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首页> 美国政府科技报告 >Mixed Integer Programming Models for Water Resources Management.
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Mixed Integer Programming Models for Water Resources Management.

机译：水资源管理的混合整数规划模型。

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A regional water quality control model is developed by linking a steady-state water quality simulation model with an optimization model. The water quality simulation model can be applied to complex river systems with both point and nonpoint loads using multiple interdependent pollution parameters described by either linear or nonlinear equations. Twelve water quality parameters can be modeled simultaneously:Four nonconservative constituents (or conservative constituents if the decay rate is set equal to zero);coliform bacteria (MPN);phosphorus;biochemical oxygen demand (BOD);ammonia (NH3);nitrate (NO3);dissolved oxygen (DO);temperature (C);and algae. The water quality model is used to generate constraint equations for the optimization model. The optimization model is formulated as an integer programming problem in which the integer decision variables are wastewater treatment levels or diffuse source management practices to be determined for each load. The model considers the addition or upgrading of wastewater treatment with structural and nonstructural schemes for both point and diffuse pollution sources. A least cost solution is found subject to water quality standards at surveillance points.

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