文章基本信息

标题：El Niño–Southern Oscillation effect on ionospheric tidal/SPW amplitude in 2007–2015 FORMOSAT-3/COSMIC observations
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作者：Yang-Yi Sun ; Huixin Liu ; Yasunobu Miyoshi 等
期刊名称：Earth, Planets and Space
电子版ISSN：1880-5981
出版年度：2019
卷号：71
期号：1
页码：1-9
DOI：10.1186/s40623-019-1009-7
出版社：Springer Verlag
摘要：This study examines the influence of the El Niño–Southern Oscillation (ENSO) on the ionospheric total electron content (TEC) diurnal eastward 3 (DE3) and stationary planetary wave 4 (SPW4) which are the major components of the ionospheric wave-4 longitudinal structure. The TEC is the integration of electron density from 200 to 800 km sounded by the GPS radio occultation experiment onboard the FORMOSAT-3/COSMIC satellites during the period of January 2007–December 2015. The results show that the TEC DE3 and SPW4 amplitudes respond to the ENSO signature in the thermospheric wind DE3 in the Northern Hemisphere during the lower-solar-activity period. The contribution of the ENSO cold phase in 2010 and 2011 to the quasi-biennial oscillation in the TEC DE3 and SPW4 amplitudes is not negligible.
关键词：El Niño–Southern Oscillation; Ionospheric tide/SPW; Quasi-biennial oscillation; Radio occultation