Double-thin-shell approach to deriving total electron content from GNSS signals and implications for ionospheric dynamics near the magnetic equator
文献类型：期刊论文
| 作者 | Maruyama,Takashi1,3; Hozumi,Kornyanat1; Ma,Guanyi3 ; Supnithi,Pornchai2; Tongkasem,Napat2; Wan,Qingtao3
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| 刊名 | Earth, Planets and Space
 |
| 出版日期 | 2021-05-20 |
| 卷号 | 73期号:1 |
| 关键词 | Global navigation satellite system (GNSS) Total electron content Double-shell model Arc bias Orthogonal network |
| DOI | 10.1186/s40623-021-01427-y |
| 英文摘要 | AbstractA new technique was developed to estimate the ionospheric total electron content (TEC) from Global Navigation Satellite System (GNSS) satellite signals. The vertically distributed electron density was parameterized by two thin-shell layers (double-shell approach). The spatiotemporal variation of TEC (strictly speaking, partial electron content) associated with each shell was approximated by the functional fitting of spherical surface harmonics. The major improvements over the conventional single-shell approach were as follows: (1) the precise estimation of TEC was achieved; (2) the estimated TEC was less dependent on the choice of shell heights; and (3) the equatorial anomaly was captured more correctly. Furthermore, higher and lower shells exhibited a different pattern of local time vs latitude variation, providing information on the ionosphere–thermosphere dynamics. |
| 语种 | 英语 |
| WOS记录号 | BMC:10.1186/S40623-021-01427-Y |
| 出版者 | Springer Berlin Heidelberg |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/54655]  |
| 专题 | 中国科学院国家天文台 |
| 通讯作者 | Maruyama,Takashi |
| 作者单位 | 1.National Institute of Information and Communications Technology 2.School of Engineering, King Mongkut’s Institute of Technology Ladkrabang 3.National Astronomical Observatories, Chinese Academy of Sciences |
| 推荐引用方式 GB/T 7714 | Maruyama,Takashi,Hozumi,Kornyanat,Ma,Guanyi,et al. Double-thin-shell approach to deriving total electron content from GNSS signals and implications for ionospheric dynamics near the magnetic equator[J]. Earth, Planets and Space,2021,73(1). |
| APA | Maruyama,Takashi,Hozumi,Kornyanat,Ma,Guanyi,Supnithi,Pornchai,Tongkasem,Napat,&Wan,Qingtao.(2021).Double-thin-shell approach to deriving total electron content from GNSS signals and implications for ionospheric dynamics near the magnetic equator.Earth, Planets and Space,73(1). |
| MLA | Maruyama,Takashi,et al."Double-thin-shell approach to deriving total electron content from GNSS signals and implications for ionospheric dynamics near the magnetic equator".Earth, Planets and Space 73.1(2021). |
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来源：国家天文台
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