The effects of climatic changes, progressing urbanization and improved environmental controls on the simulated urban stormwater quality in a northern Sweden community were studied. Future scenarios accounting for those changes were developed and their effects simulated with the Storm Water Management Model (SWMM). It was observed that the simulated stormwater quality was highly sensitive to the scenarios, mimicking progressing urbanization with varying catchment imperviousness and area. Thus, land use change was identified as one of the most influential factors and in some scenarios, urban growth caused changes in runoff quantity and quality exceeding those caused by a changing climate. Adaptation measures, including the reduction of directly connected impervious surfaces (DCIS) through the integration of more green spaces into the urban landscape, or disconnection of DCIS were effective in reducing runoff volume and pollutant loads. Furthermore, pollutant source control measures, including material substitution, were effective in reducing pollutant loads and significantly improving stormwater quality.
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Research Article|
October 19 2013
Simulating future trends in urban stormwater quality for changing climate, urban land use and environmental controls
Matthias Borris;
1Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, 97187 Luleå, Sweden
E-mail: matthias.borris@ltu.se
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Maria Viklander;
Maria Viklander
1Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, 97187 Luleå, Sweden
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Anna-Maria Gustafsson;
Anna-Maria Gustafsson
1Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, 97187 Luleå, Sweden
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Jiri Marsalek
Jiri Marsalek
2National Water Research Institute, Environment Canada, 867 Lakeshore Rd., Burlington ON, Canada L7R 4A6
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Water Sci Technol (2013) 68 (9): 2082–2089.
Article history
Received:
June 12 2013
Accepted:
July 08 2013
Citation
Matthias Borris, Maria Viklander, Anna-Maria Gustafsson, Jiri Marsalek; Simulating future trends in urban stormwater quality for changing climate, urban land use and environmental controls. Water Sci Technol 1 November 2013; 68 (9): 2082–2089. doi: https://doi.org/10.2166/wst.2013.465
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