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has been cited by the following article:

• TITLE: Multi-Objective Optimization of Low Impact Development Designs in an Urbanizing Watershed

  AUTHORS: Guoshun Zhang, James M. Hamlett, Patrick Reed, Yong Tang

  KEYWORDS: Multi-Objective Optimization; ε-NSGAII; Low Impact Development; SWMM; Stormwater

  JOURNAL NAME: Open Journal of Optimization, Vol.2 No.4, December 3, 2013

  ABSTRACT: Multi-objective optimization linked with an urban stormwater model is used in this study to identify cost-effective low impact development (LID) implementation designs for small urbanizing watersheds. The epsilon-Non-Dominated Sorting Genetic Algorithm II (ε-NSGAII) has been coupled with the US Environmental Protection Agency’s Stormwater Management Model (SWMM) to balance the costs and the hydrologic benefits of candidate LID solutions. Our objective in this study is to identify the near-optimal tradeoff between the total LID costs and the total watershed runoff volume constrained by pre-development peak flow rates. This study contributes a detailed analysis of the costs and benefits associated with the use of green roofs, porous pavement, and bioretention basins within a small urbanizing watershed inState College,Pennsylvania. Beyond multi-objective analysis, this paper also contributes improved SWMM representations of LID alternatives and demonstrates their usefulness for screening alternative site layouts for LID technologies.