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The Study on Flood Wave Propagation Using Various Routing Method on Branches Reservoir Surface

  • W. H. AzadEmail author
  • A. J. Hassan
  • S. A. Mulok
  • A. M. Ali
  • Lariyah Mohd Sidek
  • H. Basri
Conference paper
Part of the Water Resources Development and Management book series (WRDM)

Abstract

Flood forecasting based on the distributed model is becoming popular in Malaysia. It is one of the methods to reduce flood risk when a structural measure is very expensive to implement. Two main outputs from the forecasting model are the timing of the flood wave to arrive in the area of interest and the magnitude of the flood. However, another factor, which needs to be given attention, is the simulation computational time. Flood forecasting model demands a fast and accurate computation. The river channel is normally represented by river cross-section that deployed the full hydrodynamic equation. But when come to modeling a reservoir, three common methods can be applied which are lumped flow routing using pool routing method, 1-Dimensional and 2-Dimensional dynamic wave routing. This paper discusses the significance of the different methods applied to represent the flood wave propagation in branching and nearly full reservoir. Beris Dam reservoir was selected for the analysis. Since no data available for calibration, the assessment is purely analytical. The results show that there are differences of time and magnitude for floodwater to start spilling from the spillway. The simulation time for the pool routing is very short as compared to 1D and 2D. Where this is making attractive for flood forecasting but there is a need in the future to apply the 2D method for a large reservoir.

Keywords

Pool routing 1-Dimensional 2-Dimensional 

Notes

Acknowledgments

The author acknowledges the Department of Irrigation and Drainage, Malaysia (DID) for providing data used for this study. Special thanks to Mrs. Zakiyyah binti Muhammad, Mr. Mohamad Ayub bin Ishak from DID Malaysia and Mrs. Haizum binti Zulkarnain from River Net Consulting Sdn. Bhd. Special thanks also to those who contributed to this project directly or indirectly.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • W. H. Azad
    • 1
    • 2
    Email author
  • A. J. Hassan
    • 3
  • S. A. Mulok
    • 1
  • A. M. Ali
    • 1
  • Lariyah Mohd Sidek
    • 2
  • H. Basri
    • 2
  1. 1.Department of Irrigation and DrainageJalan Sultan SalahuddinKuala LumpurMalaysia
  2. 2.Sustainable Technology and Environment Group, Institute of Energy InfrastructureUniversiti Tenaga NasionalKajangMalaysia
  3. 3.River Net Consulting Sdn. Bhd.Shah AlamMalaysia

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