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All Journal Jurnal Teknik Jurnal Infrastruktur
Annisa Destiany
Universitas Riau
Arts Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Transportation

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PENENTUAN PARAMETER MODEL TANGKI DENGAN EMPAT SUSUNAN SERI PADA DAERAH ALIRAN SUNGAI ROKAN Manyuk Fauzi; Yohanna Lilis Handayani; Annisa Destiany
Jurnal Infrastruktur Vol 5 No 2 (2019): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v5i2.1012

Abstract

Information about low flow and water availability is one of the important factors in the management of water resources. The Rokan River Basin as one of the water resources in Riau Province is very important to know the condition of its water availability. One conceptual hydrological model for low flow analysis is the Tank Model developed by Sugawara. Data input needed in this research is daily rainfall data at Pasar Tangun Station, climatology data at Rambah Utama station and discharge data at AWLR Pasir Pengaraian. Model parameter search in the calibration stage is by trial and error. Using a 90% confidence interval a range of parameter values for the tank model is obtained, which is special for production store are surface flow 150.81 mm ≤ H1 ≤ 204.75 mm, intermediate flow 156.74 mm ≤ H2 ≤ 194.37 mm, sub base flow 141.24 mm ≤ H3 ≤ 176, 54 mm and base flow 139.43 mm ≤ H4 ≤ 176.12 mm.
Analisis Debit Andalan Sungai Batang Lubuh Pos Duga Air Pasir Pengaraian Annisa Destiany; Manyuk Fauzi*
JURNAL TEKNIK Vol. 13 No. 2 (2019): Edisi Oktober 2019
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v13i2.3601

Abstract

Sungai Batang Lubuh memiliki luas daerah aliran sungai = 1.036 km2 dan menjadi sumber air utama masyarakat Kota Pasir Pengaraian untuk manfaat air baku air minum, irigasi, perikanan dan perkebunan. Analisis debit andalan sungai Batang Lubuh menjadi sangat penting guna diperoleh informasi ketersediaan air pada kondisi basah (Q20%), normal (Q50%) dan kering (Q80%). Analisis dilakukan dengan metode basic month (bulan dasar perencanaan) untuk data pengamatan pos duga air Pasir Pengaraian periode tahun 2011 hingga 2017. Hasil analisis memperoleh nilai-nilai debit andalan pada kondisi musim basah meliputi nilai maksimum Q20% = 199,68 m3/dt, nilai minimum Q20% = 67,96 m3/dt, dan rata-rata Q20% = 130,53 m3/dt. Debit andalan kondisi normal antara lain nilai maksimum Q50% = 151,11 m3/dt, minimum Q50% = 51,28 m3/dt, dan rata-rata Q50% = 91,21 m3/dt. Selanjutnya untuk debit kondisi musim kering, nilai maksimum Q80% = 95,19 m3/dt, minimum Q80% = 36,58 m3/dt, dan rata-rata Q80% = 62,63 m3/dt.
Co-Authors Fauzi, Manyuk Yohanna Lilis H