Groundwater Recharge Area Based on Hydrochemical and Environmental Isotopes Analysis in the South Bandung Volcanic Area

Maria, Rizka; Satrio, Satrio; Iskandarsyah, T. Yan W. M.; Suganda, Bombom Rachmat; Delinom, Robert M.; Marganingrum, Dyah; Purwoko, W; Sukmayadi, Dady; Hendarmawan, Hendarmawan

doi:10.22146/ijc.58633

Cited by 8 publications

(7 citation statements)

References 25 publications

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“…Several previous studies have observed the influence of anthropogenic activities on groundwater hydrochemistry [4,[28][29][30][31]. Sources of ammonia pollution in the soil came from septic tanks, residential and industrial wastewater, livestock, and agricultural waste [14,32,33]. NH4N pollution in the Tanjaknangsi area came from agricultural residues and domestic waste.…”

Section: Anthropogenic Influence On Groundwatermentioning

confidence: 99%

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The geo-environmental influence on hydrogeochemical conditions in the Tanjaknangsi volcanic region

Maria¹,

Rusydi²,

Naily

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Groundwater in volcanic areas flows from the recharge to the discharge, and dissolving rock minerals undergo hydrochemical changes. Anthropogenic influences in the form of increasing built-up land and plantation activities in upstream areas raise concerns about changes in groundwater hydrochemistry. Hydrogeochemical and environmental characterization of groundwater in volcanic regions is essential to trace the rock-water interaction. This study aimed to determine the geo-environmental influence on the hydrogeochemical conditions in Tanjaknangsi volcanic areas. The methods used were statistical analysis, bivariate analysis, and Piper diagram. During the dry season, 16 groundwater samples were taken, consisting of five dug wells, nine drilled wells, and two springs. The hydrogeochemical process of major ions in groundwater volcanic regions is characterized by the weathering of silica. The concentrations of cations were Ca2+ > Na+> K+> Mg2+, while the anion were HCO3 −> Cl−> SO4 −. The correlation analysis shows that Ca2+, Mg2+, and Na+ cations strongly correlated with the HCO3 − anion. Hierarchical dendrogram analysis shows groundwater was influenced by the rock-water interaction and anthropogenic influences; the piper diagram shows the dominant hydrogeochemical facies in the study area were CaCl, CaMgCl, CaMgHCO3, and NaHCO3. Groundwater in the upstream area was dominated and influenced by the groundwater-rock interaction, while anthropogenic factors influenced groundwater in the downstream area. Residues of anthropogenic activities such as agriculture, plantations, and livestock will increase the levels of NH4-N, Cl− and SO4 2- ions.

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Section: Anthropogenic Influence On Groundwatermentioning

confidence: 99%

“…The Southern Bandung Basin is a volcanic area with diverse lithological and topographic variations [14]. This area has a relatively high annual rainfall of around 2165 mm/yr, with high spring potential.…”

Section: Introductionmentioning

confidence: 99%

The geo-environmental influence on hydrogeochemical conditions in the Tanjaknangsi volcanic region

Maria¹,

Rusydi²,

Naily

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…The stable isotope approach can be used to de ne locations that receive spring recharge and groundwater. Several Indonesian regions-Bali in particular-have used the isotopic technique to determine groundwater genesis (Maria et al, 2021;Nuha et al, 2020;Toulier et al, 2019), particularly in Bali. The application of isotope 18O and 2H methods in Denpasar City to delineate the groundwater recharge zone in urban areas (Ardana et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Identifying spring recharge areas using stable isotope and geophysical methods: A case study of the Ababi Mountain Region, Bali, Indonesia

Simpen,

Redana,

Ardana

et al. 2024

Preprint

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Identifying spring recharge areas is essential for water resource conservation. This study aimed to determine the recharge area of Ababi Spring, Indonesia, using stable isotope, vertical electrical sounding (VES), and audio magnetotelluric (AMT) methods. Rainwater and spring water were sampled at 211–978 m locations above sea level. Hydrogen and oxygen isotope ratios revealed that spring water originated from a higher elevation source. The relationship between oxygen isotope composition and elevation was used to estimate the spring recharge elevation as 2,118-2,137 m above sea level. VES and AMT methods generated geoelectrical profiles depicting subsurface water flow from recharge to discharge zones, confirming the elevated recharge area. Additional isotope analysis of 1,514 m altitude rainwater supported the prediction model. This multidisciplinary approach combines hydrochemical and geophysical techniques to enable more reliable delineation of groundwater recharge areas than single methods. Determining the Ababi Spring recharge zone facilitates targeted conservation efforts for this vital water resource. Further work should investigate geochemical evolution along subsurface flow paths.

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“…Utilization of water sourced from volcanic rocks in the tropics is found in Southeast Asia, Central Africa, and others (Lu et al, 2015;Gourcy et al, 2020;Purwantara, 2020;Gaikwad et al, 2020;Wisitthammasri et al, 2020;Maria et al, 2021;Ligate et al, 2021). Depending on the conditions and characteristics of the geology, hydrogeology, hydrology, and other features of the water cycle, the genesis of water occurs over a period of time that varies (Alfadli and Natasia, 2017).…”

Section: Sub Introductionmentioning

confidence: 99%

Geological and Morphometric Characteristics of Quaternary Pyroclastic Aquifers in Salak and Pangrango Stratovolcano.

Nugraha

Ghozi

Fadillah³

et al. 2023

J. Geoscience Eng. Environ. Technol.

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Indonesia is located in a subduction zone formed by the collision of continental and oceanic plates. Many volcanoes form as a result of these conditions along the arc. Springs on the volcano's slopes are widely used for domestic, irrigation, and industry water use. Investigating the characteristics of aquifers and springs is essential to ensure groundwater sustainability by providing a robust geological framework. Meanwhile, groundwater in a volcanic geological setting has good quality characteristics because of its occurrence process, which interacts with many minerals in pyroclastic rocks that act as aquifers. The study area is located in the Lido Catchment Area (LCA), which is situated between two distinct volcanic slopes. Geological and morphometric analysis at LCA is the basis of important information relating to its hydrogeological systems. The analysis of thin rock sections and parameters of the physical properties of water in groundwater springs supports our research. We applied a comprehensive geological and morphometric analysis to obtain detailed information about the aquifer. This study aimed to determine the characteristics of aquifers in pyroclastic rocks and their relationship to the formation of springs. From the research conducted, the characteristic of water can be distinguished based on the geological conditions of its constituents. There are 6 different lithological characteristics in the study area: polymictic breccia, monomictic breccia, lapilli, lapilli tuff, coarse tuff, and fine tuff. From the lithology variations obtained, breccia, lapilli, and coarse tuff can play a good role as aquifers. Geological correlations and groundwater systems in the study area show groups of superficial, mixed, and alteration springs. The system of water flows in aquifers through inter-grains or rock fractures. The types of springs in LCA are dominated by depression and fracture types. These results are fundamental information for understanding hydrogeological systems in future volcanic geological settings.

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Groundwater Recharge Area Based on Hydrochemical and Environmental Isotopes Analysis in the South Bandung Volcanic Area

Cited by 8 publications

References 25 publications

The geo-environmental influence on hydrogeochemical conditions in the Tanjaknangsi volcanic region

The geo-environmental influence on hydrogeochemical conditions in the Tanjaknangsi volcanic region

Identifying spring recharge areas using stable isotope and geophysical methods: A case study of the Ababi Mountain Region, Bali, Indonesia

Geological and Morphometric Characteristics of Quaternary Pyroclastic Aquifers in Salak and Pangrango Stratovolcano.

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