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| 基于大气电场与闪电资料的雷电临近预警方法 | |
| 引用本文： | 罗林艳,祝燕德,王智刚,郭在华,罗宇.基于大气电场与闪电资料的雷电临近预警方法[J].成都信息工程学院学报,2010,25(5):524-530. |
| 作者姓名： | 罗林艳 祝燕德 王智刚 郭在华 罗宇 |
| 作者单位： | 1. 成都信息工程学院电子工程学院,四川,成都,610225 2. 湖南省气象局,湖南,长沙,410007 3. 湖南省防雷中心,湖南,长沙,410007 |
| 摘 要： | 针对大气电场仪进行雷电预警误报率高的问题,提出了一种利用多站大气电场仪组网观测地面电场,并结合闪电定位系统的观测进行雷电预警的方法。该方法结合了大气电场仪与闪电定位仪的优点,利用电场强度阈值和闪电发生的距离阈值,得出雷电预警等级的方法。采用此方法可以降低仅用电场强度来预警所造成的误报率,并能估计出雷暴的移动方向。经检验,此方法TS评分为0.73,漏报率为0.21,空报率为0.09。此算法对于由远及近的雷电活动,或者距离很近的雷电活动有较高的预警准确率。算法对10km内的强雷暴预警效果最好。 |
| 关 键 词： | 大气物理学与大气环境 雷电 电场强度 距离 雷电预警 TS评分 |
Lightning Nowcasting and Warning Method Based on Atmospheric Electric Field Data and Lightning Location Data |
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| LUO Lin-yan,ZHU Yan-de,WANG Zhi-gang,GUO Zai-hua,LUO Yu.Lightning Nowcasting and Warning Method Based on Atmospheric Electric Field Data and Lightning Location Data[J].Journal of Chengdu University of Information Technology,2010,25(5):524-530. | |
| Authors: | LUO Lin-yan ZHU Yan-de WANG Zhi-gang GUO Zai-hua LUO Yu |
| Institution: | LUO Lin-yan1,ZHU Yan-de2,WANG Zhi-gang3,GUO Zai-hua1,LUO Yu1(1.School of electronic engineering,CUIT,Chengdu 610225,China,2.Hunan Province Meteorological Bureau,Changsha 410007,3.Lightning Protection Center of Hunan Province,China) |
| Abstract: | According to the high false alarm rate of the lightning nowcasting only using atmospheric electric field intensity,a method,which integarated the observation of electric field with multistatic network and lightning location system,is presented in the paper.In this method,The advantages of the electric field instrument and the lightning location system were combined.We choosed electric field intensity and the distance between the lightning and the electric field instrument as warning factors to decrease the ... |
| Keywords: | atmospheric physics and environment lightning electric field intensity distance lightning nowcasting TS score |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |