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A non-linear perturbation model considering catchment wetness and its application in river flow forecasting
J. Xia; K.M. O'Connor; R.K. Kachroo; G.C. Liang; Xia, J, Wuhan Univ Hydraul & Elect Engn, Inst Hydrol & Water Environm Sci, Wuhan, Peoples R China
1997
Source PublicationJOURNAL OF HYDROLOGY
Volume200Issue:1-4Pages:164-178
AbstractA non-linear perturbation model for river flow forecasting is developed, based on consideration of catchment wetness using an antecedent precipitation index (API). Catchment seasonality, of the form accounted for in the linear perturbation model (the LPM), and non-linear behaviour both in the runoff generation mechanism and in the flow routing processes are represented by a constrained nan-linear model, the NLPM-API. A total of ten catchments, across a range of climatic conditions and catchment area magnitudes, located in China and in other countries, were selected for testing daily rainfall-runoff forecasting with this model. It was found that the NLPM-API model was significantly more efficient than the original linear perturbation model (the LPM). However, restric tion of explicit nan-linearity to the runoff generation process, in the simpler LPM-API form of the model, did not produce a significantly lower value of the efficiency in flood forecasting, in terms of the model efficiency index R-2. (C) 1997 Elsevier Science B.V.
KeywordNon-linear Perturbation Model Catchment Wetness Antecedent Precipitation Index (Api) River Flow Forecasting
DepartmentWuhan Univ Hydraul & Elect Engn, Inst Hydrol & Water Environm Sci, Wuhan, Peoples R China; Univ Coll Galway, Dept Engn Hydrol, Galway, Ireland
Subject AreaEngineering ; Civil ; Multidisciplinary ; Geosciences ; Water Resources
Indexed BySCI
Language英语 ; 英语
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/10242
Collection期刊论文
Corresponding AuthorXia, J, Wuhan Univ Hydraul & Elect Engn, Inst Hydrol & Water Environm Sci, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
J. Xia,K.M. O'Connor,R.K. Kachroo,et al. A non-linear perturbation model considering catchment wetness and its application in river flow forecasting[J]. JOURNAL OF HYDROLOGY,1997,200(1-4):164-178.
APA J. Xia,K.M. O'Connor,R.K. Kachroo,G.C. Liang,&Xia, J, Wuhan Univ Hydraul & Elect Engn, Inst Hydrol & Water Environm Sci, Wuhan, Peoples R China.(1997).A non-linear perturbation model considering catchment wetness and its application in river flow forecasting.JOURNAL OF HYDROLOGY,200(1-4),164-178.
MLA J. Xia,et al."A non-linear perturbation model considering catchment wetness and its application in river flow forecasting".JOURNAL OF HYDROLOGY 200.1-4(1997):164-178.
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