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DOI: 10.1002/2015GL063268
论文题名:
Effects of small thundercloud electrostatic fields on the ionospheric density profile
作者: Salem M.A.; Liu N.; Rassoul H.K.
刊名: Geophysical Research Letters
ISSN: 0094-8867
EISSN: 1944-8598
出版年: 2015
卷: 42, 期:6
起始页码: 1619
结束页码: 1625
语种: 英语
英文关键词: electron density ; electron lifetime ; electrostatic field ; lower ionosphere ; three-body electron attachment
Scopus关键词: Carrier concentration ; Electric fields ; Electron density measurement ; Electrons ; Electrostatics ; Ionization ; Ionosphere ; Rate constants ; Upper atmosphere ; Density profile ; Electron attachment ; Electron density profiles ; Electron impact-ionization ; Electron lifetime ; Lower ionosphere ; Model results ; Steady-state condition ; Impact ionization ; altitude ; electric field ; electron density ; ionosphere ; thundercloud ; thunderstorm ; upper atmosphere
英文摘要: Small electrostatic fields of values not strong enough to activate electron impact ionization, attachment, and detachment processes can be established in the upper atmosphere by underlying thunderstorms. This paper investigates their effects on the ionospheric densities by using a simplified ion chemistry model. The modeling results indicate that under the steady state condition, the nighttime electron density profile can be reduced by up to ∼40% or enhanced by a factor of up to ∼6 because of the variation of the three-body electron attachment rate constant with the electric field. Key Points Thunderstorms can establish small electrostatic fields in the upper atmosphere Electron density can be reduced by 40% or increased by a factor of 6 due to thunderstorm fields Electron lifetime increases from a few milliseconds to tens of seconds in 40-80km altitude range ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84927783635&doi=10.1002%2f2015GL063268&partnerID=40&md5=dcf45e84f32eacad0e913e9f10f5aea7
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8483
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.. Effects of small thundercloud electrostatic fields on the ionospheric density profile[J]. Geophysical Research Letters,2015-01-01,42(6).
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