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Seasonal Variation, Sources and Transport of Aerosols at Lijiang, Southeast Tibetan Plateau
Zhang, Ningning1,2; Cao, Junji1,3; Huang, Rujin1,4,5; He, Yuanqing2; Wang, Qiyuan1; Zhu, Chongshu1
2016-07-01
发表期刊AEROSOL AND AIR QUALITY RESEARCH
卷号16期号:7页码:1579-1590
文章类型Article
摘要Aerosol samples were collected during pre-monsoon, monsoon and post-monsoon periods in 2009 in Lijiang, a tourism city located on the southeast Tibetan Plateau, southwest China. To determine the seasonal variation and sources of aerosol species, main elements and water soluble ions were analyzed. The results showed that crustal elements (Si, K, Ca, Ti and Fe) were the main elements with an enrichment whose enrichment factor (EF) value were lower than 10, with the large value (except Ca) occurring during the pre-monsoon period. The EF values of S, Cl, Zn, As, Br, Sb, Pb, and Cu were higher than those of the crustal elements and the large concentration appeared during the monsoon period. Ca2+ and SO42- were the dominant cation and anion, respectively. The greatest value of total ionic concentration was found during the monsoon period, mainly because of the high concentration of SO42- and NH4+. Using the positive matrix factorization model, it was found that the main sources of species were from crustal source, transport from south Asia and eastern China, local vehicle emissions and sea salt. Further results indicated that the pollutants mixed with dust, anthropogenic pollutants and biomass burning emissions can be transported to Lijiang from south Asia and Southeast Asia during the pre-monsoon period. In addition, pollutants rich in SO42- and heavy metal from the Sichuan Basin and eastern Yunnan Province can also be occasionally transported to Lijiang during the monsoon period. The seasonal differences in chemical composition and transportation pathway may have important implications for regional climate change.
关键词Aerosol Chemical Composition Sources Identification Transport Pathway Lijiang
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.4209/aaqr.2015.07.0470
关键词[WOS]CHEMICAL-COMPOSITION ; ELEMENTAL COMPOSITION ; SOUTHWESTERN CHINA ; WESTERN CHINA ; AIR-POLLUTION ; INDIAN-OCEAN ; MT. YULONG ; NEPAL ; ASIA ; CLIMATE
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000378942400006
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/361006/5719
专题粉尘与环境研究室
作者单位1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
2.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryspher Sci, Lanzhou 730000, Peoples R China
3.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Peoples R China
4.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
5.Xiamen Huaxia Univ, Ctr Atmospher & Environm Studies, Xiamen 361024, Peoples R China
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Zhang, Ningning,Cao, Junji,Huang, Rujin,et al. Seasonal Variation, Sources and Transport of Aerosols at Lijiang, Southeast Tibetan Plateau[J]. AEROSOL AND AIR QUALITY RESEARCH,2016,16(7):1579-1590.
APA Zhang, Ningning,Cao, Junji,Huang, Rujin,He, Yuanqing,Wang, Qiyuan,&Zhu, Chongshu.(2016).Seasonal Variation, Sources and Transport of Aerosols at Lijiang, Southeast Tibetan Plateau.AEROSOL AND AIR QUALITY RESEARCH,16(7),1579-1590.
MLA Zhang, Ningning,et al."Seasonal Variation, Sources and Transport of Aerosols at Lijiang, Southeast Tibetan Plateau".AEROSOL AND AIR QUALITY RESEARCH 16.7(2016):1579-1590.
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