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Nurdiyanto Nurdiyanto
Universitas Swadaya Gunung Jati, Indonesia
Humanities Computer Science & IT Economics, Econometrics & Finance Education Engineering Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences

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Analysis Of The Bangkir Moving Dam As A Flood Control Measure In The Indramayu Regency Area Farrel Arkananta Riyanto; Mashadi Putra; Kahfi Anwar Ghiffary; Nurdiyanto Nurdiyanto
Journal of World Science Vol. 4 No. 10 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i10.1526

Abstract

This study analyzes the capacity of the Bangkir Movable Dam as a strategic solution to control flooding downstream of the Cimanuk River in Indramayu, which often occurs due to river overflow. This quantitative study uses rainfall data over a 10-year period (2015–2024) to calculate the design flood discharge, with the Weduwen method selected as the primary reference due to its most conservative estimates. The analysis results determine the 50-year return period flood discharge (Q50) at 599.58 m³/s. Meanwhile, the total dam capacity, calculated using the Sharp-Crested Weir method, reaches 1,329.68 m³/s. The comparison shows that the existing dam capacity is significantly larger than the planned flood discharge. Thus, the Bangkir Movable Weir is considered effective and capable of controlling floods for a return period of up to 100 years, thereby reducing the risk of flooding in the Indramayu region.
Analysis of a Detention Basin as a Flood Control Measure In Kedawung Village, Tanjung Subdistrict, Brebes Regency Nanda Salsabila; Nurdiyanto Nurdiyanto
Journal of Social Research Vol. 5 No. 7 (2026): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v5i6.3191

Abstract

Flooding is a common problem in local communities due to heavy rainfall and limited drainage capacity. A detention basin is a flood control infrastructure designed to temporarily store surface runoff before releasing it downstream. This study analyzes the performance of a detention basin as a flood control measure using a flood routing approach, with emphasis on sluice gate opening variation and its effect on outflow behavior. The research employs quantitative hydrological and hydraulic analysis under three operational conditions: fully closed, half-open, and fully open sluice gate. Hydrological analysis includes the determination of design rainfall using a selected probability distribution with goodness of fit testing, followed by calculations of time of concentration, rainfall intensity, and design flood discharge. The resulting discharge is used as inflow in the flood routing simulation. Hydraulic analysis covers outflow computation through the sluice gate and evaluation of storage changes and water surface elevation within the basin. The relationship between inflow and outflow is examined to understand system response under different gate openings over time. The results show that for a 25-year return period, the design flood discharge is 4,060 m³/s with a time of concentration of 44.861 minutes. The flood discharge reduction under half-open sluice gate conditions reaches 64.4%, indicating a significant influence of gate operation on outflow regulation. In conclusion, detention basins play an important role in flood control through peak attenuation and flow delay, while sluice gate opening variation strongly affects flood routing performance and outflow characteristics
Co-Authors Farrel Arkananta Riyanto Kahfi Anwar Ghiffary Mashadi Putra Nanda Salsabila