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    Continuous simulations of nutrients and BOD through a stream section

    Access Status
    Fulltext not available
    Authors
    Imteaz, M.
    Hossain, I.
    Anwar, Faisal
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Imteaz, M. and Hossain, I. and Anwar, F. 2015. Continuous simulations of nutrients and BOD through a stream section. International Journal of Water. 9 (2): pp. 144-156.
    Source Title
    International Journal of Water
    DOI
    10.1504/IJW.2015.068957
    ISSN
    1465-6620
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/19248
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents development of a one-dimensional stream water quality model for the continuous simulations of suspended sediments, biochemical oxygen demand (BOD), total phosphorus (TP) and total nitrogen (TN) along a particular stream section. The model first integrates stream hydraulics and suspended sediments transport and deposition processes. Then computations of degradation of water quality parameters (BOD, TP and TN) are incorporated with the hydraulic-sediment transport model. The stream hydraulic model was developed using Muskingum-Cunge method of channel routing. The well known suspended sediment transport/deposition processes have been modified and integrated with the developed hydraulic model. The developed water quality model was applied and simulated for the Saltwater Creek, Gold Coast, Australia. Sensitivity analysis of the model showed that all the particles characteristics within incoming stream flows are important for the better prediction of suspended sediment loads.

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