Suspended particle characteristics in storm runoff from urban impervious surfaces in Toowoomba, Australia

I M Brodie; Peter K Dunn

doi:10.1080/15730620802541607

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Suspended particle characteristics in storm runoff from urban impervious surfaces in Toowoomba, Australia

Journal article

Open access

Peer reviewed

Suspended particle characteristics in storm runoff from urban impervious surfaces in Toowoomba, Australia

I M Brodie and Peter K Dunn

Urban Water Journal, Vol.6(2), pp.137-146

2009

DOI: https://doi.org/10.1080/15730620802541607

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Abstract

diffuse pollution

monitoring

pollutant build-up and run-off

sediment

stormwater runoff

Total suspended solids as a measure of suspended particles in urban stormwater has limitations and the alternative suspended sediment concentration method was adapted to determine non-coarse particle (NCP) concentration, defined as particles smaller than 500 μm. NCP was partitioned into the following classes: very fine particles (<8 μm, VFP), fine particles (8-63 μm, FP) and medium particles (63-500 μm, MP). A site mean concentration approach was adopted to differentiate the suspended particle characteristics between three impervious surfaces (roof, road and car park) using runoff data collected for 35 storms. Runoff particle size distribution (PSD) of all surfaces was dominated by particles less than 63 μm. A weak trend of relatively constant VFP concentration was present in the road runoff data. Roof runoff PSD became finer as NCP concentration increased and, overall, the PSD of car park runoff was coarser compared to road and roof runoff. These findings have runoff treatment implications as settling processes are influenced by particle size.

Details

Title: Suspended particle characteristics in storm runoff from urban impervious surfaces in Toowoomba, Australia
Authors: I M Brodie (Author) - University of Southern Queensland
Peter K Dunn (Author) - University of Southern Queensland
Publication details: Urban Water Journal, Vol.6(2), pp.137-146
Publisher: Taylor & Francis Ltd.
Date published: 2009
DOI: 10.1080/15730620802541607
ISSN: 1573-062X
Copyright note: Copyright © 2009. This is an electronic version of an article published in Ian M. Brodie & Peter K. Dunn (2009) Suspended particle characteristics in storm runoff from urban impervious surfaces in Toowoomba, Australia, Urban Water Journal, 6:2, 137-146, DOI: 10.1080/15730620802541607. Urban Water Journal is available online at: http://www.tandfonline.com/openurl?genre=article&issn=1573-062X&volume=6&issue=2&spage=137-146
Organisation Unit: University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering
Language: English
Record Identifier: 99449718402621
Output Type: Journal article