Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon

doi:10.1155/2016/6951942

IEECAS OpenIR > 古环境研究室

	Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon
	Sun, Hui 1; Liu, Xiaodong 1,2
	2016
发表期刊	ADVANCES IN METEOROLOGY
卷号	2016 期号:2016
文章类型	Article
摘要	A regional climate model coupled with a dust module was used to simulate dust aerosol distribution and its effects on the atmospheric heat source over the TP, East Asian summer monsoon onset, and precipitation in East Asia modulated by the uplift of the northern TP. We carried out four experiments, including a modern (i.e., high-mountain) experiment with (HMD) and without (HM) the major deserts in Northwest China and a low-mountain experiment with (LMD) and without (LM) the deserts. The results show that dust greatly increases in the Taklamakan Desert accompanied with the uplift of the northern TP, and the increase exceeds 150 mu g kg(-1) in spring. A strong cyclone in the Tarim Basin produced by the uplifted northern TP enhances dust emissions in the Taklamakan Desert in summer. Meanwhile, the dust loading over the TP also increases induced by the uplift of the northern TP, causing the heat source over the TP decreased. Under the condition of the northern TP uplift to present altitude, dust delays the East Asia summer monsoon onset by two pentads and one pentad, respectively, in the southern and northern monsoon regions and greatly suppresses precipitation in East Asia compared with results in the low terrain experiments.
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1155/2016/6951942
关键词[WOS]	REGIONAL CLIMATE MODEL ; TIBETAN PLATEAU ; MINERAL DUST ; SIMULATION ; UPLIFT ; CHINA ; EMISSION ; IMPACTS ; DESERT ; PRECIPITATION
收录类别	SCI
语种	英语
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000368460600001
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/5847
专题	古环境研究室
作者单位	1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Peoples R China 2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Sun, Hui,Liu, Xiaodong. Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon[J]. ADVANCES IN METEOROLOGY,2016,2016(2016).
APA	Sun, Hui,&Liu, Xiaodong.(2016).Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon.ADVANCES IN METEOROLOGY,2016(2016).
MLA	Sun, Hui,et al."Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon".ADVANCES IN METEOROLOGY 2016.2016(2016).

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