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All Journal Bulletin of Scientific Contribution : Geology Journal of Degraded and Mining Lands Management Journal of Geosciences and Applied Geology
Muhammad, Azwar Satrya
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science

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Groundwater quality assessment in different volcanic rocks using water quality index in the tropical area, Indonesia Hendrayana, Heru; Riyanto, Indra Agus; Ismayuni, Novia; Nuha, Azmin; Muhammad, Azwar Satrya; Fadillah, Arif
Journal of Degraded and Mining Lands Management Vol. 11 No. 4 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.114.6225

Abstract

Groundwater is the main water source that is most widely used in the world, one of which is in Indonesia. One of the uses of groundwater is for consumption needs. Therefore, the groundwater used should have good water quality. For this reason, this study aimed to determine groundwater quality in Indonesia during the dry season and make recommendations for groundwater management policies. A total of 211 groundwater samples taken from springs, drilled wells, and dug wells spread across volcanic areas on the islands of Sumatra, Java, Bali, and Sulawesi were collected to test their quality in this research. The method used in this research consisted of 4 analyses: WHO threshold analysis, Piper Diagram, Water Quality Index (WQI), and statistical correlation and regression. Based on the analysis, it was discovered that 47 K+ samples, 1 Na+ sample, 5 Ca2+ samples, 1 Cl- sample, 115 HCO3- samples, 3 TDS samples, and 3 pH samples exceeded WHO standards. The results of the Piper triangle diagram analysis showed that the majority of groundwater in Indonesia falls into the Unpolluted Groundwater classification (categories D and G), and the results of the WQI analysis also showed that 98% of the groundwater in Indonesia analyzed falls into the excellent and good water categories. The results of statistical analysis of the parameters K+, Na+, Mg2+, Ca2+, SO42-, Cl-, HCO3-, TDS, and pH showed that all these parameters are strongly and positively correlated with the WQI value.
Hydrostratigraphic Assessment of Groundwater Flow System in Slopes of the Volcanic Mt. Talang, West Sumatera Muhammad, Azwar Satrya; Endyana, Cipta; Hendarmawan, .
Journal of Geological Sciences and Applied Geology Vol 2, No 3 (2017): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v2i3.15646

Abstract

Mount Talang is one of the active volcanos in Indonesia, it located at Kayu Aro District, Solok Regency, West Sumatera, Indonesia, and Mount Talang is part of Barisan Mountain and lies at Sumami segment which is part of the active Sumatera Fault. In groundwater flow, a fault zone can act as a sink, or as a barrier, when the fault zone highly permeable in relation to the host rock and the fault zone must trend so as to maximize its effects, preferably parallel with general trend of the groundwater flow. Six explorations well identified at the North West Slope of Mount Talang and only two explorations well productive to be converted as exploitation well, while the others dry. Base on the geological setting, the hypothesis is faults play the role for groundwater flow. Fault occurrence analyzed from the lithology of the Bore Log each well by developed 2D hydrostratigraphic model.  Keywords: Groundwater, Hydrostratigraphy, Borehole, Volcanic.
KARAKTERISTIK AIR TANAH PADA AKIFER VULKANIK DI LERENG TENGGARA GUNUNG PULOSARI, PANDEGLANG, PROVINSI BANTEN Listiawan, Yudhi; Hadian, Mohamad Sapari Dwi; Muda Iskandarsyah, Teuku Yan Waliana; Muhammad, Azwar Satrya; Barkah, Mochamad Nursiyam
Bulletin of Scientific Contribution Vol 18, No 1 (2020): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (532.671 KB) | DOI: 10.24198/bsc.v18i1.27090

Abstract

Gunung Pulosari merupakan Gunung Api strato yang terletak di daerah Pandeglang Provinsi Banten. Daerah penelitian disusun oleh batuan vulkanik yang memiliki potensi air tanah yang besar. Masih sedikitnya ekploitasi air tanah, membuat daerah di sekitar Gunung Pulosari ini menarik untuk diteliti kondisi hidrogeologinya.Tujuan dari penelitian ini adalah menentukan karakteristik air tanah berdasarkan sifat fisik dan kimia air tanah serta kaitannya dengan kondisi geologi yang berkembang di daerah penelitian dengan melakukan pemetaan hidrogeologi. Dari hasil pemetaan hidrogeologi dan didapatkan sebanyak 13 lokasi pengamatan yang terdiri 10 mata air dan 3 sumur gali. Sifat fisik air menunjukan karakteristik yang homogen, nilai Daya Hantar Listrik (DHL) 60 sampai 190 μS/cm, Zat Padat Terlarut (ZPT) dari 20 sampai 90 mg/L, pH dari 4,7 sampai 8,2 dan suhu air dari 25 sampai 26,9 oC.  Sebanyak 5 sampel dilakukan uji kimia air tanah untuk di analisis fasies kimia air dengan diagram triliniear Piper.Dari hasil penelitian didapatkan fasies kimia air tanah di daerah penelitian didominasi oleh Ca:HCO3 dan satu lokasi (P-3) Ca.Na:HCO3. Hal ini mengindikasikan bahwa air tanah masih dipengaruhi oleh kondisi permukaan dan sistem alirannya masih bersifat lokal.
Co-Authors Arif Fadillah Cipta Endyana Hendarmawan, . Heru Hendrayana Ismayuni, Novia Mochamad Nursiyam Barkah Mohamad Sapari Hadian Muda Iskandarsyah, Teuku Yan Waliana Nuha, Azmin Riyanto, Indra Agus Yudhi Listiawan