globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL062190
论文题名:
Simultaneously measured lightning return stroke channel-base current and luminosity
作者: Carvalho F.L.; Jordan D.M.; Uman M.A.; Ngin T.; Gamerota W.R.; Pilkey J.T.
刊名: Geophysical Research Letters
ISSN: 0094-9599
EISSN: 1944-9330
出版年: 2014
卷: 41, 期:22
起始页码: 7799
结束页码: 7805
语种: 英语
英文关键词: current-to-luminosity delay ; lightning return stroke ; luminosity
Scopus关键词: Lightning ; Lightning protection ; Rockets ; Time delay ; Florida ; Lightning flashes ; Lightning return stroke ; Lightning return-stroke current ; Peak currents ; Return stroke ; Risetimes ; Wire techniques ; Luminance ; amplitude ; lightning ; luminescence ; measurement method ; Florida [United States] ; United States
英文摘要: The time delay between lightning return stroke current and the resultant luminosity was measured for 22 return strokes in eight lightning flashes triggered by the rocket-and-wire technique during the summer of 2014 in Florida. The current-to-luminosity delay measured at the channel base at the 20% amplitude level ranged from 30 to 200 ns with an average of 90 ns and at the 50% amplitude level ranged from 30 to 180 ns with an average of 94 ns. The delays are significantly shorter than that predicted by Liang et al. (2014) from theory. The current-to-luminosity delays increase with increasing current risetime, current risetime varying from 190 ns to 570 ns, but the delay appears not to depend on the peak current value. © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84923343862&doi=10.1002%2f2014GL062190&partnerID=40&md5=e359694db82b67fac4c16d90ccf24c88
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6863
Appears in Collections:气候减缓与适应

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作者单位: Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, United States

Recommended Citation:
Carvalho F.L.,Jordan D.M.,Uman M.A.,et al. Simultaneously measured lightning return stroke channel-base current and luminosity[J]. Geophysical Research Letters,2014-01-01,41(22).
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