Flood control study using 1D/2D numerical model in Cipabuaran Channel, Sabi River Watershed, Tangerang City

The flood that occurred in Tangerang City still remains an issue that has not been resolved. The flood arose from Bogor through the Cisadane River. Cipabuaran Channel is one of the channels in the Sabi River watershed who often overflows. Sabi River itself is a tributary of the Cisadane River. In th...

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Bibliographic Details
Published inIOP conference series. Materials Science and Engineering Vol. 662; no. 4; pp. 42009 - 42018
Main Authors Pratiwi, V, Yakti, B P, Rizaldi, A, Moe, I R, Koesrindartono, D P
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.11.2019
Subjects
Control simulation
Downstream effects
Flood control
Flooding
Floods
Mathematical models
Normalizing
Numerical models
Ponds
Retention
Retention basins
Simulation
Two dimensional models
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Summary:The flood that occurred in Tangerang City still remains an issue that has not been resolved. The flood arose from Bogor through the Cisadane River. Cipabuaran Channel is one of the channels in the Sabi River watershed who often overflows. Sabi River itself is a tributary of the Cisadane River. In this study, the flood control simulation in Cipabuaran Channel was carried out using a 1D-2D numerical model. Simulation is carried out with 4 scenarios based on the design flow of the 10 year return period. For scenario 1, flood control is carried out using retention pond in the downstream of Cipabuaran Channel, scenario 2 is carried out by using two retention ponds in the upstream and downstream of Cipabuaran Channel, scenario 3 using retention ponds in the downstream of Cipabuaran Channel and bypass channel to Cisadane river, and scenario 4 performed by using retention pond in the downstream of Cipabuaran Channel and normalization on the Channel. Simulation results show the effectiveness of flood reduction for each scenario, in scenario 1 flood can be reduced by 9%, scenario 2 flood can be reduced by 32.52%, scenario 3 flood can be reduced by 77.34% and for scenario 4 flood can be reduced by 95%. From these results, it can be concluded that scenario 4 where flood control is carried out using a retention pond in the downstream of Cipabuaran Channel and normalizing the River can reduce flooding significantly.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/662/4/042009