IGGCAS OpenIR  > 地球与行星物理院重点实验室
Observations of Evolution-Type Band-Like Structures of F Region Irregularities
Meng, Xing1; Fang, Hanxian1; Li, Guozhu2,3; Weng, Libin1; Wang, Sicheng1
2019-02-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN2169-9380
Volume124Issue:2Pages:1426-1443
AbstractGenerally, equatorial spread-F (ESF) irregularities initiated at the bottom of the ionospheric F region and manifested as plume structures with an altitude extent more than 50 km in the RTI (range-time-intensity) plot. By using the Fuke and Sanya VHF radars located at low latitude of China, evolution-type band-like structures of ESF irregularities were observed near local sunset. One interesting aspect is that the ESF band-like structures initially appeared at high altitudes more than 400 km and then uplifted to higher altitude without zonal propagation. The lifetime of these ESF band-like structures, with a similar pattern in the RTI plot for each beam of radar, is less than 25 min. The band-like structures of F region irregularities were observed with big Doppler velocities and narrow spectral widths. During the presence of ESF band-like structures, apparent amplitude scintillations (S4 > 0.2), total electron content (TEC) fast fluctuations (ROTI > 1), and range-type spread F were detected. Possible mechanisms responsible for the initial generation of band-like ESF irregularities at high altitude are discussed.
DOI10.1029/2018JA026091
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordEQUATORIAL ATMOSPHERE RADAR ; GRAVITY-WAVE INITIATION ; SPREAD-F ; BACKSCATTER PLUMES ; PLASMA BUBBLES ; STATISTICAL CHARACTERISTICS ; POSTSUNSET VORTEX ; DRIFTS ; ONSET ; EAR
Language英语
Funding ProjectNational Natural Science Foundation of China[40505005] ; National Natural Science Foundation of China[41804149]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000462015700039
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91081
Collection地球与行星物理院重点实验室
Corresponding AuthorFang, Hanxian
Affiliation1.Natl Univ Def & Tecnnol, Inst Meteorol & Oceanog, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Meng, Xing,Fang, Hanxian,Li, Guozhu,et al. Observations of Evolution-Type Band-Like Structures of F Region Irregularities[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2019,124(2):1426-1443.
APA Meng, Xing,Fang, Hanxian,Li, Guozhu,Weng, Libin,&Wang, Sicheng.(2019).Observations of Evolution-Type Band-Like Structures of F Region Irregularities.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,124(2),1426-1443.
MLA Meng, Xing,et al."Observations of Evolution-Type Band-Like Structures of F Region Irregularities".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124.2(2019):1426-1443.
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