气候变化领域集成服务门户(CCPortal): Parameter uncertainty analysis for an operational hydrological model using residual-based and limits of acceptability approaches

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DOI	10.5194/he-22-5021-2018
	Parameter uncertainty analysis for an operational hydrological model using residual-based and limits of acceptability approaches
	Teweldebrhan A.T.; Burkhart J.F.; Schuler T.V.
发表日期	2018
ISSN	1027-5606
起始页码	5021
结束页码	5039
卷号	22 期号:9
英文摘要	Parameter uncertainty estimation is one of the major challenges in hydrological modeling. Here we present parameter uncertainty analysis of a recently released distributed conceptual hydrological model applied in the Nea catchment, Norway. Two variants of the generalized likelihood uncertainty estimation (GLUE) methodologies, one based on the residuals and the other on the limits of acceptability, were employed. Streamflow and remote sensing snow cover data were used in conditioning model parameters and in model validation. When using the GLUE limit of acceptability (GLUE LOA) approach, a streamflow observation error of 25 % was aßumed. Neither the original limits nor relaxing the limits up to a physically meaningful value yielded a behavioral model capable of predicting streamflow within the limits in 100 % of the observations. As an alternative to relaxing the limits, the requirement for the percentage of model predictions falling within the original limits was relaxed. An empirical approach was introduced to define the degree of relaxation. The result shows that snow- and water-balance-related parameters induce relatively higher streamflow uncertainty than catchment response parameters. Comparable results were obtained from behavioral models selected using the two GLUE methodologies. © Author(s) 2018.
语种	英语
scopus关键词	Behavioral research; Catchments; Climate models; Glues; Gluing; Remote sensing; Runoff; Snow; Stream flow; Catchment response; Degree of relaxation; Empirical approach; Generalized likelihood uncertainty estimation; Hydrological modeling; Observation errors; Parameter uncertainty; Streamflow uncertainty; Uncertainty analysis
来源期刊	Hydrology and Earth System Sciences
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/159904
作者单位	Teweldebrhan, A.T., Department of Geosciences, University of Oslo, Oslo, Norway; Burkhart, J.F., Department of Geosciences, University of Oslo, Oslo, Norway, Statkraft, Oslo, Norway; Schuler, T.V., Department of Geosciences, University of Oslo, Oslo, Norway
推荐引用方式 GB/T 7714	Teweldebrhan A.T.,Burkhart J.F.,Schuler T.V.. Parameter uncertainty analysis for an operational hydrological model using residual-based and limits of acceptability approaches[J],2018,22(9).
APA	Teweldebrhan A.T.,Burkhart J.F.,&Schuler T.V..(2018).Parameter uncertainty analysis for an operational hydrological model using residual-based and limits of acceptability approaches.Hydrology and Earth System Sciences,22(9).
MLA	Teweldebrhan A.T.,et al."Parameter uncertainty analysis for an operational hydrological model using residual-based and limits of acceptability approaches".Hydrology and Earth System Sciences 22.9(2018).