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Author:

Wu, Lijun (Wu, Lijun.) | Yue, Weifeng (Yue, Weifeng.) | Wu, Jin (Wu, Jin.) | Cao, Changming (Cao, Changming.) | Liu, Hong (Liu, Hong.) | Teng, Yanguo (Teng, Yanguo.)

Indexed by:

EI Scopus SCIE

Abstract:

Aquatic sediment polluted by potentially toxic elements (PTEs) from mining activities represents a potential health "time bomb" for humans and the local ecology, but the integrated analysis of pollution and hazards of PTEs in sediment around typical metal mines in China is limited. Presently, the associated pollution status, spatial distribution, and ecological and health hazards of Cd, Cu, Zn, Pb, Cr, and As were investigated through index evaluation, spatial analysis, health risk assessment models, and Monte Carlo simulation. Overall, the sediment exhibited varying degrees of PTE contamination; notably, the level of Cd was 104.85 times higher than its background value, and it became the most enriched element in the surveyed sediment, followed in descending order by Cu, As, Zn, Pb, and Cr. Nationally, over 64.5% of metal-mining-affected sediment presented a very high ecological risk, contributed mostly by Cd (43.2%-98.7%) followed by As, Pb, and Cu; the risk contributed by both Cr and Zn was found to be negligible. The adverse health risk posed to children by most sediment was 1.72 and 6.46 times higher than that posed to adults for cancerous and noncancerous risks, respectively. The potential noncarcinogenic risks were mainly caused by As, which contributed over 78.9% of the Hazard Index values, then followed by Pb (>9.3%). For both children and adults, the carcinogenic risk of PTEs decreased in the following order: As > Cd > Cr > Pb. The investigated sediment was found seriously affected by nearby metal mines, especially those in regions with long-term and large-scale nonferrous-metal-mining activities. This study could provide a reference for policymakers to develop control strategies for PTE pollution in sediment around mining areas.

Keyword:

Metal mining Aquatic sediment Risk assessment Monte Carlo simulation Heavy metal

Author Community:

  • [ 1 ] [Wu, Lijun]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China
  • [ 2 ] [Yue, Weifeng]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China
  • [ 3 ] [Cao, Changming]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China
  • [ 4 ] [Liu, Hong]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China
  • [ 5 ] [Teng, Yanguo]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China
  • [ 6 ] [Wu, Lijun]Minist Educ, Engn Res Ctr Groundwater Pollut Control & Remediat, Beijing 100875, Peoples R China
  • [ 7 ] [Yue, Weifeng]Minist Educ, Engn Res Ctr Groundwater Pollut Control & Remediat, Beijing 100875, Peoples R China
  • [ 8 ] [Cao, Changming]Minist Educ, Engn Res Ctr Groundwater Pollut Control & Remediat, Beijing 100875, Peoples R China
  • [ 9 ] [Liu, Hong]Minist Educ, Engn Res Ctr Groundwater Pollut Control & Remediat, Beijing 100875, Peoples R China
  • [ 10 ] [Teng, Yanguo]Minist Educ, Engn Res Ctr Groundwater Pollut Control & Remediat, Beijing 100875, Peoples R China
  • [ 11 ] [Wu, Jin]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Yue, Weifeng]Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China;;

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Source :

JOURNAL OF ENVIRONMENTAL MANAGEMENT

ISSN: 0301-4797

Year: 2023

Volume: 329

8 . 7 0 0

JCR@2022

ESI Discipline: ENVIRONMENT/ECOLOGY;

ESI HC Threshold:17

Cited Count:

WoS CC Cited Count: 19

SCOPUS Cited Count: 28

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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