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DOI | 10.1002/2016JD025699 |
A stationary phase solution for mountain waves with application to mesospheric mountain waves generated by Auckland Island | |
Broutman, Dave1; Eckermann, Stephen D.2; Knight, Harold1; Ma, Jun1 | |
2017-01-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:2 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A relatively general stationary phase solution is derived for mountain waves from localized topography. It applies to hydrostatic, nonhydrostatic, or anelastic dispersion relations, to arbitrary localized topography, and to arbitrary smooth vertically varying background temperature and vector wind profiles. A simple method is introduced to compute the ray Jacobian that quantifies the effects of horizontal geometrical spreading in the stationary phase solution. The stationary phase solution is applied to mesospheric mountain waves generated by Auckland Island during the Deep Propagating Gravity Wave Experiment. The results are compared to a Fourier solution. The emphasis is on interpretations involving horizontal geometrical spreading. The results show larger horizontal geometrical spreading for nonhydrostatic waves than for hydrostatic waves in the region directly above the island; the dominant effect of horizontal geometrical spreading in the lower similar to 30 km of the atmosphere, compared to the effects of refraction and background density variation; and the enhanced geometrical spreading due to directional wind in the approach to a critical layer in the mesosphere. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396116900008 |
WOS关键词 | DIRECTIONAL WIND SHEAR ; GRAVITY-WAVES ; HYDROSTATIC FLOW ; PARAMETERIZATION ; REFLECTION ; DEEPWAVE ; DRAG |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/34395 |
专题 | 气候变化 |
作者单位 | 1.Computat Phys Inc, Springfield, VA USA; 2.US Naval Res Lab, Div Space Sci, Washington, DC 20375 USA |
推荐引用方式 GB/T 7714 | Broutman, Dave,Eckermann, Stephen D.,Knight, Harold,et al. A stationary phase solution for mountain waves with application to mesospheric mountain waves generated by Auckland Island[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(2). |
APA | Broutman, Dave,Eckermann, Stephen D.,Knight, Harold,&Ma, Jun.(2017).A stationary phase solution for mountain waves with application to mesospheric mountain waves generated by Auckland Island.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(2). |
MLA | Broutman, Dave,et al."A stationary phase solution for mountain waves with application to mesospheric mountain waves generated by Auckland Island".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.2(2017). |
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