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A linked simulation-optimization model for solving the unknown groundwater pollution source identification problems
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DOI：10.1016/j.jconhyd.2010.06.004.png)
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This study proposes a linked simulation-optimization model for solving the unknown groundwater pollution source identification problems. In the proposed model, MODFLOW and MT3DMS packages are used to simulate the flow and transport processes in the groundwater system. These models are then integrated with an optimization model which is based on the heuristic harmony search (HS) algorithm. In the proposed simulation-optimization model, the locations and release histories of the pollution sources are treated as the explicit decision variables and determined through the optimization model. Also, an implicit solution procedure is proposed to determine the optimum number of pollution sources which is an advantage of this model. The performance of the proposed model is evaluated on two hypothetical examples for simple and complex aquifer geometries, measurement error conditions, and different HS solution parameter sets. Identified results indicated that the proposed simulation-optimization model is an effective way and may be used to solve the inverse pollution source identification problems. (c) 2010 Elsevier B.V. All rights reserved.
Keyword:
Groundwater
Pollution source identification
Harmony search algorithm
Simulation-optimization
期刊
IF:
4.4
论文数:
3.5K
被引数:
6.5K
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