汉江石泉水库流域水文模型参数率定方法研究  

Study on Application of Optimization Algorithms in Watershed Hydrological Model in Shiquan Reservoir of Hanjiang River

作　　者：申吴刚 罗东 潘大文 周争昌 洪华 巩祥照 陈倩 瞿思敏[2] 王健 石朋[2] 陆威村 杨雨蒙 SHEN Wu-gang;LUO Dong;PAN Da-wen;ZHOU Zheng-chang;HONG Hua;GONG Xiang-zhao;CHEN Qian;QU Si-min;WANG Jian;SHI Peng;LU Wei-cun;YANG Yu-meng(Datang Shiquan Hydro-Electric Power Plant,Shiquan 725200,China;College of Hydrology and Water Resources,Hohai University,Nanjing 210098,China)

机构地区：[1]大唐石泉水力发电厂,陕西石泉725200 [2]河海大学水文水资源学院,江苏南京210098

出　　处：《水电能源科学》2024年第11期32-35,共4页Water Resources and Power

基　　金：国家重点研发计划(2023YFC3206805);国家自然科学基金项目(52179011)。

摘　　要：流域水文模型是实时洪水预报的重要工具,参数优化是流域水文模型的重要研究内容。简单高效的参数优化算法能提高模型应用效率,促进模型的推广使用。人机交互参数率定费事费力,主观性强。自动参数率定以优化算法为基础,在以误差平方和为目标函数的曲面上寻优,更客观,但也存在一些问题。以石泉水库流域为研究区域,构建新安江模型,基于参数敏感性分析结果,分别采用系统微分响应、人机交互和SCE-UA参数率定方法对新安江模型敏感参数进行优选,从迭代次数和平均确定性系数方面对参数优选结果进行比较,并对比不同参数模拟结果的径流深误差、洪峰误差和确定性系数,探讨不同参数率定方法在石泉水库流域水文模拟中的适用性和效率。结果表明,系统微分响应参数率定方法应用效果较好,效率与精度均优于人机交互和SCE-UA。率定的参数在石泉水库洪水模拟中结果较好。平均确定性系数达到0.937,可进一步拓展该方法在其他流域和其他模型的洪水模拟中使用。Watershed hydrological model is an important tool for real-time flood forecasting.Parameter optimization is an important study content of hydrological model.The application of simple and efficient parameter optimization meth-od can improve the efficiency and promote the use of the model.Human-computer interaction parameter calibration meth-od is time-consuming and laborious,and can be highly subjective.Automatic calibration methods based on optimization algorithms are used to find the optimal value on the surface with the sum of error squares as the objective function and it is more objective,but there are still some problems.This paper takes the Shiquan Reservoir Watershed as the study area to construct Xin'anjiang model.The sensitive parameters of Xin'anjiang model are optimized by means of system differen-tial response,human-computer interaction and SSE-UA parameter calibration.The optimization results of parameters are compared in terms of the number of iterations and the average certainty coefficient.The runoff depth error,flood peak er-ror and deterministic coefficient of the simulation results with different parameters are compared.The applicability and efficiency of different parameter calibration methods in hydrologic simulation of Shiquan Reservoir basin are discussed.The results show that the system differential response parameter calibration method has better performance on efficiency and accuracy than human-computer interaction and SCE-UA methods.The calibrated parameters have shown good flood simulations results in Shiquan Reservoir.The averaged deterministic coefficient reached 0.937,which can be further ex-panded to be used in flood simulation of other watersheds and other models.

关 键 词：优化算法 石泉水库 洪水模拟 系统微分响应参数率定 SCE-UA 

分 类 号：TV124[水利工程—水文学及水资源] P349[天文地球—水文科学]