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首页> 外文期刊>Meteorology and Atmospheric Physics >On correcting precipitation as simulated by the regional climate model COSMO-CLM with daily rain gauge observations
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On correcting precipitation as simulated by the regional climate model COSMO-CLM with daily rain gauge observations

机译:在校正区域气候模型COSMO-CLM和日常雨量计观测值所模拟的降水

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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.
机译:将区域气候模型COSMO-CLM模拟的降水量与1960-2000年德国降水站雨量计的观测值进行了比较。该模型高估了降水约26%。这种偏见伴随着降雨强度频率分布的变化。模型的高估因地区而异。导出了一个校正函数,该函数可以根据观测值调整每个模型网格点的降雨强度。

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