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DOI | 10.1007/s00382-018-4502-y |
Basin dependence of the MJO modulating tropical cyclone genesis | |
Zhao, Chen1; Li, Tim1,2,3 | |
2019-05-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:6081-6096 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | The modulation of tropical cyclone (TC) genesis over the western North Pacific (WNP) and the tropical North Atlantic (ATL) by the Madden-Julian Oscillation (MJO) is investigated based on observational analysis and numerical simulations. A genesis potential index (GPI) is used to investigate relative contributions of environmental parameters associated with the MJO to TC genesis. It is found that relative humidity plays the most important role in modulating TC genesis in the WNP, the Gulf of Mexico and the western Caribbean Sea (GOM), while vertical wind shear associated with the MJO has the most significant impact on TC activities in the eastern Atlantic (EAT). To further understand the relative importance of the MJO dynamic and thermodynamic impact on TC activities, idealized numerical model experiments are conducted using the Advanced Research version of the Weather Research and Forecasting model (WRF-ARW). The results are consistent with that of observational analysis, indicating that TC activities in the WNP, the GOM and the EAT are modulated by the MJO. Specific humidity anomalies related to the MJO exert the strongest impact on TC development in the WNP and the GOM, while the vertical wind shear is the most critical factor in the EAT. |
英文关键词 | Tropical cyclone genesis Madden-Julian oscillation Genesis potential index Moisture Vertical wind shear |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000465441400057 |
WOS关键词 | WESTERN NORTH PACIFIC ; MADDEN-JULIAN OSCILLATION ; POTENTIAL INDEX ; DISTURBANCES ; CYCLOGENESIS ; MONSOON ; BENGAL ; ENSO ; BAY |
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/182633 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Joint Int Res Lab Climate & Environm Change, Minist Educ,Key Lab Meteorol Disaster, Nanjing, Jiangsu, Peoples R China; 2.Univ Hawaii Manoa, Sch Ocean & Earth Sci & Technol, Int Pacific Res Ctr, 1680 East West Rd,POST Bldg 401, Honolulu, HI 96822 USA; 3.Univ Hawaii Manoa, Sch Ocean & Earth Sci & Technol, Dept Atmospher Sci, 1680 East West Rd,POST Bldg 401, Honolulu, HI 96822 USA |
推荐引用方式 GB/T 7714 | Zhao, Chen,Li, Tim. Basin dependence of the MJO modulating tropical cyclone genesis[J]. CLIMATE DYNAMICS,2019,52:6081-6096. |
APA | Zhao, Chen,&Li, Tim.(2019).Basin dependence of the MJO modulating tropical cyclone genesis.CLIMATE DYNAMICS,52,6081-6096. |
MLA | Zhao, Chen,et al."Basin dependence of the MJO modulating tropical cyclone genesis".CLIMATE DYNAMICS 52(2019):6081-6096. |
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