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Alfven waves as a solar-interplanetary driver of the thermospheric disturbances
Guo, Jianpeng; Wei, Fengsi; Feng, Xueshang; Liu, Huixin; Wan, Weixing; Yang, Zhiliang; Xu, Jiyao; Liu, Chaoxu; Guo, JP (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationSCIENTIFIC REPORTS
2016
Volume6Pages:18895
ISSN2045-2322
Language英语
AbstractAlfven waves have been proposed as an important mechanism for the heating of the Sun's outer atmosphere and the acceleration of solar wind, but they are generally believed to have no significant impact on the Earth's upper atmosphere under quiet geomagnetic conditions due to their highly fluctuating nature of interplanetary magnetic field (i.e., intermittent southward magnetic field component). Here we report that a long-duration outward propagating Alfven wave train carried by a high-speed stream produced continuous (similar to 2 days) and strong (up to +/- 40%) density disturbances in the Earth's thermosphere in a way by exciting multiple large-scale gravity waves in auroral regions. The observed ability of Alfven waves to excite large-scale gravity waves, together with their proved ubiquity in the solar atmosphere and solar wind, suggests that Alfven waves could be an important solar-interplanetary driver of the global thermospheric disturbances.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5665
Collection空间科学部
Corresponding AuthorGuo, JP (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Guo, Jianpeng,Wei, Fengsi,Feng, Xueshang,et al. Alfven waves as a solar-interplanetary driver of the thermospheric disturbances[J]. SCIENTIFIC REPORTS,2016,6:18895.
APA Guo, Jianpeng.,Wei, Fengsi.,Feng, Xueshang.,Liu, Huixin.,Wan, Weixing.,...&Guo, JP .(2016).Alfven waves as a solar-interplanetary driver of the thermospheric disturbances.SCIENTIFIC REPORTS,6,18895.
MLA Guo, Jianpeng,et al."Alfven waves as a solar-interplanetary driver of the thermospheric disturbances".SCIENTIFIC REPORTS 6(2016):18895.
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