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Observation of 6.5-day waves in the MLT region over Wuhan
Jiang, G.; Xiong, J.; Wan, W.; Ning, B.; Liu, L.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationJournal of Atmospheric and Solar-Terrestrial Physics
2008
Volume70Issue:1Pages:41-48
ISSN1364-6826
Language英语
KeywordPlanetary Waves 6 Mesosphere And Lower Thermosphere 5-day Waves Mesospheric Dynamics Lower Thermosphere 5-day Wave Radar Observations Spaced Data Mesosphere Oscillations Atmosphere Winds
AbstractIn this paper, the 6.5-day planetary waves over Wuhan (30.5 degrees N, 114.3 degrees E) were investigated on the basis of the meteor radar measurements within 78-98 km height region during February 2002-December 2005. The observations show that 6.5-day waves have a prominent seasonal variability and have larger amplitudes at equinoxes than at solstices. We also found that intensive waves occur mostly between 84 and 98 km, and the zonal components of 6.5-day waves are a little larger than its meridional components on average. The main periods of 6.5-day waves are near 6-7 days in spring/winter season and 5-7 days (even extend to 8 days) in autumn months. However, these waves exhibit a downward progression when the amplitude is large. Robust wave events Occur basically in eastward background winds. During the 4-year interval, the strongest waves were found in Apri-May of 2003 and 2004.
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/122/1096
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Jiang, G.,Xiong, J.,Wan, W.,et al. Observation of 6.5-day waves in the MLT region over Wuhan[J]. Journal of Atmospheric and Solar-Terrestrial Physics,2008,70(1):41-48.
APA Jiang, G.,Xiong, J.,Wan, W.,Ning, B.,Liu, L.,&北京8701信箱.(2008).Observation of 6.5-day waves in the MLT region over Wuhan.Journal of Atmospheric and Solar-Terrestrial Physics,70(1),41-48.
MLA Jiang, G.,et al."Observation of 6.5-day waves in the MLT region over Wuhan".Journal of Atmospheric and Solar-Terrestrial Physics 70.1(2008):41-48.
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