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Journal articles on the topic 'Groundwater Chemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Craig, D., and L. M. Johnston. "Acid Precipitation and Groundwater Chemistry at the Turkey Lakes Watershed." Canadian Journal of Fisheries and Aquatic Sciences 45, S1 (1988): s59—s65. http://dx.doi.org/10.1139/f88-267.

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To determine correctly the response of a basin to various acid loading events, the groundwater hydrology must be considered as a function of the basin stratigraphy and mineralogy. Groundwaters in the Turkey Lakes Watershed are well buffered and in general provide a reservoir of alkalinity for surface waters in the basin. The groundwater chemistry is dominated by the weathering of carbonates present in the tills. Groundwater can follow a variety of pathways through the subsurface. These pathways can have very different flow rates and groundwater chemistry. As a result of this the influence of g

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2

Kitessa, Wagari Mosisa, Adisu Befekadu Kebede, Fayera Gudu Tufa, et al. "Hydrogeochemical Characterization and Processes Controlling Groundwater Chemistry of Complex Volcanic Rock of Jimma Area, Ethiopia." Water 16, no. 23 (2024): 3470. https://doi.org/10.3390/w16233470.

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The sustainable management of groundwater in the Jimma area is complicated by a lack of comprehensive studies on its chemical makeup and the geochemical processes influencing its hydrochemistry. This research aims to fill that gap by examining 51 groundwater samples from various sources, including deep groundwaters, shallow groundwaters, hand-dug well groundwaters, surface waters, and springs within the area primarily consisting of complex volcanic rocks. The goal is to describe the hydrogeochemical characteristics and determine the key processes affecting groundwater composition in this volca

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3

Liu, Chunyan, Qinxuan Hou, Yetao Chen, and Guanxing Huang. "Hydrogeochemical Characteristics and Groundwater Quality in a Coastal Urbanized Area, South China: Impact of Land Use." Water 14, no. 24 (2022): 4131. http://dx.doi.org/10.3390/w14244131.

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Land use transformation accompanied with various human activities affects groundwater chemistry and quality globally, especially in coastal urbanized areas because of complex human activities. This study investigated the impact of land use on groundwater chemistry and quality in a coastal alluvial aquifer (CAA) of the Pearl River Delta where urbanization continues. A fuzzy synthetic evaluation method was used to evaluate the groundwater quality. Besides, factors controlling groundwater chemistry and quality in the CAA were discussed by using a principal components analysis (PCA). Nearly 150 gr

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Datta, P. S., and S. K. Tyagi. "Major Ion Chemistry of Groundwater in Delhi Area: Chemical Weathering Processes and Groundwater Flow Regime." Journal Geological Society of India 47, no. 2 (1996): 179–88. http://dx.doi.org/10.17491/jgsi/1996/470205.

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Abstract Groundwater is moderately to highly saline in all parts of Delhi area. No definite explanation has emerged so far about the source of salinity. Study of major ion chemistry of groundwater has been conducted to identify the source of major ions in terms of chemical weathering processes. The chemistry of groundwater is dominated by carbonate weathering. The excess of sodium ion over chloride ion can be attributed to silicate weathering to a certain extent. The groundwater in northern and western parts of the area is primarily alkaline and secondarily saline and in the southern and south

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5

Liu, Ji Lai, Tian Ming Huang, and Jie Li. "Groundwater Recharge Environments and Hydrogeochemical Evolution in Beijing, China: Multi-Tracer Approach." Advanced Materials Research 518-523 (May 2012): 3647–51. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.3647.

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The groundwater recharge environments and hydrogeochemical characteristics in Beijing were investigated using a combination of chemical indicators, stable isotopes, and radiocarbon dating. There are two distinct zones for those groundwaters: modern water (1000 a) are depleted, which implies that the palaeowaters were recharged in relatively cold climate. The TDS for all groundwater samples range from 312 to 914 mg/L. Groundwaters are supersaturated with respect to calcite and the δ13C value is stable (around -13‰), which suggests dissolution of calcite is limited. Dissolution of halite, sulfat

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6

Wu, Ruohan, Laura A. Richards, Ajmal Roshan, and David A. Polya. "Artificial Intelligence Modelling to Support the Groundwater Chemistry-Dependent Selection of Groundwater Arsenic Remediation Approaches in Bangladesh." Water 15, no. 20 (2023): 3539. http://dx.doi.org/10.3390/w15203539.

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Groundwater arsenic (As) still poses a massive public health threat, especially in South Asia, including Bangladesh. The arsenic removal efficiency of various technologies may be strongly dependent on groundwater composition. Previously, others have reported that the molar ratio [Fe]−1.8[P][As], in particular, can usefully predict the potential efficiency of groundwater As removal by widespread sorption/co-precipitation-based remediation systems. Here, we innovatively extended the application of artificial intelligence (AI) machine learning models to predict the geospatial distribution of [Fe]

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7

Wang, Wanping, Shilong Zhang, Shengbin Wang, et al. "Spatial Variations and Regulating Processes of Groundwater Geochemistry in an Urbanized Valley Basin on Tibetan Plateau." Applied Sciences 14, no. 21 (2024): 9804. http://dx.doi.org/10.3390/app14219804.

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Groundwater resource is crucial for the development of agriculture and urban communities in valley basins of arid and semiarid regions. This research investigated the groundwater chemistry of a typical urbanized valley basin on the Tibetan Plateau to understand the hydrochemical status, quality, and controlling mechanisms of groundwater in arid urbanized valley basins. The results show groundwater is predominantly fresh and slightly alkaline across the basin, with approximately 54.17% of HCO3-Ca type. About 12.5% and 33.33% of sampled groundwaters are with the hydrochemical facies of Cl-Mg·Ca

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8

Neal, C., A. J. Robson, P. Shand, et al. "The occurrence of groundwater in the Lower Palaeozoic rocks of upland Central Wales." Hydrology and Earth System Sciences 1, no. 1 (1997): 3–18. http://dx.doi.org/10.5194/hess-1-3-1997.

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Abstract. A series of boreholes of up to 50 m depth, drilled into Lower Palaeozoic mudstone, shale and greywacke bedrock in the headwater catchment areas of the River Severn at Plynlimon in Central Wales, shows an extensive chemically- and hydrologically-active shallow groundwater fracture flow system. Groundwater chemistry varies in space and time with lowest water levels and highest alkalinities occurring during the drier summer months. The groundwaters are enriched in base cations, silica, sulphate and alkalinity relative to surface waters indicating significant silicate weathering sources

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9

Hernández-Antonio, A., J. Mahlknecht, C. Tamez-Meléndez, et al. "Groundwater flow processes and mixing in active volcanic systems: the case of Guadalajara (Mexico)." Hydrology and Earth System Sciences Discussions 12, no. 2 (2015): 1599–631. http://dx.doi.org/10.5194/hessd-12-1599-2015.

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Abstract. Groundwater chemistry and isotopic data from 40 production wells in the Atemajac and Toluquilla Valleys, located in and around the Guadalajara metropolitan area, were determined to develop a conceptual model of groundwater flow processes and mixing. Multivariate analysis including cluster analysis and principal component analysis were used to elucidate distribution patterns of constituents and factors controlling groundwater chemistry. Based on this analysis, groundwater was classified into four groups: cold groundwater, hydrothermal water, polluted groundwater and mixed groundwater.

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10

Schwab, Valérie F., Martina Herrmann, Vanessa-Nina Roth, et al. "Functional diversity of microbial communities in pristine aquifers inferred by PLFA- and sequencing-based approaches." Biogeosciences 14, no. 10 (2017): 2697–714. http://dx.doi.org/10.5194/bg-14-2697-2017.

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Abstract. Microorganisms in groundwater play an important role in aquifer biogeochemical cycles and water quality. However, the mechanisms linking the functional diversity of microbial populations and the groundwater physico-chemistry are still not well understood due to the complexity of interactions between surface and subsurface. Within the framework of Hainich (north-western Thuringia, central Germany) Critical Zone Exploratory of the Collaborative Research Centre AquaDiva, we used the relative abundances of phospholipid-derived fatty acids (PLFAs) to link specific biochemical markers with

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11

Hernández-Antonio, A., J. Mahlknecht, C. Tamez-Meléndez, et al. "Groundwater flow processes and mixing in active volcanic systems: the case of Guadalajara (Mexico)." Hydrology and Earth System Sciences 19, no. 9 (2015): 3937–50. http://dx.doi.org/10.5194/hess-19-3937-2015.

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Abstract. Groundwater chemistry and isotopic data from 40 production wells in the Atemajac and Toluquilla valleys, located in and around the Guadalajara metropolitan area, were determined to develop a conceptual model of groundwater flow processes and mixing. Stable water isotopes (δ2H, δ18O) were used to trace hydrological processes and tritium (3H) to evaluate the relative contribution of modern water in samples. Multivariate analysis including cluster analysis and principal component analysis were used to elucidate distribution patterns of constituents and factors controlling groundwater ch

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12

Stuyfzand, Pieter J. "Patterns in groundwater chemistry resulting from groundwater flow." Hydrogeology Journal 7, no. 1 (1999): 15–27. http://dx.doi.org/10.1007/s100400050177.

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13

Coleman, Daniel J., Alexander S. Kolker, and Karen H. Johannesson. "Submarine groundwater discharge and alkaline earth element dynamics in a deltaic coastal setting." Hydrology Research 48, no. 5 (2016): 1169–76. http://dx.doi.org/10.2166/nh.2016.285.

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Submarine groundwater discharge is a process that is often considered negligible in deltaic systems given their low gradient and fine-grained sediment. However, hydrologic budgets and radon surveys indicate that it may be a significant component of the Mississippi River Delta system. To more concretely indicate groundwater's contribution to the local environment, we conducted an analysis of estuarine water chemistry. We focused on the mid-weight alkaline earth metals, which differ significantly in the system's three end-members: river, ocean, and groundwater. We found an anomaly of barium in t

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14

P., S. Ganvir. "Hydro-Geochemical Plots: An Efficient Tool for the Elucidation of Groundwater Chemistry." International Journal of Innovative Science and Research Technology 8, no. 2 (2023): 95–100. https://doi.org/10.5281/zenodo.7645241.

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The interpretation of the groundwater chemistry is an utmost vital procedure in any of the groundwater contamination study. The generation of the groundwater chemistry data inform of major ions and its interpretation are an utterly two diverse dealings. The generated groundwater chemistry data seems insignificant without the appropriate interpretation. To depict a comprehensive picture of the groundwater chemistry and to understand the liable dynamics,the hydro-geochemical plots are the usual tools to be engaged with. The Stiff’s, Piper, Chadha’s and Gibbs plots are the utmost enco

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15

Herczeg, A. L., S. S. Dogramaci, and F. W. J. Leaney. "Origin of dissolved salts in a large, semi-arid groundwater system: Murray Basin, Australia." Marine and Freshwater Research 52, no. 1 (2001): 41. http://dx.doi.org/10.1071/mf00040.

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Hypotheses to explain the source of the 1011 tons of salt in groundwaters of the Murray Basin, south-eastern Australia, are evaluated; these are (a) mixing with original sea water, (b) dissolution of salt deposits, (c) weathering of aquifer minerals and (d) acquisition of solutes via rainfall. The total salinity and chemistry of many groundwater samples are similar to sea-water composition. However, their stable isotopic compositions (δ18O= –6.5 ‰; δ2H = –35) are typical of mean winter rainfall, indicating that all the original sea water has been flushed out of the aquifer. Br/Cl mass ratios a

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16

Lee, Byeong, Yong Oh, Byong Cho, Uk Yun, and Chang Choo. "Hydrochemical Properties of Groundwater Used for Korea Bottled Waters in Relation to Geology." Water 11, no. 5 (2019): 1043. http://dx.doi.org/10.3390/w11051043.

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Bottled waters have been becoming increasingly popular in Korea over the last two decades due to the high demand for safe drinking water. Hydrochemical characterization of groundwater is essential for understanding quality properties of bottled waters. We investigated hydrochemistry of 60 manufacture factories for bottled waters in relation to geology. The mean EC value is highest in groundwaters of Ogcheon metamorphic rocks (213.6 μS/cm) > Precambrian gneiss (177.8 μS/cm) > Cretaceous granite (160.4 μS/cm) > Jurassic granite (131.3 μS/cm) > Quaternary Jeju Island volcanic rocks (9

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17

Puspita, T. R., and D. A. Kuncoro. "Groundwater Facies in the South Parts of Tegal-Brebes Groundwater Basin." IOP Conference Series: Earth and Environmental Science 1233, no. 1 (2023): 012010. http://dx.doi.org/10.1088/1755-1315/1233/1/012010.

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Abstract The southern part of the Tegal Brebes Groundwater Basin has various rock units originating from the volcanic activity of the Slamet Volcano. The groundwater interacts with these rocks and influences the hydrogeochemical process that may alter its chemical components. The objective of this research is to assess the relationship between groundwater chemistry facies and the rock aquifer. The finding of this research will help us better understand how hydrogeochemical processes work, perform thorough research, and determine the water quality. The groundwater characteristics are determined

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18

Parasha, V. K., and Sunil Kumar Sharma. "Suitability of Groundwater Quality for Irrigational use between Silkanth and Kundgaon, North of River Narmada in the Upper Alluvial Plains of Narmada Valley, District Sehore and Dewas, M.P., India." Oriental Journal of Physical Sciences 2, no. 2 (2017): 121–28. http://dx.doi.org/10.13005/ojps02.02.12.

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Groundwater is one of the earth’s most widely distributed resources and is consistently catering to the requirement of the agricultural irrigation. In the present study, an attempt has been made to understand the hydrochemistry and its agricultural water quality of groundwater between Silkhanth and Kundgaon, North of river Narmada, Madhya Pradesh. During the course of water quality studies of the area, 17 groundwater samples were collected and chemically analysed. Results obtained from water chemistry were used in the determination of different irrigational specifications to appraise the agric

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19

Zhao, Zhen, Gongxi Liu, Guangxiong Qin, et al. "Exploring the Hydrochemical Characteristics and Controlling Processes of Groundwater in Agricultural Lower Reaches of a Typical Arid Watershed on Tibetan Plateau." Sustainability 17, no. 5 (2025): 2117. https://doi.org/10.3390/su17052117.

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Groundwater is crucial for domestic, agricultural, and ecological uses, particularly in the lower reaches of arid basins, where its quality often limits availability. A total of 26 phreatic groundwater samples were collected from a typical endorheic watershed on the Tibetan Plateau to assess the hydrochemical characteristics of phreatic groundwater in the lower reaches of arid inland watersheds. The hydrochemical characteristics, quality, and formation mechanisms of groundwater were analyzed using the Entropy-Weight Water Quality Index (EWQI), irrigation water quality indexes (such as sodium a

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20

Vasileva, Tanya, and Dimitar Sholev. "Groundwater chemistry: a case study of the Mesta River Basin." Geologica Balcanica 50, no. 2 (2021): 35–46. http://dx.doi.org/10.52321/geolbalc.50.2.35.

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The present study describes the hydrochemistry of ground waters found in the Mesta River Basin, located in the south-western part of Bulgaria. The groundwater’s composition can be expressed as follows: Ca2+ > Na+ > Mg2+ > K+; Ca2+ > Mg2+ > Na+ > K+ in equivalent units for the cations, and HCO3– > SO42– > Cl– in equivalent units for the anions. The chemical composition of the studied groundwater can be described as calcium-bicarbonate. The calcium ions make up from 17.90% to 38.62% (30.18% on average), and the bicarbonate ions make up from 35.30% to 48.98% (43.70% on ave

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21

Zhou, Bing, Huiwei Wang, and Qianqian Zhang. "Assessment of the Evolution of Groundwater Chemistry and Its Controlling Factors in the Huangshui River Basin of Northwestern China, Using Hydrochemistry and Multivariate Statistical Techniques." International Journal of Environmental Research and Public Health 18, no. 14 (2021): 7551. http://dx.doi.org/10.3390/ijerph18147551.

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Groundwater is an eco-environmental factor and critical resource required for human life and socioeconomic development. Understanding the evolution of groundwater chemistry and its controlling factors are imperative for preventing its deterioration and ensuring its sustainable use. We studied the characteristics of groundwater chemistry in the Huangshui River Basin in Qinghai Province, China using hydrochemical techniques. Additionally, we identified the controlling factors of groundwater chemistry in this region using multivariate statistical techniques. Seventeen hydrochemical parameters of

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22

Gu, Xiaomin, Yong Xiao, Shiyang Yin, et al. "Hydrogeochemical Characterization and Quality Assessment of Groundwater in a Long-Term Reclaimed Water Irrigation Area, North China Plain." Water 10, no. 9 (2018): 1209. http://dx.doi.org/10.3390/w10091209.

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Water scarcity has led to wide use of reclaimed water for irrigation worldwide, which may threaten groundwater quality. To understand the status of groundwater in the reclaimed water irrigation area in Beijing, 87 samples from both shallow and deep aquifers were collected to determine the factors affecting groundwater chemistry and to assess groundwater quality for drinking and irrigation purposes. The results show that groundwater in both shallow and deep aquifers in the study area is weakly alkaline freshwater with hydrogeochemical faces dominated by HCO3-Na·Mg·Ca, HCO3-Mg·Ca·Na, HCO3-Ca·Na,

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23

Fordyce, F. M., B. É. Ó Dochartaigh, H. C. Bonsor, et al. "Assessing threats to shallow groundwater quality from soil pollutants in Glasgow, UK: development of a new screening tool." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 108, no. 2-3 (2017): 173–90. http://dx.doi.org/10.1017/s1755691018000336.

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ABSTRACTA new GIS-based screening tool to assess threats to shallow groundwater quality has been trialled in Glasgow, UK. The GRoundwater And Soil Pollutants (GRASP) tool is based on a British Standard method for assessing the threat from potential leaching of metal pollutants in unsaturated soil/superficial materials to shallow groundwater, using data on soil and Quaternary deposit properties, climate and depth to groundwater. GRASP breaks new ground by also incorporating a new Glasgow-wide soil chemistry dataset. GRASP considers eight metals, including chromium, lead and nickel at 1622 soil

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Nakagawa, Kei, Hiroki Amano, and Ronny Berndtsson. "Spatial Characteristics of Groundwater Chemistry in Unzen, Nagasaki, Japan." Water 13, no. 4 (2021): 426. http://dx.doi.org/10.3390/w13040426.

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Nitrate pollution in groundwater is a serious problem in Shimabara Peninsula, Nagasaki, Japan. A better understanding of the hydrogeochemical evolution of groundwater in vulnerable aquifers is important for health and environment. In this study, groundwater samples were collected at 12 residential and 57 municipal water supply wells and springs in July and August 2018. Nitrate (NO3−N) concentration at eight sampling sites (12%) exceeded Japanese drinking water standard for NO3 + NO2−N (10 mg L−1). The highest nitrate concentration was 19.9 mg L−1. Polluted groundwater is distributed in northea

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Kämpfner, L., T. R. Rüde, and D. P. Eka Putra. "Characterization of shallow groundwater chemistry in the Yogyakarta basin, Central Java." IOP Conference Series: Earth and Environmental Science 851, no. 1 (2021): 012015. http://dx.doi.org/10.1088/1755-1315/851/1/012015.

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Abstract Sufficient water supply can still be a big challenge in developing countries. A large number of households in Yogyakarta still relay on private dug wells to meet their daily demand. But water from shallow aquifers is prone to pollution from sewage systems, industry and agriculture. To assess the water quality in the basin of Yogyakarta, this study determines the chemical characteristics of the shallow groundwater in anthropogenically influenced and uninfluenced areas in and around the city of Yogyakarta. Therefore, a combination of on-site and laboratory analysis is used to distinguis

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Sarker, Md Mizanur Rahman, Thomas Hermans, Marc Van Camp, et al. "Identifying the Major Hydrogeochemical Factors Governing Groundwater Chemistry in the Coastal Aquifers of Southwest Bangladesh Using Statistical Analysis." Hydrology 9, no. 2 (2022): 20. http://dx.doi.org/10.3390/hydrology9020020.

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People in the southwestern (SW) coastal part of Bangladesh are suffering from a severe freshwater crisis due to saline groundwater at a shallow depth. Fresh groundwater below a 200 m depth is an option, but it is costly to construct deep tubewells for the local inhabitants. The processes of salinization and freshening were previously identified using conventional methods. In this study, we brought new insight into these processes by analyzing existing datasets using multivariate statistics to identify the factors affecting groundwater chemistry. Cluster analysis (CA) revealed three major clust

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Li, Yang, Li Jin, Wei Zhang, Fengming Liu, and Yuyu Liu. "Analysis of Hydrochemical Characteristics and its Influences on Jiaodong Water Diversion Project." Advances in Engineering Technology Research 7, no. 1 (2023): 44. http://dx.doi.org/10.56028/aetr.7.1.44.2023.

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The water chemistry characteristics along the Jiaodong water transfer line and its impact analysis play an important role in supporting water quality safety and operation management. In this paper, the water chemistry characteristics along the Jiaodong water transfer project were studied, and the water chemistry characteristics and their influencing factors in the study area were analyzed by using Piper's trilinear diagram, Gibbs diagram and SPSS26 statistical analysis software for correlation. The results show that the surface water and groundwater along the Jiaodong water transfer project ar

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van Sambeek, M. H. G., H. G. M. Eggenkamp, and M. J. M. Vissers. "The groundwater quality of Aruba, Bonaire and Curaçao: a hydrogeochemical study." Netherlands Journal of Geosciences - Geologie en Mijnbouw 79, no. 4 (2000): 459–66. http://dx.doi.org/10.1017/s0016774600021958.

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AbstractThe Groundwater resources on the Caribbean Islands of Aruba, Bonaire and Curaçao are limited and of poor quality. The groundwater of the islands is brackish, due to both seawater mixing and the semi-arid climate of the islands. Two hundred and thirty water samples were collected to relate chemical variations in the groundwater of the three islands to the underlying differences in geology, and to define the natural versus anthropogenic influences. Both the chemical and isotopic (δ180, δD, and δ37Cl) compositions of samples were determined.Several geochemical processes are recognised in

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Wei, Hongyang, Xiujuan Liang, Shuhui Liu, Mingjun Liu, and Changlai Xiao. "Hydrochemical Evolution of Groundwater in Dehui, China." Water 12, no. 12 (2020): 3378. http://dx.doi.org/10.3390/w12123378.

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Although Dehui City has excellent agricultural conditions, long-term large-scale over-cultivation and human activities in recent years have caused significant changes in the local groundwater chemical characteristics. This study analyzes the causes, evolution, and prediction of groundwater chemistry via multi-disciplinary theoretical cross-cutting methods, such as groundwater ion composition-ratio analysis and groundwater influencing factor analysis, and artificial neural networks. The lithological characteristics of the groundwater aquifer were combined with ion composition-ratio mapping to e

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Naser, Abu Mohd, Thomas F. Clasen, Stephen P. Luby, et al. "Groundwater Chemistry and Blood Pressure: A Cross-Sectional Study in Bangladesh." International Journal of Environmental Research and Public Health 16, no. 13 (2019): 2289. http://dx.doi.org/10.3390/ijerph16132289.

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Background: We assessed the association of groundwater chemicals with systolic blood pressure (SBP) and diastolic blood pressure (DBP). Methods: Blood pressure data for ≥35-year-olds were from the Bangladesh Demographic and Health Survey in 2011. Groundwater chemicals in 3534 well water samples from Bangladesh were measured by the British Geological Survey (BGS) in 1998–1999. Participants who reported groundwater as their primary source of drinking water were assigned chemical measures from the nearest BGS well. Survey-adjusted linear regression methods were used to assess the association of e

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Dragon, Krzysztof. "Impact of human activity on groundwater chemistry (Wielkopolska region, Poland)." Baltica 29, no. 2 (2016): 79–92. http://dx.doi.org/10.5200/baltica.2016.29.08.

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The article identifies the effects of human activity on groundwater chemistry in the regional aquifer system located in the Wielkopolska region (western Poland). It was documented using statistical methods, that the main process influencing the groundwater chemistry is connected to contamination. The impact of contamination is evident in regions without sewers and where the aquitard is relative thin. Chloride and sulphatewere found most influenced by pollution from surface sources. Total hardness is also sensitive, but its behavior is controlled by geogenic processes as well. Factor analyses a

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Li, Yingzhi, Jiutan Liu, Zongjun Gao, Min Wang, and Leqi Yu. "Major ion chemistry and water quality assessment of groundwater in the Shigaze urban area, Qinghai-Tibetan Plateau, China." Water Supply 20, no. 1 (2019): 335–47. http://dx.doi.org/10.2166/ws.2019.167.

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Abstract Shigaze city is situated in the southwestern Tibetan Plateau and is the second largest city in the Tibet Autonomous Region. Groundwater is the major source of domestic and drinking water for urban inhabitants. In this study, the major ion chemistry and a water quality assessment of groundwater were studied using geochemical methods and fuzzy comprehensive assessment. Groundwater was classified as slightly alkaline soft and hard freshwater, and the influence of anthropogenic activities on groundwater was relatively weak. The dominant cations and anions were Ca2+ and Mg2+ and HCO3− and

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Chen, P. A., C. Y. Peng, S. H. Liu, and H. Paul Wang. "Removal of toxic arsenic(iii) from an old endemic black-foot disease groundwater by oxidative electrosorption." Environmental Chemistry 20, no. 3 (2023): 137–43. http://dx.doi.org/10.1071/en23001.

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Environmental context Naturally occurring arsenic was the likely cause of endemic black foot disease in groundwaters in Taiwan, and levels still exceed Taiwan EPA water quality standards. A method for the clean-up of these groundwaters that is both feasible and environmentally friendly is urgently needed. Oxidation of As(III) as H3AsO3 to the less toxic As(V)− and removal of As in groundwater was performed quantitatively by electrosorption using materials derived from agricultural wastes; this shows that this method has the potential to be a novel, green remediation method. Rationale Naturally

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Deng, Ying Er, Huan Huan Jiang, and Jing Yu. "System of Groundwater Flow in Multilayer Pore-Fissure Media with Weak Permeability Layer." Applied Mechanics and Materials 204-208 (October 2012): 263–66. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.263.

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Groundwater in pores and fractures of rock can result in destruction of a reservoir dam. Therefore, techniques of forecasting characteristics of groundwater flow have wide applications in areas of hydraulic engineering. A consecutive experiment was designed and combined with analyses of groundwater chemistry to solve a groundwater hydrology problem in multilayer pore-fissure media with weak permeability layer occurring in hydraulic engineering construction in China. Results show that changes of electrical conductivity of groundwater samples from wells, springs and drillings with time have a go

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35

de Caritat, P. "Time-Dependent Variations in Groundwater Chemistry: The Norwegian Groundwater Monitoring Network." Mineralogical Magazine 58A, no. 1 (1994): 148–49. http://dx.doi.org/10.1180/minmag.1994.58a.1.80.

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Yuan, Ziting, Yantao Jian, Zhi Chen, et al. "Distribution of Groundwater Hydrochemistry and Quality Assessment in Hutuo River Drinking Water Source Area of Shijiazhuang (North China Plain)." Water 16, no. 1 (2024): 175. http://dx.doi.org/10.3390/w16010175.

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The Hutuo River Drinking Water Source Area is an important water source of Shijiazhuang (North China Plain). Knowing the characteristics of groundwater chemistry/quality is essential for the protection and management of water resources. However, there are few studies focused on the groundwater chemistry evolution over the drinking water area. In this study, total of 160 groundwater samples were collected in November 2021, and the spatial distribution of groundwater chemistry and related controlling factors were analyzed using hydrological and multivariate analysis. The entropy-weighted water q

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Manivannan, R., S. Chidambaram, P. Anandhan, et al. "Study on the Significance of Temporal Ion Chemistry in Groundwater of Dindigul District, Tamilnadu, India." E-Journal of Chemistry 8, no. 2 (2011): 938–44. http://dx.doi.org/10.1155/2011/632968.

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The demand of water supply is increasing day by day to meet the pace of developments in domestic, agricultural and industrial sectors especially in developing countries like India. Groundwater being a scarce commodity in a hard rock terrain like Dindigul district an attempt has been made in this study brings out the significance of temporal ion chemistry in groundwater by collecting groundwater from 43 different location of the district and analysed for major and minor ions. These ions were then used for the irrigation classification of groundwater and to bring out the mechanisms responsible o

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Li, Chengcheng, Xubo Gao, Yanxin Wang, and Ken Howard. "Hydrogeochemistry of high-fluoride saline groundwater in the Yuncheng Basin, northern China." E3S Web of Conferences 98 (2019): 01031. http://dx.doi.org/10.1051/e3sconf/20199801031.

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The presence of saline groundwater has become one of the most acute problems for water resource management worldwide, since it causes deterioration in water quality and endangers future exploitation of groundwater resources. In addition, high levels of groundwater salinity are often associated with an increase in the concentrations of fluoride (F). Diverse mechanisms govern salts and fluoride enrichment in groundwater. In this case, saline groundwater with elevated fluoride (up to 14.1 mg/L) in the Yuncheng Basin (YB) was investigated. The research shows: (i) large-scale contamination of F in

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Maroubo, Lais A., Marcos R. Moreira-Silva, José Jerônimo Teixeira, and Marcos F. S. Teixeira. "Influence of Rainfall Seasonality in Groundwater Chemistry at Western Region of São Paulo State—Brazil." Water 13, no. 11 (2021): 1450. http://dx.doi.org/10.3390/w13111450.

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The present study evaluated the spatiotemporal variation in concentration of cadmium, lead and copper ions in groundwater wells in the stratigraphic subdivision “Santo Anastácio” that belongs to the Bauru aquifer system in the western region of São Paulo State. Exploratory statistics methods were employed to investigate the response of the concentration of these metals in the aquifer through the pluviometric index of the region. The results show a direct dependence of the mean monthly flow of the metals in the groundwaters to the monthly rainfall flow. The observed behavior was cyclic with a g

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Weiss, Tomáš, Jakub Harmáček, Iva Herichová, and Jiří Bruthans. "Groundwater chemistry of Prague Castle area." Geoscience Research Reports 57, no. 01 (2024): 8–17. http://dx.doi.org/10.3140/zpravy.geol.2024.02.

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The study examines the groundwater around Prague Castle as an example of an extreme urban environment that has been influenced by human activity since the Neolithic period. The long-term human activity, including several still-functioning drainage adits, resulted in a number of aggradation and degradation processes that have significantly impacted the groundwater regime. Furthermore, building development, particularly large-scale concrete structures, has had a notable effect on groundwater chemistry. This paper presents results of available archival chemical analyses from the area of interest

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Laaksoharju, Marcus, Mel Gascoyne, and Ioana Gurban. "Understanding groundwater chemistry using mixing models." Applied Geochemistry 23, no. 7 (2008): 1921–40. http://dx.doi.org/10.1016/j.apgeochem.2008.02.018.

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Marandi, Andres, and Paul Shand. "Groundwater chemistry and the Gibbs Diagram." Applied Geochemistry 97 (October 2018): 209–12. http://dx.doi.org/10.1016/j.apgeochem.2018.07.009.

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Savoye, Sebastien, Jean-Francois Aranyossy, Catherine Beaucaire, Michel Cathelineau, Didier Louvat, and Jean-Luc Michelot. "Fluid inclusions in granites and their relationships with present-day groundwater chemistry." European Journal of Mineralogy 10, no. 6 (1998): 1215–26. http://dx.doi.org/10.1127/ejm/10/6/1215.

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Zhou, Junju, Juan Xiang, Lanying Wang, et al. "The Impacts of Groundwater Chemistry on Wetland Vegetation Distribution in the Northern Qinghai–Tibet Plateau." Sustainability 11, no. 18 (2019): 5022. http://dx.doi.org/10.3390/su11185022.

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Groundwater chemistry has an important impact on the vegetation distribution in inland areas. An in-depth understanding of the impact of groundwater chemistry on vegetation can help in developing an effective management strategy to protect the inland ecosystem. The aim of this study was to identify the influence of groundwater chemicals on species diversity and the distribution characteristics of wetland plants at multiple scales based on the groundwater chemical data from 15 sampling points and the distribution data of 13 plants in the Sugan Lake Wetland in 2016. The results show that the gro

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Nakagawa, Kei, Hiroki Amano, Akira Kawamura, and Ronny Berndtsson. "Classification of groundwater chemistry in Shimabara, using self-organizing maps." Hydrology Research 48, no. 3 (2016): 840–50. http://dx.doi.org/10.2166/nh.2016.072.

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Shimabara City in Nagasaki Prefecture, Japan, is located on a volcanic peninsula that has abundant groundwater. Almost all public water supplies use groundwater in this region. For this reason, understanding groundwater characteristics is a pre-requisite for proper water supply management. Thus, we investigated the groundwater chemistry characteristics in Shimabara by use of self-organizing maps (SOMs). The input to SOM was concentrations of eight major groundwater chemical components, namely Cl−, NO3−, SO42–, HCO3−, Na+, K+, Mg2+, and Ca2+ collected at 36 sampling locations. The locations con

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Somervuori, Mervi, Elisa Isotahdon, Maija Nuppunen-Puputti, Malin Bomberg, Leena Carpén, and Pauliina Rajala. "A Comparison of Different Natural Groundwaters from Repository Sites—Corrosivity, Chemistry and Microbial Community." Corrosion and Materials Degradation 2, no. 4 (2021): 603–24. http://dx.doi.org/10.3390/cmd2040032.

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In Finland, the repositories for low and intermediate-level radioactive waste (LLW and ILW) will be situated at three different geographical locations in about 60 to 100 m deep granite bedrock where the waste and waste containers can be subjected to anoxic groundwater containing microbes. The composition of groundwater varies in terms of chemistry and microbial activity in different locations. In this study, groundwater from the three repository areas was analyzed in respect to chemistry and microbial community. Corrosion tendency of three steel grades, carbon steel AISI/SAE 1005 and stainless

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N., Pavithra, and Ramakrishnaiah C. R. "Hydrochemical Characteristics of Groundwater in and around the Peenya Industrial Area in Bengaluru City." WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT 19 (December 31, 2023): 1399–409. http://dx.doi.org/10.37394/232015.2023.19.127.

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The present study aims to use the Water Quality Index (WQI) modeling method to know about groundwater hydrochemistry and drinking suitability in and around (5 km) the Peenya industrial area/estate in Bengaluru city. For this research study, 116 bore well samples were collected and examined for the pre (dry) and post (wet) monsoon seasons in 2021, following APHA standard procedures. According to the BIS standard, the TH, Ca, Mg, NO3, and TDS exceed the desirable limits in both seasons. The water quality examination data shows that TDS concentration is found to be higher above the desired limit

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Jing, Xiuyan, Hongbin Yang, and Na Wang. "Study on the hydro-chemistry process after mixing between water and rocks." Water Quality Research Journal 54, no. 2 (2018): 104–14. http://dx.doi.org/10.2166/wcc.2018.284.

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Abstract The chemical evolution of groundwater has received close attention from hydro-geologists. Northwest China largely consists of arid and semi-arid regions, where surface water and groundwater frequently exchange with each other, and where the mixing and water–rock interactions significantly affect the direction of water quality evolution. Based on experimental simulation, this paper investigates the interactions among the Yellow River water, groundwater and rocks in Yinchuan. The study found that when groundwater is mixed with the Yellow River water, the Yellow River water has a certain

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Vasilache, Nicoleta, Gabriela Geanina Vasile, Elena Diacu, Cristina Modrogan, Iuliana Claudia Paun, and Florinela Pirvu. "Groundwater quality assessment for drinking and irrigation purpose using GIS, Piper diagram, and water quality index." Romanian Journal of Ecology & Environmental Chemistry 2, no. 2 (2020): 109–17. http://dx.doi.org/10.21698/rjeec.2020.214.

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The chemical behavior of groundwater is one of the most dynamic areas of environmental research. In the present study, groundwater sampling from different locations in the central and south-eastern parts of Romania was performed to assess groundwater chemistry and to compare water types using distribution maps. Groundwater chemistry has been evaluated and natural processes are identified as control factors for hydrochemistry. The Piper diagram was created to compare the results of water types. Chemical analysis of groundwater was used to calculate the values of the water quality index. Romania

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Vahith R., Abdul, Sajitha I., Sirajudeen J., Muneer Ahamath J., Syed Abuthahir S.S., and Mohamed Mahadir A. "Analyzing the Quality and Stability of Ground Water for Irrigation and Human Use in Salem District, Tamil Nadu, India, Using a Hydrological Technique." International Journal of Zoological Investigations 08, Spl 1 (2022): 48–56. http://dx.doi.org/10.33745/ijzi.2022.v08i0s1.006.

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The physicochemical properties of groundwater were studied by collecting and analysing samples from several sites in and around the Salem region. Thirty samples of groundwater were taken at random from both open wells and borewells. The water quality metrics pH, EC, TDS, Cl-, Bi, SO4 2-, Si, Fe, Al, Ca++, Mg++, and Na+ were used to evaluate the groundwater in the Salem area. Different locations in the Salem area provided information on the quality of the groundwater in the month of October, 2021. The WHO and BIS criteria were used to evaluate the groundwater's viability as a source of drinking

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