A dynamical and numerical study of the effects of the topography of the Tibetan Plateau and westerly wind speed on the East Asian Trough

doi:10.1002/joc.7229

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	A dynamical and numerical study of the effects of the topography of the Tibetan Plateau and westerly wind speed on the East Asian Trough
	Liang, Zhaoming 1,2; Xu, Pengcheng3 ; Gao, Shouting 4,5; Zuo, Qunjie 4
	2021-06-10
发表期刊	INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN	0899-8418
页码	15
摘要	The effects of the topography of the Tibetan Plateau (TP) and westerly wind speed on the East Asian Trough (EAT) is discussed with analysis using a dynamical model, and verified with numerical experiments based on real cases. The dynamical model utilizes a complex terrain function to approximate the TP topography, and derives a stream function generated by the TP terrain. The numerical experiments used for the verification consider the influence of different TP terrain heights and westerly wind speeds. The results show that the topography of the TP has a prominent contribution to the intensity of the EAT, but little effect on its position. The topography of the TP in the westerly winds causes a low-pressure trough to its east, which promotes a deepening of the EAT to the east side of the TP. In contrast, in the context of the TP, westerly wind speed has an important influence on the position of the EAT, but a minor impact on the deepening of the EAT. A larger westerly wind speed causes a more eastern position of the EAT. These findings indicate that the combination of large-scale topography and westerly wind speed plays a key role in the evolution of the EAT, in the terms of intensity and position.
关键词	dynamical analysis East Asian Trough Tibetan Plateau topography westerly wind speed
DOI	10.1002/joc.7229
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[41705026] ; National Natural Science Foundation of China[U1433202] ; National Natural Science Foundation of China[91437215] ; National Natural Science Foundation of China[41875056] ; National Natural Science Foundation of China[41965010]
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000659395100001
出版者	WILEY
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/58816
专题	应用数学研究所
通讯作者	Liang, Zhaoming; Xu, Pengcheng
作者单位	1.Chinese Acad Meteorol Sci, State Key Lab Severe Weather, 46 Zhongguancun South St, Beijing 100081, Peoples R China 2.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai, Peoples R China 3.Chinese Acad Sci, Acad Math & Syst Sci, 55 Zhongguancun East St, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China 5.Guizhou Key Lab Mt Climate & Resource, Guiyang, Peoples R China
推荐引用方式 GB/T 7714	Liang, Zhaoming,Xu, Pengcheng,Gao, Shouting,et al. A dynamical and numerical study of the effects of the topography of the Tibetan Plateau and westerly wind speed on the East Asian Trough[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2021:15.
APA	Liang, Zhaoming,Xu, Pengcheng,Gao, Shouting,&Zuo, Qunjie.(2021).A dynamical and numerical study of the effects of the topography of the Tibetan Plateau and westerly wind speed on the East Asian Trough.INTERNATIONAL JOURNAL OF CLIMATOLOGY,15.
MLA	Liang, Zhaoming,et al."A dynamical and numerical study of the effects of the topography of the Tibetan Plateau and westerly wind speed on the East Asian Trough".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2021):15.