A pilot investigation into the potential of mineral magnetic measurements as a proxy for urban roadside particulate pollution

Booth, C., Winspear, C., Fullen, M., Worsley, A., Power, A. and Holden, V. (2007) A pilot investigation into the potential of mineral magnetic measurements as a proxy for urban roadside particulate pollution. Air Pollution XV. ISSN 1743-3541

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Abstract

The use of mineral magnetic concentration parameters (χLF, χARM and SIRM) as a potential particle size proxy for urban street dust collected from Southport (Merseyside, UK) is explored. Correlation analyses between each magnetic parameter and traditional particle size classes (i.e. sand, silt and clay) and respiratory health related size classes (i.e. PM10, PM2.5 and PM1.0) are reported. Significant relationships (p <0.001; n = 50) exist between sand, silt and clay content with at least one or all of the magnetic concentration parameters. This is also the same for each PM10, PM2.5 and PM1.0 sizes. Of the three magnetic parameters, χLF displays the strongest correlation values (r = 0.701, P <0.001, n = 50) and is the most significant parameter, which is consistent with all class sizes of each approach. In doing so, these associations indicate mineral magnetic measurements have considerable potential as a particle size proxy for determining urban roadside particulate matter concentrations. Given the speed, low-cost and sensitivity of the measurements, this suggests magnetic techniques could potentially be used as an alternative and/or complementary exploratory technology for pilot particulate pollution investigations. Furthermore, in certain instances, it could be useful for examining linkages between respiratory health and particulate pollution and vehicle emissions.

Item Type: Article
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Divisions: Geography, Earth and Environmental Sciences
Date Deposited: 29 Nov 2010 12:31
URI: http://repository.edgehill.ac.uk/id/eprint/1450

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