Applying Particle Swarm Optimization to Parameter Estimation of the Nonlinear Muskingum Model
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VIEW THE REPLYPublication: Journal of Hydrologic Engineering
Volume 14, Issue 9
Abstract
The Muskingum model is the most widely used method for flood routing in hydrologic engineering. However, the application of the model still suffers from a lack of an efficient method for parameter estimation. Particle swarm optimization (PSO) is applied to the parameter estimation for the nonlinear Muskingum model. PSO does not need any initial guess of each parameter and thus avoids the subjective estimation usually found in traditional estimation methods and reduces the likelihood of finding a local optimum of the parameter values. Simulation results indicate that the proposed scheme can improve the accuracy of the Muskingum model for flood routing. A case study is presented to demonstrate that the proposed scheme is an alternative way to estimate the parameters of the Muskingum model.
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Acknowledgments
The writers thank the editors, anonymous reviewers, and helpers.
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Published In
Journal of Hydrologic Engineering
Volume 14 • Issue 9 • September 2009
Pages: 1024 - 1027
Copyright
© 2009 ASCE.
History
Received: Mar 13, 2008
Accepted: Jan 13, 2009
Published online: Feb 18, 2009
Published in print: Sep 2009
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