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DOI | 10.1175/JAS-D-16-0289.1 |
Note on Analyzing Perturbation Growth in a Tropical Cyclone-Like Vortex Radiating Inertia-Gravity Waves | |
Schecter, David A.1; Menelaou, Konstantinos2 | |
2017-05-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:5 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Canada |
英文摘要 | A method is outlined for quantitatively assessing the impact of inertia-gravity wave radiation on the multimechanistic instability modes of a columnar stratified vortex that resembles an intense tropical cyclone. The method begins by decomposing the velocity field into one part that is formally associated with sources inside the vortex and another part that is attributed to radiation. The relative importance of radiation is assessed by comparing the rates at which the two partial velocity fields act to amplify the perturbation of an arbitrary tracer field-such as potential vorticity-inside the vortex. Further insight is gained by decomposing the formal vortex contribution to the amplification rate into subparts that are primarily associated with distinct vortex Rossby waves and critical-layer perturbations. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000400730900015 |
WOS关键词 | RAPIDLY ROTATING VORTICES ; HURRICANE-LIKE VORTICES ; POTENTIAL VORTICITY ; 2-DIMENSIONAL VORTEX ; INTENSITY ; INSTABILITY ; ASYMMETRIES ; FLOW ; EYE ; VARIABILITY |
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/29396 |
专题 | 地球科学 |
作者单位 | 1.NorthWest Res Associates, Boulder, CO 80301 USA; 2.McGill Univ, Dept Atmospher & Ocean Sci, Montreal, PQ, Canada |
推荐引用方式 GB/T 7714 | Schecter, David A.,Menelaou, Konstantinos. Note on Analyzing Perturbation Growth in a Tropical Cyclone-Like Vortex Radiating Inertia-Gravity Waves[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(5). |
APA | Schecter, David A.,&Menelaou, Konstantinos.(2017).Note on Analyzing Perturbation Growth in a Tropical Cyclone-Like Vortex Radiating Inertia-Gravity Waves.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(5). |
MLA | Schecter, David A.,et al."Note on Analyzing Perturbation Growth in a Tropical Cyclone-Like Vortex Radiating Inertia-Gravity Waves".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.5(2017). |
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