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All Journal INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) International Journal of Hydrological and Environmental for Sustainability
Abdul Latif Ashadi
Universitas Muhammadiyah Surakarta
Agriculture, Biological Sciences & Forestry Astronomy Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology Physics

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Application of Mine Dewatering Methods to Reduce Wastewater Pollution in The Environment: Implications for Andesite Mining A.A Inung Arie Adnyano; Rizqi Prastowo; Muhammad Nauval Bahy; Syouma Hikmahtiar; Ahmad Said; Abdul Latif Ashadi
International Journal of Hydrological and Environmental for Sustainability Vol. 1 No. 1 (2022): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1162.692 KB) | DOI: 10.58524/ijhes.v1i1.68

Abstract

Wastewater pollution in mining areas often occurs and becomes a problem in the surrounding groundwater aquifer system. One of the efforts to determine the distribution of wastewater pollution is to calculate the discharge and volume of wastewater. In this study, an open channel in the form of a ditch or commonly referred to as a drainage system is carried out to determine the total water discharge entering the research location, design the dimensions of the sump and design the optimal cross-sectional dimensions of the ditch to overcome the discharge of water that comes out and pollutes the environment. The method used is to make an open channel in the form of a trapezoid to be used around the andesite rock mining site which then drains the mine water to the setlingpond. Efforts to drain the water that has entered the main sump (mine dewatering system) are carried out by making wells, after which the waste water is channeled into the settling pond using a pump. From the results of the study, information was obtained that the total water discharge entering the sump was 235,175 m so that the volume of the sump made was 300 m with dimensions of top area: 20m x 10m, bottom area: 10m x 10m, with a depth of 2m for total water discharge for ditches. 0.0237 m so that the volume of the trench made is 0.228 m.
Three-dimensional Magnetotelluric Inversion and Magnetic for The Characterization of The Geothermal Field Reservoir Zone “X” Ridho Hanan Asrowi; Yunus Daud; Abdul Latif Ashadi; Syouma Hikmahtiar; Ahmad Said
International Journal of Hydrological and Environmental for Sustainability Vol. 2 No. 3 (2023): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v2i3.301

Abstract

Geothermal as an alternative energy source that is renewable and environmentally friendly has an important role in providing domestic energy needs. Exploration is one of the most important stages in the development of geothermal energy because it can minimize the risk at the stage of exploitation and development. Geophysical methods such as geomagnet and magnetotelluric are one of the methods used in exploration. Magnetic method can provide information on the description of rock demagnetization due to the presence of heat source. However, the magnetotelluric method will provide information about rock type resistance on geothermal fields. The existence of heat source using the geomagnetic method is represented by a low anomaly value as an indication of demagnetized rocks. The results of 3D inversion processing show a low value of type resistance in the area and form an updome. The correlation of the two results of processing the data can be seen in the southern part of the "X" geothermal field research area. Based on 3D Inversion modeling it can be seen the depth of the "X" Base of Conductor (BOC) geothermal system ranges from 1000 m to -800 m with resistivity ≤ 10 Ωm which is suspected as volcanic rocks. Geothermal reservoir is at a depth of 1000 m to -2000 m with a moderate resistivity of 40 - 60 Ωm which is suspected as an andesite volcanic rock, with temperature estimates ranging from 218o C to 255o C.
Analisis Perubahan Penggunaan Lahan di Kecamatan Argomulyo Kota Salatiga Tahun 2015, 2020, dan 2025 Dhefani Wahyu Aji Saputra; M. Iqbal Taufiqurrahman Sunariya; Aziz Akbar Mukasyaf; Abdul Latif Ashadi
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 3 (2026): August
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i3.2463

Abstract

Argomulyo District is a peri-urban area of Salatiga City, Indonesia, experiencing intensive urbanization pressure and designated as an industrial, residential, and sports development zone under Regional Regulation No. 3 of 2023. This study aims to analyze land use change patterns in 2015, 2020, and 2025, and to identify the factors driving these changes. A Random Forest classification algorithm was applied to Sentinel-2 MSI imagery via Google Earth Engine, complemented by in-depth interviews with ten stakeholder informants. Classification accuracy yielded an Overall Accuracy of 97.26% and a Kappa coefficient of 0.9189. During 2015–2025, residential areas expanded by 66.59 ha (31.32%), industrial zones by 5528 ha (23.38%), and agricultural land contracted by 121.87 ha (9.02%), with identical growth rates across both five-year periods indicating structured expansion. Three driving factors were identified: industry-induced demographic pressure generated by a dominant large-scale labor-intensive industrial tenant, progressive industrial investment carrying single-tenant dependency risk, and spatial planning policies that rationalize rather than control ongoing land conversion. Formal permitting compliance proved an inadequate proxy for measuring the effectiveness of land conversion control. These findings indicate that spatial planning instruments in peri-urban areas tend to function as ex-post legitimization of land conversion rather than as effective ex-ante control mechanisms, underscoring the need for spatial-data-driven monitoring frameworks in peri-urban land governance. Strengthening agricultural land protection through legal establishment of a Sustainable Food Agricultural Zone, stricter spatial detail plan instruments, and periodic remote sensing-based monitoring is recommended.
Gravity Interpretation of Mud Volcano based on Satellite Data (Study Case Kuwu and Cangkring Mud Volcano) Rina Dwi Indriana; Mariyanto Mariyanto; Eleonora Agustin; Mimin Iryanti; Cahyo Aji Hapsoro; Sorja Koesuma; Abdul Latif Ashadi
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 14, No 1 (2024): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v14i1.84933

Abstract

A mud volcano is one type of mountain in the world. Mud volcano has specific characteristics. In Java, several mud volcanoes spread from west to east of Java. Bledug Kuwu and Bledug Cangkring are mud volcanoes in Central Java. Research on the Bledug Kuwu and Cangkring mud volcanoes systems was not done. In this preliminary study, the gravitational field analysis of the Kuwu-Cangkring mud volcano system was done by using GGmPlus satellite data with a 220 m grid and elevation data using ERTM. Free air anomaly data processing obtained a complete Bouguer anomaly value of 23 to 34 mGal. The separation process of anomalies using the upward continuation method produces a local of -0.5 to 0.5 mGal and a regional of 23 mGal to 34 mGal. The local anomaly value of Bledug Kuwu was -0.275 to - 0.05 mGal and Bledug Cangkring-0.125 to 0.1 mGal. The local anomaly around Bledug Cangkring is higher than Bledug Kuwu, indicating a lower density beneath Bledug Kuwu than in Cangkring.
Co-Authors A.A Inung Arie Adnyano Ahmad Said Aziz Akbar Mukasyaf Cahyo Aji Hapsoro Dhefani Wahyu Aji Saputra Eleonora Agustin M Iqbal Taufiqurrahman Sunariya Mariyanto Mariyanto Mimin Iryanti Muhammad Nauval Bahy Ridho Hanan Asrowi Rina Dwi Indriana Rizqi Prastowo Sorja Koesuma Syouma Hikmahtiar Yunus Daud