Floodplain Simulation for Musi River Using Integrated 1D/2D Hydrodynamic Model

Amin, M. Baitullah Al and Sarino, Sarino and Haki, Helmi (2017) Floodplain Simulation for Musi River Using Integrated 1D/2D Hydrodynamic Model. SICEST 2016, 101 (05023). pp. 1-6.

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This paper presents the simulation of floodplain at Musi River using integrated 1D and 2D hydrodynamic model. The 1D flow simulation was applied for the river channel with flow hydrograph as upstream boundary condition. The result of 1D flow simulation was integrated into 2D flow simulation in order to know the area and characteristics of flood inundation. The input data of digital terrain model which was used in this research had grid resolution of 10mx10m, but for 2D simulation the resolution was with grid resolution 50 m x 50 m so as to limit simulation time since the model size was big enough. The result of the simulation showed that the inundated area surrounding Musi River is about 107.44 km2 with maximum flood depth is 3.24 m, water surface velocity ranges from 0.00 to 0.83 m/s. Most of floodplain areas varied from middle to high flood hazard level, and only few areas had very high level of flood hazard especially on river side. The structural flood control measurement to be recommended to Palembang is to construct flood dike and flood gate. The non structural measurement one is to improve watershed management and socialization of flood awareness.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General)
Divisions: 03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User: M. Baitullah Al Amin
Date Deposited: 27 Sep 2019 11:55
Last Modified: 27 Sep 2019 11:55
URI: http://repository.unsri.ac.id/id/eprint/8483

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