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Observations of ULF waves on the ground and ionospheric Doppler shifts during storm sudden commencement
Ouyang, Xinyan; Liu, Wenlong; Xiao, Zuo; Hao, Yongqiang; Xiao, Z (reprint author), Peking Univ, Sch Earth & Space Sci, Beijing, Peoples R China.; Xiao, Z (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2016
Volume121Issue:4Pages:2976-2983
ISSN2169-9380
Language英语
AbstractUsing data from ground-based magnetometers and HF Doppler sounder, we study ultralow frequency (ULF) waves excited during the storm sudden commencement (SSC) on 8 March 2012 and find possible evidence on the link between ULF waves and ionospheric Doppler shifts. Pc1-Pc2 ULF waves are observed from 11: 04 to 11: 27 UT after the SSC by ground stations of L shell ranging from 1.06 to 2.31, mapping to the topside ionosphere. There are weak responses in this frequency range in the power spectra of ionospheric Doppler shift. From 11: 19 to 11: 23 UT, oscillations of magnetic field in a lower frequency range of Pc3-Pc4 are observed and are well correlated with the trace of Doppler shift. It is thus suggested that ionospheric Doppler shift can response to ULF oscillations in magnetic field in various frequency ranges, especially in the frequency range of Pc3-Pc4 and below. This paper demonstrates a new mechanism of magnetosphere-ionosphere coupling.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5602
Collection空间科学部
Corresponding AuthorXiao, Z (reprint author), Peking Univ, Sch Earth & Space Sci, Beijing, Peoples R China.; Xiao, Z (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Ouyang, Xinyan,Liu, Wenlong,Xiao, Zuo,et al. Observations of ULF waves on the ground and ionospheric Doppler shifts during storm sudden commencement[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2016,121(4):2976-2983.
APA Ouyang, Xinyan,Liu, Wenlong,Xiao, Zuo,Hao, Yongqiang,Xiao, Z ,&Xiao, Z .(2016).Observations of ULF waves on the ground and ionospheric Doppler shifts during storm sudden commencement.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,121(4),2976-2983.
MLA Ouyang, Xinyan,et al."Observations of ULF waves on the ground and ionospheric Doppler shifts during storm sudden commencement".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121.4(2016):2976-2983.
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