Electric field characteristics of leader and return in triggered lightning

zhang qi-lin; qie xiu-shu; zhou yun-jun; zhang ting-long; kong xiang-zhen; feng gui-li; yang jing; zhao yang; zhang yi-jun

Volume 18 Issue 12

Dec. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(12): 0-

zhang qi-lin, qie xiu-shu, zhou yun-jun, et al. Electric field characteristics of leader and return in triggered lightning[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhang qi-lin, qie xiu-shu, zhou yun-jun, et al. Electric field characteristics of leader and return in triggered lightning[J]. High Power Laser and Particle Beams, 2006, 18.

zhang qi-lin, qie xiu-shu, zhou yun-jun, et al. Electric field characteristics of leader and return in triggered lightning[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhang qi-lin, qie xiu-shu, zhou yun-jun, et al. Electric field characteristics of leader and return in triggered lightning[J]. High Power Laser and Particle Beams, 2006, 18.

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Electric field characteristics of leader and return in triggered lightning

1.
Laboratory of Western Climatic and Environment Disaster Research,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou 730000,China;
2.
Loboratory of Lightning Physics and Protection,Chinese Academy of Meteorological Sciences,Beijing 100081,China

Publish Date: 2006-12-15

Abstract

Abstract

In the summer of 2005, a comprehensive observation on triggered lightning discharges was conducted in Binzhou, Shandong. Five lightning flashes were successfully triggered with three with classical triggering method and two with altitude triggering method. The vertical electric field changes of the bidirection leader system and the dart leader-return stroke of negative triggered lightning discharges at distances of 60 m and 550 m are presented. The electric field changes produced by the bidirection leader system at 60 m and 550 m are negative 4.70~14.60 kV/m and positive 0.11~0.16 kV/m, respectively. The slope coefficient of the charge distribution along lightning channel for the bidirection leader system is estimated to be (1.2~3.8)×10-7C·m-2. The dart leader-return stroke sequences ap
- triggered lightning,
- leader,
- stroke,
- electric fields change,
- lightning protection

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