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Diagnostic Study of the Influence of Lateral Boundary Conditions for the Remo Rcm Simulations Over the Carpathian Basin : Volume 6, Issue 1 (26/04/2011)

By Szépszó, G.

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Book Id: WPLBN0003990337
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File Size: Pages 8
Reproduction Date: 2015

Title: Diagnostic Study of the Influence of Lateral Boundary Conditions for the Remo Rcm Simulations Over the Carpathian Basin : Volume 6, Issue 1 (26/04/2011)  
Author: Szépszó, G.
Volume: Vol. 6, Issue 1
Language: English
Subject: Science, Advances, Science
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Szépszó, G. (2011). Diagnostic Study of the Influence of Lateral Boundary Conditions for the Remo Rcm Simulations Over the Carpathian Basin : Volume 6, Issue 1 (26/04/2011). Retrieved from

Description: Hungarian Meteorological Service, P.O. Box 38, 1525 Budapest, Hungary. At the Hungarian Meteorological Service, two experiments were accomplished with the REMO5.0 regional climate model: (1) a simulation of a past period from 1961 to 2000, driven by the ECMWF ERA40 re-analysis data, and (2) a transient run from 1951 to 2100 driven by the ECHAM5/MPI-OM global coupled atmosphere-ocean model using SRES A1B forcing. The integration domain covers continental Europe with 25 km horizontal resolution in both experiments. Present article is dedicated to the investigation of the simulation results for the past period. The results for 1961–1990 were compared on the one hand with observations, and on the other hand, with each other and the corresponding global fields in order to assess the impact of the different lateral boundary conditions on the results focusing on the area of our interest, i.e., Hungary. The evaluation indicated that the re-analysis driven experiment provides warm and in summer dry past climate over the Carpathian Basin, whereas lower temperature and higher precipitation values are obtained when the lateral boundary information is derived from a global climate model. Based on the validation, it is concluded that the temperature characteristics in the simulation-driven case outperformed the experiment forced by quasi-perfect (i.e., re-analysis) data, however, similar apparent conclusion cannot be drawn for precipitation. This paper is undertaking to give deeper insight into the details and possible reasons for these outcomes.

Diagnostic study of the influence of lateral boundary conditions for the REMO RCM simulations over the Carpathian Basin

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