Development of pollutant build-up parameters for MIKE URBAN for Southeast Queensland, Australia
Liu, An, Egodawatta, Prasanna, Kjolby, Morten J., & Goonetilleke, Ashantha (2010) Development of pollutant build-up parameters for MIKE URBAN for Southeast Queensland, Australia. In Proceedings of the International MIKE by DHI Conference, Danish Hydraulics Institute, Copenhagen, Denmark.
Accurate estimation of input parameters is essential to ensure the accuracy and reliability of hydrologic and water quality modelling. Calibration is an approach to obtain accurate input parameters for comparing observed and simulated results. However, the calibration approach is limited as it is only applicable to catchments where monitoring data is available. Therefore, methodology to estimate appropriate model input parameters is critical, particularly for catchments where monitoring data is not available. In the research study discussed in the paper, pollutant build-up parameters derived from catchment field investigations and model calibration using MIKE URBAN are compared for three catchments in Southeast Queensland, Australia. Additionally, the sensitivity of MIKE URBAN input parameters was analysed. It was found that Reduction Factor is the most sensitive parameter for peak flow and total runoff volume estimation whilst Build-up rate is the most sensitive parameter for TSS load estimation. Consequently, these input parameters should be determined accurately in hydrologic and water quality simulations using MIKE URBAN. Furthermore, an empirical equation for Southeast Queensland, Australia for the conversion of build-up parameters derived from catchment field investigations as MIKE URBAN input build-up parameters was derived. This will provide guidance for allowing for regional variations in the estimation of input parameters for catchment modelling using MIKE URBAN where monitoring data is not available.
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|Item Type:||Conference Paper|
|Keywords:||MIKE URBAN, Stormwater quality modelling, Pollutant build-up|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2010 please consult the author|
|Deposited On:||20 Sep 2010 10:41|
|Last Modified:||11 Aug 2011 01:14|
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