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Barasa, Habel
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Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Litologi Daerah Rawan Banjir Di Desa Batik Nau Dengan Menggunakan Metode Vertical Electric Sounding (VES) Barasa, Habel; Suhendra, Suhendra; Gustan, Nesti Fazeza; Halauddin, Halauddin
Jurnal Fisika Unand Vol 14 No 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.2.117-123.2025

Abstract

This study was conducted to determine the type of rock lithology in Batik Nau village to see its effect on flooding during the rainy season. The study was conducted using the Schlumberger Configuration with the Vertical Electrical Sounding (VES) method at 30 sounding points. VES data collection in this study used the X612-EM MULTI-CHANNEL RESISTIVIMETER. Furthermore, to obtain a 1D log image, Progress 3.0 software was used and then analyzed to be interpreted against the geological map of the research area. The rock porosity value was obtained using the Achi formula using Microsoft Excel software. The results of the interpretation that most of the Batik Nau Village area is dominated by Clay and Napal rocks, both rocks have very low average porosity values ​​so that they are saturated with water. Rock lithology that cannot absorb water perfectly or is in a state of saturation makes this area prone to flooding during the rainy season.
Identifikasi Potensi Daerah Rawan Banjir Berdasarkan Nilai Resistivitas dan Porositas Batuan Dengan Menggunakan Metode VES di Desa Batik Nau Kabupaten Bengkulu Utara Fazeza, Nesti; Suhendra, Suhendra; Barasa, Habel; Halaudin, Halaudin
Jurnal Fisika Unand Vol 13 No 3 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.3.343-350.2024

Abstract

Penelitian dilakukan di Desa Batik Nau,Kabupaten Bengkulu Utara, yang rentan terhadap banjir. Fokus penelitian ini adalah mengidentifikasi resitivitas dan porositas batuan serta kondisi geologi untuk menilai potensi daerah yang rentan terdampak banjir.Dengan menggunakan konfigurasi Schlumberger untuk Metode Vertical Electrical Sounding (VES) pada 30 titik penelitian di sepanjang daerah rawan banjir. Data utama diperoleh menggunakan alat Geolistrik IP Meter MAE X612-EM, kemudian diproses dengan perangkat lunak Progress 3.0 untuk menghasilkan gambaran Resistivity Log 1D,yang kemudian diinversikan dan dianalisis untuk menyesuaikan dengan peta geologi. Selanjutnya dilakukan analisis matematis secara 3D dengan menggunakan perangkat lunak Voxler 4.0 untuk mendapatkan hasil gambaran porositas secara lapisanan. Hasil interpretasi menunjukkan bahwa lapisan bawah permukaan tanah di Desa Batik Nau rata – rata di penuhi dengan batuan alluvium yang berjenis lempung(tanah liat), kerikil pasiran, dan napal. Porositas yang memiliki rata-rata rendah, menunjukkan bahwa daerah penelitian ini cenderung jenuh terhadap udara, sehingga menyebabkan terakumulasi saat musim hujan.
Co-Authors Fazeza, Nesti Gustan, Nesti Fazeza Halauddin Halauddin Halaudin, Halaudin Suhendra Suhendra