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Metals in surface specific urban runoff in Beijing
Shajib, Md Tariqul Islam1,2,3; Hansen, Hans Christian Bruun1,3; Liang, Tao2,3; Holm, Peter E.1,3
2019-05-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume248Pages:584-598
Corresponding AuthorHolm, Peter E.(peho@plen.ku.dk)
AbstractMetals are among the most toxic pollutants in urban stormwater. To investigate the concentration of dissolved and particulate fractions, the temporal variation during rain events, the effect of wash-off surface, and to assess the pollution status of metals in urban runoff, a total of 155 samples were collected mainly from trafficked areas, roofs and parking lots in Beijing from March to November 2015. Most of the metals were found mainly in the particulate fraction (68-96%) from trafficked surfaces, while for roof runoff Cd, Fe, Mn and Zn were found more equally in dissolved and particulate fractions. Metal concentrations were higher during start of a rain event than later (p < 0.05), and also were higher the longer the period of antecedent dry days. The mean concentration of all metals in trafficked areas exceeded both the Chinese standard Level III (swimming and fishery waters) and the European standards (surface water). Mean concentrations of Cd, Mn, Zn, Al, Fe, Pb and Ni from trafficked areas were 2-10 times higher due to higher traffic intensity and substantial atmospheric deposition, while Sb was 20 times higher than in any other reported data for urban runoff. Cluster analysis (CA) and principal component analysis (PCA) together with Pearson's correlation co-efficient suggested that Cd, Cr, Cu, Mn, Ni, Pb, and Zn mainly originates from vehicular activities, while Mn and Zn in roof runoff is due to atmospheric deposition. The geo-accumulation and pollution indices show that runoff from trafficked areas are moderately to heavily polluted by most metals, except Cu and Zn. Thus, Beijing urban runoff presents an environmental risk towards lakes, bathing water and drinking water. The results can be used as basis for development of stormwater and pollution control strategies. (C) 2019 Elsevier Ltd. All rights reserved.
KeywordMetals Surface specific Runoff Beijing
DOI10.1016/j.envpol.2019.02.039
WOS KeywordHEAVY-METALS ; HIGHWAY RUNOFF ; STORMWATER RUNOFF ; RISK-ASSESSMENT ; ATMOSPHERIC DEPOSITION ; ROADSIDE SOILS ; POLLUTION ; CONTAMINATION ; POLLUTANTS ; RAINWATER
Indexed BySCI
Language英语
Funding ProjectSino - Danish Center for Education and Research (SDC), University of Copenhagen ; National Natural Science Foundation of China[41571473]
Funding OrganizationSino - Danish Center for Education and Research (SDC), University of Copenhagen ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000466618000061
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59871
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHolm, Peter E.
Affiliation1.Univ Copenhagen, Dept Plant & Environm Sci, Thorvaldsensvej 40, Frederiksberg C, Denmark
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
3.Sino Danish Ctr Educ & Res SDC, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Shajib, Md Tariqul Islam,Hansen, Hans Christian Bruun,Liang, Tao,et al. Metals in surface specific urban runoff in Beijing[J]. ENVIRONMENTAL POLLUTION,2019,248:584-598.
APA Shajib, Md Tariqul Islam,Hansen, Hans Christian Bruun,Liang, Tao,&Holm, Peter E..(2019).Metals in surface specific urban runoff in Beijing.ENVIRONMENTAL POLLUTION,248,584-598.
MLA Shajib, Md Tariqul Islam,et al."Metals in surface specific urban runoff in Beijing".ENVIRONMENTAL POLLUTION 248(2019):584-598.
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