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Ionospheric characteristics associated with wave-particle interactions in a SED plume during a super geomagnetic storm
Yuan, Zhigang; Xiong, Ying; Zhang, Shunrong; Deng, Xiaohua; Wang, Jingfang; Yuan, ZG (reprint author), Wuhan Univ, Sch Elect Informat, BaYi Rd, Wuhan 430072, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
2013
Volume95-96Pages:96-101
ISSN1364-6826
Language英语
KeywordWave-particle Interaction Sed Plume Ionogram Plasmaspheric Plumes
AbstractWe report some interesting ionospheric characteristics associated with wave-particle interactions with observations of the ionosonde and co-located incoherent scatter radar (ISR) at Millstone Hill in a storm-enhanced density (SED) plume identified from two-dimensional GPS TEC maps during a super geomagnetic storm on Nov. 20, 2003. Firstly, the digisonde ionogram only contained echoes for scanning frequencies from 6.2 MHz to 9.3 MHz. The lack of echoes at frequencies below 6.2 MHz is attributed to enhancements of sub-ionospheric absorption caused by precipitating RC electrons in the SED plume. Secondly, there was an obvious F-1 layer, as well as an Es layer, appearing on the ISR profile, that was not observed by the digisonde due to strong sub-ionospheric absorption. For echoes at frequencies from 6.2 MHz to 93 MHz, a comparison of the virtual height obtained from the digisonde ionogram and that derived from the ISR electron density profile, demonstrated that an Es layer appeared with a peak altitude of 123 km. The occurrence of the Es layer is attributed to enhancements of precipitating energetic ion fluxes in the SED plume. Our result suggests that the ionospheric behavior in the SED plume is controlled not only by ionospheric dynamical process but also by precipitating energetic RC ions/ electrons as a consequence of wave-particle interactions in the plasmaspheric plume. (C) 2013 Elsevier Ltd. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5057
Collection空间科学部
Corresponding AuthorYuan, ZG (reprint author), Wuhan Univ, Sch Elect Informat, BaYi Rd, Wuhan 430072, Peoples R China.
Recommended Citation
GB/T 7714
Yuan, Zhigang,Xiong, Ying,Zhang, Shunrong,et al. Ionospheric characteristics associated with wave-particle interactions in a SED plume during a super geomagnetic storm[J]. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,2013,95-96:96-101.
APA Yuan, Zhigang,Xiong, Ying,Zhang, Shunrong,Deng, Xiaohua,Wang, Jingfang,&Yuan, ZG .(2013).Ionospheric characteristics associated with wave-particle interactions in a SED plume during a super geomagnetic storm.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,95-96,96-101.
MLA Yuan, Zhigang,et al."Ionospheric characteristics associated with wave-particle interactions in a SED plume during a super geomagnetic storm".JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 95-96(2013):96-101.
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