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Journal : REKAYASA

Pemodelan Pola Transport Sedimen di Perairan Desa Berakit dan Pengudang Kabupaten Bintan Rahma Sarita; Mario Putra Suhana; Harish Wirayuhanto
Rekayasa Vol 16, No 1: April 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i1.18386

Abstract

Sedimentation and erosion processes can be influenced by hydro-oceanographic factors. These factors include waves, currents, and tides because they interact directly with the coastal/coastal area. Related to these problems, sedimentation and erosion is one thing that needs to be studied. One way that is used in providing information about these that is widely used is to use a hydrodynamic model. Based on this, it can be seen that it is important to conduct research to determine sediment properties such as the type and type of sediment with sediment transportt modeling in Berakit and Pengudang villages. This research was carried out using the MIKE21 Software hydrodynamic modeling for one month in June 2021 using hydrodynamic modeling, the Flow Model FM Sand Transportt module. Sediment transportt observed is bottom sediment or bed load. The research results are shown in 4 conditions, namely towards high tide, highest tide, towards low tide and lowest tide. Sediment transportt at high tide with erosion of -0.10 and sedimentation of 0.25 m/day and at the highest tide shows an erosion value of -0.24 and sedimentation of 0.32 m/day. Sediment transportt towards low tide with erosion of -0.15 and sedimentation of 0.20 m/day and at the lowest ebb erosion occurs with a value of -0.36 and sedimentation of 0.20 m/day.
Pemodelan Hidrodinamika 2-Dimensi Arus Laut Permukaan Perairan Desa Berakit Kabupaten Bintan Nur Anisa; Mario Putra Suhana; Harish Wirayuhanto
Rekayasa Vol 16, No 2: Agustus 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i2.17227

Abstract

Information related to ocean currents is not yet available in Berakit Village waters, ocean currents are an important parameter to determine the condition of a waters. An alternative that can be used to determine the condition of ocean currents is to use hydrodynamic modeling. The purpose of the study was to analyze the distribution pattern and characteristics of surface ocean currents. This research was conducted by conducting 2-dimensional hydrodynamic modeling simulating ocean currents for 1 (one) year in December 2020-November 2021 using MIKE 21 software by sampling in 6 (six) different conditions, namely at the highest tide, lowest tide, high tide. towards the ebb and flow of the full moon, the ebb towards the negligible tide, the tide towards the ebb tide and the ebb towards the negligible tide. The model results were validated by the RMSE formula with a value of 2%, the model results were very good, so that they could be used as a reference in providing an overview of the real conditions of the pattern and current distribution at the research location. The movement of ocean currents at the time of the full moon and negligible dominant currents move towards the south of the waters, while at the time of the full tide and negligible the dominant currents move towards the north of the waters. In the north season, the current velocity ranges from 0.00006 m/s-0.125 m/s with the dominant movement towards the north. East monsoon currents move predominantly north and south with speeds ranging from 0.0000003 m/s-0.129 m/s. In the south monsoon the dominant current moves to the north and south at a speed of 0.0000007 m/s-0.13 m/s. in the west season, the dominant current moves to the north and south at a speed of 0.00001 m/s-0.12 m/s. The speed of the dominant ocean currents is greater at high tide compared to low tide, this is due to differences in sea level elevation in the opposite direction of motion. 
Co-Authors Abdul Rahman Ritonga Aditya Hikmah Nugraha Aditya Hikmat Nugraha Agung Dhamar Syakti Ani Suryanti Arief Pratomo, Arief Asep Ma'mun Azizah Ramadani Chandra Joei Koenawan Desi Nurlianti Dony Apdillah Edo Edo ESTY KURNIAWATI Esty Kurniawati Fa'u, Yosepine Cinta Tyas Gusti Fadhliyah Idris Fahrianti, Anggun Safutri Falmi Yandri Hatmaja, Rahaden Bagas Herlanto Sihar Napitupulu Herlina Ika Ratnawati, Herlina Ika Hertyastuti, Putri Restu Heryoso Setiyono Hidayah, Ricky Try Noer Hidayah, Ricky Try Noer I Wayan Nurjaya Ibnu Kahfi Bachtiar Ichsan, Rafiqul M Ichsan, Rafiqul M Ika Anggraeni Illona, Dea Jessi Illona, Dea Jessi Ita Karlina Izzaturrahim, Muh. Hafizh Jaya, Yales Veva Jaya, Yales Veva Khairunnisa Khairunnisa Kolibongso, Duaitd Kurniawan, Rika Latifah, Laila Leica Febby Shafitri Lelalette, Johanis Dominggus M. Furqon Azis Ismail Ma'mun*, Asep Ma'mun, Asep Ma’mun, Asep Muhamad Muliadi Muhammad Abrar Muhammad Helmi Muhammad Trial Fiar Erawan Ni Wayan Purnama Sari Nur Anisa Nyoman M N Natih Oksto Ridho Sianturi Paputungan, Mohammad Sumiran Prista, Dahlia Mei Putra, Andry Purnama Putra, Andry Purnama Rahma Sarita Reski Putri Handayani Rika Anggraini Rika Anggraini Rikoh Manogar Siringoringo Rikoh Manogar Siringoringo Risandi Dwirama Putra Ritonga, Abdul Rahman Rochmady Rumapea, Meyliana Anastasya Ryanto, Fauzan Novan Sarmada, Iqbal Faiz Sarmada, Iqbal Faiz Satria Agust SATRIYAS ILYAS Septhi Dwi Nursyahnita Setiyadi, Johar Sinta Junia Wulandari Soedrajad Haryo Adji Sri Maharani Subekti Mujiasih T. Ersti Yulika Sari Tri Apriadi Tri Nur Cahyo Try Febrianto Ulfatul Syahara Utama, Ferdy Gustian Utama, Ferdy Gustian Widodo S Pranowo Wirayuhanto, Harish Yuni Sinta Pratiwi Zibar, Zan