Source Apportionment and Risk Assessment of Heavy Metals (Cd, Cu, Ni, Pb, Zn, and Mn) in Surface Sediments from the Dragon Lake, Bengbu, China

被引:8
作者
Li Ma [1 ]
Zhu, Lanbao [1 ]
Wang, Jing [1 ]
机构
[1] Bengbu Univ, Sch Civil Engn, Bengbu 233030, Peoples R China
来源
POLISH JOURNAL OF ENVIRONMENTAL STUDIES | 2021年 / 30卷 / 03期
基金
中国国家自然科学基金;
关键词
heavy metals; sediments; assessment; source; Dragon Lake; HEALTH-RISK; SOURCE IDENTIFICATION; POLLUTION ASSESSMENT; SOILS; DUST; AREA; CITY; CONTAMINATION; ACCUMULATION; CHANGSHA;
D O I
10.15244/pjoes/127869
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Heavy metal concentrations in surface sediments of the Dragon Lake were studied based on the field investigation, sampling, indoor test and statistical analysis. Pollution risk was assessed using geoaccumulation index (I-geo), potential ecological risk index (PERI) and sediment quality guidelines (SQGs). The enrichment level of heavy metals in surface sediments decreased in the order of Cd>Zn>Cu>Ni>Pb>Mn. I-geo and PERI indicated Cd had the highest biological risk among the six heavy metals. The concentrations of Cd, Ni and Zn were between threshold effect level (TEL) and probable effect level (PEL), suggesting adverse biological effect occasionally occurred. Comparing the north and south of Dragon lake, the north part should be given more attention due to the higher heavy metal concentrations. The metals (Cd, Zn, Cu, Ni, and Pb) were attributed to anthropogenic sources, including agriculture, industrial emissions and traffic pollution, whereas Mn was mainly from natural sources. The results can provide reference for water quality management of Dragon Lake.
引用
收藏
页码:2203 / 2212
页数:10
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