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Analyses on the Characteristic of Cloud-to-Ground Lightning Flash in Da Hinggan Ling Forest Region
Author(s): 
Pages: 147-156
Year: Issue:  1
Journal: Chinese Journal of Atmospheric Sciences

Keyword:  大兴安岭林区雷暴地闪连续电流;
Abstract: 利用2009年夏季在大兴安岭林区开展的雷暴及闪电的多站GPS同步观测资料,详细分析了该地区的地闪放电特征.通过对464次地闪资料的分析,发现具有单次回击的地闪所占的比例高达69,且正地闪比例较高,达到了22%.对连续电流的统计表明,约有27%的地闪伴随有连续电流过程且长连续电流过程主要出现在具有单次回击的负地闪中,其平均持续时间为127.4ms.进一步分析发现连续电流的持续时间与引发连续电流的回击...
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