| 一次致害雷暴电荷轨迹分布特征研究 |
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| 引用本文： | 陈连友,居丽玲,孙丽华.一次致害雷暴电荷轨迹分布特征研究[J].安徽农业科学,2011,39(1):505-507. |
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| 作者姓名： | 陈连友 居丽玲 孙丽华 |
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| 作者单位： | 河北省秦皇岛市气象局,河北秦皇岛,066000 |
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| 摘 要： | 雷暴是一种能引起严重灾害的自然现象。2007年7月9日,秦皇岛市发生多起雷击事故,局部地点还出现了冰雹。利用＂GDS-2型高精度闪电探测仪＂监测到的雷暴天气和此次雷暴灾害天气过程资料,对出现雷暴、强雷暴灾害的电荷结构、闪电出现频率、闪电放电轨迹分布特征进行了分析。结果表明,7月9日雷暴、冰雹发生时,地面电场电荷以正电荷为主,地面电场闪电放电轨迹具有离散性、集中性和线性特征。揭示了闪电频次〉10次/min出现雷暴灾害、冰雹可能性大;闪电发生的集中地点极有可能出现雷暴、冰雹天气,应当及时预警预报,并建议采取有效措施对该地区进行防护。
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| 关 键 词： | 闪电频率 闪电轨迹 雷电预报 预警 |
Study on the Charge Track Distribution Characteristics of A Thunderstorm Disaster |
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| CHEN Lian-you et al.Study on the Charge Track Distribution Characteristics of A Thunderstorm Disaster[J].Journal of Anhui Agricultural Sciences,2011,39(1):505-507. |
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| Authors: | CHEN Lian-you |
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| Institution: | CHEN Lian-you et al (Qinhuangdao Meteorological Bureau,Qinhuangdao,Hebei 066000) |
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| Abstract: | Thunderstorm is a natural phenomenon what can brings about serious natural disaster.On July 9 of 2007,there were many lightning accidents in Qinghuangdao City and hailstone in parts of sites.A kind of high-precision meter and lightning orientator GDS-2 can commendably monitored thunderstorm weather and severe weather that accompany with thunder and lightning,monitoring data that included the structure of electric charge,the general frequency of lightning,and the distributional characteristics of electric ch... |
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| Keywords: | The frequency of lightning The path of lightning Thunder and lightning forecast Early warning |
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