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Distribution characteristics of heavy metals in surface soils from the western area of Nansi Lake, China
Huijuan Guo;  Liyuan Yang;  Xuemei Han;  Jierui Dai;  Xugui Pang;  Mingyi Ren;  Wei Zhang
2019
发表期刊Environmental Monitoring and Assessment
卷号191期号:5页码:1-13
摘要

Surface soil samples collected from the western area of Nansi Lake, China, were analyzed for selected heavy metals including As, Cd, Pb, and Zn, to determine their spatial distributions and environmental effects. The average concentrations of As, Cd, Pb, and Zn in soil were 13.21 mg/kg, 0.20 mg/kg, 23.94 mg/kg, and 79.95 mg/kg, respectively. The concentration of As, Cd, and Zn was approximately 1.44-, 2.33-, and 1.25-fold higher than its background values in study area, respectively. Meanwhile, the concentrations of heavy metals progressively decreased from east to west within the study area, in a step-function distribution. The differences in the heavy metal distribution characteristics might be caused by the lake water irrigation and agricultural activities such as fertilizer and pesticide use. There were significant positive correlations between the values of OrgC, Al2O3, and Fe2O3 and concentrations of heavy metals. According to the Geoaccumulation index (Igeo) and the potential ecological risk index (PERI), Cd posed higher potential ecological risk in surface soil when compared with As, Pb, and Zn. These results could provide the scientific basis on which to evaluate the distribution of heavy metals under natural and anthropogenic influences in the surface soil near Nansi Lake, China.

关键词Heavy Metal Spatial Distribution Environmental Impact Factor Pollution Evaluation
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10218
专题环境地球化学国家重点实验室
作者单位1.School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
2.Shandong Institute of Geological Survey, Jinan 250002, China
3.Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, China
4.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
推荐引用方式
GB/T 7714
Huijuan Guo;Liyuan Yang;Xuemei Han;Jierui Dai;Xugui Pang;Mingyi Ren;Wei Zhang. Distribution characteristics of heavy metals in surface soils from the western area of Nansi Lake, China[J]. Environmental Monitoring and Assessment,2019,191(5):1-13.
APA Huijuan Guo;Liyuan Yang;Xuemei Han;Jierui Dai;Xugui Pang;Mingyi Ren;Wei Zhang.(2019).Distribution characteristics of heavy metals in surface soils from the western area of Nansi Lake, China.Environmental Monitoring and Assessment,191(5),1-13.
MLA Huijuan Guo;Liyuan Yang;Xuemei Han;Jierui Dai;Xugui Pang;Mingyi Ren;Wei Zhang."Distribution characteristics of heavy metals in surface soils from the western area of Nansi Lake, China".Environmental Monitoring and Assessment 191.5(2019):1-13.
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