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DOI: 10.1002/2015GL066933
论文题名:
Modification of the lower ionospheric conductivity by thunderstorm electrostatic fields
作者: Salem M.A.; Liu N.; Rassoul H.K.
刊名: Geophysical Research Letters
ISSN: 0094-9527
EISSN: 1944-9258
出版年: 2016
卷: 43, 期:1
起始页码: 5
结束页码: 12
语种: 英语
英文关键词: conductivity ; electron density ; ELF/VLF waves ; reflection height ; the lower ionosphere ; thunderstorm electrostatic field
Scopus关键词: Carrier concentration ; Electric conductivity ; Electric furnaces ; Electron density measurement ; Electrostatics ; Ionosphere ; Ionospheric measurement ; Thunderstorms ; Electron heating effect ; ELF/VLF ; Extremely low frequencies ; Lower ionosphere ; Lower ionospheric conductivity ; Orders of magnitude ; Self-consistent calculation ; Very low frequency ; Electrons
英文摘要: This paper reports a modeling study of the modifications of the nighttime lower ionospheric conductivity by electrostatic fields produced by underlying thunderstorms. The model used combines Ohm's law with a simplified lower ionospheric ion chemistry model to self-consistently calculate the steady state nighttime conductivity above a thunderstorm. The results indicate that although the electron density is generally increased, the lower ionospheric conductivity can be reduced by up to 1-2 orders of magnitude because electron mobility is significantly reduced due to the electron heating effect. For a typical ionospheric density profile, the resulting changes in the reflection heights of extremely low frequency and very low frequency waves are 5 and 2 km, respectively. © 2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84956581938&doi=10.1002%2f2015GL066933&partnerID=40&md5=ce6b6dabdcd42a881075b0341f3b65d4
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被引频次[WOS]:9   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10490
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Geospace Physics Laboratory, Department of Physics and Space Sciences, Florida Institute of Technology, Melbourne, FL, United States

Recommended Citation:
Salem M.A.,Liu N.,Rassoul H.K.. Modification of the lower ionospheric conductivity by thunderstorm electrostatic fields[J]. Geophysical Research Letters,2016-01-01,43(1).
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