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Devising Groundwater Mitigation Strategies for Different Objectives Using Ecp Optimization

Author(s): Mengchun Yu; Donna M. Rizzo; David E. Dougherty

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Keywords: Cutting plane method; Optimization; Groundwater remediation; Pump and treat

Abstract: For groundwater remediation design problems, computational optimization techniques are being used to provide more flexible and efficient cleanup strategies. Traditionally, optimization problems are formulated to minimize accumulated costs over the lifetime of the remediation design while determining well locations and pumping rates that provide hydraulic control for concentration containment. When concentration appears in the objective or constraint functions, it is considered only at the end of the management period. We present an application of the extended cutting plane (ECP) optimization techniques to a Superfund site with a complex flow and transport scenario located in Massachusetts, U. S. In addition to capabilities provided by traditional optimization codes, ECP offers more useful functionality that can provide the stakeholder and/or decision-makers with a variety of optimal strategies from which to choose. In spatial dimensions, stakeholders may want to protect Points-Of-Compliance (POCs) or Regions-Of-Interest (ROIs). Optimal strategies have been developed in this paper to accommodate different practical groundwater remediation objectives.


Year: 2001

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