摘要
以三水源新安江模型为例,研究探讨了概念性水文模型多目标参数自动优选方法。目标函数综合考虑了水量平衡、确定性系数、洪峰和枯水流量过程。通过对目标函数的不同组合方式,分别率定模型参数和分析比较结果。研究表明,多目标参数自动优选方法综合考虑了水文过程的各种要素,优于传统的单目标优选结果,具有较高的模拟预报精度。
Formulation of an automatic calibration using multiple objectives strategy for the Xinanjiang rainfall-runoff model was outlined.The objectives include,overall water balance,overall shape of the hydrograph,peak flow,and low flow.Automatic calibration methods based on the different composition of the four objectives were studied and compared.It was found that automatic calibration using multiple objectives can consider of different aspects of the hydrograph and have a better goodness -of -fit than the traditional hydrological model calibration using single objective.
出处
《水文》
CSCD
北大核心
2002年第1期12-16,共5页
Journal of China Hydrology
基金
国家重点基础研究发展规划"973"项目(G19990436)
教育部1999年跨世纪人才基金资助项目
