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Wave-3 and wave-4 patterns in the low- and mid-latitude ionospheric TEC
Wang, Sicheng; Huang, Sixun; Fang, Hanxian; Wang, SC (reprint author), PLA Univ Sci & Technol, Inst Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
2015
Volume132Pages:82-91
ISSN1364-6826
Language英语
KeywordSpace-time Spectral Analysis Wave-3 And Wave-4 Patterns Ionospheric Tec
AbstractThe JPL global ionospheric maps (GIMs) from January 1, 1999 to December 31, 2013 are analyzed using the space-time spectral analysis method to obtain the tidal patterns in the ionospheric TEC. The results show that noticeable wave-3 and wave-4 signatures can be detected near the crests of equatorial ionospheric anomaly (EIA) regions. Wave-4 structure is comprised predominately by DE3 component, while wave-3 structure is comprised mainly by DE2 component. SPW4 (SPW3) component also accounts for the wave-4 (wave-3) signature. The absolute amplitude of all the aforementioned tidal and SPW signatures shows a saturation effect on the solar activity. The tidal components have significant seasonal variations, with the prominent latitudinal asymmetry. The relative amplitude of zonal mean TEC, however, shows persistent patterns with little solar activity dependence. DE3 is intense in March and September/October, and is weak in northern winter and southern summer. DE2 is strong in the southern hemisphere, and is weak in boreal winter. The amplitude of tide DE3 in TEC is smaller than that of DE2. (C) 2015 Elsevier Ltd. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4630
Collection空间科学部
Corresponding AuthorWang, SC (reprint author), PLA Univ Sci & Technol, Inst Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Sicheng,Huang, Sixun,Fang, Hanxian,et al. Wave-3 and wave-4 patterns in the low- and mid-latitude ionospheric TEC[J]. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,2015,132:82-91.
APA Wang, Sicheng,Huang, Sixun,Fang, Hanxian,&Wang, SC .(2015).Wave-3 and wave-4 patterns in the low- and mid-latitude ionospheric TEC.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,132,82-91.
MLA Wang, Sicheng,et al."Wave-3 and wave-4 patterns in the low- and mid-latitude ionospheric TEC".JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 132(2015):82-91.
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