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	An analysis of discharge processes of one cloud-to-ground lightning flash on the Qinghai-Xizang Plateau
	Kong Xiang-Zhen; Qie Xiu-Shu; Zhao Yang; Zhang Tong; Zhang Guang-Shu; Dong Wan-Sheng
刊名	CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
	2006-07-01
卷号	49期号:4页码:993-1000
关键词	Qinghai-Xizang Plateau high-speed digital camera system electric field change intracloud discharge return-stroke
ISSN号	0001-5733
通讯作者	Kong Xiang-Zhen(kongxz@lzb.ac.cn)
英文摘要	The processes of return-stroke and the intracloud discharge just before the first return stroke have been analyzed by using the data from a high-speed digital camera (1000 frames/s), slow antenna, fast antenna and VHF wide-band interferometer in Nagqu, the Qinghai-Xizang Plateau. The results suggest that the intracloud process occurred between the lower positive charge region and the middle negative charge region below the cloud. The negative charge region was located at about 2.8 similar to 4.5 km above the ground. The region of discharge initiation in the cloud was about 1.0 similar to 1.7 kin above the ground. The initial streamer of discharge showed several horizontal branches when it progressed out of the cloud body. The velocity of stepped leader was estimated to be about 1 X 10(5) m/s. During its propagation to the ground, the leader channel showed a bigger curl. The first return stroke of the lightning had no difference with that in the lower altitude regions, and its current peak value was about 24.1 kA. But the subsequent strokes were quite weak on the Plateau.
收录类别	SCI
WOS关键词	CHARGE STRUCTURE ; TIBETAN PLATEAU ; THUNDERSTORMS ; INITIATION ; STREAMER ; PRESSURE
WOS研究方向	Geochemistry & Geophysics
WOS类目	Geochemistry & Geophysics
语种	英语
出版者	SCIENCE CHINA PRESS
WOS记录号	WOS:000239222700009
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2555824
专题	寒区旱区环境与工程研究所
通讯作者	Kong Xiang-Zhen
作者单位	Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Kong Xiang-Zhen,Qie Xiu-Shu,Zhao Yang,et al. An analysis of discharge processes of one cloud-to-ground lightning flash on the Qinghai-Xizang Plateau[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2006,49(4):993-1000.
APA	Kong Xiang-Zhen,Qie Xiu-Shu,Zhao Yang,Zhang Tong,Zhang Guang-Shu,&Dong Wan-Sheng.(2006).An analysis of discharge processes of one cloud-to-ground lightning flash on the Qinghai-Xizang Plateau.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,49(4),993-1000.
MLA	Kong Xiang-Zhen,et al."An analysis of discharge processes of one cloud-to-ground lightning flash on the Qinghai-Xizang Plateau".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 49.4(2006):993-1000.

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