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无资料地区水文预报(PUB)不确定性研究
引用本文:杨邦,任立良,陈福容,史俊超.无资料地区水文预报(PUB)不确定性研究[J].水电能源科学,2009,27(4).
作者姓名:杨邦  任立良  陈福容  史俊超
作者单位:河海大学,水资源高效利用与工程安全国家工程研究中心,江苏,南京,210098
基金项目:国家863计划基金资助项目,水利公益性行业科研专项基金资助项目 
摘    要:针对无资料地区的水文过程模拟采用流量历时曲线率定法实现水文模型参数区域化,避开建立模型参数与流域特征值之间的相关关系,以流量历时曲线作为水文模型的拟合目标率定无资料地区参数.通过基于GLUE法的不确定性分析发现,相对于参数相关法,流量历时曲线率定法预报的不确定性对似然临界值取值更敏感,在高似然区不确定性更小,在低似然区则相反;优化调参通常更关注高似然区,因而应用流量历时曲线率定法推求无资料地区参数效果更好.

关 键 词:无资料地区  水文模型  水文预报  不确定性  参数区域化

Uncertainty Research of Hydrological Prediction in Ungauged Basis
YANG Bang REN Liliang CHEN Furong SHI Junchao.Uncertainty Research of Hydrological Prediction in Ungauged Basis[J].International Journal Hydroelectric Energy,2009,27(4).
Authors:YANG Bang REN Liliang CHEN Furong SHI Junchao
Affiliation:Nation Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety;Hohai University;Nanjing 210098;China
Abstract:The FDC calibration method for regionalization of hydrological models in ungauged basins adopting regional flow duration curve as calibration objective,serves as a new approach rather than the parameters' correlation method with the focus on trying to search relationships between the parameters of such models and catchment attributes.The result of GLUE(Generalized Likelihood Uncertainty Estimation) analysis confirms that the prediction of the parameters' correlation method with large likelihood values is mo...
Keywords:GLUE
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