Identifikasi Lapisan Akuifer Menggunakan Metode Geolistrik Resistivitas Konfigurasi Wenner-Schlumberger di Desa Benteng, Kabupaten Pangkajene dan Kepulauan
DOI:
https://doi.org/10.24252/jft.v13i1.67180Keywords:
Aquifer, Benteng Village, Geoelectrical, Resistivity, Wenner-SchlumbergerAbstract
This study aims to map the distribution of subsurface resistivity values to identify the existence of water-bearing zones or aquifers in Benteng Village, Pangkajene and Islands Regency. Meeting the need for clean water in coastal areas is often hampered by the threat of seawater intrusion and the complexity of subsurface geological structures. The method used in this research is 2D geoelectrical resistivity with a Wenner-Schlumberger configuration on a single measurement line 174 meters long. Data were processed through an inversion process using Res2dinv software to produce a resistivity cross-section up to a depth of 35 meters. The results showed three main layers based on their resistivity values: a water-saturated clay layer (3.17–8.78 Ωm), silty clay (8.79–16.4 Ωm), and a freshwater-saturated sandstone layer (16.5–45.6 Ωm). The sandstone layer acting as the main aquifer was found at a depth of 5–35 meters, primarily dominating the eastern part of the track. Based on the geoelectrical cross-section, it is recommended to drill wells at a depth of 15–35 meters to obtain an optimal clean water source.
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Copyright (c) 2026 Nur Hidayat Nurdin, Muhammad Fawzy Ismullah Massinai, Hasnan Sutadi, Andi Syam Rizal, Amirin Kusmiran, Minarti
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