[1]黄丹,植耀玲,卢炳夫,等.广西一次锋面暴雨的二维和三维地闪特征对比分析[J].气象研究与应用,2023,44(02):81-86.[doi:10.19849/j.cnki.CN45-1356/P.2023.2.14]
　Huang Dan,Zhi Yaoling,Lu Bingfu,et al.Comparative analysis of Cloud-To-Ground lightning characteristics of a frontal heavy rain using 2D and 3D systems in Guangxi[J].Journal of Meteorological Research and Application,2023,44(02):81-86.[doi:10.19849/j.cnki.CN45-1356/P.2023.2.14]
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广西一次锋面暴雨的二维和三维地闪特征对比分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第44卷
期数:
2023年02期
页码:
81-86
栏目:
研究论文
出版日期:
2023-06-15

文章信息/Info

Title:
Comparative analysis of Cloud-To-Ground lightning characteristics of a frontal heavy rain using 2D and 3D systems in Guangxi
作者:
黄丹1;  植耀玲1;  卢炳夫1;  黄伊曼2
1. 广西壮族自治区气象灾害防御技术中心, 南宁 530022;
2. 广西壮族自治区气象台, 南宁 530022
Author(s):
Huang Dan1;  Zhi Yaoling1;  Lu Bingfu1;  Huang Yiman2
1. Guangxi Meteorological Disaster Prevention Technology Center, Nanning 530022, China;
2. Guangxi Meteorological Observatory, Nanning 530022, China
关键词:
二维闪电定位系统; 三维闪电定位系统; 闪电频次; 强降水
Keywords:
2D lightning positioning system; 3D lightning positioning system; lightning frequency; intense precipitation
分类号:
P427.3
DOI:
10.19849/j.cnki.CN45-1356/P.2023.2.14
摘要:
利用二维(ADTD)、三维(VLF/LF)闪电和降水等资料,对2020年5月11日14-22时广西一次锋面暴雨过程,从闪电极性、时空分布、强度、与降水量相关性等参数进行评估,探讨不同闪电探测系统对广西雷暴天气过程中闪电的探测效率的影响,以及地闪频次与降水之间的关系。结果表明:(1)VLF/LF探测效率高于ADTD,尤其对正地闪及低强度地闪的探测能力更明显;(2)两套系统总地闪和负地闪活跃时段及变化趋势大体一致;(3)地闪主要落区与过程累积降水量30mm以上的分布区域基本一致,高的总闪和负地闪频次往往对应强的降水时段;(4)地形变化、定位站点数、定位站点距离对闪电定位系统的监测效率有较大影响。
Abstract:
The precipitation and lightning data from two-dimensional(2D; ADTD) and three-dimensional (3D; VLF/LF) lightning location systems were used to analyze the cloud-to-ground(CG)lightning characteristics with respect to lightning polarity, temporal and spatial distribution, intensity, and its correlation with precipitation of a frontal rainstorm process in Guangxi from 14-22 h on 11 May 2020. The influence of different lightning detection systems on the detection efficiency of lightning during thunderstorm weather in Guangxi, as well as the relationship between the frequency of ground lightning and precipitation were also evaluated. The results show that:(1)the detection efficiency of VLF/LF was higher than that of ADTD, especially for the positive CG lightning and low-intensity CG lightning.(2)The active periods and variation trends of the total CG lightning and negative CG lightning are were basically consistent between the two systems.(3)The high frequency regions of CG lightning were basically the same as the areas of accumulated rainfall greater than 30 mm. The high total and negative CG lightning frequencies often corresponded to the periods of heavy precipitation.(4)The terrain changes, the number and distance of location sites had a large impact on the monitoring efficiency of lightning positioning system.

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相似文献/References:

[1]卢炳夫,植耀玲,陈丹,等.广西VLF／LF和ADTD闪电定位系统对比分析[J].气象研究与应用,2020,41(02):39.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.08]
　Lu Bingfu,Zhi Yaoling,Chen Dan,et al.Comparative analysis of VLF/LF and ADTD lightning positioning system in Guangxi[J].Journal of Meteorological Research and Application,2020,41(02):39.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.08]

备注/Memo

备注/Memo:
收稿日期:2023-2-13。
基金项目:广西重点研发计划项目(桂科AB20238035)、广西气象科研计划项目(桂气科2023M10)
作者简介:黄丹(1992-),女,硕士研究生,工程师,从事雷电监测预警工作。E-mail:279197396@qq.com
通讯作者:植耀玲(1985-),女,硕士研究生,高级工程师,从事雷电监测预警、专业气象服务工作。E-mail:276089714@qq.com
更新日期/Last Update: 1900-01-01