Model Conceptualization Procedure for River (Flood) Hydraulic Computations: Case Study of the Demer River, Belgium

Po-Kuan Chiang () and Patrick Willems

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2013, vol. 27, issue 12, 4277-4289

Abstract: Model-supported real-time flood control requires the development of effective and efficient hydraulic models. As large numbers of iterations are to be executed in optimization procedures, the hydraulic model needs to be computationally efficient. At the same time, it is also required to generate high-accuracy results. Therefore, an identification and calibration procedure was developed for the purpose of having this conceptual model built up and calibrated based on a limited number of simulations with a more detailed full hydrodynamic model. The performance of the conceptual model was evaluated for historical events under different regulation conditions. Robustness test results show close agreement, with Nash-Sutcliffe Efficiency values higher than 0.90. In addition, it is found that the conceptual model is capable of accomplishing simulation of historical flood events within few seconds. That is much faster than the detailed full hydrodynamic model, which enables the conceptual model to be applied for real-time flood control. Copyright Springer Science+Business Media Dordrecht 2013

Keywords: Conceptual model; Hydrodynamic model; Real-time flood control; Optimization (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1007/s11269-013-0407-z

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