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Spatial Pattern and Environmental Quality Assessment of Potentially Toxic Elements in Soils of Central Agricultural Areas, China


Affiliations
1 Henan Institute of Science and Technology, Xinxiang 453003, China
2 Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China
 

Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, and Zn concentrations in surface soils of central agricultural areas were investigated to evaluate the environmental quality of these potentially toxic elements using 603 samples. The following average concentrations were obtained: Cu, 21.8 mg/kg; Ni, 28.4 mg/kg; Cr, 74.0mg/kg; Co, 13.2 mg/kg; Mn, 677.1 mg/kg; Pb, 28.2 mg/kg; Hg, 0.047 mg/kg; Cd, 0.194 mg/kg; Zn, 63.7 mg/kg. Correlation analysis was applied to evaluate the results and identifying the possible sources of these potentially toxic elements. Distribution maps of the elements were created using the inverse distance weighted interpolation method. The nine metals exhibited generally distinct geographical patterns. Results showed that 6,730 km2 of the study area presented higher pollution indices and was slightly polluted.

Keywords

Spatial Distribution, Potentially Toxic Elements, Environmental Quality, Soil Environment.
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  • Spatial Pattern and Environmental Quality Assessment of Potentially Toxic Elements in Soils of Central Agricultural Areas, China

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Authors

Chunlin Yang
Henan Institute of Science and Technology, Xinxiang 453003, China
Ruiping Guo
Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China
Xiujuan Ren
Henan Institute of Science and Technology, Xinxiang 453003, China
Qingling Yue
Henan Institute of Science and Technology, Xinxiang 453003, China
Bingli Wang
Henan Institute of Science and Technology, Xinxiang 453003, China
Xihuan Zhang
Henan Institute of Science and Technology, Xinxiang 453003, China
Anbang Zhang
Henan Institute of Science and Technology, Xinxiang 453003, China
Dafu Wu
Henan Institute of Science and Technology, Xinxiang 453003, China
Dongfang Li
Henan Institute of Science and Technology, Xinxiang 453003, China
Yongzhuo Liu
Henan Institute of Science and Technology, Xinxiang 453003, China
Yanling Guo
Henan Institute of Science and Technology, Xinxiang 453003, China
Ying Zhang
Henan Institute of Science and Technology, Xinxiang 453003, China

Abstract


Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, and Zn concentrations in surface soils of central agricultural areas were investigated to evaluate the environmental quality of these potentially toxic elements using 603 samples. The following average concentrations were obtained: Cu, 21.8 mg/kg; Ni, 28.4 mg/kg; Cr, 74.0mg/kg; Co, 13.2 mg/kg; Mn, 677.1 mg/kg; Pb, 28.2 mg/kg; Hg, 0.047 mg/kg; Cd, 0.194 mg/kg; Zn, 63.7 mg/kg. Correlation analysis was applied to evaluate the results and identifying the possible sources of these potentially toxic elements. Distribution maps of the elements were created using the inverse distance weighted interpolation method. The nine metals exhibited generally distinct geographical patterns. Results showed that 6,730 km2 of the study area presented higher pollution indices and was slightly polluted.

Keywords


Spatial Distribution, Potentially Toxic Elements, Environmental Quality, Soil Environment.

References