Mike flood application for forecasting inundation issues: case of duc my bridge area
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Keywords:
Duc My bridge, Ea Krong Rou reservoir, MIKE 11, MIKE FLOOD, MIKE-21
Abstract
The Duc My Bridge is situated approximately 8 km downstream from the Ea Krong Rou reservoir, within the Dinh River system in Khanh Hoa province. Over the years, the region has been experienced heavy rainfall and flooding, leading to elevated flood levels and alterations in the hydraulic regime downstream of the reservoir. These changes are particularly exacerbated by the impacts of climate change. The Ea Krong Rou reservoir belongs to the group of small reservoirs. This is also the type with the highest rate in Vietnam and is more prone to accidents in the rainy season than other types, so the downstream areas are also greatly affected. The article sets up the input parameters for the Dinh River flood plain using the modelling tool MIKE-FLOOD, which integrates the 1-D MIKE-11 model with the 2-D MIKE-21 model. The results show six scenarios (SC1; SC 1C, SC 2, SC 2C, SC3, SC 3C) with very different flood inundation mapping in Duc My Bridge area and other locations. In addition, the paper also determines the degree of concordance between calculated and observed data. Notably, the roughness coefficient is adjusted in the study area to ensure reasonable resultsReferences
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[2]. DHI, MIKE-21, User guide, Danish Hydraulic Institute, 2000.
[3]. DHI, MIKE 11, Water & Environment, Reference Manual, 2003.
[4]. DHI, MIKE 11, Water & Environment, MIKE 11, Users Guide, 2003.
[5]. M.H . Chaudhry, Open-channel flow, 2nd ed., Springer, New York., 2000.
[6]. J.A. Cunge, F.M. Holly, A. Verwy, Practical aspects of computational river hydraulics, Pitman, London, 1980.
[7]. D.J. Sen, N.K. Garg, Efficient solution technique for dendritic channel networks, J. Hydraul. Eng., ASCE, 124 (1998) 831–839. https://doi.org/10.1061/(ASCE)0733-9437(2002)128:6(351).
[8]. R. Szymkiewicz, Finite element methods for the St. Venant equations in an open channel network, J. Hydrol., 122 (1991) 275–287. https://doi.org/10.1016/0022-1694(91)90182-H
[9]. R.A. Laura, J.D. Wang, Two-dimensional flood routing on steep slopes, J. Hydraul. Eng., 110 (1984) 1121–1135. https://doi.org/10.1061/(ASCE)0733-9496(2002)128:3(168)
[10]. P.D. Bates, A.P.J. De Roo, A simple raster-based model for flood inundation simulation, J. Hydrol., 236 (2000) 54–77. https://doi.org/10.1016/S0022-1694(00)00278-X
[11]. P.D. Bates, M.S. Horrit, C.N. Smith, D. Dason, Integrating remote sensing observations of flood hydrology and hydraulic modeling, Hydrol. Proc., 11 (1997) l777–1795. https://doi.org/10.1002/(SICI)1099-1085(199711)11:14<1777::AID-HYP543>3.0.CO;2-E
[12]. J. Kjelds, M. Rungo, Dam breach modeling and inundation mapping, Danish Hydraulic Institute, Denmark, 2002. https://doi.org/10.1007/s12524-009-0002-1
[13]. SRTM, http://srtm.usgs.gov/index.php and http://srtm.csi.cgiar.org/SELECTION/listImages.asp
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Received
14/07/2023
Revised
20/08/2023
Accepted
12/09/2023
Published
15/09/2023
Type
Research Article
How to Cite
Doan Thi, N. (1694710800). Mike flood application for forecasting inundation issues: case of duc my bridge area. Transport and Communications Science Journal, 74(7), 833-849. https://doi.org/10.47869/tcsj.74.7.6
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