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Water 2017, 9(11), 849; https://doi.org/10.3390/w9110849

“In-Process Type” Dynamic Muskingum Model Parameter Estimation Method

1
Institute of Water Resources and Hydro-Electric Engineering, Xi’an University of Technology, Xi’an 710048, China
2
State Grid Gansu Electric Power Company, Gansu Electric Power Research Institute, Lanzhou 730050, China
*
Author to whom correspondence should be addressed.
Received: 29 August 2017 / Revised: 30 October 2017 / Accepted: 31 October 2017 / Published: 2 November 2017
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Abstract

This paper discusses the Muskingum model as a novel parameter estimation method. Sixty representative floods over the past four decades serve as research objects; a linear Muskingum model and Pigeon-inspired optimization (PIO) algorithm are used to obtain the parameters of each flood. The proposed “in-process type” dynamic parameter estimation (IP-DPE) method is used to establish the characteristic attributes set of 50 floods. The characteristic attributes set refers to a set of parameters that could describe the shape, magnitude, and duration of the flood before flood peak; they are the input, whereas parameters K and x of each flood are the output to establish a Neural Network model. Then we input flood characteristic attributes to obtain flood parameters when estimating flood parameters practically. Ten floods were used to test the parameter estimation and flood routing efficacy. The results show that the IP-DPE method can quickly identify parameters and facilitate accurate river flood forecasting. View Full-Text
Keywords: Muskingum model; river flood routing; in-process type; dynamic parameter estimation; BP-Neural Network Muskingum model; river flood routing; in-process type; dynamic parameter estimation; BP-Neural Network
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Zhang, G.; Xie, T.; Zhang, L.; Hua, X.; Wu, C.; Chen, X.; Li, F.; Zhao, B. “In-Process Type” Dynamic Muskingum Model Parameter Estimation Method. Water 2017, 9, 849.

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