Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL073572 |
Spiral gravity waves radiating from tropical cyclones | |
Nolan, David S.1; Zhang, Jun A.2,3 | |
2017-04-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Internal gravity waves are continuously generated by deep moist convection around the globe. Satellite images suggest that tropical cyclones produce short-wavelength, high-frequency waves that radiate outward, with the wave fronts wrapped into tight spirals by the large differential advection of the sheared tangential flow. This letter presents new in situ observations of such waves from two sources: flight level data from research aircraft that show radial wavelengths of 2-10km and vertical velocity magnitudes from 0.1 to 1.0 ms(-1) and surface observations from a research buoy in the Pacific that indicate the passage of gravity waves overhead as tropical cyclones pass by at distances of 100 to 300km. Numerical simulations are used to interpret these observations and to understand the broader horizontal and vertical structures of the radiating waves. The simulations suggest a correlation between wave amplitude and cyclone intensity, which could be used to make remote estimates of peak wind speeds. |
英文关键词 | gravity waves tropical cyclones |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000401847500056 |
WOS关键词 | HURRICANE BOUNDARY-LAYER ; WIND ; INTENSIFICATION ; CONVECTION ; AIRCRAFT ; SHEAR |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/26911 |
专题 | 气候变化 |
作者单位 | 1.Univ Miami, Dept Atmospher Sci, Miami, FL 33146 USA; 2.NOAA, AOML, Hurricane Res Div, Miami, FL USA; 3.Univ Miami, Cooperat Inst Marine & Atmospher Sci, Miami, FL USA |
推荐引用方式 GB/T 7714 | Nolan, David S.,Zhang, Jun A.. Spiral gravity waves radiating from tropical cyclones[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(8). |
APA | Nolan, David S.,&Zhang, Jun A..(2017).Spiral gravity waves radiating from tropical cyclones.GEOPHYSICAL RESEARCH LETTERS,44(8). |
MLA | Nolan, David S.,et al."Spiral gravity waves radiating from tropical cyclones".GEOPHYSICAL RESEARCH LETTERS 44.8(2017). |
条目包含的文件 | 条目无相关文件。 |
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