中国珠江三角洲闪电活动过程及参数特征

中国防雷 Pub Date : 2021-09-20 DOI:10.1109/ICLPandSIPDA54065.2021.9627436

S. Cheng, Jianguo Wang, L. Cai, Yijun Huang, Yutong Xiao, Quanxin Li

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引用次数: 1

摘要

对2014年8月19日发生在中国珠江三角洲的一次持续5小时的闪电活动过程进行了详细分析。基于佛山市总闪电定位系统，提出了总闪电过程的特征和参数。雷暴中共出现97249次闪电，其中云内闪(IC)占80.4%，云对地闪(CG)占18.8%，窄双极闪(NBE)占0.8%。集成电路闪光与总闪电的变化是同步的。超过96.69%的IC闪光高度在15 km以下，而7 ~ 10 km是IC闪光的最大概率区域。与集成电路闪光相比，NBE的高度分布相对混乱，其变化没有明显的趋势。

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A Total Lightning Activity Process and Parameter Characteristics at Pearl River Delta in China

A total lightning activity process lasting 5 hours occurred on August 19, 2014 at pearl river delta in China is analyzed in detail. Based on Foshan Total Lightning Location System, the characteristics and parameters of the total lightning process are proposed. The number of lightning flashes in the thunderstorm reach to 97249, of which intra-cloud(IC) flashes account for 80.4%, cloud-to-ground(CG) flashes 18.8% and narrow bipolar events (NBE) 0.8%. The variation of IC flashes and total lightning are synchronous. More than 96.69% of the height of IC flashes are below 15 km, while 7 km to 10 km is the maximum probability area of IC flashes. The height distribution of NBE is relatively disorganized compared with IC flashes, the variation of which does not show any visible trend.

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中国防雷

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