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Source-specific ecological and health risks of potentially toxic elements in agricultural soils in Southern Yunnan Province and associated uncertainty analysis
Guo, Guanghui1,2; Wang, Yuntao1,2; Zhang, Degang1,2; Lei, Mei1,2
2021-09-05
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume417Pages:11
Corresponding AuthorGuo, Guanghui(Guogh@igsnrr.ac.cn) ; Lei, Mei(Leim@igsnrr.ac.cn)
AbstractSource-specific risk apportionment is critical to prevent and control soil potentially toxic element (PTE) pollution. This study explored source-specific ecological and human health risks of soil PTEs in Southern Yunnan Province. Geochemical baseline values were determined to assess the pollution level of PTEs; then source-specific risk was apportioned combining positive matrix factorization (PMF) with ecological and human health risk assessment. Obvious accumulation of As, Cd, Pb, and Zn was observed in this area, especially Cd in 21.33% of the samples exhibited significant enrichment. Four sources were quantified based on PMF assisted with GISmapping: natural sources (41.49%), traffic emissions (24.70%), industrial activities (17.48%), and agricultural activities (16.33%). Industrial activities were the largest source (64.55%) to ecological risk. Agricultural activities were regarded as the major contributor to non-carcinogenic (adults: 75.93%, children: 62.33%) and carcinogenic risks (adults: 55.97%, children: 56.36%). Non-carcinogenic and carcinogenic risks for children were higher than adults, and their health risks showed similar trend. Thus, agricultural activities should be regarded as a priority to reduce health risk, whereas industrial activities should be given priority to control ecological risk. Although source-specific risk was quantified, combination with bioavailability and interactions of PTEs are necessary to obtain more accurate results in future.
KeywordAgricultural soils Potentially toxic elements Source-specific risks Priority sources
DOI10.1016/j.jhazmat.2021.126144
WOS KeywordHEAVY-METAL CONTAMINATION ; SOURCE APPORTIONMENT ; SPATIAL-DISTRIBUTION ; GUANGDONG PROVINCE ; TRACE-ELEMENTS ; SURFACE SOILS ; POLLUTION ; ACCUMULATION ; SHAANXI ; MATTER
Indexed BySCI
Language英语
Funding ProjectNational Key Technology Research and Development Program of China[2018YFC1800104]
Funding OrganizationNational Key Technology Research and Development Program of China
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000668986400001
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/163814
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGuo, Guanghui; Lei, Mei
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Guanghui,Wang, Yuntao,Zhang, Degang,et al. Source-specific ecological and health risks of potentially toxic elements in agricultural soils in Southern Yunnan Province and associated uncertainty analysis[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,417:11.
APA Guo, Guanghui,Wang, Yuntao,Zhang, Degang,&Lei, Mei.(2021).Source-specific ecological and health risks of potentially toxic elements in agricultural soils in Southern Yunnan Province and associated uncertainty analysis.JOURNAL OF HAZARDOUS MATERIALS,417,11.
MLA Guo, Guanghui,et al."Source-specific ecological and health risks of potentially toxic elements in agricultural soils in Southern Yunnan Province and associated uncertainty analysis".JOURNAL OF HAZARDOUS MATERIALS 417(2021):11.
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