| A Numerical Study of Vortex and Precipitating Cloud Merging in Middle Latitudes |
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| 作者姓名： | 平凡 罗哲贤 琚建华 |
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| 作者单位： | [1]Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029 [2]Department of Spatial Information Science, Nanjing University of Information Sciences and Technology, Nanjing 210044 [3]Training Center, China Meteorological Administration, Beijing 100081 |
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| 基金项目： | Supported by the National Natural Science Found of China under Grant Nos 40333028 and 40305010, and the National key Basic Research Project of China under Grant No 2004CB418302. |
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| 摘 要： |
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| 关 键 词： | 数字研究 涡旋 中地理纬度 云 大气物理学 |
| 收稿时间： | 2006-01-20 |
| 修稿时间： | 2006-01-20 |
A Numerical Study of Vortex and Precipitating Cloud Merging in Middle Latitudes |
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| PING Fan, LUO Zhe-Xian, JU Jian-Hua.A Numerical Study of Vortex and Precipitating Cloud Merging in Middle Latitudes[J].Chinese Physics Letters,2006,23(5):1222-1225. |
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| Authors: | PING Fan LUO Zhe-Xian JU Jian-Hua |
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| Institution: | 1. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029; 2 Department of Spatial Information Science, Nanjing University of Information Sciences and Technology, Nanjing 210044 ; 3 Training Center, China Meteorological Administration, Beijing 100081 |
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| Abstract: | We mainly focus on the study of precipitating cloud merging associated with vortex merging. The vortex and precipitating cloud merging are simulated by the cloud resolving model from 0000 21 to 1800 23 July 2003. The results show that the model well simulates vortex circulation associated with precipitating clouds. It is also proven that the vortex merging follows the precipitating cloud merging although vortices show the spatial and temporal differences. The convection vorticity vector is introduced to describe the merging processes. Two merging cases are identified during the 42-h simulation and are studied. |
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