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System dynamics modeling with sensitivity analysis for floating treatment wetlands in a stormwater wet pond

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  • Marimon, Zachary A.
  • Xuan, Zhemin
  • Chang, Ni-Bin

Abstract

Rapid urbanization and climate variability impacts increase with more extreme precipitation and drought events, challenging stormwater management in terms of both flood control and water quality. Traditional stormwater wet detention ponds have limited capacity to remove nutrient pollutants, specifically nitrogen, and the changing environment may exacerbate the problem. The use of floating treatment wetlands (FTWs) may become a viable best management practice to increase the efficiency for on-site removal of nitrogen pollution from traditional stormwater wet detention ponds before release into neighboring aquatic systems or to the groundwater. This study, which is deemed a companion study of the early ecological engineering practice of FTWs, presents a system dynamics model to improve understanding of the nitrogen cycle in relation to FTWs-based subtropical stormwater wet detention ponds. The model was calibrated and validated based on surface water samples collected in a thorough field campaign with R-squared values of 0.83 and 0.97, respectively. Final simulation runs with sensitivity analysis were conducted to investigate scientific questions about the experimental design and effects of urbanization impacts on the biological nitrogen cycling in stormwater ponds.

Suggested Citation

  • Marimon, Zachary A. & Xuan, Zhemin & Chang, Ni-Bin, 2013. "System dynamics modeling with sensitivity analysis for floating treatment wetlands in a stormwater wet pond," Ecological Modelling, Elsevier, vol. 267(C), pages 66-79.
    • Handle: RePEc:eee:ecomod:v:267:y:2013:i:c:p:66-79
    DOI: 10.1016/j.ecolmodel.2013.07.017
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    References listed on IDEAS

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    1. Vezjak, M. & Savsek, T. & Stuhler, E. A., 1998. "System dynamics of euthrophication processes in lakes," European Journal of Operational Research, Elsevier, vol. 109(2), pages 442-451, September.
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    Cited by:

    1. Yan Wang & Xueping Gao & Bowen Sun & Yuan Liu, 2022. "Developing a 3D Hydrodynamic and Water Quality Model for Floating Treatment Wetlands to Study the Flow Structure and Nutrient Removal Performance of Different Configurations," Sustainability, MDPI, vol. 14(12), pages 1-12, June.
    2. Brendan McAndrew & Changwoo Ahn & Joanna Spooner, 2016. "Nitrogen and Sediment Capture of a Floating Treatment Wetland on an Urban Stormwater Retention Pond—The Case of the Rain Project," Sustainability, MDPI, vol. 8(10), pages 1-14, September.
    3. Akopov, Andranik S. & Beklaryan, Levon A. & Saghatelyan, Armen K., 2017. "Agent-based modelling for ecological economics: A case study of the Republic of Armenia," Ecological Modelling, Elsevier, vol. 346(C), pages 99-118.
    4. Chang, Ni-Bin & Lu, Jia-Wei & Chui, Ting Fong May & Hartshorn, Nicholas, 2018. "Global policy analysis of low impact development for stormwater management in urban regions," Land Use Policy, Elsevier, vol. 70(C), pages 368-383.

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