| 优化网格法在小面积区域雷暴特征分析中的应用 |
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| 引用本文： | 石湘波,张其林,丁烨毅,邵程远,周溥佳.优化网格法在小面积区域雷暴特征分析中的应用[J].气象科学,2015,35(3):334-339. |
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| 作者姓名： | 石湘波 张其林 丁烨毅 邵程远 周溥佳 |
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| 作者单位： | 南京信息工程大学 大气物理学院, 南京 210044;宁波市气象局, 浙江宁波 315010,南京信息工程大学 大气物理学院, 南京 210044,宁波市气象局, 浙江宁波 315010,宁波市气象局, 浙江宁波 315010,宁波市气象局, 浙江宁波 315010 |
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| 基金项目： | 国家自然科学基金资助项目(41275009);宁波市气象局科技计划项目(NBQX2012010B) |
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| 摘 要： | 为满足小面积区域(10 000 km2左右)雷电防御工作准确化、精细化的要求, 选取人工观测半径用以优化1 km×1 km网格的雷电参数。实例分析表明:优化网格法可以修正1 km×1 km相邻网格的年平均地闪密度值的大幅波动, 避免相邻网格突变值的出现。也可以使1 km×1 km网格的雷电日更符合气象意义。并可以准确分析用于表征区域强雷暴分布的平均单位雷电日地闪密度和最大单位雷电日地闪密度等雷电参数。
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| 关 键 词： | 雷暴 地闪密度 优化网格法 |
| 收稿时间： | 2013/12/2 0:00:00 |
| 修稿时间： | 2014/5/14 0:00:00 |
Application of optimized grid method in characteristics analysis of small-area thunderstorm |
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| SHI Xiangbo,ZHANG Qilin,DING Yeyi,SHAO Chengyuan and ZHOU Pujia.Application of optimized grid method in characteristics analysis of small-area thunderstorm[J].Scientia Meteorologica Sinica,2015,35(3):334-339. |
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| Authors: | SHI Xiangbo ZHANG Qilin DING Yeyi SHAO Chengyuan and ZHOU Pujia |
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| Institution: | School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing 210044, China;Ningbo Meteorological Bureau, Zhejiang Ningbo 315010, China,School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing 210044, China,Ningbo Meteorological Bureau, Zhejiang Ningbo 315010, China,Ningbo Meteorological Bureau, Zhejiang Ningbo 315010, China and Ningbo Meteorological Bureau, Zhejiang Ningbo 315010, China |
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| Abstract: | For an accurate and precise lightning protection in small area (about 10 000 km2), the artificial observed radius value is selected to optimize the 1 km×1 km grid lightning parameters. The practical application shows that the optimized grid method can not only correct the large wave of the annual ground flash density between the adjacent grids due to the appearance of the jumping value between adjacent grids, but make the lightning day with 1 km×1 km grid more meteorologically meaningful. Furthermore, it can also accurately analyze the lightning parameters characterized in regional strong thunderstorm distribution, such as the average ground flash density, the maximum daily ground flash density, and so on. |
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| Keywords: | Thunderstorm Ground flash density Optimized grid method |
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