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学科主题: 地理学::自然地理学
题名: Atmospheric Aerosol Elements over the Inland Tibetan Plateau: Concentration, Seasonality, and Transport
作者: 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
通讯作者: Kang, SC
刊名: AEROSOL AND AIR QUALITY RESEARCH
发表日期: 2016
DOI: 10.4209/aaqr.2015.05.0307
卷: 16, 期:3, 页:789-800
收录类别: SCI
合作性质: 国内
文章类型: Article; Proceedings Paper
英文摘要: Between 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.
语种: 英语
WOS记录号: WOS:000371498900026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7750
Appears in Collections:图书馆_期刊论文

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作者单位: 1.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:
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.
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