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A case study of the mesospheric 6.5-day wave observed by radar systems
Jiang, G.; Xu JY(徐寄遥); Xiong, J.; Ma RP(马瑞平); Ning, B.; Murayama, Y.; Thorsen, D.; Gurubaran, S.; Vincent, R. A.; Reid, I.; Franke, S. J.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationJournal of Geophysical Research-Atmospheres
2008
Volume113Issue:D16Pages:D16111
ISSN0148-0227
Language英语
KeywordLower Thermosphere Region Planetary-waves Equatorial Mesosphere 5-day Wave Mlt Region Oscillations Wuhan Winds Disturbances Atmosphere
AbstractIn this paper, analysis of wind data detected by six ground-based radar systems located in equatorial and midlatitude belts shows that a strong mesospheric 6.5-day wave event occurred during April-May 2003. We compared the global distribution of the observed 6.5-day wave event with the theoretical wave structure (Rossby normal mode (s, n) = (1, -2)). Additionally, we investigated several important wave characteristics to understand the mesospheric 6.5-day wave event, i.e., wave period, vertical structure, relationship with background wind, propagating direction, and the zonal wave number. Our results are summarized into three points: ( 1) the latitudinal structure of the mesospheric 6.5-day wave during April-May 2003 is basically in agreement with the theoretical Rossby mode (s, n) = (1, -2), although the wave amplitude of zonal wind peaked at the subequatorial latitude of Northern Hemisphere but not at the theoretical place, equatorial region; (2) the main wave periods and the altitude distribution of large amplitude of this wave event varied with latitude; (3) the downward propagating wave phases indicated that this wave event originated in the lower atmosphere and propagated upward to the upper region.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1095
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Jiang, G.,Xu JY,Xiong, J.,et al. A case study of the mesospheric 6.5-day wave observed by radar systems[J]. Journal of Geophysical Research-Atmospheres,2008,113(D16):D16111.
APA Jiang, G..,徐寄遥.,Xiong, J..,马瑞平.,Ning, B..,...&北京8701信箱.(2008).A case study of the mesospheric 6.5-day wave observed by radar systems.Journal of Geophysical Research-Atmospheres,113(D16),D16111.
MLA Jiang, G.,et al."A case study of the mesospheric 6.5-day wave observed by radar systems".Journal of Geophysical Research-Atmospheres 113.D16(2008):D16111.
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