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A 10-year observation of PM(2.5)(-)bound nickel in Xi'an, China: Effects of source control on its trend and associated health risks
Xu, Hongmei1,2,3; Ho, Steven Sai Hang2,4; Cao, Junji2,5; Guinot, Benjamin3; Kan, Haidong6; Shen, Zhenxing1; Ho, Kin Fai7; Liu, Suixin2; Zhao, Zhuzi2; Li, Jianjun2; Zhang, Ningning2; Zhu, Chongshu2; Zhang, Qian1; Huang, Rujin2
2017-01-24
Source PublicationSCIENTIFIC REPORTS
Volume7Issue:2017
SubtypeArticle
AbstractThis study presents the first long term (10-year period, 2004-2013) datasets of PM2.5-bound nickel Ni) concentration obtained from the daily sample in urban of Xi'an, Northwestern China. The Ni concentration trend, pollution sources, and the potential health risks associated to Ni were investigated. The Ni concentrations increased from 2004 to 2008, but then decreased due to coal consumption reduction, energy structure reconstruction, tighter emission rules and the improvement of the industrial and motor vehicle waste control techniques. With the comparison of distributions between workday and non-workday periods, the effectiveness of local and regional air pollution control policies and contributions of hypothetical Ni sources (industrial and automobile exhausts) were evaluated, demonstrating the health benefits to the populations during the ten years. Mean Ni cancer risk was higher than the threshold value of 10(-6), suggesting that carcinogenic Ni still was a concern to the residents. Our findings conclude that there are still needs to establish more strict strategies and guidelines for atmospheric Ni in our living area, assisting to balance the relationship between economic growth and environmental conservation in China.
WOS HeadingsScience & Technology
DOI10.1038/srep41132
WOS KeywordFINE PARTICULATE MATTER ; HEAVY-METALS ; CHEMICAL CHARACTERISTICS ; AIRBORNE NICKEL ; PM2.5 ; AEROSOL ; EMISSIONS ; CITY ; VARIABILITY ; ATMOSPHERE
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000392473400001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5557
Collection粉尘与环境研究室
Affiliation1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Peoples R China
3.Univ Toulouse, CNRS, UPS, Lab Aerol, Toulouse, France
4.Desert Res Inst, Div Atmospher Sci, Reno, NV USA
5.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Peoples R China
6.Fudan Univ, Sch Publ Hlth, Key Lab Publ Hlth Safety, Minist Educ, Shanghai, Peoples R China
7.Chinese Univ Hong Kong, Sch Publ Hlth & Primary Care, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Xu, Hongmei,Ho, Steven Sai Hang,Cao, Junji,et al. A 10-year observation of PM(2.5)(-)bound nickel in Xi'an, China: Effects of source control on its trend and associated health risks[J]. SCIENTIFIC REPORTS,2017,7(2017).
APA Xu, Hongmei.,Ho, Steven Sai Hang.,Cao, Junji.,Guinot, Benjamin.,Kan, Haidong.,...&Huang, Rujin.(2017).A 10-year observation of PM(2.5)(-)bound nickel in Xi'an, China: Effects of source control on its trend and associated health risks.SCIENTIFIC REPORTS,7(2017).
MLA Xu, Hongmei,et al."A 10-year observation of PM(2.5)(-)bound nickel in Xi'an, China: Effects of source control on its trend and associated health risks".SCIENTIFIC REPORTS 7.2017(2017).
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