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All Journal Bulletin of Scientific Contribution : Geology Journal of Geoscience, Engineering, Environment, and Technology JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Journal of Geosciences and Applied Geology Society
Mochamad Nursiyam Barkah
Program Studi Teknik Geologi, Fakultas Teknik Geologi, Universitas Padjadjaran
Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Social Sciences

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Journal : Journal of Geoscience, Engineering, Environment, and Technology

 1 
Shallow Aquifer Groundwater Facies At Multiple Landuse Sites In Manglayang Volcanic Area, Jatinangor And Surroundings, Indonesia Bombom Rachmat Suganda; Wahyudi Yusuf; Mochamad Nursiyam Barkah; Cecep Yandri Sunarie; M. Sapari Dwi Hadian
Journal of Geoscience, Engineering, Environment, and Technology Vol. 6 No. 2 (2021): JGEET Vol 06 No 02 : June (2021)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2021.6.2.3315

Abstract

Manglayang Mountain is generally composed by old and young volcanic materials. Older rocks are located around the northern part of mountain peak, in medial and distal parts. In the southern and southeastern parts composed by relatively young volcanic rocks starting from the proximal, medial to distal. These geologic conditions produce diverse aquifer systems. These differences in land use environments contribute to water quality conditions in local shallow aquifers. The research is therefore carried out in order to the effect of difference in land use environments on groundwater facies by dividing the area based on each land use. Land use in the research area is dominated by allotment of agricultural land, settlement, and industry. The study was conducted from the medial area to distal to the southern part of Manglayang Mountain, administratively including Sukasari, Jatinangor, and Rancaekek districts. To observe the groundwater conditions in the aquifer from the study area, physical and chemical parameters were tested. Chemical parameter test results were plotted using piper diagrams and Durov diagrams as a method that can illustrate the condition of groundwater facies. Physical characteristics of groundwater may reflect groundwater interactions with rocks. Measurable TDS concentrations of 48 - 299 mg / L and measured EC 100 - 1020 μmhos / cm, show different interaction conditions between groundwater with rocks or have received different material subsidies. Similarly, the occurrence of temperatures that vary considerably between air and water indicates the distance of groundwater sources with various water bodies. The groundwater facies that developed in the research area are generally dominated by Ca, HCO3 in the agricultural land use area, Mg, HCO3 in the settlement area, and in some Cl-facing evolving places in the industrial land use zones. In addition, there are also indications of mixing of anions and cations in groundwater samples in all three land use areas. This indicates that there has been a change in groundwater characteristics in some areas of land use utilization in the research area
Groundwater Conservation Strategy Based on Water Balance at Muarabungo Groundwater Basin, Indonesia Mochamad Nursiyam Barkah; Fauziyah Hani; Bombom Rachmat Suganda; Munib Ikhwatun Iman; Cecep Yandri Sunarie; Mohamad Sapari Dwi Hadian
Journal of Geoscience, Engineering, Environment, and Technology Vol. 6 No. 3 (2021): JGEET Vol 06 No 03 : September (2021)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2021.6.3.3976

Abstract

Muarabungo Groundwater Basin,is locateed in Jambi and West Sumatra Province. Based on the four rainfall stations in Muaratebo, Dusun Rantau Pandan, Sungai Bengkal and Komplek Pengairan PU Station recorded in 2008 to 2011, the precipitation (ppt) in study area is 1799.09 mm/year. Value of evapotranspiration (Evpt) in the study area is equal to 1261.26 mm / year (70.1%). Groundwater Basin of Muarabungo has an infiltration debit of 2,516,791,750 m3 / year and run-off debit (Ro) of 798 042 638 m3 / year. Rock composer in the Muarabungo Groundwater Basin are dominated by Alluvium Deposition, Quaternary rocks, and also the surrounding areas are composed by igneous and metamorphic rocks. Aquifer with a good productvity can be found on Alluvium and sedimentary rocks such as tuff sandy, whereas region without exploitable groundwater are composed by igneous rocks and metamorphic rocks. Based on groundwater quality, Groundwater Basin is divided into 13 facies, namely Ca; Cl, ​​Mg; Cl, ​​Na + K, Cl, Ca; HCO3, Mg; HCO3, Na + K; HCO3, Ca; No. dominant type, Mg; Nodominan type, Na + K; No. dominant type, No. dominant type; Cl, ​​No. dominant type; HCO3, Nodominan type; SO4, and No. dominant type; No. dominant type. The result of water balance measurement in research area is used to show the areas for crisis and secure area. The water balance calculation and determining recharge and discharge areas are needed for developing conservation strategy.
Groundwater Resilience Study for Sustainable Tourism Development Through Electrical Sounding Method in Mansinam Island, Manokwari Regency, West Papua, Indonesia Aziz, Faishal; Nugraha, Bayu; M I, Teuku Yan Waliana; Restu, Abigail; Barkah, Mochamad Nursiyam; Hadian, Mohamad Sapari Dwi
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 3 (2024): JGEET Vol 09 No 03 : September (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.3.10917

Abstract

The sustainable exploitation of groundwater must be understood based on an understanding of geology and hydrogeological conditions. Water availability on small islands has limited reserves and is vulnerable to contamination. In addition, groundwater resources are vulnerable to decreasing groundwater levels in high abstraction without good management practices. Mansinam Island is one of the islands administratively located in Doreri Bay – Manokwari Regency for sustainable tourism development, which has an area of 410.97 Ha. The purpose of this research is to determine the condition and potential of groundwater in the Mansinam Island area. The geoelectric method is a technique that is widely used to characterize groundwater resources, which aims to identify the physical parameters of the subsoil and acquire information about its natural properties. The resistivity values obtained from the field measurement are thus interpreted and determined to be further correlated with geological characteristics as well as aquifer characteristics. On 11 geoelectric paths, good results are presented with a measurement depth of 20 – 23m. The northern area of the measurement on Mansinam Island has a resistivity value of 58.6 - 100Ωm for an aquifer layer containing groundwater potential with a groundwater level (MAT) of 12-20m and aquifer thickness of 3-8m. Meanwhile, the southern area of the geoelectric measurement has a resistivity value of 25.5-100Ωm for an aquifer layer containing groundwater potential, with a groundwater level of 6-12m and aquifer thickness of 8-16m. The southern segment of Mansinam Island has better potential for groundwater, with a relatively shallower depth and thicker aquifer than the northern segment.
Co-Authors AZIZ, FAISHAL Bayu Nugraha Bombom Rachmat Suganda Bombom Rachmat Suganda Bombom Rachmat Suganda, Bombom Rachmat Bombom Rahmat Suganda, Bombom Rahmat Bulqiah Ulfa, Ratu Cecep Yandri Sunarie Cecep Yandri Sunarie Cecep Yandri Sunarie, Cecep Yandri Dwi Hadian, Mohamad Sapari Fauziyah Hani Frini, Gisca Gia Hurruzia, Muhammad Fadhil Iskandarsyah, Teuku Yan Waliyana Muda Janner Rahmat Sudianto Nababan Krishna Yuliawati, Ayu Kurnia Arfiansyah, Kurnia M I, Teuku Yan Waliana M. Sapari Dwi Hadian Mafira Yuwandari Mochamad Gunardi Judawinata Mohamad Sapari Hadian Muda Iskandarsyah, Teuku Yan Waliana Muhammad, Azwar Satrya Munib Ikhwatun Iman Nadzif, Nor Farina Nanda Natasia Nurfitriani Nurfitriani, Nurfitriani Restu, Abigail Sapari Dwi Hadian, Sapari Dwi Sri Fatimah Taat Setiawan Teuku Yan Waliana Muda Iskandarsyah Trimo, Lucyana Trisnadiansyah, Mochamad Ridfan W M Iskandarsyah, Teuku Yan Wahyudi Yusuf Yosini Deliana Yudhi Listiawan