Emanuel scheme together with Fritsch and Chappell closure.


Regional Climate Model Parameterization Scheme Cumulus Parameterization Cumulus Convection Carpathian Basin 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Research leading to this paper has been supported by the following sources: the Hungarian Scientific Research Fund under grant K-83909, the AGRÁRKLIMA2 project (VKSZ_12-1-2013-0034), and the EEA Grant HU04 Adaptation to Climate Change Program (EEA-C13-10). Validation data is provided from CARPATCLIM Database, which has been compiled with the support of the European Commission in JRC in 2013.


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Copyright information

© Springer-Verlag Wien 2016

Authors and Affiliations

  • Ildikó Pieczka
    • 1
  • Rita Pongrácz
    • 1
  • Karolina Szabóné André
    • 1
  • Fanni Dóra Kelemen
    • 1
    • 2
  • Judit Bartholy
    • 1
  1. 1.Department of MeteorologyEötvös Loránd UniversityBudapestHungary
  2. 2.Institute for Geophysics and MeteorologyUniversity of CologneCologneGermany

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