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COMPARISON OF A HIGH-RESOLUTION REGIONAL SIMULATION AND THE ERA40 REANALYSIS OVER THE ALPINE REGION

Kerstin Prömmel ; GKSS Research Centre, Max-Planck-Str. 1, 21502 Geesthacht, Germany
Beate Müller ; GKSS Research Centre, Max-Planck-Str. 1, 21502 Geesthacht, Germany
Martin Widmann ; GKSS Research Centre, Max-Planck-Str. 1, 21502 Geesthacht, Germany
Julie Jones ; GKSS Research Centre, Max-Planck-Str. 1, 21502 Geesthacht, Germany

Sažetak

Within the EU project ALP-IMP a high-resolution regional simulation driven by the ERA40 reanalysis has been performed for the Greater Alpine Region (GAR) for the period 1958 to the present. A comparison of the high-resolution simulation and the ERA40 reanalysis regridded to 1 deg resolution with four different monthly mean temperature datasets for the GAR shows for both very high correlations of around 0.9, and in general slightly higher correlations for the regional simulation. Correlations of the regional simulation and the reanalysis with observations increase with spacial scale. The separation of the GAR into six subregions identifies the Po plain as a region where the high-resolution simulation as well as ERA40 have problems in reproducing the instrumental measurements.

Ključne riječi

ALP-IMP; high-resolution regional modelling; REMO; ERA40 reanalysis

Hrčak ID:

64614

URI

https://hrcak.srce.hr/64614

Datum izdavanja:

15.12.2005.

Posjeta: 986 *