On correcting precipitation as simulated by the regional climate model COSMO-CLM with daily rain gauge observations

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作者
Ralf Lindau
Clemens Simmer
机构
[1] University of Bonn,Meteorological Institute
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关键词
Rain Rate; Model Bias; Precipitation Trend; Model Precipitation; Rain Gauge Station;
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摘要
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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页码:31 / 42
页数:11
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