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Atmospheric Aerosol Elements over the Inland Tibetan Plateau: Concentration, Seasonality, and Transport
Kang, SC (Kang, Shichang)1,3; Chen, PF (Chen, Pengfei)2; Li, CL (Li, Chaoliu)2; Liu, B (Liu, Bin)2; Cong, ZY (Cong, Zhiyuan)2,3; Kang, SC
Source PublicationAEROSOL AND AIR QUALITY RESEARCH
2016
Volume16Issue:3Pages:789-800
DOI10.4209/aaqr.2015.05.0307
AbstractBetween November 2005 and November 2007, weekly total suspended particle samples were collected at the Nam Co station in the inland Tibetan Plateau (TP). Through inductively coupled plasma mass spectrometry, twenty-nine elements were analyzed and their sources and fluxes were investigated. Mean elemental concentrations were lower than those at the edge of the TP. Some elements, such as Cr, Ni, Cd, and Pb, exhibited high enrichment factors (Cr: 22; Ni: 17; Cd: 23; and Pb: 9), indicating possible anthropogenic influence in this remote region, particularly during the pre-monsoon and monsoon seasons. In addition, an empirical orthogonal function analysis revealed the dominance of crustal-origin elements, rather than anthropogenic elements, in the aerosol. Furthermore, backward air mass trajectories demonstrated that the Nam Co region was mainly influenced by air masses from Central and South Asia. Accordingly, because of dust storms from Central Asia and within the TP, crustal element concentrations, such as of Al, were higher during winter and pre-monsoon seasons than during the monsoon season. By contrast, anthropogenic elements, such as Cr and Cd, were relatively higher during the pre-monsoon and monsoon seasons because of pollutants transported from South Asia, where atmospheric brown clouds are concentrated and biomass combustion is prevalent. Dry deposition of aerosols dominated in the Nam Co region, particularly during the non-monsoon period, which is useful to interpret the elemental records in the TP ice cores and lake sediments.
Subject Area自然地理学
WOS IDWOS:000371498900026
Language英语
Indexed BySCI
KeywordNam Co Region Lead Isotopic Composition Summer Monsoon Season Trace-elements Anthropogenic Sources Particulate Matter Dust Storms Mt. Everest South-asia Ice Core
Cooperation Status国内
Department环境
SubtypeArticle; Proceedings Paper
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7750
Collection图书馆
Corresponding AuthorKang, SC
Affiliation1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Kang, SC ,Chen, PF ,Li, CL ,et al. Atmospheric Aerosol Elements over the Inland Tibetan Plateau: Concentration, Seasonality, and Transport[J]. AEROSOL AND AIR QUALITY RESEARCH,2016,16(3):789-800.
APA Kang, SC ,Chen, PF ,Li, CL ,Liu, B ,Cong, ZY ,&Kang, SC.(2016).Atmospheric Aerosol Elements over the Inland Tibetan Plateau: Concentration, Seasonality, and Transport.AEROSOL AND AIR QUALITY RESEARCH,16(3),789-800.
MLA Kang, SC ,et al."Atmospheric Aerosol Elements over the Inland Tibetan Plateau: Concentration, Seasonality, and Transport".AEROSOL AND AIR QUALITY RESEARCH 16.3(2016):789-800.
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