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All Journal POSITRON PRISMA FISIKA JURNAL FISIKA SEMIRATA 2015 Jurnal Spektra JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Jurnal Fisika FLUX GERVASI: Jurnal Pengabdian kepada Masyarakat Physics Communication Community Empowerment JURNAL GEOGRAFIKA (GEOGRAFI LINGKUNGAN LAHAN BASAH) Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Joko Sampurno
Department of Physics, Faculty of Mathematics and Fundamental Sciences, Tanjungpura University, Jl. Prof. Dr. H. Hadari Nawawi, Pontianak, 78124, Indonesia
Aerospace Engineering Arts Humanities Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Geophysical data acquisition education for high school students through field observation Muhardi, Muhardi; Putra, Yoga Satria; Perdhana, Radhitya; Jumarang, Muh Ishak; Sampurno, Joko; Muliadi, Muliadi; Ihwan, Andi; Adriat, Riza; Zulfian, Zulfian; Sutanto, Yuris; Faryuni, Irfana Diah
Community Empowerment Vol 10 No 3 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12423

Abstract

Most high school students in Singkawang City and Bengkayang Regency still require a more comprehensive understanding regarding the application of geophysics, which can impact their skills in conducting field observations. This Community Service (PkM) aims to enhance students' skills in geophysical data acquisition through field observations at Karta Beach, Bengkayang Regency. The activity was carried out in three stages: preparation, implementation, and evaluation. During the implementation stage, participants were educated about geophysical data acquisition through field observations, including geoelectric, self-potential, meteorology, and geology practicums. Based on the evaluation results, a score of 87.31 (very good) was obtained, indicating an increase in students' skills in geophysical data acquisition through field observations.
Enhancing high school students’ understanding and skills in geophysical surveying and data processing: A service learning Jumarang, Muhammad Ishak; Putra, Yoga Satria; Muliadi, Muliadi; Ihwan, Andi; Sampurno, Joko; Faryuni, Irfana Diah; Zulfian, Zulfian; Adriat, Riza; Perdana, Radhitya; Muhardi, Muhardi
Community Empowerment Vol 10 No 6 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12716

Abstract

Knowledge and skills in geophysical surveying and data processing are unique areas for high school students interested in environmental conditions. This community engagement activity aimed to enhance the understanding and skills of high school students in Pontianak City regarding geophysical surveying and data processing through direct field observations. The activity spanned five months, from June to October 2024, and included several stages: preparation, implementation, and evaluation. Evaluation was conducted with 41 participants, achieving a success index of 90.54%. These evaluation results indicate that the activity met the expectations of most participants. Key aspects such as participant satisfaction, program utility, material comprehension, presenter/facilitator delivery, and time allocation received very high appreciation from the participants.
How to Identify the Subsurface Layer of Bangkam Hill - Mempawah Regency? Application of the Geoelectrical Resistivity Method Ivansyah, Okto; Dilnalsyah, Felas; Sampurno, Joko; Muhardi, Muhardi
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 11 No 2 (2022): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v11i2.12714

Abstract

Mapping the subsurface is essential in rock exploration for construction to minimize costs and guide adequate mining planning. This study aims to identify the subsurface layer of Bangkam Hill, a depot of various rocks for construction materials located in Sungai Kunyit District, Mempawah Regency. A resistivity method was applied to map the sub-surface using the Wenner-Schlumberger configuration. Data acquisition was performed at six measurement lines to cover the hill. The results show that the subsurface layers of the hill from the ground to 40 m in depth are composed of sand, laterite soil, gravel, and igneous rock, with resistivity varying from about 30 to 693,055 Ωm. Using the subsurface map, the stakeholder can assess shallow rock reserves in the study area and create a proper mining strategy.
Study of the Secondary Flow Formed on Two-Channel Junction Using Computational Fluid Dynamics Pratiwi, Tasya Mahardika; Putra, Yoga Satria; Sampurno, Joko; Muhardi, Muhardi; Sutanto, Yuris
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 3 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i3.372

Abstract

Information about the secondary flow formed at the junction is crucial for identifying areas vulnerable to erosion. This study aims to build a water flow simulation at a two-channel junction with varying angles using Computational Fluid Dynamics (CFD). The goal of the simulation is to analyze the velocity changes on each variation of angles (90°, 70°, 50°, 30°, and 10°) on the two-channel junction. The validation of these flow patterns is significantly connected to the reference data. The secondary flow is formed as the impact of the velocity changes, and the main channel flow meets the branch channel flow. The flow patterns at the 90° junction exhibit similar formation, as evidenced by secondary zones formed around the junction, such as the contraction and separation zones. The contraction zone forms in areas near junctions with high-velocity values, while the separation zone develops in areas where velocity decreases due to the impact of two flows. This study found that CFD effectively analyses velocity changes on two-channel junctions.
Co-Authors . Agato . Antonius, . . Apriansyah . Hasanuddin A.A. Ketut Agung Cahyawan W Abdul Muid Ananda, Ria Andi Ihwan Andriyani, Ririn Apriyanto Ramadhan Aripin Asri, Nurul . Azrul Azwar Bebeh Wahid Nuryadin Bedry Yuveno Denny Boni Pahlanop Lapanporo Budiman Budiman Chintia, Bella Dilnalsyah, Felas Eisar Gabela Evelin, Luluk Surya Fatimah Arofiati Noor Iman Hakiki, Iman Iman Iman, Iman Insani, Windri Harsika Irfana Diah Faryuni Jaya, Maruta Prima Jumarang, Muh Ishak Maysharoh, Siti Mei Sari Soleha, Mei Sari Menas Aswan Miftahuddin, . Muh. Ishak Jumarang Muhardi Muhardi Muhardi Muliadi Muliadi Muliawan, Novi Riyandi Eka ningsih, Urai astri lidya Norsiah, Norsiah Nurhasanah Nurhasanah Nurhasanah Nurhasanah Okto Ivansyah Perdana, Radhitya Perdhana, Radhitya Pratiwi, Tasya Mahardika Rahmat Hidayat Ramadhaningsih, Laila Ramdani, Feri Riza Adriat Rusmawarningsih, Resi Sabariah Sabariah Sari, Kartika Kapuas Sari, Nur Novita Satria Putra, Yoga Sofiani, Maria Tantri, Oktaviana Wafha Fardiah Widiastuti, Nanda Yoga Satria Putra Yudha Arman Yuris Sutanto Zulfian Zulfian