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All Journal International Journal of Social Service and Research Jurnal Impresi Indonesia Jurnal Geografi LIngkungan Tropik (Journal of Geography of Tropical Environments)
Saputra, Deni Rahman
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Religion Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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ASSESSMENT OF THE GROUNDWATER RECHARGE POTENTIAL AREAS USING GIS IN KAJOR KULON HAMLET, SELOPAMIORO, IMOGIRI, BANTUL, YOGYAKARTA Saputra, Deni Rahman; Yudono, Andi Renata Ade; Partoyo, Partoyo
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

Groundwater balance occurs in the presence of recharge and discharge. The process of entering the water in soil takes place with an infiltration-percolation to aquifers. The groundwater recharge area is identified by lithology, land use, slope, rainfall, land, and landform. Kajor Kulon Hamlet, Selopamioro Village, Imogiri Sub-district, Bantul Regency, Special Region of Yogyakarta becomes an area with hilly morphology, active fault areas, and including drought-prone regions. Change of the land function in hilly areas by making settlements and un-irrigation field for farming may cause decreased ability as a recharge area. Research aim sare to assessing, determining, and analyzing the conditions of the establishment in the research area. The variables used include land use, the slope of the land, rainfall, and soil texture as thematic maps to analysis its land ability. Data collection methods are measurement, inquiry, and mapping. Furthermore, the method of analysis is based on the Geographic Information Systems (GIS) with scoring-weighted overlay method. The results showed the classification of the between low, medium, and high. The medium class is currently occupying 67% of the area in the research area with an area of 719,916.03 m2 . The distribution of each class is expressed through the groundwater recharge area map. The GIS is very efficient and effective in facilitating groundwater recharge area analysis
ASSESSMENT OF GREENHOUSE GAS (GHG) EMISSION LEVELS IN THE COAL MINING SERVICES SECTOR AT PT ANTAREJA MAHADA MAKMUR Saputra, Deni Rahman; Triwibowo, Anton; Batubara, Haris Fadhillah
International Journal of Social Service and Research Vol. 4 No. 12 (2024): International Journal of Social Service and Research
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/ijssr.v4i12.1158

Abstract

The mining industry has a major influence on the increase in greenhouse gas (GHG) emissions in Indonesia, especially deforestation activities and the use of fossil energy. This makes it important to study the level of greenhouse gas emissions of a mining company so that it can determine the mitigation of reducing GHG emissions released. The research aims to assess the greenhouse gas emission levels in the coal mining services sector at PT Antareja Mahada Makmur. The study provides valuable insights into the environmental impact of coal mining activities, which is crucial for informing sustainable practices and regulatory compliance. The results of this analysis show a significant increase in total A2B and stationary sources (generators) from October 2023 to September 2024 as a source of immobile emissions. The analysis shows that carbon dioxide (CO2) gas is the most dominant component in total emissions from mobile sources (A2B). The findings of this study highlight the importance of mitigation efforts, such as improving energy efficiency and the integration of renewable energy sources, in reducing emissions in the mining sector. This research could help identify gaps and propose improvements to support companies in their mitigation efforts.
Assessment of Greenhouse Gas (GHG) Emissions in the Coal Mining Services Operations of PT Antareja Mahada Makmur Saputra, Deni Rahman; Hardini, Probo; Hernayanti, Hernayanti
Jurnal Impresi Indonesia Vol. 5 No. 4 (2026): Jurnal Impresi Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jii.v5i4.7730

Abstract

The mining industry plays a substantial role in driving the increase of greenhouse gas (GHG) emissions in Indonesia, particularly through deforestation and the intensive use of fossil fuels. Consequently, evaluating GHG emissions from mining companies is essential for determining appropriate mitigation strategies. This study aims to assess the greenhouse gas emission profile within the coal mining service operations of PT Antareja Mahada Makmur. The assessment provides important insights into the environmental footprint of coal mining activities, which serve as a basis for guiding sustainable operational practices and ensuring compliance with environmental regulations. The findings indicate a notable escalation in total emissions from both mobile sources over the period from January 2025 to December 2025. Carbon dioxide (CO?) was identified as the predominant greenhouse gas emitted, especially from mobile equipment operations. These results underscore the urgency of implementing targeted mitigation measures, including enhancing energy efficiency and integrating renewable energy alternatives, to reduce the sector’s overall emission levels. Furthermore, this research offers valuable contributions in identifying emission-related challenges and proposing improvements that support corporate efforts toward achieving GHG reduction targets.
Co-Authors . HERNAYANTI Andi Renata Ade Yudono Batubara, Haris Fadhillah Partoyo, Partoyo Probo Hardini Triwibowo, Anton