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All Journal POSITRON JGE (Jurnal Geofisika Eksplorasi) Jurnal Geosaintek Journal of Geoscience, Engineering, Environment, and Technology JTERA (Jurnal Teknologi Rekayasa) Spektra: Jurnal Fisika dan Aplikasinya Jurnal Geosains dan Teknologi Journal of Multidisciplinary Academic Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Abdi Masyarakat Indonesia Journal of Innovation Research and Knowledge Jurnal Geosaintek Global Review of Tourism and Social Sciences
Antosia, Risky Martin
Department Of Geophysical Engineering, Sumatera Institute Of Technology, Jalan Terusan Ryacudu, Way Huwi, Jati Agung, Kabupaten Lampung Selatan, Lampung, Indonesia
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Aquifer Assessment in the Capit Urang Tourist Area, Metro City: A Vertical Electrical Sounding Approach Sihombing, Josua Nico Batistuta; Hendriyastama, Kemas Daffa; Sipahutar, Andreas; Antosia, Risky Martin
Spektra: Jurnal Fisika dan Aplikasinya Vol. 11 No. 1 (2026): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 11 Issue 1, April 2026
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.111.01

Abstract

This study was conducted in the Capit Urang Tourist Area, Metro City, which is surrounded by rivers and faces problems with turbid well water that cannot be directly used. The research aims to identify subsurface conditions, especially aquifer thickness and depth, and to evaluate the possibility of deeper aquifers with better water quality. The Vertical Electrical Sounding (VES) method with a Schlumberger array was applied at six sounding points with a maximum AB/2 spacing of 100 m. Data were acquired using a Naniura resistivity meter, processed into apparent resistivity, and inverted with IPI2Win software. The results indicate four main subsurface layers with a resistivity pattern of ρ₁ < ρ₂ > ρ₃ < ρ₄. The first layer has a resistivity of 50–150 Ωm and is interpreted as topsoil with a thickness of less than 1.5 m. The second layer has a resistivity of 300–400 Ωm and is interpreted as gravel to a depth of about 6 m. The third layer, with resistivity of 40–70 Ωm, is interpreted as sandstone functioning as an aquifer with a thickness of 10–13 m to a depth of roughly 16 m. The fourth layer, with resistivity of 160–650 Ωm, is interpreted as impermeable bedrock. The aquifer is influenced by river infiltration, leading to turbid groundwater, while the limited electrode span prevented detection of deeper aquifers. Based on lithological interpretation, the aquifer system is classified as an unconfined to semi-unconfined aquifer. These findings provide a scientific basis for groundwater management and for future hydrogeophysical and hydrochemical investigations to improve water-supply sustainability in the Capit Urang Tourist Area.
Co-Authors Aganda, Riyanto Dedinta Akbar, Hendra Hidayat Al Farishi, Bilal Anas Fauzi Masykuri Andreas Maruli Pakpahan Andri Yadi Paembonan Angga Jati Widiyatama Bilal Al Farishi Depri Dhiba, Farah Dimas Setiawan Dimas Setiawan Ekawati, Gestin Mey Erlangga, Mokhammad Puput Faranabila, Syifa Farduwin, Alhada Farishi, Bilal Al Hendriyastama, Kemas Daffa Hissy Ijitiha Sari Hita Kirana Intan Adiani Putri Irawati, Selvi Misna Irawati, Selvi Misnia Muhammad Akhtar, Shan Muhammad Al Fiqri Idham Natalia, Happy Christin Naufal, Rifqi Andi Nugraha, Purwaditya Nur Hidayat Octafiani, Aulia Oryza Sativa, Amelia Pakpahan, Andreas Maruli Prima, Gilbert Purwaditya Nugraha Putri, Intan Andriani Putri, Uci Amelia Putu Pradnya Andika Rahadian, Zatalini Syadni Rahmadani, Putri Amindar Ramdan, Muhammad Reza Rizki Rhahmi Adni Pesma Ruhul Firdaus Santoso, Nono Agus Sari, Hissy Ijitiha Sihombing, Josua Nico Batistuta Sillak Hasiany Sipahutar, Andreas Syahputra, lan Darma Vigorous Raido Yudha Styawan