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All Journal POSITRON Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan JGE (Jurnal Geofisika Eksplorasi) Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Journal of Earth and Marine Technology (JEMT) Buguh: Jurnal Pengabdian Kepada Masyarakat Jurnal Penelitian Geografi (JPG) JIFP (Jurnal Ilmu Fisika dan Pembelajarannya) Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Rekayasa Geofisika Indonesia Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Nemui Nyimah
Rustadi ., Rustadi
Teknik Geofisika, Fakultas Teknik, Universitas Lampung
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Physics Social Sciences Transportation Other

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Geological Structure Identification Using GGMplus Satellite Gravity Data in The Area Surrounding Mount Tampomas Mazzaluna, Haidar Prida; Rustadi; Wibowo, Rahmat Catur
EKSPLORIUM Vol. 45 No. 1 (2024): MAY 2024
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/eksplorium.2024.6924

Abstract

Satellite gravity provides a new alternative in geological exploration with several advantages, such as low operational cost and large covering area. GGMplus satellite gravity data provide better accuracy for several applications such as lithology or fault identification. Satellite gravity provides a new alternative in geological exploration with several advantages, such as lower costs, broader area coverage, and easily accessible data. Mount Tampomas is one of the areas that has geothermal prospects and a mountain area that has many types of rock formations and faults. This research has been conducted using GGMplus satellite gravity data in the Mount Tampomas area to obtain the second vertical derivative (SVD) and identify the fault distribution in the area. The GGMplus Gravity Acceleration data was corrected and filtered to obtain SVD structures in the area. The structure in this area is dominantly trending northwest-southeast and west-east. The area around Mount Tampomas forms a structure in the form of a caldera. In addition, there are also structures trending north-south at coordinates 81500-82000 E. Some of these structures were overlaid with a geological map to see the suitability of the processed data with the geological conditions that have been studied. The comparison is done by overlaying the structure of the interpretation results and the contour of the value 0 from the Second Vertical Derivative (SVD) data so that we get four fault structures that correlate with the geological map, three calderas, and one lineament that correlates with the lineament map.
PENGEMBANGAN SUMUR PRODUKSI DAN INJEKSI DI LAHAN SAWAH PEKON AMBARAWA TIMUR, PRINGSEWU Rustadi; Darmawan, I Gede Boy
Nemui Nyimah Vol. 4 No. 1 (2024): Nemui Nyimah Vol.4 No.1 2024
Publisher : FT Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/nm.v4i1.132

Abstract

The development of shallow groundwater-based irrigation has been carried out by many farmers to meet water needs in sub-optimal land in Pekon Ambarawa Timur. Several wells have failed to obtain groundwater and others have decreased discharge which makes pumping costs uneconomic. Measurements across two 2D geoelectric trajectories have been made to obtain the presence of shallow aquifers. Data acquisition using the ARES instrument, Wenner Schlumberger configuration with a track length of 200 m and space between electrodes of 5 m. The results of sampling in two passes, the presence of aquifers formed lenses in the dominant environment of clay material at a depth of 2-30 m. In addition to being influenced by clay materials that are low permeable, there are also melts and intrusions forming some igneous rocks. To meet the purpose of irrigation sources, the manufacture of wells is placed in the presence of aquifer lenses. In addition to production, it can also be developed as an injection well-capturing puddles of rainwater filling shallow aquifers.
Karakterisasi infiltrasi area resapan Kecamatan Kemiling, Kodya Bandar Lampung melalui data spasial dan geolistrik Rustadi Rustadi; Sandri Erfani; Irfan Hanif
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 8 (2025): Prosiding Seminar Nasional Ilmu Teknik dan Aplikasi Industri (SINTA) 2025
Publisher : Fakultas Teknik Universitas Lampung

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Abstract

Kecamatan Kemiling menjadi andalan untuk resapan air hujan dan pembentukan air tanah di wilayah Kodya Bandar Lampung. Material tanah dan batuan bawah permukaan di daerah penelitian memiliki peran penting terkait dengan kemampuan untuk mengalirkan air hujan ke bawah permukaan dan membentuk air tanah. Penelitian menelaah karakter infiltrasi dan permeabilitas batuan bawah permukaan melalui pengukuran geolistrik sounding di lima titik pengukuran. Komposisi lapisan tanah di Kecamatan Kemiling tersusun oleh butiran halus dari piroklastik dan lempung, menghasilkan profil laju infiltrasi rendah 10-6 (cm/jam). Profil batuan bawah permukaan di lima lokasi pengukuran, terususn oleh batuan resistif lebih dari 150 Ohm m. Menyiratkan profil porositas dan permeabilitas batuan rendah. Terdapat batuan permeabel dengan resitivitas 38 – 50 Ohm m berasosiasi dengan material breksi vulkanik di kedalaman 80 – 90 m, di titik ukur 1, 4 dan 5. Profil material tanah dan batuan bawah permukaan di Kecamatan Kemiling, tidak sesuai untuk resapan alami.
Co-Authors Ahmad Z. Ahmad Z. Ahmad Zaenudin Alimuddin Muchtar Arief I. H Arief I. H Asri Wulandari Ayu Safira, Ayu Bagas Setyadi Bagus Sapto Mulyanto Cecep Sulaeman Darmawan, I Gede Boy Darmawan, I.G.B Deassy Siska Dewi, Soraya Tiana Dian Nur Rizkiani Eko Rananda Erfani, S Erfani, Sandri Fajriyanto Farduwin, A Gita Purna Rae Wanudya Gurum Ahmad Pauzi Helmy Fitriawan I Gede Boy Darmawan I Gede Yogi Suandana Ilham Dani Irfan Hanif Ivana Jayarani Karyanto, Karyanto Kukuh Dialosa Maria Nova NafTalita Mazzaluna, Haidar Prida Muchammad Farid Muh. Ishak Jumarang Nandi Haerudin Noor Muhammad Indragiri Opik Taufik Opik Taufik Purwadi Roy Bryanson Sihombing Rudi Zefrianto Sinambela Sinambela, Rudi Zefrianto Suharno Suharno Syamsurijal Rasimeng Tiara Andika Fadila Valentino Manurung, Andro Wibowo, Rahmat Catur Wilyan Pratama Yasa Suparman Yasrifa Fitri Aufia Zelica K. M. Manurung