IGGCAS OpenIR  > 地球与行星物理院重点实验室
Tidal Variations in the Ionosphere and Mesosphere Over Eastern China During 2014
Gu, Sheng-Yang1,2; Qi, Jiahui1; Zhou, Chen1; Yang, Chengyun2; Jia, Mingjiao2; Li, Guozhu3; Ning, Baiqi3; Dou, Xiankang1
2020-02-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN2169-9380
Volume125Issue:2Pages:12
AbstractThe sources for the variabilities of the ionospheric tidal oscillations are complex and not totally understood yet. In this paper, both the seasonal and short-term variations of the ionospheric diurnal and semidiurnal oscillations over a meteor radar chain (Wuhan [114.4 degrees E, 30.6 degrees N], Beijing [116.5 degrees E, 39.9 degrees N], and Mohe [121.1 degrees E, 50.1 degrees N]) are investigated with critical frequency of the F2 layer (foF2) observations during 2014. The collocated mesospheric horizontal winds, the daily 10.7-cm solar flux, and the daily Ap index are also examined to determine the sources of the ionospheric tidal variabilities from the lower atmosphere, solar and geomagnetic activities, respectively. We found that the seasonal variations of the ionospheric tidal oscillations at the three sites are consistent, which are not in-phase with the seasonal variations of mesospheric tides at the same location. This indicates that mesospheric tides are unlikely the main cause of the seasonal variations of the ionospheric tides. Besides, the ionospheric tidal oscillations show clear periodical signals, which could correspond well with those in the local mesospheric wind or Ap index. Nevertheless, the periodical solar flux oscillation does not induce similar short-term ionospheric tidal variabilities. We also found that the influence of geomagnetic activities on the ionospheric tidal variabilities is with either enhancement or depression patterns during geomagnetic storms.
DOI10.1029/2019JA027526
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment
WOS KeywordLOWER THERMOSPHERE ; MAGNETIC STORM ; F2-LAYER ; VARIABILITY ; WAVES ; TIDES
Language英语
Funding ProjectNational Natural Science Foundation of China[41874181] ; National Natural Science Foundation of China[41831071] ; National Natural Science Foundation of China[41704153] ; CAS Key Laboratory of Geospace Environment
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Laboratory of Geospace Environment ; CAS Key Laboratory of Geospace Environment
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000535395800055
PublisherAMER GEOPHYSICAL UNION
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Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96686
Collection地球与行星物理院重点实验室
Corresponding AuthorGu, Sheng-Yang
Affiliation1.Wuhan Univ, Elect Informat Sch, Wuhan, Peoples R China
2.Univ Sci & Technol China, Chinese Acad Sci, Key Lab Geospace Environm, Hefei, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Gu, Sheng-Yang,Qi, Jiahui,Zhou, Chen,et al. Tidal Variations in the Ionosphere and Mesosphere Over Eastern China During 2014[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(2):12.
APA Gu, Sheng-Yang.,Qi, Jiahui.,Zhou, Chen.,Yang, Chengyun.,Jia, Mingjiao.,...&Dou, Xiankang.(2020).Tidal Variations in the Ionosphere and Mesosphere Over Eastern China During 2014.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(2),12.
MLA Gu, Sheng-Yang,et al."Tidal Variations in the Ionosphere and Mesosphere Over Eastern China During 2014".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.2(2020):12.
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