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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 Journal of Multidisciplinary Academic Jurnal Abdi Masyarakat Indonesia
Antosia, Risky Martin
Department Of Geophysical Engineering, Sumatera Institute Of Technology, Jalan Terusan Ryacudu, Way Huwi, Jati Agung, Kabupaten Lampung Selatan, Lampung, Indonesia
Aerospace Engineering Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences

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Journal : Journal of Multidisciplinary Academic

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Identification of Aquifer, Ground Water-Bearing Rock, using Vertical Electrical Sounding (VES): East Lampung Case Study Intan Andriani Putri; Risky Martin Antosia; Alhada Farduwin; Reza Rizki; Yudha Styawan; Sillak Hasiany
Journal of Multidisciplinary Academic Vol 7, No 1 (2023): Science, Engineering and Social Science Series
Publisher : Penerbit Kemala Indonesia

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Abstract

A one-dimensional geo-electrical method using Vertical Electrical Sounding (VES) has been carried out to model lithology and identify an aquifer, a water-bearing rock, in East Lampung to provide the water needs of the poultry breeding industry (PT. X) that is going to be established in the near future. Two VES points had been surveyed using Schlumberger electrode configuration to achieve good depth penetration and good vertical resolution. Geophysical modeling is not unique, overcoming this issue could be done using a global inversion method. A global inversion technique called Particle Swarm Optimization (PSO) was performed to create more reliable subsurface lithology, resulting in around 5 – 11% errors. The PSO algorithm deployed here took 1.000 particle numbers with ω=0.8; αl=1.8; and αg=2. The result shows that the study area’s lithology consists of Tuff, Sandy Tuffaceous, and Shaley Tuff. Sandy Tuffaceous is identified as a confining aquifer zone. There are two potential aquifer zones, Aquifer I and Aquifer II. Aquifer II has more potential as water resources of the industry due to its thickness, moreover, it is topped by impermeable Shaley tuff that prevents local climate effects such as rain that could decrease water quality.
Co-Authors Akbar, Hendra Hidayat Andreas Maruli Pakpahan Angga Jati Widiyatama Bilal Al Farishi Dimas Setiawan Ekawati, Gestin Mey Erlangga, Mokhammad Puput Farduwin, Alhada Farishi, Bilal Al Hissy Ijitiha Sari Intan Adiani Putri Irawati, Selvi Misnia Muhammad Ramdan Natalia, Happy Christin Purwaditya Nugraha Putri, Intan Andriani Reza Rizki Rhahmi Adni Pesma Ruhul Firdaus Santoso, Nono Agus Sillak Hasiany Yudha Styawan