| SIMULATION OF HEAVY RAINFALL IN THE SUMMER OF 1998 OVER CHINA WITH REGIONAL CLIMATE MODEL |
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| 作者姓名： | 刘一鸣 丁一汇 |
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| 作者单位： | National Climate Center Beijing 100081，National Climate Center，Beijing 100081 |
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| 基金项目： | “National Key Program for Developing Basic Sciences”G1998040900，the National Natural Science Foundation of China(No.49794030). |
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| 摘 要： | The heavy rainfall in the summer of 1998 over China has been simulated with the NCCRegional Climate Model(RegCM_NCC).It was successful for RegCM_NCC to reproduce thelocation and seasonal shift of the seasonal rain belt in the summer of 1998 over China.The rainyseason in the summer of 1998 over China can be divided into 7 episodes,including the pre-summerrainy season in South China.the Meiyu onset over the Yangtze-Huaihe River Basin,shortappearance of North China rain season and the retreat of seasonal rain belt,the second Meiyuseason over the Yangtze River Valley,the rainy period over the Yellow and Huaihe River Valleyand the seasonal retreat of rain belt over North China.The shortcoming of the RegCM_NCC isover-estimation of precipitation amounts.The regions with large latent heat flux,upper soilmoisture and total runoff are located in the rainy area and move with the simulated rain belt duringthe different episodes.On the contrary,the regions with small sensible heat flux are located in thesimulated rainy area and move with the simulated rain belt during the different episodes.
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SIMULATION OF HEAVY RAINFALL IN THE SUMMER OF 1998 OVER CHINA WITH REGIONAL CLIMATE MODEL |
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| LIU Yiming DING Yihui National Climate Center.SIMULATION OF HEAVY RAINFALL IN THE SUMMER OF 1998 OVER CHINA WITH REGIONAL CLIMATE MODEL[J].Acta Meteorologica Sinica,2002(3). |
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| Authors: | LIU Yiming DING Yihui National Climate Center |
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| Institution: | LIU Yiming DING Yihui National Climate Center.Beijing 100081 |
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| Abstract: | The heavy rainfall in the summer of 1998 over China has been simulated with the NCC Regional Climate Model(RegCM_NCC).It was successful for RegCM_NCC to reproduce the location and seasonal shift of the seasonal rain belt in the summer of 1998 over China.The rainy season in the summer of 1998 over China can be divided into 7 episodes,including the pre-summer rainy season in South China.the Meiyu onset over the Yangtze-Huaihe River Basin,short appearance of North China rain season and the retreat of seasonal rain belt,the second Meiyu season over the Yangtze River Valley,the rainy period over the Yellow and Huaihe River Valley and the seasonal retreat of rain belt over North China.The shortcoming of the RegCM_NCC is over-estimation of precipitation amounts.The regions with large latent heat flux,upper soil moisture and total runoff are located in the rainy area and move with the simulated rain belt during the different episodes.On the contrary,the regions with small sensible heat flux are located in the simulated rainy area and move with the simulated rain belt during the different episodes. |
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| Keywords: | heavy rainfall regional climate model Meiyu |
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