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Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China
Heavy metals are released into the water system through various natural processes and anthropogenic activities, thus indirectly or directly endangering human health. The distribution, source, water quality and health risk assessment of dissolved heavy metals (V, Mn, Fe, Co, Ni, Zn, As, Mo, Sb) in ma...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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PeerJ Inc.
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8323599/ https://www.ncbi.nlm.nih.gov/pubmed/34395088 http://dx.doi.org/10.7717/peerj.11853 |
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author | Zhang, Xingyong Wu, Qixin Gao, Shilin Wang, Zhuhong He, Shouyang |
author_facet | Zhang, Xingyong Wu, Qixin Gao, Shilin Wang, Zhuhong He, Shouyang |
author_sort | Zhang, Xingyong |
collection | PubMed |
description | Heavy metals are released into the water system through various natural processes and anthropogenic activities, thus indirectly or directly endangering human health. The distribution, source, water quality and health risk assessment of dissolved heavy metals (V, Mn, Fe, Co, Ni, Zn, As, Mo, Sb) in major rivers in Wuhan were analyzed by correlation analysis (CA), principal component analysis (PCA), heavy metal pollution index (HPI), hazard index (HI) and carcinogenic risk (CR). The results showed that the spatial variability of heavy metal contents was pronounced. PCA and CA results indicated that natural sources controlled Mn, Fe, Co, Ni and Mo, and industrial emissions were the dominant factor for V, Zn and Sb, while As was mainly from the mixed input of urban and agricultural activities. According to the heavy metal pollution index (HPI, ranging from 23.74 to 184.0) analysis, it should be noted that As and Sb contribute most of the HPI values. The health risk assessment using HI and CR showed that V and Sb might have a potential non-carcinogenic risk and As might have a potential carcinogenic risk to adults and children in the study area (CR value exceeded target risk 10(−4)). At the same time, it was worth noting that As might have a potential non-carcinogenic risk for children around QLR (HI value exceeded the threshold value 1). The secular variation of As and Sb should be monitor in high-risk areas. The results of this study can provide important data for improving water resources management efficiency and heavy metal pollution prevention in Wuhan. |
format | Online Article Text |
id | pubmed-8323599 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | PeerJ Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-83235992021-08-13 Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China Zhang, Xingyong Wu, Qixin Gao, Shilin Wang, Zhuhong He, Shouyang PeerJ Aquatic and Marine Chemistry Heavy metals are released into the water system through various natural processes and anthropogenic activities, thus indirectly or directly endangering human health. The distribution, source, water quality and health risk assessment of dissolved heavy metals (V, Mn, Fe, Co, Ni, Zn, As, Mo, Sb) in major rivers in Wuhan were analyzed by correlation analysis (CA), principal component analysis (PCA), heavy metal pollution index (HPI), hazard index (HI) and carcinogenic risk (CR). The results showed that the spatial variability of heavy metal contents was pronounced. PCA and CA results indicated that natural sources controlled Mn, Fe, Co, Ni and Mo, and industrial emissions were the dominant factor for V, Zn and Sb, while As was mainly from the mixed input of urban and agricultural activities. According to the heavy metal pollution index (HPI, ranging from 23.74 to 184.0) analysis, it should be noted that As and Sb contribute most of the HPI values. The health risk assessment using HI and CR showed that V and Sb might have a potential non-carcinogenic risk and As might have a potential carcinogenic risk to adults and children in the study area (CR value exceeded target risk 10(−4)). At the same time, it was worth noting that As might have a potential non-carcinogenic risk for children around QLR (HI value exceeded the threshold value 1). The secular variation of As and Sb should be monitor in high-risk areas. The results of this study can provide important data for improving water resources management efficiency and heavy metal pollution prevention in Wuhan. PeerJ Inc. 2021-07-27 /pmc/articles/PMC8323599/ /pubmed/34395088 http://dx.doi.org/10.7717/peerj.11853 Text en © 2021 Zhang et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited. |
spellingShingle | Aquatic and Marine Chemistry Zhang, Xingyong Wu, Qixin Gao, Shilin Wang, Zhuhong He, Shouyang Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title | Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title_full | Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title_fullStr | Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title_full_unstemmed | Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title_short | Distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in Wuhan, China |
title_sort | distribution, source, water quality and health risk assessment of dissolved heavy metals in major rivers in wuhan, china |
topic | Aquatic and Marine Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8323599/ https://www.ncbi.nlm.nih.gov/pubmed/34395088 http://dx.doi.org/10.7717/peerj.11853 |
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