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Non-Uniform Flow Effect on Optimal Waste Load Allocation in Rivers

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  • Y. Murty
  • S. Bhallamudi
  • K. Srinivasan

Abstract

In this study, the effects of non-uniform flow due to: (i) inflow from tributaries and (ii) the presence of a downstream control structure (such as a weir or a barrage), on the optimal waste load allocation decision and the resulting cost-equity trade-off relationships, have been investigated. These effects are illustrated with in the framework of a typical cost-equity multi-objective optimization model for optimal waste load allocation in rivers. This framework consists of an embedded river water quality simulator with gradually varied flow and transport (BOD-DO) modules and a cost-equity multi-objective optimization model. A multi-objective evolutionary algorithm known as Non-dominated Sorting Genetic Algorithm-II is used for solving the optimization problem. The optimal fraction removal levels, the treatment cost and the system inequity measure are under predicted in certain reaches of the river, if the uniform flow assumption is made, while actually non-uniform flow conditions exist. This effect is quite pronounced when the flow non-uniformity results from a downstream control structure such as a weir. Copyright Springer Science + Business Media, Inc. 2006

Suggested Citation

  • Y. Murty & S. Bhallamudi & K. Srinivasan, 2006. "Non-Uniform Flow Effect on Optimal Waste Load Allocation in Rivers," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 20(4), pages 509-530, August.
    • Handle: RePEc:spr:waterr:v:20:y:2006:i:4:p:509-530
    DOI: 10.1007/s11269-006-3084-3
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    Citations

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    Cited by:

    1. X. Qin & G. Huang, 2009. "An Inexact Chance-constrained Quadratic Programming Model for Stream Water Quality Management," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 23(4), pages 661-695, March.
    2. Yuan, Qiang & McIntyre, Neil & Wu, Yipeng & Liu, Yichao & Liu, Yi, 2017. "Towards greater socio-economic equality in allocation of wastewater discharge permits in China based on the weighted Gini coefficient," Resources, Conservation & Recycling, Elsevier, vol. 127(C), pages 196-205.
    3. E. Hernandez & Venkatesh Uddameri, 2010. "Selecting Agricultural Best Management Practices for Water Conservation and Quality Improvements Using Atanassov’s Intuitionistic Fuzzy Sets," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(15), pages 4589-4612, December.
    4. J. Yazdi & S. Salehi Neyshabouri, 2012. "Optimal design of flood-control multi-reservoir system on a watershed scale," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 63(2), pages 629-646, September.
    5. J. Yazdi & S. Salehi Neyshabouri, 2012. "A Simulation-Based Optimization Model for Flood Management on a Watershed Scale," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(15), pages 4569-4586, December.
    6. Amin Rasekh & Abbas Afshar & Mohammad Afshar, 2010. "Risk-Cost Optimization of Hydraulic Structures: Methodology and Case Study," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(11), pages 2833-2851, September.
    7. V. Alarcon & D. Johnson & W. McAnally & J. Zwaag & D. Irby & J. Cartwright, 2014. "Nested Hydrodynamic Modeling of a Coastal River Applying Dynamic-Coupling," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(10), pages 3227-3240, August.

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