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Perturbations of the sodium layer: Controlled by chemistry or dynamics?
Xu, Jiyao; Smith, A.K.
Department空间科学部
Source PublicationGeophysical Research Letters
2003
Volume30Issue:20
ISSN0094-8276
Language英语
AbstractThe chemical lifetime of the mesospheric sodium layer is calculated from the eigenvalues and eigenvectors of the sodium chemical system. This method determines a lifetime that is an excellent estimate of the relaxation time of the sodium chemical system. The lifetime is more than a day in the vicinity of the mesospheric sodium layer and is much longer than the traditionally defined chemical lifetime for sodium of a few minutes. This verifies the assumption often made that transport determines the sodium perturbations in the presence of gravity waves and other rapid air motions. At the bottom of the sodium layer, below about 85 km, photochemistry is the dominant process. © 2003 by the American Geophysical Union.
Indexed ByEI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5292
Collection空间科学部
Recommended Citation
GB/T 7714
Xu, Jiyao,Smith, A.K.. Perturbations of the sodium layer: Controlled by chemistry or dynamics?[J]. Geophysical Research Letters,2003,30(20).
APA Xu, Jiyao,&Smith, A.K..(2003).Perturbations of the sodium layer: Controlled by chemistry or dynamics?.Geophysical Research Letters,30(20).
MLA Xu, Jiyao,et al."Perturbations of the sodium layer: Controlled by chemistry or dynamics?".Geophysical Research Letters 30.20(2003).
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