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Groundwater Aquifer Analysis Using the Schlumberger Configuration Vertical Electrical Sounding Resistivity Method with Dar Zarrouk Parameters in the Komplek Perkantoran Gunung Merah Sentani Kareth, Zakaria Victor; Flassy, Reinhard V.
Jurnal Fisika Papua Vol. 4 No. 1 (2025): Jurnal Fisika Papua
Publisher : Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jfp.v4i1.214

Abstract

A study has been conducted using the Vertical Electrical Sounding (VES) method of Schlumberger configuration and Dar Zarrouk parameters which aims to determine the range of resistivity values of the subsurface layer, the depth of the groundwater aquifer layer, the thickness of the water aquifer layer and the range of Dar Zarrouk parameter values at the research site. The research location is in the office complex of Gunung Merah Sentani, Jayapura Regency as many as four sounding points with a maximum length of 175-300 meters. The results of this research show that the VES 1 point has two aquifer layers with a depth range of 4 - 7 meters and 14-31 meters. which is a fragment of Gneiss rock containing sand, gravel and clay. The resistivity values ​​of each aquifer layer are 26-45 Ωm and 16 Ωm respectively. At VES point 2, the inversion model parameters show that there are three aquifer layers in the depth range of 2 - 4 meters, 7 - 13 meters and 30 - 91 meters. And the resistivity values ​​of each aquifer are 6, 13 and 35 Ωm. At VES point 3, the inversion model parameters show that there are two aquifer layers in the depth range of 5 - 16 meters and 25 - 66 meters with resistivity values ​​for each aquifer layer of 15 and 22 Ωm respectively. At VES point 4, the inversion model parameters show that there are two aquifer layers in the depth range of 3 - 5 meters and 7 - 20 meters with the resistivity values ​​for each aquifer layer being 24 and 7 Ωm respectively.
Penerapan Teknologi Reverse Osmosis Berdaya Panel Surya Untuk Pemurnian Air Sumur dalam Rangka Penyediaan Air Bersih di SDN Inpres Arso X: Proyek Percontohan Asmuruf, Frans Augusthinus; Assa, Inriyanti; Mandik, Yohanis Irenius; Poli, Ivonne; Kareth, Zakaria Victor
JURNAL PENGABDIAN PAPUA Vol 9 No 1 (2025)
Publisher : LPPM Uncen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jpp.v9i1.4497

Abstract

The Community Service (PkM) activity has been carried out with the PkM partner, SD Negeri Inpres Arso X, in Keerom District, Papua, Indonesia. The issue faced by the PkM partner is its dependence on well water as the primary source of water for daily activities. However, the well water does not meet hygiene standards and is contaminated by bacteria, chemicals, or other pollutants that pose health risks, especially for children. Additionally, the limited access to electricity in Arso X creates a need for alternative power to operate the water purification system. This PkM activity aims to address these issues by implementing a solar-powered Reverse Osmosis system to purify the well water owned by the PkM partner. The PkM activities consist of three stages. First is the preparation stage, where the PkM team surveyed the location and interviewed the PkM partner. The next step involved designing the solar panel mounts, the RO system, and supporting electrical components. During the implementation stage, the PkM team conducted awareness sessions via short interactive lecture on the importance of clean water and the role of renewable energy, followed by a demonstration of water purification using solar-powered RO technology. The monitoring and evaluation phase showed that the PkM partner has benefited from the application of the solar-powered RO technology. Furthermore, regular maintenance of the RO system and solar panels is necessary.