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Environmental Resources Research، جلد ۱، شماره ۱، صفحات ۳۹-۵۰
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عنوان انگلیسی Optimization of Agricultural BMPs Using a Parallel Computing Based Multi-Objective Optimization Algorithm
چکیده انگلیسی مقاله Beneficial Management Practices (BMPs) are important measures for reducing agricultural non-point source (NPS) pollution. However, selection of BMPs for placement in a watershed requires optimizing available resources to maximize possible water quality benefits. Due to its iterative nature, the optimization typically takes a long time to achieve the BMP trade-off results which is not desirable in practice. In this study, an optimization model, consisting of a multi-objective genetic algorithm, ε-NSGA-II, in combination with the Soil Water and Assessment Tool (SWAT) and the parallel computation technique, is developed and tested in the Fairchild Creek watershed in southern Ontario of Canada. The two objectives are to minimize BMPs costs and maximize total phosphorous load reduction. The parallel computation allows the run of multiple SWAT models simultaneously and can reduce the ε-NSGA-II optimization time significantly to achieve the objective. The Pareto-optimal fronts generated between the two objective functions can be used to achieve desired water quality goals with minimum BMP implementation cost to support spatial watershed management and policy making.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله yongbo liu |
university of louvain

hailiang shen |
department of geography, university of guelph

wanhong یانگ |
university of guelph

جینگ یانگ |
singapore-mit

نشانی اینترنتی http://ijerr.gau.ac.ir/article_1685_39813f733a9c2294c368db43af2f0c69.pdf
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