| 地闪与对流性天气系统中降水关系的分析 |
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| 引用本文： | 周筠君,郄秀书,张义军,葛正谟,楚荣忠,张鸿发,张广庶,王怀斌,贾伟.地闪与对流性天气系统中降水关系的分析[J].气象学报,1999,57(1):103-111. |
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| 作者姓名： | 周筠君 郄秀书 张义军 葛正谟 楚荣忠 张鸿发 张广庶 王怀斌 贾伟 |
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| 作者单位： | 中国科学院兰州高原大气物理研究所 |
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| 基金项目： | 中国科学院“西部之光”计划,甘肃省优秀青年基金,国家自然科学基金,中国科学院重大项目 |
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| 摘 要： | 利用１９９７年夏季在中国科学院兰州高原大气物理所平凉雷电与暴雹实验站设置的３站闪电定位系统所取得的地闪资料与雷达、降水及探空等资料进行了对比分析，发现地闪与对流性天气中的降水有较好的相关性，这种相关性用来对一般性对流天气中降水进行估测是可行的。通过非线性回归近似拟合得到平均雨强与对应时段内的地闪数回归方程为Ｒ＝１．６９２ｌｎＦ－０．２７３，相关系数ｒ为０．８６４１。同时地闪频数与层结最大不稳定能量一样能够指示对流性天气的发生和发展。
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| 关 键 词： | 地闪，对流性天气，降水 |
| 收稿时间： | 1997/12/10 0:00:00 |
| 修稿时间： | 1998/4/27 0:00:00 |
THE RELATIONSHIP BETWEEN CLOUD TO GROUND LIGHTNING AND PRECIPITATION IN THE CONVECTIVE WEATHER |
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| Zhou Yunjun,Qie Xiushu,Zhang Yijun,Ge Zhengmo,Chu Rongzhong,Zhang Hongf,Zhang Guangshu,Wang Huaibin and Jia Wei.THE RELATIONSHIP BETWEEN CLOUD TO GROUND LIGHTNING AND PRECIPITATION IN THE CONVECTIVE WEATHER[J].Acta Meteorologica Sinica,1999,57(1):103-111. |
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| Authors: | Zhou Yunjun Qie Xiushu Zhang Yijun Ge Zhengmo Chu Rongzhong Zhang Hongf Zhang Guangshu Wang Huaibin and Jia Wei |
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| Institution: | Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000;Lanzhou Institute of Plateau Atmospheric Physics, Chinese Academy of Sciences, Lanzhou, 730000 |
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| Abstract: | Based on the observation data of the lightning location system (three direction finders are set at Liupan mountain, Penyang and Pingliang lightning and thunderstorm experiment station respectively), radar, sounding and other weather background at Pingliang lightning and thunderstorm experiment station of Chinese Academy of Science between June and August in 1997, compared their applications in convective weather observation,it is found that cloud to ground lightning is an important index. The correlation coefficient between cloud to ground lightning and the precipitation in convective weather is so high that cloud to ground lightning can estimate precipitation. The regression equation between the precipitation intensity ( R ) and the frequency of cloud to ground lightning ( F ) is R=1.692 ln F-0.273 , and the correlation coefficient r is 0.8641. The frequency of cloud to ground lightning is just like the convective available potential energy, it can show the formation and development of the convective system. |
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| Keywords: | Cloud to ground lightning Precipitation in convective weather observation Rainfall |
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