Analisis Penggunaan Lengkung Durasi Aliran (Flow Duration Curve) Untuk Mengetahui Debit Andalan di Sungai Sidoan Kabupaten Parigi Moutong

Authors

  • S.R. Oktavia Jurusan Teknik Sipil, Fakultas Teknik Universitas Tadulako, Jl. Soekarno-Hatta Km 9, Palu 94118, Indonesia
  • N. Hidayat Jurusan Teknik Sipil, Fakultas Teknik Universitas Tadulako, Jl. Soekarno-Hatta Km 9, Palu 94118, Indonesia
  • M.M. Marampa Alumni Jurusan Teknik Sipil, Fakultas Teknik Universitas Tadulako, Jl. Soekarno-Hatta Km 9, Palu 94118, Indonesia

DOI:

https://doi.org/10.22487/renstra.v6i2.745

Keywords:

F.J. Mock, optimization, flow duration curve, depenable flow, Sidoan watershed

Abstract

Limited hydrological information in the form of discharge data on a river or watershed can hinder the process of developing water resources in the area. Based on discharge data recorded at the Sidoan Weir, site in Parigi Moutong Regency, the river has the potential to be used for various purposes, such as irrigation, micro-hydro power plants, raw water, and thus. This study aims to determine the similarity between measured discharge data and calculated discharge data on the Sidoan River, as well as to determine the reliable discharge on the Sidoan River. The data used in this study are climatological data, rainfall data, and discharge data (2011-2020), including a map of the Sidoan watershed. Evapotranspiration analysis was performed using the Modified Penman Method. Measured discharge data was used to determine the similarity with calculated discharge, which was analyzed using the F.J. Mock Method. The Flow Duration Curve (FDC) method was used to analyze the amount of reliable discharge. The results of the study show that the average evapotranspiration value ranges from 100 to 150 mm/month. The parameters used in the water availability analysis with the F.J. Mock method were watershed parameters optimized with a correlation coefficient between measured and calculated discharge of 0.78. The results of the study show that the RMSE values before and after optimization of the watershed parameters are 4.16 and 2.76, respectively. The calculation validation was performed using Mean Absolute Error (MAE). The FDC results show that the 80% - 90% reliable discharge is 0.251 m3/second - 0.150 m3/second, while the 50% reliable discharge is 0.860 m3/second. These results can provide an overview of water availability that can be used for water resource development and management

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References

A.E. Setyono and B.F.T. Kiono, “Dari Energi Fosil Menuju Energi Terbarukan: Potret Kondisi Minyak dan Gas Bumi Indonesia Tahun 2020 – 2050”, Jurnal Energi Baru dan Terbarukan, vol. 2, no. 3, p. 154, 2021.

I. Hanggara and H. Irvani, Potensi Pltmh (Pembangkit Listrik Tenaga Mikro Hidro) di Kecamatan Ngantang Kabupaten Malang Jawa Timur, Malang: LIPI, 2017.

A. Zukhrufiyati, J. Triyono, S. Ginting, and E.W. Irianto, “Determination of Dependable Flow For Microhydro Power Plant in Irrigation Network”, World Irrigation Forum, vol. 3, p. 1, 2019.

M. Fujii, S. Tanabe, M. Yamada, T. Mishima, T. Sawadate, and S. Ohsawa, “Assessment of the potential for developing mini/micro hydropower: A case study in Beppu City, Japan”, Journal of Hydrology: Regional Studies, vol. 11, p. 107–116, 2017.

I.W. Ratnata, W.S. Saputra, M. Somantri, E. Mulyana, and A. Ardhika, “Preliminary Study of Micro-hydro Power Plant (MHPP) in the Rural Area”, in IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing, vol. 2018, p. 2018.

Muhamma and K. Ilmi, “Penentuan Debit Lingkungan di Das Dodokan Berdasarkan Metode Tennant dan Flow Duration Curve (FDC)”,Media Teknik Sipil, vol. 16, no. 3, p. 1, 2022.

E. Ridolfi, H. Kumar, and A. Bárdossy, “A Methodology to Estimate Flow Duration Curves at Partially Ungauged Basins”, Hydrology and Earth System Sciences, vol. 24, no. 4, p. 2043, 2020.

B. Santosa, N. Yasin, G. Rakhmawati, T. Handayani, and A. Wulan, “Analisis Debit Aliran Rendah Pada Daerah Aliran Tidak Terukur Menggunakan Metode Mock”, Jurnal Ilmiah Desain & Konstruksi, vol. 23, no. 1, p. 46, 2024.

A. Wilnaldo, Y. Satria Putra, R. Adriat and J.H. Nawawi, “Perbandingan Metode Perhitungan Evapotranspirasi Potensial di Paloh Kabupaten Sambas Kalimantan Barat”, Prisma Fisika, vol. 8, no. 3, p. 165, 2020.

I.G. Tunas, “Optimasi Parameter Model Mock Untuk Menghitung Debit Andalan Sungai Miu”, SMARTek, vol. 5, no. 2, p. 1, 2017.

B. Santosa, N. Yasin, G. Rakhmawati, T. Handayani, and A. Wulan, “Analisis Debit Aliran Rendah Pada Daerah Aliran Tidak Terukur Menggunakan Metode Mock”, Jurnal Ilmiah Desain & Konstruksi, vol. 23, no. 1, p. 46, 2024.

R. Imroatun and S. Lubis, “Penggunaan Model Mock dalam Menghitung Ketersediaan Air di Daerah Aliran Sungai (DAS) Krueng Aceh”, Jurnal Ilmiah Mahasiswa Pertanian, vol. 7, no. 3, p. 1, 2022.

Z. Nisa, E. Suhartanto, and S. Wahyuni, “Penerapan Algoritma Genetik dalam Alih Ragam Hujan menjadi Debit Menggunakan Metode FJ. Mock di DAS Rejoso”, Jurnal Teknologi dan Rekayasa Sumber Daya Air, vol. 4, no. 2, p. 1508, 2024.

K. Waasiu Widyaningsih, D. Harisuseno, W. Soetopo, and J. Haryono, “Perbandingan Metode FJ. Mock dan NRECA untuk Transformasi Hujan Menjadi Debit pada DAS Metro Kabupaten Malang, Jawa Timur”, Jurnal Teknik, vol. 4, no. 2, p. 1, 2021.

D.P. Anindya, E. Suhartanto, and J.S. Fidari, “Perbandingan Metode Alih Ragam Hujan Menjadi Debit dengan FJ.Mock dan NRECAdi DAS Welang Kabupaten Pasuruan”, Jurnal Teknologi dan Rekayasa Sumber Daya Air, vol. 2, no. 2, p. 286, 2022.

I.G. Tunas and S.B. Lesmana, “Deviation Analysis of Discharge Prediction Using Mock and NRECA Models”. Infrastruktur, vol 1, no. 1, p. 1, 2011.

Indarto, Hidrologi – Dasar Teori dan Contoh Aplikasi Model Hidrologi, Jakarta: Media, 2012.

B.P.R. Sagita, A. Pracoyo, and S. Soekarno, “Analisis Perhitungan Besaran Debit Ketersediaan Air Dengan Metode Mock Pada Das-Das Yang Terukur AWLR di Wilayah Sungai Lombok, Jurnal Rekayasa, vol. 6, no. 3, p. 1, 2017

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Published

2025-10-05

How to Cite

Oktavia, S. ., Hidayat, N., & Marampa, M. (2025). Analisis Penggunaan Lengkung Durasi Aliran (Flow Duration Curve) Untuk Mengetahui Debit Andalan di Sungai Sidoan Kabupaten Parigi Moutong. REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development, 6(2), 177-184. https://doi.org/10.22487/renstra.v6i2.745

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