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Interaction of a mesoscale low and diffused tropical depression during south Asian summer monsoon | |
Rasul, Ghulam1; Chaudhry, Qamar-Uz-Zaman1; Zeng, Qingcun2; Zhao, Sixiong2; Shouting, Gao2 | |
通讯作者 | Rasul, Ghulam |
来源期刊 | MAUSAM
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ISSN | 0252-9416 |
出版年 | 2008 |
卷号 | 59期号:4页码:453-460 |
英文摘要 | This paper presents the results of a diagnostic study of a typical case in south Asian summer monsoon when a meso-scale low in a desert climate interacted with a diffused tropical depression originated over the Bay of Bengal. Surface and NCEP reanalysis data supported by satellite and radar images were incorporated in diagnosis. The relationship between heavy precipitation process and large-scale circulations such as westerly jet, low level jet, convergence, vorticity and water vapor transport were investigated to further understand the mechanism of this peculiar interaction. It has been found that the meso-scale low developed as a result of cold air advection aloft from northern latitudes and strong convection over the region of humidity convergence, i.e., Rajasthan (India) on 24(th) July 2003. On the same day, a low formed on the Bay of Bengal which further developed into monsoon depression. It moved westward from the Bay towards the meso-scale low over southwest India. Meso-scale low remained more or less stationery for two days gaining intensity and then moved relatively with slower speed in southwestward direction. Both the systems yielded moderate to heavy rain in areas under their influence. Interaction resulted into huge accentuation with an abrupt increase in intensity. |
英文关键词 | Monsoon depression Convective instability Cold air advection Low level jet Westerly jet Summer monsoon Mesoscale Convective System (MCS) |
类型 | Article |
语种 | 英语 |
国家 | Pakistan ; Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000261444700003 |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
来源机构 | 中国科学院大气物理研究所 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/158548 |
作者单位 | 1.Meteorol Serv Pakistan, Islamabad, Pakistan; 2.Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China |
推荐引用方式 GB/T 7714 | Rasul, Ghulam,Chaudhry, Qamar-Uz-Zaman,Zeng, Qingcun,et al. Interaction of a mesoscale low and diffused tropical depression during south Asian summer monsoon[J]. 中国科学院大气物理研究所,2008,59(4):453-460. |
APA | Rasul, Ghulam,Chaudhry, Qamar-Uz-Zaman,Zeng, Qingcun,Zhao, Sixiong,&Shouting, Gao.(2008).Interaction of a mesoscale low and diffused tropical depression during south Asian summer monsoon.MAUSAM,59(4),453-460. |
MLA | Rasul, Ghulam,et al."Interaction of a mesoscale low and diffused tropical depression during south Asian summer monsoon".MAUSAM 59.4(2008):453-460. |
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