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农业水保措施的配置要考虑其生态效益和经济效益.不同水保措施组合方案有其相应的生态和经济效益,如何配置使综合效益最佳是一个最优化问题.分析了农业水保措施配置最优化需要考虑的两个目标,并将其公式化,建立了水保措施配置优化模型,并应用NSGA-II多目标遗传算法求解该模型.最后,以甘肃天水市罗玉沟流域的水保措施配置为例,进行了初步应用.结果表明,采用NSGA-II算法在水保措施配置优化模型求解时,计算效率较高,优化结果稳定,具有一定的应用价值.
The allocation of agricultural soil and water conservation measures should take into account its ecological and economic benefits.All combinations of different soil and water conservation measures have their corresponding ecological and economic benefits.How to optimize the overall benefits is an optimization problem.Analysis of the distribution of agricultural and soil conservation measures Optimization and optimization of the two objectives to be considered, formulated the optimization model of the allocation of soil and water conservation measures, and applied NSGA-II multi-objective genetic algorithm to solve the model.Finally, taking the water conservation measures in Luoyugou watershed of Tianshui City, Gansu Province, The results show that the NSGA-II algorithm has high computational efficiency and stable optimization results, and has a certain application value when it is used to solve the optimization model of water conservation measures.