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Polycyclic aromatic hydrocarbons in the soils of the Yangtze River Delta Urban Agglomeration, China: Influence of land cover types and urbanization
Li, Ye1; Liu, Min1,2; Li, Runkui3,4; Sun, Pei1; Xia, Haibin1; He, Tianhao1
2020-05-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume715Pages:11
Corresponding AuthorLiu, Min(mliu@geo.ecnu.edu.cn)
AbstractWith the development of urbanization, urban areas have become the main sources and sinks of polycyclic aromatic hydrocarbons (PAHs). The effects of human activities on the behaviors of PAHs in urban agglomerations have attracted significant attention. We collected soil samples (n = 330) to investigate the distribution, composition, and sources of 16 PAHs in the Yangtze River Delta Urban Agglomeration using the land resolution of 24 km x 24 km. The concentrations of Sigma(16)PAHs ranged from 21 to 2034 ng/g, with a median value of 124 +/- 338 ng/g. The concentrations of PAHs were highest in impervious surfaces (350 +/- 352 ng/g), followed by grassland (259 +/- 322 ng/g), cropland (254 +/- 341 ng/g), forest (190 +/- 303 ng/g), and water (68 +/- 34 ng/g). PAHs were dominated by medium-molecular-weight components (4 rings PAHs), followed by PAHs with high-molecular-weight (5-6 rings PAHs) and low-molecular-weight (2-3 rings PAHs) components. Fluoranthene, benzotalanthracene and chrysene are three major pollutants in YRDUA. A positive matrix factorization model indicated that fossil fuel combustion, coal combustion and volatilization, vehicle emission, and biomass burning were the main sources of PAHs, contributing 36%, 29%, 22%, and 12% of PAH sources, respectively. Urbanization parameters were positively correlated with PAH concentrations. A land use regression (LUR) model integrated with urbanization parameters showed evidence of the strong relationship between measured predicted PAHs. These findings together highlighted that land cover types and human activities intensively influenced the PAHs pollution in the highly urbanized zones. (C) 2020 Elsevier B.V. All rights reserved.
KeywordPolycyclic aromatic hydrocarbon Soil Yangtze River Delta urban agglomeration Urbanization Land use regression model
DOI10.1016/j.scitotenv.2020.137011
WOS KeywordUSE REGRESSION-MODEL ; SOURCE APPORTIONMENT ; BLACK CARBON ; PAHS ; RISK ; SHANGHAI ; HEALTH ; DISTRIBUTIONS ; ATMOSPHERE ; PATTERNS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41730646] ; National Natural Science Foundation of China[41761144062] ; National Natural Science Foundation of China[41771435] ; Shanghai Natural Science Foundation[19ZR1415200]
Funding OrganizationNational Natural Science Foundation of China ; Shanghai Natural Science Foundation
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000518409900112
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/133084
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Min
Affiliation1.East China Normal Univ, Sch Geog Sci, Key Lab Geog Informat Sci, Minist Educ, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
2.Inst Ecochongming IEC, 3663 N Zhongshan Rd, Shanghai 200062, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Li, Ye,Liu, Min,Li, Runkui,et al. Polycyclic aromatic hydrocarbons in the soils of the Yangtze River Delta Urban Agglomeration, China: Influence of land cover types and urbanization[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,715:11.
APA Li, Ye,Liu, Min,Li, Runkui,Sun, Pei,Xia, Haibin,&He, Tianhao.(2020).Polycyclic aromatic hydrocarbons in the soils of the Yangtze River Delta Urban Agglomeration, China: Influence of land cover types and urbanization.SCIENCE OF THE TOTAL ENVIRONMENT,715,11.
MLA Li, Ye,et al."Polycyclic aromatic hydrocarbons in the soils of the Yangtze River Delta Urban Agglomeration, China: Influence of land cover types and urbanization".SCIENCE OF THE TOTAL ENVIRONMENT 715(2020):11.
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