Spatial Distribution of Bulk Atmospheric Deposition of Heavy Metals in Metropolitan Sydney, Australia

被引：68

作者：

Davis, Brett S. ^{[1
]}

Birch, Gavin F. ^{[1
]}

机构：

[1] Univ Sydney, Dept Geosci, Environm Geol Grp, Sydney, NSW 2006, Australia

来源：

WATER AIR AND SOIL POLLUTION | 2011年 / 214卷 / 1-4期

基金：

澳大利亚研究理事会;

关键词：

Atmospheric deposition; Heavy metals; Stormwater; Urban; Pollution; Roads; URBANIZED SUB-CATCHMENT; PORT-JACKSON; TRACE-METALS; ROAD DUST; LEAD; SOILS; ZINC; DRY; RUNOFF; HYDROCARBONS;

D O I：

10.1007/s11270-010-0411-3

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The detailed spatial distribution of atmospheric deposition flux of pollutants in metropolitan Sydney, Australia (ca. 480 km(2)) is investigated through the direct simultaneous sampling of bulk deposition adjacent to roads with various traffic volumes and at background sites over a period of 1 year. Based on the field results and detailed land-use analyses, atmospheric deposition rates of copper, lead and zinc are calculated for the metropolitan region, and the contributions to stormwater pollutant loads are evaluated. Total particulates and heavy metals in bulk atmospheric deposition are found to be temporally consistent, and to exhibit strong correlations with road proximity and traffic volume. The material captured adjacent to major roads has a distinct average composition of 862 mg/kg copper, 364 mg/kg lead and 4,617 mg/kg zinc. Modelling accounting for road proximity, traffic volume and land-use affords annualised stormwater-entrainable depositional fluxes of 6.5, 4.1, 47.2 and 10,800 kg/km(2)/year for copper, lead and zinc.

引用

页码：147 / 162

页数：16

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