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DOI | 10.1175/JAS-D-17-0391.1 |
Mesoscale Horizontal Kinetic Energy Spectra of a Tropical Cyclone | |
Wang, Yuan1; Zhang, Lifeng1; Peng, Jun1; Liu, Saisai1,2 | |
2018-10-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2018 |
卷号 | 75期号:10页码:3579-3596 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | A high-resolution cloud-permitting simulation with the Weather Research and Forecasting (WRF) Model is performed to investigate the mesoscale horizontal kinetic energy (HKE) spectra of a tropical cyclone (TC). The spectrum displays an arc-like shape in the troposphere and a quasi-linear shape in the lower stratosphere for wavelengths below 500 km during the mature period of the TC, while they both develop a quasi -5/3 slope. The total HKE spectrum is dominated by its rotational component in the troposphere but by its divergent component in the lower stratosphere. Further spectral HKE budget diagnosis reveals a generally downscale cascade of HKE, although a local upscale cascade gradually forms in the lower stratosphere. However, the mesoscale energy spectrum is not only governed by the energy cascade, but is evidently influenced also by other physical processes, among which the buoyancy effect converts available potential energy (APE) to HKE in the mid- and upper troposphere and converts HKE to APE in the lower stratosphere, the vertically propagating inertia-gravity waves transport the HKE from the upper troposphere to lower and higher layers, and the vertical transportation of convection always transports HKE upward. |
英文关键词 | Dynamics Tropical cyclones Budgets Kinetic energy Spectral analysis models distribution Cloud resolving models |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000444536400004 |
WOS关键词 | SEA INTERACTION THEORY ; GRAVITY-WAVES ; TURBULENCE ; MODEL ; PREDICTABILITY ; MOTION ; TROPOSPHERE ; AIRCRAFT ; TYPHOON ; SCALES |
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/29780 |
专题 | 地球科学 |
作者单位 | 1.Natl Univ Def Technol, Coll Meteorol & Oceanog, Nanjing, Jiangsu, Peoples R China; 2.Peoples Liberat Army, Unit 31010, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Yuan,Zhang, Lifeng,Peng, Jun,et al. Mesoscale Horizontal Kinetic Energy Spectra of a Tropical Cyclone[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2018,75(10):3579-3596. |
APA | Wang, Yuan,Zhang, Lifeng,Peng, Jun,&Liu, Saisai.(2018).Mesoscale Horizontal Kinetic Energy Spectra of a Tropical Cyclone.JOURNAL OF THE ATMOSPHERIC SCIENCES,75(10),3579-3596. |
MLA | Wang, Yuan,et al."Mesoscale Horizontal Kinetic Energy Spectra of a Tropical Cyclone".JOURNAL OF THE ATMOSPHERIC SCIENCES 75.10(2018):3579-3596. |
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