Sources of particulate matter pollution in a small New Zealand city

Developmental Biology

Travis Ancelet¹  Perry K. Davy¹  Andreas Markwitz¹  William J. Trompetter¹ 

[1] GNS Science, 30 Gracefield Road, PO Box 31312, Lower Hutt, New Zealand$$

关键词: Particulate matter;    Ion beam analysis;    Positive matrix factorization;    New Zealand;   

DOI  :  10.5094/APR.2014.066

学科分类：农业科学（综合）

来源: Dokuz Eylul Universitesi * Department of Environmental Engineering

【 摘 要 】

The sources of PM₁₀ in the Tahunanui airshed of Nelson, New Zealand were investigated using positive matrix factorization (PMF) on elemental data obtained from filters collected from September 2008-September 2009. Also, the source(s) of peak, non-winter PM₁₀ concentrations that exceeded the National Environmental Standard for PM₁₀ were investigated using PM₁₀ and meteorological data from 2007–2012 and the PMF results. Seven PM₁₀ sources were identified: biomass burning, motor vehicles, secondary sulfate, marine aerosol, crustal matter, protective coating activities and fertilizer. Overall, biomass burning was the dominant source contributor (35% of PM₁₀). Analyses of PM₁₀ concentration dependences on meteorological variables showed that peak, non-winter PM₁₀ concentrations that occurred under moderate-to-high wind speeds from the southwest were the result of vehicular movements on unsealed roads in an industrial area. From this information, it is possible for Nelson City Council, who manages air quality at Tahunanui, to formulate mitigation strategies to reduce the impact of biomass burning and industrial vehicles on local air quality.

【 授权许可】

Unknown   

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