DOI: 10.1002/2015JD023745
论文题名: Statistical analysis of storm electrical discharges reconstituted from a lightning mapping system, a lightning location system, and an acoustic array
作者: Gallin L.-J. ; Farges T. ; Marchiano R. ; Coulouvrat F. ; Defer E. ; Rison W. ; Schulz W. ; Nuret M.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2016
卷: 121, 期: 8 起始页码: 3929
结束页码: 3953
语种: 英语
英文关键词: acoustics
; lightning
; natural
; reconstruction
; statistics
; thunder
Scopus关键词: acoustic array
; acoustic method
; acoustics
; cloud to ground lightning
; electrical property
; mapping method
; reconstruction
; statistical analysis
; thunderstorm
; France
英文摘要: In the framework of the European Hydrological Cycle in the Mediterranean Experiment project, a field campaign devoted to the study of electrical activity during storms took place in the south of France in 2012. An acoustic station composed of four microphones and four microbarometers was deployed within the coverage of a Lightning Mapping Array network. On the 26 October 2012, a thunderstorm passed just over the acoustic station. Fifty-six natural thunder events, due to cloud-to-ground and intracloud flashes, were recorded. This paper studies the acoustic reconstruction, in the low frequency range from 1 to 40 Hz, of the recorded flashes and their comparison with detections from electromagnetic networks. Concurrent detections from the European Cooperation for Lightning Detection lightning location system were also used. Some case studies show clearly that acoustic signal from thunder comes from the return stroke but also from the horizontal discharges which occur inside the clouds. The huge amount of observation data leads to a statistical analysis of lightning discharges acoustically recorded. Especially, the distributions of altitudes of reconstructed acoustic detections are explored in detail. The impact of the distance to the source on these distributions is established. The capacity of the acoustic method to describe precisely the lower part of nearby cloud-to-ground discharges, where the Lightning Mapping Array network is not effective, is also highlighted. ©2016. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62897
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: CEA, DAM, DIF, Arpajon, France; Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Jean le Rond d'Alembert, UMR 7190, Paris, France; LERMA, Observatoire de Paris, Paris, France; New Mexico Institute of Mining and Technology, Socorro, NM, United States; OVE, Vienna, Austria; Météo-France CNRM, GMME, MICADO, Toulouse, France
Recommended Citation:
Gallin L.-J.,Farges T.,Marchiano R.,et al. Statistical analysis of storm electrical discharges reconstituted from a lightning mapping system, a lightning location system, and an acoustic array[J]. Journal of Geophysical Research: Atmospheres,2016-01-01,121(8)