Analisa Faktor Penyebab Terjadinya Limpasan Air Pada Saluran Drainase Di Desa Leksula, Kabupaten Buru Selatan, Menggunakan Program EPA SWMM

Authors

  • Charles Johandersson Tiwery Universitas Kristen Indonesia Maluku, Indonesia
  • Yesika Amelia Tani Universitas Kristen Indonesia Maluku, Indonesia

DOI:

https://doi.org/10.51135/manumatav8i2p106-114

Keywords:

Rain, Discharge, Drainage, Runoff, SWMM

Abstract

Water runoff that causes inundation or flooding is one of the problems that routinely occurs in Leksula Village when the rainy season comes. The purpose of this study is to analyze the amount of discharge produced by rain as a burden on drainage, analyze the capacity of existing channels in Leksula village and analyze the factors that affect water runoff in drainage channels. In this study, a review was first carried out at the location of the research area and then collected data related to hydrology and hydraulics. Furthermore, after obtaining the data, it is necessary to analyze using quantitative methods where the analysis is carried out with a mathematical formula model, including: conducting a hydrological analysis to obtain a design discharge, hydraulics analysis to determine the capacity of the drainage, and conducting modeling by utilizing the SWMM 5.1 program. The results showed that there are five channels whose capacity is less than the plan discharge that will enter the channel, namely the C5 channel, where the capacity on the C5 can only accommodate a flow discharge of 0.030 m3/s while the flow plan discharge is 0.337 m3/s on the C8 channel with a capacity of 0.098 m3/s while the plan discharge is 0.340 m3/s on the C9 channel with a capacity of 0.053 m3/s while the plan discharge is 0.414 m3/s and on the C10 channel with a capacity of 0.340 m3/s on the C9 channel with a capacity of 0.053 m3/s while the plan discharge is 0.414 m3/s and on the C10 channel with a capacity of 0.340 m3/s on the C9 channel with a capacity of 0.053 m3/s while the plan discharge is 0.414 m3/s and on the C10 channel with a capacity of 0.340 m3/s on the C9 channel with a capacity of 0.053 m3/s while the plan discharge is 0.414 m3/s and the C10 channel with a capacity of 0.340 m3/s on the C9 channel with a capacity of 0.053 m3/s while the plan discharge is 0.414 m3/s and the C10 channel with a capacity of 0.340 m3/s on the C9 0.094 m3/s while the plan discharge is 0.647 m3/s and on the C17 channel with a capacity of 0.100 m3/s while the plan discharge is 0.142 m3/s. So that it can be known the factors that cause water runoff in the drainage channel in Leksula village are water runoff in the drainage channel in Leksula village, namely high rain intensity, topographical conditions at the location where The steeper the slope of the land, the faster the speed of water flow will also be faster so that there is a release of soil particles on the surface of the soil along with the spleen

References

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Published

2022-12-21

Issue

Vol. 8 No. 2 (2022)

Section

Articles

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