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Identification of Aquifer Vulnerability to Pollution Based on GIS in Jekan Raya and Sabangau Districts Palangka Raya City, Central Kalimantan Province Prayetno Prayetno; Hendrik Segah; Deddy NSP Tanggara
Journal of Social Research Vol. 2 No. 11 (2023): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v2i11.1538

Abstract

Groundwater is the main source of needs for living things. Groundwater is stored in aquifer systems contained in the soil. Under certain conditions, aquifers will be very vulnerable to pollution that can be caused by various sources of pollution depending on existing geological conditions. Therefore, it is necessary to identify the vulnerability of aquifers to polluting sources so that they can assist the government in planning and formulating policies related to regional spatial planning. Identification of aquifer vulnerability can be done using the DRASTIC method which is a weighting method of various parameters such as groundwater table depth (D), Rainfall (R), aquifer media (A), soil media (S), Topography (T), Unsaturated zone (I), and hydraulics conductivity (C) and combined with HAI (Human Activity Impact). The weighting results will produce a Static and Dynamic Aquifer Vulnerability Map. The two maps will be stacked with the Spatial Plans of Palangka Raya City so that it is expected to be a consideration for the Palangka Raya City government in the preparation of the next Regional Spatial Planning policy. The results of weighting with the DRASTIC Index and HAI whole Jekan Raya District and Sabangau District, Palangka Raya City are included in a high level of vulnerability which at this level is an area that is very easy to be polluted by all pollutants, so proper handling is needed so that the impact that will be caused is not too high risk for the condition of aquifers in the area.
PERHITUNGAN POTENSI BATUAN BEKU SEBAGAI BAHAN MATERIAL INFRASTRUKTUR SIPIL MENGGUNAKAN ArcGIS SURFACE VOLUME: ESTIMATING POTENTIAL OF IGNEOUS ROCK AS A CIVIL MATERIAL INFRASTRUCTURE USING ArcGIS SURFACE VOLUME Wita Kristiana; Deddy NSP Tanggara
JURNAL TEKNIK PERTAMBANGAN Vol. 24 No. 1 (2024): Februari 2024
Publisher : JURUSAN TEKNIK PERTAMBANGAN UPR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jtp.v24i1.12370

Abstract

Kuala Kurun merupakan Ibukota Kabupaten Gunung Mas yang memiliki luas 10.804 Km2 dan merupakan kota yang tengah berkembang dengan pesat, baik dari segi ekonomi, maupun infrastruktur. Hal tersebut tentunya membutuhkan dukungan berbagai sektor, antara lain ketersediaan bahan baku bagi proses pembangunan fisik. Selama sejarah kota Kuala Kurun, kuari lokal merupakan pemasok utama bahan bangunan berupa batu belah yang digunakan untuk kepentingan pembuatan pondasi bangunan dan bahan perkerasan jalan. Batuan tersebut merupakan batuan beku andesit.  Perkembangan tersebut melatarbelakangi diadakannya penelitian ini, yaitu kajian mengenai potensi sumberdaya alam berupa bahan galian batuan beku andesit di daerah penelitian. Hasil perhitungan sumberdaya dengan menggunakan alat bantu program ArcGIS menunjukkan potensi di areal yang diestimasi memiliki ketersediaan sumberdaya sebesar 2.179.729 m3 atau 5.885.268 ton. Kata Kunci : Kuala Kurun, sumberdaya, batuan beku, infrastruktur.