Heavy Metals in Suspended Particulate Matter of the Zhujiang River, Southwest China: Contents, Sources, and Health Risks | |
Jie Zeng; Guilin Han; Qixin Wu; Yang Tang | |
2019 | |
Source Publication | International Journal Of Environmental Research And Public Health
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Volume | 16Issue:10Pages:1-16 |
Abstract | To investigate the abundance, water/particle interaction behavior, sources, and potential risk of heavy metals in suspended particulate matter (SPM), a total of 22 SPM samples were collected from the Zhujiang River, Southwest China, in July 2014 (wet season). Nine heavy metal(loid)s (V, Cr, Mn, Ni, Cu, Zn, As, Cd and Pb) in SPM were detected. The results show that the selected heavy metal(loid)s in SPM appear in the following order: Mn (982.4 mg kg(-1)) > Zn (186.8 mg kg(-1)) > V (143.6 mg kg(-1)) > Cr (129.1 mg kg(-1)) > As (116.8 mg kg(-1)) > Cu (44.1 mg kg(-1)) > Ni (39.9 mg kg(-1)) > Pb (38.1 mg kg(-1)) > Cd (3.8 mg kg(-1)). Furthermore, both the enrichment factor (EF) and geo-accumulation index (I-geo) indicate that SPM is extremely enriched in metal(loid)s of Cd and As, while SPM is slightly enriched, or not enriched, in other heavy metals. According to the toxic risk index (TRI) and hazard index (HI), arsenic accounts for the majority of the SPM toxicity (TRI = 8, 48.3 +/- 10.4%) and causes the primary health risk (HI > 1), and the potential risks of V and Cr are also not negligible. By applying a correlation matrix and principal component analysis (PCA), three principal components (PC) were identified and accounted for 79.19% of the total variance. PC 1 (V, Cr, Mn, Ni, Cu, and Pb) is controlled by natural origins. PC 2 (As and Cd) is mainly contributed by anthropogenic origins in the basin. PC 3 (Zn) can be attributed to mixed sources of natural and anthropogenic origins. Moreover, all the partition coefficients (lgK(d)) exceeded 2.9 (arithmetical mean value order: Mn > Pb > Cd > V approximate to Cu > Cr approximate to Ni), indicating the powerful adsorptive ability of SPM for these heavy metal(loid)s during water/particle interaction. |
Keyword | Heavy Metals Suspended Particulate Matter Enrichment Health Risk Pearl River Southwest China |
Indexed By | SCI |
Language | 英语 |
Document Type | 期刊论文 |
Identifier | http://ir.gyig.ac.cn/handle/42920512-1/10216 |
Collection | 环境地球化学国家重点实验室 |
Affiliation | 1.Institute of Earth Sciences, China University of Geosciences (Beijing), Beijing 100083, China 2.Key Laboratory of Karst Environment and Geohazard, Ministry of Land and Resources, Guizhou University, Guiyang 550025, China 3.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China |
Recommended Citation GB/T 7714 | Jie Zeng;Guilin Han;Qixin Wu;Yang Tang. Heavy Metals in Suspended Particulate Matter of the Zhujiang River, Southwest China: Contents, Sources, and Health Risks[J]. International Journal Of Environmental Research And Public Health,2019,16(10):1-16. |
APA | Jie Zeng;Guilin Han;Qixin Wu;Yang Tang.(2019).Heavy Metals in Suspended Particulate Matter of the Zhujiang River, Southwest China: Contents, Sources, and Health Risks.International Journal Of Environmental Research And Public Health,16(10),1-16. |
MLA | Jie Zeng;Guilin Han;Qixin Wu;Yang Tang."Heavy Metals in Suspended Particulate Matter of the Zhujiang River, Southwest China: Contents, Sources, and Health Risks".International Journal Of Environmental Research And Public Health 16.10(2019):1-16. |
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