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Interaction between adjacent lightning discharges in clouds

delete2013-06-18
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王艳辉 (Yanhui Wang) *
G
Guangshu Zhang
张彤 cover
张彤 (Tong Zhang)
Y
Yajun Li
B
Bin Wu
张廷龙 (Tinglong Zhang)
DOI:10.1007/s00376-012-2008-9delete
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Abstract

Abstract

En 中文
Using a 3D lightning radiation source locating system (LLS), three pairs of associated lightning discharges (two or more adjacent lightning discharges following an arbitrary rule that their space-gap was less than 10 km and their time-gap was less than 800 ms) were observed, and the interaction between associated lightning discharges was analyzed. All these three pairs of associated lightning discharges were found to involve three or more charge regions (the ground was considered as a special charge region). Moreover, at least one charge region involved two lightning discharges per pair of associated lightning discharges. Identified from electric field changes, the subsequent lightning discharges were suppressed by the prior lightning discharges. However, it is possible that the prior lightning discharge provided a remaining discharge channel to facilitate the subsequent lightning discharge. The third case provided evidence of this possibility. Together, the results suggested that, if the charges in the main negative charge region can be consumed using artificial lightning above the main negative charge regions, lightning accidents on the ground could be greatly reduced, on the condition that the height of the main negative charge region and the charge intensity of the lower positive charge region are suitable.
Keywords:
associated lightning
inverted-polarity intracloud discharge
charge region
electrical structure
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Journal

Advances in Atmospheric Sciences cover
Advances in Atmospheric Sciences
IF:
5.5
Papers:
9.6K
Citations:
6.9K

Organization

C
chinese academy of sciences
Scholars:
56.5W
Papers: 44.9W
Citations: 704