NDLI: Heavy Metal Pollution Characteristics and Potential Ecological Risk Assessment of Surface Soil in Dawen River Basin

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Heavy Metal Pollution Characteristics and Potential Ecological Risk Assessment of Surface Soil in Dawen River Basin

Content Provider	Scilit
Author	Ding, Min Zhang, Linlin Zhang, Zhirui Xu, Xu Tang, Jianting Fan, Ting Zhao, Weijun
Copyright Year	2019
Description	Journal: Iop Conference Series: Earth and Environmental Science In this paper, 21 surface soil samples on both banks of Dawen River were selected for heavy metal testing and analysis. The average contents of heavy metals in soil samples in Dawen River Basin were as follows: Cr (72.3 mg/kg) > Pb (19.7 mg/kg) > As (8.80 mg/kg) > Cd (0.23 mg/kg) > Hg (0.05 mg/kg). Compared with the regional background value, the content of most heavy metals in the soil of the study area is higher. The single factor index method and Nimero comprehensive index method were used to evaluate the characteristics of heavy metal pollution in soil. The results show that the soil environment is in good condition. Potential ecological hazards of heavy metals in soil were calculated by Hakanson's potential ecological hazard index method. The results showed that 80.95% of the studied areas were slightly ecological hazards, 14.29% were moderately ecological hazards, and 4.76% were very strong ecological hazards.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/242/5/052022/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/242/5/052022
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	5
Volume Number	242
Language	English
Publisher	IOP Publishing
Publisher Date	2019-03-30
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Water Science and Technology Potential Ecological Heavy Metal Pollution
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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