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All Journal Phi : Jurnal Pendidikan Fisika dan Terapan JGE (Jurnal Geofisika Eksplorasi) Gravitasi Journal of Aceh Physics Society Jurnal Geosaintek JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX Jurnal Geocelebes Jurnal Geosains dan Teknologi Journal of Multidisciplinary Academic Jurnal Teori dan Aplikasi Fisika Jurnal Geofisika Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) International Journal of Renewable Energy Development Jurnal Geosaintek Jurnal Berkawan
Andri Yadi Paembonan
Geophysical Engineering, Sumatera Institute Of Technology, Lampung Selatan,35365, Indonesia
Agriculture, Biological Sciences & Forestry Astronomy Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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IDENTIFIKASI LAPISAN BAWAH PERMUKAAN MENGGUNAKAN METODE ELECTRICAL RESISTIVITY TOMOGRAPHY DI KAWASAN LAPANGAN BASEBALL ITERA Paula Sisoada Tobing; Andri Yadi Paembonan
Jurnal Geosaintek Vol. 12 No. 2 (2026)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v12i2.8987

Abstract

Keberadaan potensi air tanah turut berperan dalam perkembangan infrastruktur di Institut Teknologi Sumatera (ITERA). Salah satu kawasan yang dicanangkan untuk dijadikan Sport Center ITERA adalah kawasan lapangan baseball. Penelitian ini dilakukan untuk memenuhi kebutuhan air berkelanjutan di kawasan tersebut dengan tujuan utama menduga potensi akuifer menggunakan metode Electrical Resistivity Tomography (ERT). Metode ini digunakan pada empat lintasan survei di kawasan Lapangan Baseball ITERA dengan konfigurasi elektroda dan titik pengukuran yang berbeda untuk mendeteksi variasi resistivitas bawah permukaan. Akuisisi data menggunakan konfigurasi Wenner-Schlumberger, Wenner-Alpha, Wenner-Beta, dan Dipole-Dipole, yang diproses menggunakan perangkat lunak RES2DINV. Hasil interpretasi resistivitas mengindikasikan bahwa zona akuifer di daerah penelitian dikontrol oleh batupasir tufan (40-90 Ωm). Sedangkan lapisan pembatas (akuiklud/akuitard) diinterpretasikan sebagai batulempung tufan (<40 Ωm) dan lapisan kedap air diinterpretasikan sebagai tuf (>90 Ωm). Lintasan 1, 2 dan 4 mengidentifikasi potensi akuifer pada kedalaman rata-rata 19,8–31,2 m dengan rentang resistivitas 40–90 Ωm diinterpretasikan sebagai batupasir tufan. Lintasan 3 tidak memiliki potensi akuifer, melainkan adanya tuf yang sangat luas pada kedalaman 15–46 m, dengan resistivitas >90 Ωm, Studi ini memberikan data dasar saintifik yang esensial untuk pengelolaan sumber daya air tanah yang berkelanjutan di lingkungan kampus ITERA.
Electrical Resistivity Imaging on Limestone Formation for Aquifers Identification in Poguwatu Village, Central Sumba Nareswari, Aulia; Paembonan, Andri Yadi; Ruchimat, Acep
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.35101

Abstract

Poguwatu Village in Central Sumba Regency is a dry area characterized by low rainfall and dominated by carbonate rocks, resulting in limited surface water availability and posing a persistent challenge for groundwater exploration. This study presents the first subsurface investigation using the Dipole-dipole resistivity geoelectrical method to characterize aquifer-bearing rock conducted in Poguwatu Village, West Cendana. This method has the ability to identify the conductor zone related to the saturation area where the water accumulated. Measurements were conducted along 5 survey lines, where each line has 620 m length, except Line 5 extending to 880 m, with 10 m electrode spacing. The measured data calculate in apparent resistivity value and then invert to true resistivity using least-square inversion processes. The result yielded RMS errors ranging from 17.7% to 24.8%. The inversion results identified four rock units based on resistivity values, sandy limestone saturated with saline water (< 2.0 Ωm), marl (2.0–32.0 Ωm), fractured or sandy limestone (32.0–128.0 Ωm), and compact limestone (>128.0 Ωm). A seepage with thickness ± 2 m was identified on Line 2 within the fractured/sandy limestone, bounded below by an impermeable marl. Compact limestone, with very low porosity and permeability, dominates in most of the study area and functions as an aquifuge, a finding corroborated by a dry borehole on Line 5 that failed to yield groundwater. These results indicate limited groundwater potential across Poguwatu Village, and further investigation into alternative water sources from surrounding areas is recommended for the community's water supply.
Co-Authors Alamshah, Muhammad Amin, Fadhlan amin Andika, Putu Pradnya Antosia, Risky Martin Anwar Udin Sayfulloh Asido Saputra Sigalingging Azman Munthoha Maula D.R. Febriansanu Dahlila, Dea Dharma, Dian Budi Dwi Miftha Kurnia Ekawati, Gestin Mey Erlangga Ibrahim F. F. D. Putra Faisal Abdullah Farduwin, Alhada Fedy Darma Wijaya Waruwu Felik Destian Putra Felik Destian Putra Amijaya Fernanda, Leonardo Fitri Rusmaladewi Friska Hasugian Ghani, Azman Abdul Hendra Saputra Hikhmadhan Gultaf Irawati, Selvi Misna Irawati, Selvi Misnia Jaya, Muhammad Rendi Junian, Wahyu Eko Laesanpura, Agus Lea Kristi Agustina Lita Maharani Luhut Pardamean Siringoringo M. Strack, Kurt Maharani, Lita Manurung, Sarah Maria R.P. Sudibyo Marwan Marwan Muhammad Arief Wicaksono Muhammad Ridha Adhari, Muhammad Ridha Muhammad Rifqi Dwi Septian Muhammad Yanis Muhammad Yusuf Muzakir Nainggolan, Boy Fernando Grace Nareswari, Aulia Nathania, Edlyn Yoadan Nugraha, Gartika Pahri, Pahri Paula Sisoada Tobing Purwaditya Nugraha Putra, Felik Destian Putri Agustryani Putri, Uci Amelia R. E. Sinaga Randy Kurniawan Reza Rizki Reza Rizki Rinaldi Idroes Rozi Afdi Ruchimat, Acep Ruhul Firdaus Rumansah, Raka Putra Pratama Santoso, Nono Agus Sigalingging, Asido Saputra Sitorus, Dorlensa Situmorang, Vivin Julianty Stevy Canny Louhenapessy Suhendi, Cahli V. Rahmanda Virgian Rahmanda Virgian Rahmanda