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DOI | 10.1175/JAS-D-17-0048.1 |
Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis. Part I: Diagnostic Framework | |
Tang, Brian H. | |
2017-07-01 | |
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:7 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A diagnostic framework to investigate the role of processes around and during tropical cyclogenesis is presented. The key framework metric is the ratio of bulk differences of moist entropy over differences of angular momentum between an inner and outer region of a tropical disturbance or cyclone. This ratio is hypothesized to decrease and become negative as both the high-entropy core and low-level vortex in the inner region amplify during tropical cyclogenesis. The time tendency of this ratio can be split into two forcings: a moist entropy forcing and an angular momentum forcing. Each forcing can be further divided into components comprising differences in net advective fluxes and nonadvective boundary fluxes of moist entropy or angular momentum between each region. The framework provides a comprehensive way to compare the relative importance of processes leading to tropical cyclogenesis in a tractable, consistent manner. Suggestions on how to apply the framework to numerical model output are given. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000405556700009 |
WOS关键词 | VORTEX ROSSBY WAVES ; NUMERICAL-MODELS ; CYCLONE GENESIS ; CONVECTION ; HURRICANES ; INTENSITY |
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/29299 |
专题 | 地球科学 |
作者单位 | SUNY Albany, Dept Atmospher & Environm Sci, Albany, NY 12222 USA |
推荐引用方式 GB/T 7714 | Tang, Brian H.. Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis. Part I: Diagnostic Framework[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(7). |
APA | Tang, Brian H..(2017).Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis. Part I: Diagnostic Framework.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(7). |
MLA | Tang, Brian H.."Coupled Dynamic-Thermodynamic Forcings during Tropical Cyclogenesis. Part I: Diagnostic Framework".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.7(2017). |
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