Development and Application of Advanced Muskingum Flood Routing Model Considering Continuous Flow

Eui Hoon Lee, Ho Min Lee, Joong Hoon Kim

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Abstract: The Muskingum flood routing model is a representative flood routing model. The field applicability of the Muskingum flood routing model is known to be good, and the structure of input data is simple. However, accurate flood routing cannot be conducted using current Muskingum flooding routing models due to the structural limitation of equations. The advanced nonlinear Muskingum flood routing model is suggested for improving accuracy, considering continuous flow using weighted inflow. Continuous flow means the past continuous inflows, including first and secondary inflow over time. Five flood data were selected for a comparison between the results of this study and previous ones. The sum of squares, root mean square errors, and Nash-Sutcliffe efficiency are applied in order to calculate the error values. The vision correction algorithm was used to estimate parameters in the new model. Generally, the new method yields better results than those described in previous studies, though it shows similar results with the most recent methods (NLMM-L) in some flood data. Finally, the new method and NLMM-L are applied for the prediction of Daechung flood data in Korea. The new method is useful in the prediction of outflows, because it shows better results than NLMM-L.

Original languageEnglish
Article number0760
JournalWater (Switzerland)
Volume10
Issue number6
DOIs
Publication statusPublished - 2018 Jun 11

Keywords

  • Advanced nonlinear Muskingum model
  • Continuous flow
  • Flood routing
  • Vision correction algorithm

ASJC Scopus subject areas

  • Biochemistry
  • Geography, Planning and Development
  • Aquatic Science
  • Water Science and Technology

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