Spatial analysis of urban stormwater quality

Ghafouri, M. and Swain, C.E. 2005, Spatial analysis of urban stormwater quality, Journal of spatial hydrology, vol. 5, no. 1, Spring, pp. 33-46.

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Title Spatial analysis of urban stormwater quality
Author(s) Ghafouri, M.
Swain, C.E.
Journal name Journal of spatial hydrology
Volume number 5
Issue number 1
Season Spring
Start page 33
End page 46
Publisher Spatial Hydrology
Place of publication Humble, Tex.
Publication date 2005
ISSN 1530-4736
1550-0896
Keyword(s) spatial analysis
temporal analysis
stormwater
Event Mean Concentration
geostatistics
pollutants
Summary Urban stormwater non-point source pollutants are recognized as a major cause of receiving waters quality deterioration. To date most research has focused on specifying temporal variations of stormwater quality parameters which includes high uncertainties and also increases the risk of pollution control structures failure. Traditionally, the temporal variations of quality parameters in forms of either pollutograph or Event Mean Concentration (EMC) is obtained by sampling stormwater at the outlet of urban catchments for quality analysis in addition to measurement of flow rate over years. Spatial variations of the runoff quality are the key factor in non-point source pollution studies. This research investigates spatial variability of urban runoff quality parameters such as Total Phosphorous (TP), Total Nitrogen (TN), Suspended Solids (SS) and Biochemical Oxygen Demands (BOD) in relation to land use of urban catchments. In spatial analysis, stormwater will be sampled over the whole catchment area for a number of rainfall events during a year without any requirement to measure flow rate. This research showed comparable results for average pollutant concentrations with those of other urban catchments in Australia where traditional sampling method was used. The research outcomes will reliably estimate pollutants concentration for improved and efficient design of pollution control structures for each land use.
Language eng
Field of Research 040608 Surfacewater Hydrology
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003007

Document type: Journal Article
Collection: School of Engineering and Technology
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