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Numerical Modeling of Topography-Modulated Dust Aerosol Distribution and Its Influence on the Onset of East Asian Summer Monsoon
Sun, Hui1; Liu, Xiaodong1,2
2016
Source PublicationADVANCES IN METEOROLOGY
Volume2016Issue:2016
SubtypeArticle
AbstractA 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 HeadingsScience & Technology ; Physical Sciences
DOI10.1155/2016/6951942
WOS KeywordREGIONAL CLIMATE MODEL ; TIBETAN PLATEAU ; MINERAL DUST ; SIMULATION ; UPLIFT ; CHINA ; EMISSION ; IMPACTS ; DESERT ; PRECIPITATION
Indexed BySCI
Language英语
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000368460600001
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5847
Collection古环境研究室
Affiliation1.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
Recommended Citation
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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