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Statistical study of atmospheric gravity waves in the mesopause region observed by a lidar chain in eastern China
Gong, Shaohua; Yang, Guotao; Dou, Xiankang; Xu, Jiyao; Chen, Chunxia; Gong, Shunsheng; Gong, SH (reprint author), Hainan Normal Univ, Sch Phys & Elect Engn, Haikou, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2015
Volume120Issue:15Pages:7619-7634
ISSN2169-897X
Language英语
KeywordGravity Wave Activities Lidar Chain Seasonal And Geographic Variability
AbstractAtmospheric gravity wave activities in the mesopause region have been observed and statistically investigated with a sodium lidar chain in eastern China. In total, there were 471 gravity waves identified from over 5400h of observations at Hainan (19.99 degrees N, 110.34 degrees E), Hefei (31.87 degrees N, 117.23 degrees E), and Beijing (40.47 degrees N, 115.97 degrees E). These waves typically had vertical wavelengths of (z)=2-4km, observed periods of T-ob=1-4h, amplitude growth factors of =-0.025 similar to+0.05km(-1), and wave amplitudes of Ae(*90km)=1.5-6%. Strong systematic parameter relationships were found, and they agree with the predictions of diffusive filtering theory. Statistical results show that the seasonal variability of gravity wave activity had a summer-maximum and winter-minimum characteristics in the mesopause region over eastern China. A qualitative interpretation is proposed regarding the seasonal and geographic variability observed by the lidar chain, based on analysis of source properties and influences from background wind, which vary by season.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4574
Collection空间科学部
Corresponding AuthorGong, SH (reprint author), Hainan Normal Univ, Sch Phys & Elect Engn, Haikou, Peoples R China.
Recommended Citation
GB/T 7714
Gong, Shaohua,Yang, Guotao,Dou, Xiankang,et al. Statistical study of atmospheric gravity waves in the mesopause region observed by a lidar chain in eastern China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2015,120(15):7619-7634.
APA Gong, Shaohua.,Yang, Guotao.,Dou, Xiankang.,Xu, Jiyao.,Chen, Chunxia.,...&Gong, SH .(2015).Statistical study of atmospheric gravity waves in the mesopause region observed by a lidar chain in eastern China.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,120(15),7619-7634.
MLA Gong, Shaohua,et al."Statistical study of atmospheric gravity waves in the mesopause region observed by a lidar chain in eastern China".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 120.15(2015):7619-7634.
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