Development of Lightning Detection Technique with Application of Lightning Data

Zhang Yijun; Meng Qing; Ma Ming; Dong Wansheng; Lü Weitao

Vol.17, NO.5, 2006

Article Contents

Article Navigation > Journal of Applied Meteorological Science > 2006 > 17(5): 611-620

Zhang Yijun, Meng Qing, Ma Ming, et al. Development of lightning detection technique with application of lightning data. J Appl Meteor Sci, 2006, 17(5): 611-620.

Citation:

Zhang Yijun, Meng Qing, Ma Ming, et al. Development of lightning detection technique with application of lightning data. J Appl Meteor Sci, 2006, 17(5): 611-620.

Zhang Yijun, Meng Qing, Ma Ming, et al. Development of lightning detection technique with application of lightning data. J Appl Meteor Sci, 2006, 17(5): 611-620.

Citation:

Zhang Yijun, Meng Qing, Ma Ming, et al. Development of lightning detection technique with application of lightning data. J Appl Meteor Sci, 2006, 17(5): 611-620.

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Development of Lightning Detection Technique with Application of Lightning Data

Laboratory of Lightning Physics and Protection, Chinese Academy of Meteorological Sciences, Beijing 100081

Received Date: 2006-06-03
Rev Recd Date: 2006-08-03
Publish Date: 2006-10-31

Abstract

Abstract

The developments of lightning detection techniques and methods are summarized. The applications of lightning data to the lightning warning, protection and their monitoring in severe weather are expounded. The techniques and methods of lightning detection network construction in China are also discussed. The approaches of lightning warning by using the lightning data are suggested.The lightning discharges occur in the strong convection thunderstorms and produce large currents, high voltage and strong electromagnetism radiation. So, the lightning discharges can cause personnel injuries, casualties and the property losses. The development of the lightning detection technique is very important to the lightning research and the development of lightning protection techniques. The lightning detection technique has been developing rapidly with the development of science and technology. Some means are provided for lightning monitoring and warning. It is very significant for the mitigation of lightning disasters. Meanwhile, the thunderstorms are the main sources of the lightning discharge occurrences. The monitoring of the lightning discharge may help indicate the occurrences of the severe weather such as hailstorms and rainstorms in some extent. The relationships among strong thunderstorms'dynamics, microphysical processes and lightning discharge characteristics are studied by using the lightning detection data combined with the radar and weather observations. The characteristics of the severe weather and the lightning discharge may be revealed. The methods and techniques of the severe weather warning such as the hailstorm, rainstorm may be developed by using the monitoring information of the lightning discharges. It will provide the new methods and techniques for the monitoring and forecasting of the severe weather and the foundation of improving the forecast level of the severe weather.
- lightning locating;
- lighting detection network;
- lightning warning

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References(22)

Figures and Tables

图 1 闪电频谱和探测技术

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图 2 闪电电场变化波形

(a) 云闪放电波形, (b) 地闪首次回击波形, (c) 地闪继后回击波形

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图 3 卫星观测的全球全年闪电密度分布图 (单位:次·km^-2·a^-1) ^[18]

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图 4 美国2002-2004年间全国地闪密度分布 (单位:次·km^-2·a^-1)

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图 5 美国2000年6月29日23:29 (世界时) 一次龙卷风发生前大约7 min内闪电VHF辐射源的时空分布

(a) 闪电VHF辐射源高度随时间的变化, (b) 在南北方向上的立面投影, (c) 辐射源数目 (N) 随高度的直方图分布, (d) 平面投影, (e) 东西方向上的立面投影 (图中颜色随时间由蓝、绿、黄到红色逐渐变化, Δ和×分别标明了负地闪和正地闪发生的时间和位置; 图中□表示测站位置; D为距坐标原点的距离) ^[22]

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表 1 OTD与LIS各种特性比较

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