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All Journal Jurnal Teknik Pengairan: Journal of Water Resources Engineering Gema Wiralodra
Haribowo , Riyanto
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Reproduction and Characterization of Sedimentation Phenomena in Tanjung Perak Port through Numerical Simulation Using Delft3D Camila, Adristi Nur; Murakami, Keisuke; Sajali, M. Amar; Haribowo , Riyanto
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 16 No. 1 (2025)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2025.016.01.7

Abstract

Tanjung Perak Port in Surabaya, one of the biggest ports in Indonesia, faces significant sedimentation problems that can affect operational capacity. This research aims to investigate these sedimentation problems using a 3-dimensional numerical model with Delft3D software, analyzing wave, tidal, and topographic changes to recommend effective sediment management. This research focuses on Tanjung Perak Harbor in Surabaya, Indonesia, using Delft3D numerical modeling to analyze sedimentation phenomena and examine topography, tidal, wave, and sediment characteristics, and river inflow data from the Mas River and Lamong Rivers. This research divides the depth into three layers with the smallest grid size dx= 10 m and dy= 10 m. Sediment diameter data, used in this simulation with an average grain size (D50) of 0.28 mm from inside the port, will be simulated simultaneously with tidal and wave motion. This simulation is for 1 month using a scale factor of 12, making the simulation equal to 1 year. From the simulation results, the effect of wave movement is relatively small. At 3 locations in the Tanjung Perak port area, sedimentation with an average change in depth of 0.8 m/year was caused by sedimentation carried from the Lamon River and Mas River. Therefore, dredging recommendations are conducted to reduce sedimentation in the port area by constructing a jetty at the mouth of the Mas River. The results showed that the average depth increase changed to 0.4 m/year after the jetty was built, but some erosion occurred around the jetty, 0.0056 m/year.
Analysis of the Potential Utilization of Semantok Reservoir For the Fulfillment of Raw Water and Irrigation Water Augustiman, Yoggie Azhary; Yuliani , Emma; Haribowo , Riyanto
Gema Wiralodra Vol. 14 No. 3 (2023): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v14i3.581

Abstract

Each reservoir's need for water is increasing, including the Semantok Reservoir. It is intended to provide 312 l/sec of raw water needs and irrigation water for 1,900 acres. To assess whether irrigation water requirements are met, it is important to simulate using the Standard Operating Rule (SOR) technique and the QM For Windows V5 linear program. This simulation model incorporates normal year, dry year, and wet year flow along with monthly mid-month discharge input. The scenario was created using the QM For Windows V5 linear program under 25 year and 50 year circumstances. Simulations based on usual years, dry years, and wet years using the SOR technique and the QM For Windows linear software indicate 100% fulfillment in every year. The water discharge in 2048 in dry years is 0.22 m3/sec, in normal years is 0.31 m3/sec, and in wet years is 0.34 m3/sec, according to the analysis of the QM For Windows V5 linear program by simulating conditions for 25 years and 50 years, while in 2073 in dry years is 0.17 m3/sec, normal year is 0.23 m3/sec, and wet year reaches 0.33 m3/sec, and recommending an increase in.
Co-Authors Augustiman, Yoggie Azhary Camila, Adristi Nur Keisuke Murakami M. Amar Sajali Yuliani , Emma