遗传算法在水土保持综合效益评价中的应用初探

Elementary Application of Genetic Algorithms to the Comprehensive Benefit Evaluation About Soil and Water Conservation

采用遗传算法与欧氏距离判别法相结合的方法,对水土保持综合效益进行评价,并以丹东市为例进行解析。实例中,运用上述方法并得出:大沙河的水土保持综合效益最优,而大洋河与隶属鸭绿江其他支流的水土保持综合效益最差,这与卫星影像解译结果有良好的一致性。这也表明,采用遗传算法与欧氏距离判别法相结合的办法评定水土保持综合效益具有可行性,并较好地克服主观性,使结果更加客观公正。

To explore a suit of proper method of comprehensive benefit evaluation about soil and water conservation, its corresponding method was set up by the combination of Genetic algorithms and Euclidean distance criterlon,and was validated in this city of Dandong city. In the example,conclusion was accepted by using the former method that comprehensive benefit of Dasha river is the best and comprehensive benefit of Dayang River and other rivers belonging to Yalu river are the worst. It had the same coherence with the result by analyzing the satellite pictures. The result indicated that the mathematical method not only was feasible, but also overcame the artificial subjectivity. Therefore the prediction result of the model was more objective and fair.