Distribution Characteristics and Risk Assessment of Antimony in Typical Urban Soil

被引：0

作者：

Shen C. ^{[1
]}

Ye W.-J. ^{[1
]}

Qian S.-Y. ^{[1
]}

Wu J. ^{[1
]}

Zhu X.-D. ^{[2
]}

Wang M. ^{[1
]}

机构：

[1] Shanghai Academy of Environmental Sciences, Shanghai

[2] State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai

来源：

Huanjing Kexue/Environmental Science | 2022年 / 43卷 / 09期

关键词：

antimony(Sb); distribution characteristics; land uses; risk assessment; soil;

D O I：

10.13227/j.hjkx.202111294

中图分类号：

学科分类号：

摘要：

In order to study the distribution characteristics and potential risk of antimony (Sb) in urban soil, the concentrations of soil Sb in four different land use types were analyzed based on the data of 1670 soil samples with different vertical profiles in 102 plots in Shanghai. The risks were evaluated using the potential ecological risk index method and health risk assessment model. The results showed that the average ω(Sb) in the study area was 0.52 mg•kg-1 , and the content of soil Sb gradually declined with the rise in soil profile depth. Sb was enriched in surface soil, which indicated that human activities had caused disturbance to the distribution of Sb in the soil. The content of Sb in the surface soil of industrial land was higher than that of residential land and commercial land, and the content of Sb in agricultural land was the lowest. The single-factor pollution index of industrial land was the highest, reaching a slight pollution level, whereas the residential land, commercial land, and agricultural land were at even-clean or clean levels, respectively. The whole region showed slight ecological risk, with the potential ecological risk index ranging from 4.23 to 7.61. The potential ecological risk level of industrial land was moderate, which needs to be addressed. The results of health risk assessment showed that the non-carcinogenic risk of Sb in the soil was low; however, it is of great concern to residents, especially children, when on residential land. © 2022 Science Press. All rights reserved.

引用

页码：4791 / 4799

页数：8

共 69 条

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