[1]阳宏声,卢炳夫,植耀玲,等.2017—2018年广西三维闪电特征分析[J].气象研究与应用,2020,41(03):43-48.[doi:10.19849/j.cnki.CN45-1356/P.2020.3.08]
　Yang Hongsheng,Lu Bingfu,Zhi Yaoling,et al.Analysis of 3D lightning characteristics in Guangxi[J].Journal of Meteorological Research and Application,2020,41(03):43-48.[doi:10.19849/j.cnki.CN45-1356/P.2020.3.08]
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2017—2018年广西三维闪电特征分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年03期
页码:
43-48
栏目:
研究论文
出版日期:
2020-09-30

文章信息/Info

Title:
Analysis of 3D lightning characteristics in Guangxi
作者:
阳宏声;  卢炳夫;  植耀玲;  伍华丽
广西壮族自治区气象灾害防御技术中心, 南宁 530022
Author(s):
Yang Hongsheng;  Lu Bingfu;  Zhi Yaoling;  Wu Huali
Meteorological Disasters Defense Technology Center of Guangxi, Nanning 530022
关键词:
三维闪电; 时空分布; 雷暴日; 雷电流特征
Keywords:
3D lightning; spatial and temporal distribution; thunderstorm days; lightning current characteristic
分类号:
P446
DOI:
10.19849/j.cnki.CN45-1356/P.2020.3.08
摘要:
利用2017-2018年广西ADTD-2C型三维闪电定位探测系统监测数据，分析了广西三维闪电时空分布规律和雷电流特征。结果表明，2017-2018年广西多数地区的年总闪电密度为8~16次·km-2·a-1；秋、冬季的云闪比大于50%，冬季的正闪比大于50%；全年各月均有闪电发生，5-9月是广西闪电发生集中期，闪电频次日变化呈单峰分布，主峰发生在13-20时之间；雷暴日部分地区超过220d，比人工观测值明显偏大；云地闪的电流强度主要在5~35kA之间，大部分地区的单位面积闪电电流强度值为25~30 kA·km-2·a-1。
Abstract:
Using the monitoring data of Guangxi ADTD-2C 3D lightning positioning and detection system from 2017 to 2018, the spatial and temporal distribution of Guangxi 3D lightning and lightning current characteristics were analyzed. The results show that the total annual lightning density in most areas of Guangxi from 2017 to 2018 is 8~16times·km-2·a-1. The proportion of intracloud lightning in autumn and winter is more than 50%, and so does the proportion of positive polarity lightning in winter. Lightning occurs in every month of the year. From May to September is the concentrated period of lightning in Guangxi. Daily lightning frequency showed a single peak distribution, and the main peak occurred between 13 and 20 o’clock. The thunderstorm day exceeds 220 days in some areas, which is obviously larger than the artificial observation value. The current intensity of cloud-to-ground lightning is mainly between 5 kA and 35 kA, and the lightning current intensity per unit area is between 25 kA·km-2·a-1 and 30 kA·km-2·a-1 in most areas.

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备注/Memo

备注/Memo:
收稿日期:2020-06-23。
基金项目:广西气象科研计划项目（2017M12）
作者简介:阳宏声(1962-),男,学士,正高级工程师,主要从事雷电监测预警、防雷检测、雷电防护技术研究等工作。E-mail:gxflzxyhs@sina.com
更新日期/Last Update: 1900-01-01