WEP模型全局参数敏感性分析及其在汉江上游流域的应用

被引：7

作者：

雷晓辉

田雨

贾仰文

蒋云钟

王浩

刘清娥

机构：

[1] 中国水利水电科学研究院水资源研究所

[2] 天津大学建工学院

[3] 中山大学水资源与环境研究中心

来源：

水文 | 2010年 / 30卷 / 06期

关键词：

分布式水文模型; LH-OAT; WEP; 敏感性分析;

D O I：

暂无

中图分类号：

P334.92 [];

学科分类号：

摘要：

水文模型敏感性分析是用来确定控制模型效率关键参数非常有效的过滤工具之一,并可以帮助理解模型结构,乃至发现模型的结构缺陷,从而有可能改善模型结构。本文通过将全局敏感性分析方法的LH-OAT方法应用到WEP-L模型,并在汉江上游向家坪以上流域进行了成功应用。研究发现,通过LH-OAT方法分析,对于汉江上游向家坪以上流域,河道曼宁糙率和坡面曼宁糙率是影响Nash效率系数最重要的参数。通过对这两个参数的手动调参,模拟的日Nash效率系数从0.35提高到0.75。

引用

页码：14 / 18+41 +41

页数：6

共 32 条

[1] On the parametric and NEXRAD-radar sensitivities of a distributed hydrologic model suitable for operational use[J] . Theresa M Carpenter,Konstantine P Georgakakos,Jason A Sperfslagea. &nbspJournal of Hydrology . 2001 (1)
[2] A physically based variable contributing area model of basin hydrology. Beven KJ, Kirkby MJ. Hydrological Sciences Journal . 1979
[3] Sensitivity analyses of a distributedcatchment model to verify the model structure. Sieber,A,S.Uhlenbrook. Hydrological Sciences Journal . 2005
[4] Changing ideas in hydrology:the case of physically-based models. Beven,K.J. Hydrological Sciences Journal .
[5] Monte Carlo: Concepts, Algorithms, and Applications. Fishman G S. Springer-Verlag . 1996
[6] Eutrophication in Peel Inlet,II,Identification of critical uncertainties via generalized sensitivityanalysis. Spear,R.C,Hornberger,G.M. Water Research . 1980
[7] Key sources of uncertainty in QUAL2E model of Passaic River. Melching,CS,Yoon,CG. Journal of Water Resources Planning and Management . 1996
[8] Small sample sensitivity analysis techniques for computer models.with an application to risk assessment[J] . Ronald L. Iman,W.J. Conover. &nbspCommunications in Statistics - Theory and Methods . 1980 (17)
[9] Sensitivity analysis of model output. Performance of the iterated fractional factorial design method[J] . A. Saltelli,T.H. Andres,T. Homma. &nbspComputational Statistics and Data Analysis . 1995 (4)
[10] Key sources of uncertainty in QUAL2E model of Passaic River
Melching, CS
Yoon, CG
[J]. JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT-ASCE, 1996, 122 (02): : 105 - 113

← 1 2 3 4 →