River flood routing by nonlinear muskingum method

Yeou-Koung Tung*

*Corresponding author for this work

Research output: Contribution to journalArticle

122 Scopus citations

Abstract

The linear form of the Muskingum model has been widely applied to river flood routing. However, a nonlinear relationship between storage and discharge exists in most actual river systems, making the use of the linear model inappropriate. In this paper, a nonlinear Muskingum model is solved using the state variable modeling technique. Various curve fitting techniques are employed for the calibration of model parameters, and their performances within the model are compared. Both linear and nonlinear models are applied to an example with pronounced nonlinearity between storage and discharge. The results show that the nonlinear Muskingum model is superior to the linear one.

Original languageEnglish
Pages (from-to)1447-1460
Number of pages14
JournalJournal of Hydraulic Engineering
Volume111
Issue number12
DOIs
StatePublished - 1 Jan 1985

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