OPTIMASI HIDROGRAF SATUAN SINTETIS GAMA 1, LIMANTARA, DAN SNYDER TERHADAP HIDROGRAF TERUKUR SUNGAI LAMBIDARO DI KOTA PALEMBANG SUMATERA SELATAN

WARDANI, BAGAS PUTRA and Agus, Lestari Yuono (2025) OPTIMASI HIDROGRAF SATUAN SINTETIS GAMA 1, LIMANTARA, DAN SNYDER TERHADAP HIDROGRAF TERUKUR SUNGAI LAMBIDARO DI KOTA PALEMBANG SUMATERA SELATAN. Undergraduate thesis, Sriwijaya University.

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Abstract

The Lambidaro River extends significantly until it converges with the Gasing Darat River in the expansive swamp area of Gandus, Palembang City, covering a total watershed area of 64.73 km². This river is part of the drainage system comprising nineteen sub-systems within Palembang City. This study focuses on the watershed (DAS) of the Lambidaro River. The Synthetic Unit Hydrograph (SUH) was optimized using the Solver program, with physical parameter analysis of the sub-watershed conducted through ArcGIS. It was assumed that rainfall was uniformly distributed across the Lambidaro watershed. Based on the comparison between the synthetic and observed unit hydrographs, it was concluded that the Gama I SUH model most closely approximates the Measured Unit Hydrograph (MUH) in terms of peak discharge (Qp) and time to peak (Tp). Prior to calibration, Gama I showed an average deviation of 0.68% for Qp and 0.80% for Tp. After calibration using Solver, the calibrated multiplier coefficients for Gama I resulted in a peak time of 1.66 hours and a peak discharge of 3.48 m³/s.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Optimasi Hidrograf, Curah Hujan, Kedalaman, Kecepatan, Debit Puncak, Waktu Puncak.
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA495 Disasters and engineering T Technology > TC Hydraulic engineering. Ocean engineering > TC401-506 River, lake, and water-supply engineering (General) T Technology > TC Hydraulic engineering. Ocean engineering > TC530-537 River protective works. Regulation. Flood control
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Bagas Putra Wardani
Date Deposited:	18 May 2025 15:21
Last Modified:	18 May 2025 15:21
URI:	http://repository.unsri.ac.id/id/eprint/172712

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