A comparison of metal distribution in surface dust and soil among super city, town, and rural area

被引：94

作者：

Li, Yingxia ^{[1
]}

Yu, Yang ^{[1
]}

Yang, Zhifeng ^{[1
]}

Shen, Zhenyao ^{[1
]}

Wang, Xuan ^{[1
]}

Cai, Yanpeng ^{[1
]}

机构：

[1] Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2016年 / 23卷 / 08期

基金：

美国国家科学基金会;

关键词：

Beijing center; Metals; Miyun county; Miyun town; Rural surface soils; Urban surface dust; HEALTH-RISK ASSESSMENT; HEAVY-METAL; STREET DUST; AGRICULTURAL SOILS; TRACE-METALS; URBAN SOILS; CONTAMINATION; ROAD; SEDIMENT; LEAD;

D O I：

10.1007/s11356-015-5911-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

One super city leading and supported by surrounding smaller cities, towns, and countries is a typical regional development pattern in China. To study the metal enrichment differences in environment among these regions, 91 urban surface dust and rural surface soil samples were collected from Beijing center (BJC), Miyun town (MYT), and Miyun county (MYC). Cu and Sb concentrations in urban surface dust of BJC were much higher than the less crowded MYT which stood out as a good indicator for brake system wear. Cd, Cu, Hg, Pb, Sb, and Zn concentrations in urban surface dust were 1.48, 1.57, 2.73, 1.58, 6.20, and 1.98 times higher than rural surface soils on average, respectively. Aerosol sedimentation was shown to mainly contribute to Cd and Pb in urban surface dust in parks and forest soils. Hospitals and clinics were found to contribute much Hg to the surrounding environment.

引用

页码：7849 / 7860

页数：12

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