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题名: Study of sporadic E layers based on GPS radio occultation measurements and digisonde data over the Brazilian region
作者: Resende, Laysa C. A.; Arras, Christina; Batista, Inez S.; Denardini, Clezio M.; Bertollotto, Thaina O.; Moro, Juliano
作者部门: 空间科学部
通讯作者: Resende, Laysa C. A. ; Arras, Christina ; Batista, Inez S. ; Denardini, Clezio M. ; Bertollotto, Thaina O. ; Moro, Juliano
关键词: Ionosphere ; ionosphere-atmosphere interactions
刊名: ANNALES GEOPHYSICAE
ISSN号: 0992-7689
出版日期: 2018
卷号: 36, 期号:2, 页码:587-593
收录类别: SCI
项目资助者: FAPESP [2014/11198-9, 2017/01332-8, 2012/08445-9] ; CNPq [405334/2017-6, 302920/2014-5, 474351/2013-0, 144040/2017-4] ; German Research Foundation (DFG) [SPP1788] ; CNPq/MCTI [03121/2014-9] ; China-Brazil Joint Laboratory for Space Weather (CBJLSW)
英文摘要: This work presents new results about sporadic E-layers (Es layers) using GPS (global positioning system) radio occultation (RO) measurements obtained from the FORMOSAT-3/COSMIC satellites and digisonde data. The RO profiles are used to study the Es layer occurrence as well as its intensity of the signal-to-noise ratio (SNR) of the 50 Hz GPS L1 signal. The methodology was applied to identify the Es layer on RO measurements over Cachoeira Paulista, a low-latitude station in the Brazilian region, in which the Es layer development is not driven tidal winds only as it is at middle latitudes. The coincident events were analyzed using the RO technique and ionosonde observations during the year 2014 to 2016. We used the electron density obtained using the blanketing frequency parameter (fbEs) and the Es layer height (h'Es) acquired from the ionograms to validate the satellite measurements. The comparative results show that the Es layer characteristics extracted from the RO measurements are in good agreement with the Es layer parameters from the digisonde.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6235
Appears in Collections:空间科学部_期刊论文

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