DISTRIBUTION OF LEAD IN URBAN SOIL AND ITS POTENTIAL RISK IN SHENYANG CITY, CHINA

The horizontal and vertical distribution characteristics of Pb in urban soil of Shenyang City, China were investigated in this study. The range of Pb concentration in the soil was 22.02-2910.60mg/kg. The standard deviation was 443.07mg/kg, and coefficient of variation was 1.64. Tiexi District was se...

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Bibliographic Details
Published in:Chinese geographical science 2006, Vol.16 (2), p.127-132
Main Authors: Wang, Jin-da, Ren, Hui-min, Liu, Jing-shuang, Yu, Jun-bao, Zhang, Xue-lin
Format: Article
Language:English
Subjects:
Health risk assessment
Lead
Soil contamination
Studies
Urban areas
元素分布
沈阳市
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Summary:The horizontal and vertical distribution characteristics of Pb in urban soil of Shenyang City, China were investigated in this study. The range of Pb concentration in the soil was 22.02-2910.60mg/kg. The standard deviation was 443.07mg/kg, and coefficient of variation was 1.64. Tiexi District was seriously contaminated by lead. In general, Pb concentration in the soil decreased with distance from pollution source. Lead concentration varied in different functional areas with the order of industrial area〉commercial area〉residential area〉suburb〉reference area. Pb concentration decreased with the depth of soil profile. Both geo-accumulation index and ecological risk index were used to estimate the potential risk of soil Pb pollution in Shenyang City. The results showed that the high potential risk area included Tiexi District and traffic roads.
ISSN:1002-0063
1993-064X
DOI:10.1007/s11769-006-0006-5