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All Journal POSITRON PRISMA FISIKA BERKALA SAINSTEK Journal of Degraded and Mining Lands Management Phi : Jurnal Pendidikan Fisika dan Terapan Jurnal Fisika Unand JGE (Jurnal Geofisika Eksplorasi) Jurnal Geosaintek JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX Buletin Sumber Daya Geologi Jurnal Geosains dan Teknologi GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Teori dan Aplikasi Fisika Jurnal Kumparan Fisika Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Jurnal Fisika dan Terapannya Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Geosains dan Remote Sensing (JGRS) Community Empowerment International Journal of Hydrological and Environmental for Sustainability Progressive Physics Journal Wahana Fisika : Jurnal Fisika dan Terapannya Bulletin of Geology Jurnal Geosaintek
Perdhana, Radhitya
Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Identifikasi Struktur Bawah Permukaan Daerah Potensi Panas Bumi Bajawa dan Sekitarnya Menggunakan Metode Gravitasi Novianti, Teti Amalia; Perdhana, Radhitya; Zulfian, Zulfian
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 8 No 2 (2025): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2025.8.2.17745

Abstract

This study aims to identify the subsurface structure of geothermal systems in the Bajawa area, East Nusa Tenggara, using gravity methods based on GGMplus 2013 satellite data. The analysis was conducted on complete Bouguer anomaly data that had been corrected and separated into regional and residual components using Butterworth filters. 3D modeling and 2D cross-section incisions were performed on regional anomalies, having density variations between 1.9 - 3.5 g/cm³, a range of regional anomaly values of 92-138 mGal and depths up to 4.43 km. Based on the results of the analysis of the distribution of rock density values, suspected rock formations as geothermal systems such as the presence of reservoirs from the Nangapanda formation (Np) with densities ranging from 1.9 - 2.66 g/cm³, host rocks from the Aimere Scoria formation (As), Andesite Sasa (Ss), Andesite Inie Lika (Ik), Andesite Mataloko (Mk), Andesite Bobo (Bb) and Andesite Siutoro (Si), Inerie Basalt (Ie), Wabela Basalt (Wa), Lahar Deposit (Lh) and Tuf Welas (Wt) with densities ranging from 2.49 - 2.8 g/cm³ and heat sources from Maumbawa Basalt (Mb) with densities ranging from 2.7 -3.5 g/cm³ and Andesite Wangka (Wn) with densities ranging from 1.9 -2.9 g/cm³. This finding strengthens the indication that the Bajawa area and its surroundings could be a potential prospect area for geothermal systems.
Identifikasi Struktur Bawah Permukaan Daerah Potensi Panas Bumi Di Daerah Tulehu Menggunakan Metode Gravitasi Kurniawan, Indra Reza; Perdhana, Radhitya; Muliadi
Progressive Physics Journal Vol. 6 No. 2 (2025): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/w66fps36

Abstract

Indonesia has great geothermal potential, Indonesia is located in the path of volcanoes or the ring of fire can also be called the ring of fire. Maluku Province, especially the Ambon and Seram islands, has geothermal energy potential that can be developed as an alternative renewable source. One of the geothermal potentials located in the Maluku islands is WKP Tulehu which has a fairly high temperature reaching 134.09°C–251°C. One method that can be used to identify the subsurface layer of geothermal areas is the gravity method using GGMPlus gravity data. The 2013 Global Gravity Model Plus (GGMPlus) secondary gravity data is a global gravity model data that has ultra–high resolution with grid spacing between data points ~220 m in the north–south direction. The results of the identification of geological structures using gravity methods using regional anomaly values with a range of 80.7–101.3 mgal. The depth of the regional anomaly in the study area is estimated to be 1.862 km deep. There are 7 faults found in the 4 research cross sections. These faults are located in cross section A–A' at a distance of 8.30 km, cross section B–B' at a distance of 1.9 km and 5.1 km, cross section C–C' at a distance of 2.450 km and at a distance of 11.6 km, and cross section D–D' 2.248 km and 4.5 km.
Identifikasi Ketebalan Tanah Gambut Menggunakan Metode Geolistrik Resistivitas Konfigurasi Wenner Umam, Fiki Husnial; Perdhana, Radhitya; Zulfian
Progressive Physics Journal Vol. 6 No. 2 (2025): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/zrg5ej60

Abstract

Peat soils are organic deposits that have a high carbon content. West Kalimantan is the second largest province in Kalimantan with a total peat ecosystem of around 1,729,980 Ha. In 2018, it was recorded that the peat area in West Kalimantan Province was 1,543,752 Ha. Its utilization in this province has increased every year although it has not yet reached a large area. Identification of peat thickness can be done with the resistivity geoelectric method. In this study, subsurface modeling was carried out using the Wenner configuration to determine the thickness of the peat layer. The modeling results are in the area of Perdana Street, Bansir Darat Village, Southeast Pontianak. The depth of the peat layer in the research area was found at a depth of 1.30 m to reach more than 5.5 m with a range of peat layer resistivity values obtained in the range of 131 Ωm - 267 Ωm. The clay layer is found at a depth of 1.31m - 8m. with a resistivity value range of 1.80 Ωm - 131 Ωm.
Identifikasi Air Tanah Di Daerah Sekitar Jalan Tunas Harapan Desa Pal IX Menggunakan Metode Vertical Electrical Sounding (VES) Danti, Namira; Zulfian, Zulfian; Perdhana, Radhitya
JFT : Jurnal Fisika dan Terapannya Vol 12 No 2 (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i2.58560

Abstract

A hydrogeological investigation using the Vertical Electrical Sounding (VES) method was conducted in the vicinity of Jalan Tunas Harapan, Pal IX Village, to determine groundwater potential. The data acquisition involved four VES points with an inter-point spacing of 60 m-80 m. Inversion results yielded resistivity values ranging from 2.11 Ωm-203 Ωm, revealing subsurface lithology composed of clay, wet clay, sandy silt, and clayey sand layers. Groundwater potential was identified within the clayey sand layer (191 Ωm-203 Ωm), which is distributed across all four VES points. This layer is found at depths of 35.2 m-71.3 m in VES 01, 35.4 m-69.1 m in VES 02, 34.7 m-64.7 m in VES 03, and 33.3 m-67.1 m in VES 04.  These findings imply that the clayey sand layer functions as a viable aquifer zone capable of supporting groundwater availability. Based on the interpretation, groundwater drilling in the study area is recommended within the depth interval of 33.3 m-71.3 m.
Identifikasi Ketebalan Lapisan Lapuk pada Area Rawan Longsor Menggunakan Metode Seismik Refraksi (Studi Kasus: Desa Kalirejo Kabupaten Kulonprogo) Muhardi Muhardi; Radhitya Perdhana; Muhammad Reza July Utama; Mitranikasih Laia; Tisar Dewi Pratiwi; Randha Ayu Nurwulandari
Jurnal Teori dan Aplikasi Fisika Vol. 8 No. 2 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i2.251

Abstract

Abstract. Kalirejo Village, Pengasih District, Kulonprogo Regency, is an area that is prone to landslides. The purpose of this study is to identify the weathering layer thickness, which is one of the triggering factors for landslides. This study was conducted using the seismic refraction method by applying two lines. Line 1 uses 24 geophones, has a distance of 1 meter between geophones, while Line 2 uses 24 geophones, has a distance of 2 meters between geophones. The results showed that the velocity of seismic wave propagation in the weathering layer for Line 1 was 400 m/s, and in the slip surface was 2,300 m/s. The weathering layer thickness on Line 1 is 7.6 - 9.8 meters and the slope is steep so that this location is predicted to have a potential landslide. While the velocity of seismic wave propagation in the weathering layer for Line 2 was 300 m/s, and in the slip surface was 2,200 m/s. The weathering layer thickness on Line 2 is at less than 2 meters, so this location is predicted not to have a landslide potential even though the slope is steep
Pengujian Kualitas Air Kemasan Minieral dengan Pengukuran Indeks Biasa Air Menggunakan Metode Difraksi Fraunhofer Tisar Dewi Pratiwi; Radhitya Perdhana; Mitranikasih Laia; Rohmawati Metaningrum
Jurnal Teori dan Aplikasi Fisika Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v12i02.406

Abstract

On a laboratory scale, water quality measurements generally use the degree of acidity (pH) and wather index. This study aims to implement simple physics equations with the tools we make by applying the principle of light diffraction. One of the parameters to determine the level of water quality can be through the measurement of the water index. We use the single-slit Fraunhofer diffraction method to measure the water index in mineral bottled water, including Tripanca, Grand and Aqua. Then the results are compared with the results of measuring the water index in turbid water. The results we obtained showed that Tripanca bottled water was 1.34 ± 0.16, Grand was 1.36 ± 0.39 and Aqua was 1.32 ± 0.51. Turbid water measurements get a water index value of 1.62 ± 0.003. When compared with the laboratory water index value of 1.33, the average bottled water has a water index that is lower than the laboratory water index, and turbid water has a water index that is greater than the laboratory water index. This is because the greater the value of the refractive index of water, it will inhibit light from entering the water medium, thereby reducing the quality of the water.   Keywords: Light diffraction, Refractive index of water, Water Mineral Content, Linear regression.
Co-Authors Adiltha, Fatina Aditya Yoga Purnama Ahmad Mushawwir Amir Machmud, Amir Andi Ihwan Azrual Azwar Budi Eka Nurcahya, Budi Eka Danti, Namira Devi, Marsiana Dwiria Wahyuni Eldoni, Andika Esau Cornelius Fadjryan Fadjryan Geulis, Yusanneya Harsita, Sri Hermawan, Rikki Irfana Diah Faryuni Irvan Nur Prasetya Ja'a Khairuni Joko Sampurno Jumarang, Muh Ishak Kholis Nurhanafi Kurniawan, Indra Reza Kurniawati, Nur Laily Lestari, Tri Mukti Listiawati Mahmuddin Marbun Maulia, Nasya Putri Mitranikasih Laia Muh. Ishak Jumarang Muhammad Reza July Utama Muhardi Muhardi Muhardi Muliadi Muliadi Muliadi Muliadi Murti, Tiffany Budi Nasharuddin Novianti, Teti Amalia Nugroho Budi Wibowo Nugroho, Kunto Adi Nuraisyah Nuraisyah Nurhasanah Nurhasanah Nurhasanah Nurhasanah Okto Ivansyah Pirdaus, Risky Marolop Prasetya, Irvan Nur Pratiwi, Elok Surya Randha Ayu Nurwulandari Rantika, Ika Rasmi Rasmi, Rasmi Reka Oktavina Rezeki, Desi Saputri Sri Rika Kurniasih Riza Adriat Rohmawati Metaningrum Safrilia, Putri Sarifah Sarifah Satria Putra, Yoga Siti Helmyati Susanti Susanti Tisar Dewi Pratiwi Umam, Fiki Husnial Vikki Vikki Winarsih Winarsih Yoga Satria Putra Yudha Arman Yuris Sutanto Yuris Sutanto Yusanneya Geulis Zulfian Zulfian Zulfian Zulkifli, Reynaldi