Karakteristik Isotop 18o Dan 2h Dari Beberapa Mataair Panas Di Jawa Barat

Satrio, Satrio; Prasetio, Rasi; Sidauruk, Paston

doi:10.14203/risetgeotam2020.v30.1090

Cited by 3 publications

(3 citation statements)

References 8 publications

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“…In the hydrological cycle, isotopes 18 O, and 2 H were included in the water compounds 2 H, 18 O, and HDO. Isotope content in water was used by a mass spectrometer to determine isotope ratio (δ) using the following equations [24]:…”

Section: Stable Isotopesmentioning

confidence: 99%

Analysis of Stable Isotopes 18O and 2H and Sodium Adsorption Ratio (SAR) for Groundwater Studies in Coastal Area in Semarang City, Central Java Province Indonesia

Putranto,

Susanto,

Pangestuti

2024

Pol. J. Environ. Stud.

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Water is the most important basic need for sustaining life, and groundwater remains the primary source of this need in the coastal area of Semarang City. This indicates that the recharge of the source must be monitored as an important part of water resource management. Therefore, this study aimed to determine the origin of groundwater through the analysis of stable isotopes 18 O and 2 H, as well as the calculation of the sodium adsorption ratio (SAR) in Semarang City. The purpose is to determine the origin of deep wells and the quality of water for irrigation. The methods used in this study included hydrogeological mapping, testing groundwater samples, and the analysis of stable isotopes 18 O and 2 H. Semarang City was located in an area with geological components, including the Alluvium and Damar Formation, as well as geological structures such as rectification. Chemical parameter testing was carried out by comparing the SAR aspect of 30 samples with their electrical conductivity (EC). From the analysis of stable isotopes 18 O and 2 H, most of the samples were obtained from deep groundwater, while 1 was found in shallow aquifers. Furthermore, the stable isotope composition of 29 samples still followed the Global Meteoric Water Line (GMWL), indicating that they were obtained from global rainwater and had experienced mixing.

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Section: Stable Isotopesmentioning

confidence: 99%

Analysis of Stable Isotopes 18O and 2H and Sodium Adsorption Ratio (SAR) for Groundwater Studies in Coastal Area in Semarang City, Central Java Province Indonesia

Putranto,

Susanto,

Pangestuti

2024

Pol. J. Environ. Stud.

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“…Preliminary geothermal survey activities at the Mount Gede Pangrango prospect were carried out by PT Pertamina (Persero) in 2013 [2]. Several researchers have also conducted further geothermal investigations/research in the prospect area of Mount Pancar including [5], [6], [7], [8], and [9]. Meanwhile, recently, [10] conducted one of the advanced geothermal investigations regarding geothermal geochemical and hydrogeological studies in Mt.…”

Section: Introductionmentioning

confidence: 99%

Upflow-outflow Zone Identification Based on Geochemistry Indicator and Fault Fracture Density Correlation Analysis in Mt. Gede Geothermal Case, West Java

Nayoan

Pranatikta²,

Anil³

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Upflow and outflow zones in a geothermal field are very important to identifying. These two zones are very useful in running a geothermal project such as simply in determining the drill point. Mt. Gede-Pangrango is one of the interesting geothermal fields in West Java province and is still included in the category the geothermal fieldwork (WKP) has not been further investigated which is the current research area especially on Mt. Gede. The method used to identify upflow-outflow zones is to correlate fault fracture density (FFD) analysis and geochemistry indicators with the early hypothesis that the geothermal upflow zone in the Mt. Gede is most likely located in the crater area to the volcanic body. Based on the FFD analysis, areas with high density of structural lineaments with a value of >2 km/km2 tend to have a southwest-northeast pattern that describes the direction of geothermal fluid flow due to the presence of a permeable zone (fracture) from the crater area of Mt. Gede (upflow zone) towards the foot of the mountain (outflow zone) the Cipanas area, which is also supported by the presence of the bicarbonate hot spring manifestation in the area. Then based on the geochemistry indicator (HCO3/SO4, Na/K, CO2 /H2S, and Isotope 18O), it can be seen that the upflow area is in the area of the volcanic peak to the body of the volcano and the outflow is at the foot of the volcano (Cipanas Area). From these two analyzes, it can be seen that the FFD and geochemical indicators are very well correlated in identifying the upflow and outflow zones of Mt. Gede and answered the early hypothesis that the upflow area tends to be in the volcanic crater area to the volcanic body of Mt. Gede.

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“…Through a hydrogeochemical approach, the characteristics of the geothermal fluid can be known (Aulia et al, 2022). Through a stable isotope approach, by measuring the composition of δ 18 O and δD in a sample of geothermal fluid (hot springs), the origin or genetics of the sample can be known (Satrio et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Hydrogeochemistry and Isotope Characteristics of the Hot Springs in the Wapsalit Area, Buru Regency, Maluku Province, Indonesia

Pinning,

Haryanto,

Hutabarat

2023

J. Geoscience Eng. Environ. Technol.

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Wapsalit is one of the geothermal areas that is located in Buru Regency, Maluku Province. Wapsalit area has several geothermal manifestations like hot springs, altered rocks, silica sinter and many more. This research aims to determine the characteristics and origin of the fluid in the research area. This research takes 5 samples of hot springs named FATH-1, FATH-2, FATH-3, FATH-4 and FATH-5. Based on the results of chemical analysis, it shows that the 5 samples belong to the bicarbonate fluid type. FATH-1, FATH-3 and FATH-5 belong to the partial equilibrium zone, FATH-2 and FATH-4 belong to the immature water zone. Based on isotope 18O and D analysis, the 5 hot spring samples originated from meteoric water and the fluids interacting with the rocks before heading to the surface.

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Karakteristik Isotop 18o Dan 2h Dari Beberapa Mataair Panas Di Jawa Barat

Cited by 3 publications

References 8 publications

Analysis of Stable Isotopes <sup>18</sup>O and <sup>2</sup>H and Sodium Adsorption Ratio (SAR) for Groundwater Studies in Coastal Area in Semarang City, Central Java Province Indonesia

Analysis of Stable Isotopes <sup>18</sup>O and <sup>2</sup>H and Sodium Adsorption Ratio (SAR) for Groundwater Studies in Coastal Area in Semarang City, Central Java Province Indonesia

Upflow-outflow Zone Identification Based on Geochemistry Indicator and Fault Fracture Density Correlation Analysis in Mt. Gede Geothermal Case, West Java

Hydrogeochemistry and Isotope Characteristics of the Hot Springs in the Wapsalit Area, Buru Regency, Maluku Province, Indonesia

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