On correcting precipitation as simulated by the regional climate model COSMO-CLM with daily rain gauge observations |
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Authors: | Ralf Lindau Clemens Simmer |
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Institution: | 1. Meteorological Institute, University of Bonn, Auf dem Hügel 20, Bonn, Germany
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Abstract: | Precipitation amounts simulated by the regional climate model COSMO-CLM are compared with observations from rain gauges at German precipitation stations for the period 1960–2000. The model overestimates precipitation by about 26 %. This bias is accompanied with a shift of the frequency distribution of rain intensities. The model overestimation varies regionally. A correction function is derived which adjusts rain intensities at every model grid point to the observations. |
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