淡江大學機構典藏:Item 987654321/80627
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    题名: Optimization Model for BMP Placement in a Reservoir Watershed
    作者: Shih-Kai Ciou;Jan-Tai Kuo;Pin-Hui Hsieh;Yu, Gwo-Hsing
    贡献者: 淡江大學水資源及環境工程學系
    关键词: Best management practices (BMPs);Abatement and removal;Optimization model;Non-point-source pollution;Reservoir;Algorithm
    日期: 2012-08
    上传时间: 2013-02-23 10:36:28 (UTC+8)
    出版者: Reston: American Society of Civil Engineers
    摘要: The purpose of this study was to develop an optimization model for the optimal placement of structural best management practices (BMPs) at the watershed scale for a reservoir. In this research, the authors considered three types of structural BMPs (i.e., a wet detention pond, a grass swale, and an infiltration trench). The complete model consists of three interacting submodels: a watershed water quality simulation model [the Hydrologic Simulation Program-FORTRAN (HSPF) model], a reservoir water quality model (the CE-QUAL-W2 model); and an optimization model that uses a well-developed genetic algorithm (GA) software. This research used the Feitsui Reservoir and its watershed in northern Taiwan as the area of application. For the optimization model, the objective function was to minimize the total annual cost of BMPs, within the constraints of achieving minimum water quality standards for the concentrations of phosphorus, ammonium, nitrate-nitrite and for the total suspended solids in the reservoir. The study first simulated the discharge and pollutant loads for the watershed in 2002–2003 by using HSPF. The reservoir model CE-QUAL-W2 was then used to simulate variations in pollutant concentrations in the reservoir on the basis of the input discharge and pollutant loads from HSPF. The optimization model was finally used to search for the near-optimal selection and placement of BMPs in the watershed. The results obtained from the completed model effectively demonstrate its viability in improving water quality in the reservoir by adopting optimal BMPs placement strategies.
    關聯: Journal of Irrigation and Drainage Engineering 138(8), pp.736–747
    DOI: 10.1061/(ASCE)IR.1943-4774.0000458
    显示于类别:[水資源及環境工程學系暨研究所] 期刊論文

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