Stage discharge prediction in heterogeneous compound open channel roughness
作者： Abbas Parsaie , Shadi Najafian , Mohammad Hosein Omid , Hojjatallah Yonesi
DOI: 10.1080/09715010.2016.1235471
关键词: Coherence (signal processing) 、 STREAMS 、 Stage (hydrology) 、 Surface finish 、 Discharge 、 Flow (psychology) 、 Open-channel flow 、 Communication channel 、 Biological system 、 Hydrology 、 Engineering
摘要: AbstractPrediction of flow discharge in the rivers performs important role flood management. Using compound open channel concept, real condition natural streams can be accurately estimated. A includes a main and floodplains that usually are rougher than channel. Several empirical approaches have been proposed for estimating channels. In this study, accuracy including Single Channel Method, Divided Method (DCM), Coherence were assessed to estimate heterogeneous roughness. To purpose series experiments programmed performed at hydraulic laboratory Tehran University. compare obtained results with previous studies, 396 data related discharges collected used evaluating performance applied methods. Results showed DCM wit...
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