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All Journal Alchemy : Journal of Chemistry Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Teknik Sipil Jurnal Rekayasa Konstruksi Mekanika Sipil JURNAL SUMBER DAYA AIR Jurnal Teknologi Dan Sistem Informasi Bisnis Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Journal of the Civil Engineering Forum Profisiensi : Jurnal Program Studi Teknik Industri Jurnal Teknik Sumber Daya Air Indonesian Research Journal on Education Jurnal Pengabdian Masyarakat Dharma Andalas Jurnal Teknik dan teknologi tepat guna Ambidextrous : Journal of Innovation, Efficiency and Technology in Organization

Mohammad Farid

Program Pascasarjana Teknik Sumber Daya Air, Fakultas Teknik Sipil dan Lingkungan. Institut Teknologi Bandung, Jl. Ganesha No. 10 Bandung, 40132.

Author-ID : 263906

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Tsunami Early Warning System Based on Maritime Wireless Communication Aryanti Karlina Nurendyastuti; Mochamad Mardi Marta Dinata; Arumjeni Mitayani; Muhammad Rizki Purnama; Mohammad Bagus Adityawan; Mohammad Farid; Arno Adi Kuntoro; Widyaningtias
Journal of the Civil Engineering Forum Vol. 8 No. 2 (May 2022)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Tsunami buoy, linked to satellite, is commonly used as a tsunami early warning system but has been discovered to have several drawbacks such as the need for approximately 5 minutes to issue an early warning for a tsunami after detecting the initial wave as well as its fragility. It was also reported that the twenty-two buoys placed in the Indonesian seas from 2012 to 2018 were damaged and missing. Therefore, this study proposes a new method for tsunami early warning by integrating ship-to-ship maritime wireless communication. It is important to note that vessels or fishing boats with over 30 GT have the ability to travel more than 100 nmi (approximately 180 km) from the shoreline and can be equipped with point-to-multipoint VHF radio communication. Meanwhile, smaller boats on the fishing ground located approximately 2-5 km from the shore can use a WiFi network to communicate like a wireless mesh while the existing terrestrial network can be used for the ship-to-shore communication between boats and land stations. This system is expected to provide significant benefits for a fishing town such as Pangandaran, West Java, Indonesia which is directly facing Java Megathrust in the Indian Ocean. Therefore, a tsunami numerical simulation was conducted in this study using Shallow Water Equation which involved a hypothetical tsunami simulated from the possible fault source which is approximately 250 km from the source. Moreover, the vessel’s location was assumed to be in line with the fishing ground while the arrival time of the tsunami was estimated from the model to be 22.5 minutes and compared to the relay time of the proposed system which was approximately 5.4 seconds. This is faster in terms of delay than the existing system which relays information through satellite at approximately 5 minutes in an ideal condition and also has the ability to reduce the need for tsunami buoys.

Clarification of Watershed Recharge in Cisadane River Basin through Ground Test Dina P.A Hidayat; Sri Legowo W. D; Mohammad Farid
Journal of the Civil Engineering Forum Vol. 8 No. 2 (May 2022)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

KARDAS is an area used to protect groundwater from its usage as a water source. Meanwhile, the recharge zone is normally determined in Indonesia through the Regulation of the Ministry of Public Works and Housing (Permen PUPR) Number 10/2015 with the focus on certain physical parameters such as soil texture, land use/land cover, annual rainfall, and slope provided with relative potency values from 1 which represents very low to 5 which is very high. This system was used to review four parameters in a small grid unit of 1 km2 each in the Cisadane River Basin with a 1,545.47 km2 area divided into 1,710 units and the most dominant grid placed at the middle part while the rest are at the edge of the basin. This research focused on the clarification methods to determine the potential recharge variables for this river basin in order to serve as a reference for the potential recharge zone in Indonesia. The KARDAS map obtained showed a very high potential with a score of 17-20 covering 183 km2 (10.45%), high potential with a score of 13-16 involving 943 km2 (56.96%), medium potential with 584 km2 (32.59%), and 0 small potential. Moreover, KARDAS desk study results were clarified using the field or ground test to ensure accuracy and this involved using 14 units as samples to represent the five potentials through temporary quantitative cumulative scores. The desk study or secondary data results were found to be only 50% accurate with a limited point survey but the application of qualitative perception showed that only 1 point does not match with the medium and high potentials this indicates the accuracy was 93% which is categorized to be good.

Co-Authors Adelino, Muhammad Ilham Adi Kuntoro, Arno Adi Prasetyo Adi Prasetyo Adityawan, Mohammad Bagus Akyunul Jannah Anik Maunatin Antalia K.M. Katili Arno Adi Kuntoro Arno Adi Kuntoro, Arno Adi Arumjeni Mitayani Aryanti Karlina Nurendyastuti Audrienne, Resanti Avis Mellivera Bagus Adityawan , Mohammad Bagus Pramono Yakti Bin Ishak, Ismayuzri Burnama, Nabila Siti Calvin Sandi Chaidar, Ana Nugranah Chaidar, Ana Nurganah Dantje Kardana Natakusumah Dendy Permana Dewi, Alfita Dhemi Harlan Dina P.A Hidayat Eka Oktariyanto Nugroho Erha Intan Sukmajati Fachri, Fiqih Jul Faisal Yunus Faizal Immaddudin Wira Rohmat Fatchurrohman, Nanang Febry, Muhammad Fitri, Meldia H, Rommy Hadiarto Mangunnegoro Harkunti P. Rahayu Harkunti P. Rahayu, Harkunti P. Huseiny, Mohammad Iqbal Idham Riyando Moe Idham Riyando Moe Imani, Rafki Irfan Sudono Iwan Kridasantausa (alm.) Joko Nugroho Kedafota, Fahrul Kesuma, Tri Nugraha Adi Khilmi Zain Kholik, Almira Abdul Kirana, Pratita Hana Ledowikj, Felix Joel Lestari, Ovi M. Bagus Adityawan, M. Bagus Masri nur Sultan Mellivera, Avis Mochamad Mardi Marta Dinata Mochammad Ridwan Muhammad Rizki Purnama Muhammad Syahril Badri Kusuma, Muhammad Syahril Badri Muhammad, Al Nana Nasuha Djuhri Nofriadirman Novintasari Nadeak Nurmaulia, Sella Lestari Permana, Salsa Alfadhila Pratama, Maryo Inri Prima Putra, Kahar Halim Purnama, Vicky Candra Rahayu, Harkunti Pertiwi Rasmiaditya Silasari Rasmiaditya Silasari Rohman, Mutiara Indah Nur Sarah Abighail siti rodiah Sri Legowo W. D Sri Legowo Wignyo Darsono Suardi Natasaputra Sultan, Masri nur Tia Setiawati Tia Setiawati Waluyo Hatmoko Wicaksono, Rofidzias Siswo Widodo Widodo Widyaningtias Widyaningtias, Widyaningtias Widyaningtyas, Widyaningtyas Wisanggeni, Dimas H. Yakti, Bagus Pramono Yetrina, Mutiara Zain, Khilmi Zefri Yenni

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