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Spatial distribution of bulk atmospheric deposition of heavy metals in metropolitan Sydney, Australia

Davis, Brett S. ; Birch, Gavin F.

Water, Air, & Soil Pollution, Jan, 2011, Vol.214(1-4), p.147(16) [Tạp chí có phản biện]

ISSN: 0049-6979

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  • Nhan đề:
    Spatial distribution of bulk atmospheric deposition of heavy metals in metropolitan Sydney, Australia
  • Tác giả: Davis, Brett S. ; Birch, Gavin F.
  • Chủ đề: Pollutants ; Air Pollution ; Copper (Metal) ; Heavy Metals
  • Là 1 phần của: Water, Air, & Soil Pollution, Jan, 2011, Vol.214(1-4), p.147(16)
  • Mô tả: The detailed spatial distribution of atmospheric deposition flux of pollutants in metropolitan Sydney, Australia (ca. 480 [km.sup.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 86 mg/kg copper, 364 mg/kg lead and 4,617 mg/kg zinc. Modelling accounting for road proximity, traffic volume and landuse affords annualised stormwater-entrainable depositional fluxes of 6.5,4.1,47.2 and 10,800 kg/[km.sup.2]/year for copper, lead and zinc. Keywords Atmospheric deposition * Heavy metals * Stormwater * Urban * Pollution * Roads
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0049-6979

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