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The observation and simulation of ionospheric response to CIR/high-speed streams-induced geomagnetic activity on 4 April 2005
Chen, Yanhong; Wang, Wenbin; Qiu, Na; Liu, Siqing; Gong, Jiancun; Huang, Wengeng; Chen, Yanhong (chenyh@nssc.ac.cn)
Department空间环境部
Source PublicationRadio Science
2016
ISSN0048-6604
Language英语
AbstractThe ionospheric response to corotating interaction region (CIR)-induced geomagnetic activity on 4 April 2005 has been studied using in situ electron density measurements, ground GPS-total electron content (TEC) observations, and numerical simulations of the National Center for Atmospheric Research Thermosphere-Ionosphere-Electrodynamics General Circulation Model (TIE-GCM). The case study resulted that the ionospheric positive response occurred from high to low latitudes. The positive effect at low latitudes could continue for 4days, whereas at middle to high latitudes the disturbance mainly lasted only for 1day. The modeled Ne and TEC from TIE-GCM had a good agreement with those from observations. The simulation results showed that penetration electric fields were responsible for the daytime positive response during the initial and main phases of the geomagnetic storm, while neutral winds were responsible for the presunset positive effects. The long-lasting positive storm effect during the storm recovery time at low latitudes was related to the thermospheric composition (O/N2) changes during the storm event. © 2016. American Geophysical Union. All Rights Reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5580
Collection空间环境部
Corresponding AuthorChen, Yanhong (chenyh@nssc.ac.cn)
Recommended Citation
GB/T 7714
Chen, Yanhong,Wang, Wenbin,Qiu, Na,et al. The observation and simulation of ionospheric response to CIR/high-speed streams-induced geomagnetic activity on 4 April 2005[J]. Radio Science,2016.
APA Chen, Yanhong.,Wang, Wenbin.,Qiu, Na.,Liu, Siqing.,Gong, Jiancun.,...&Chen, Yanhong .(2016).The observation and simulation of ionospheric response to CIR/high-speed streams-induced geomagnetic activity on 4 April 2005.Radio Science.
MLA Chen, Yanhong,et al."The observation and simulation of ionospheric response to CIR/high-speed streams-induced geomagnetic activity on 4 April 2005".Radio Science (2016).
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