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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
Source PublicationJournal of Geophysical Research-Atmospheres
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
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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