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Journal articles on the topic 'Aquifer parameters and hydrochemistry'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ali, Ali Hussein. "Hydrochemistry of the Dammam Unconfined Aquifer Southern Desert, West Iraq." Iraqi Geological Journal 54, no. 1A (2020): 84–98. http://dx.doi.org/10.46717/igj.54.1a.8ms-2021-01-29.

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The type of groundwater in the studied area is slightly brackish. In general, the dominant water type is calcium-sulfate. The reasons behind these different chemical groundwater types can be referred to the active ion exchange between the groundwater of the Dammam aquifer and Rus Formation. The groundwater of the Dammam unconfined aquifer is not suitable for human drinking in all the parameters properties. The groundwater class is fair in the Qasir Al-Ukhaider area, while the Shebcha area and Al-Salman area are poor class except the eastern part of Al-Salman area is very poor.

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Eftimi, Romeo, and Franko Sara. "QUANTITY AND QUALITY OF GROUNDWATER OF INTERMOUNTAIN BASIN OF KORÇA IN ALBANIA AND IMPLICATION FOR SUSTAINABLE MANAGEMENT." Geological Journal, no. 4 (December 28, 2022): 45–64. http://dx.doi.org/10.30836/igs.1025-6814.2022.4.261519.

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Korça intermountain basin is the largest of its kind in Albania and from the hydrogeological point of view represents a semiclosed intermountain basin developed in Pliocene-Holocene granular unconsolidated deposits, which maximal thickness is about 300 m. The aquifer consists of intergranular gravelly to sandy layers containing artesian groundwater and the drilling wells are free flowing on most of the basin surface. The main recharge of the intergranular aquifer comes mainly from the rivers and torrents flowing from mountain gorges around the Korça Plain. The natural groundwater drainage of K

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E.Y., Mbiimbe, Ezeigbo H.I., and Dike E.F.C. "GROUND WATER POTENTIALS OF NUMAN AND ENVIRONS, ADAMAWA STATE, NORTH-EASTERN, NIGERIA." Continental J. Earth Sciences 3 (July 7, 2008): 59–70. https://doi.org/10.5281/zenodo.824309.

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Numan town is situated along the confluence of rivers Benue and Gongola and is a road junction town about some 60 km west of Yola. Lithologic logs of 7 boreholes, field measurement data, stream flow and meteorological data and hydrochemical data generated from sampling and analysis of groundwater from 17 points (7boreholes and 10 handdug wells) were evaluated to establish the potentials of groundwater in Numan area. The area receives about 800mm of rainfall annually out of which 80% is lost through surface runoff and evapotranspiration while about 20% goes to recharge the groundwater system. G

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Méndez-Rodriguez, Lia C., Susan C. Gardner, Luis Brito-Castillo, Baudilio Acosta-Vargas, Jobst Wurl, and Sergio T. Alvarez-Castañeda. "Distinguishing the Hydrochemistry of Two Hydrological Basins in Northern Mexico Using Factor Analysis." Water Quality Research Journal 43, no. 2-3 (2008): 111–19. http://dx.doi.org/10.2166/wqrj.2008.014.

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Abstract Hydrochemical parameters of groundwater from two hydrological basins in northwestern Mexico were measured. In one of them is located the city of Puerto Peñasco, and in the other one is the city of El Rosarito. A factor analysis was used to characterize the main influences that affected the water quality of each region. Based on the results of this method, the aquifer located in Rosarito is mainly affected by seawater intrusion and the presence of high levels of manganese, while the groundwater characteristics at Puerto Peñasco are influenced by reductive conditions, probably caused by

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Al-Sudani, Hussein Ilaibi Zamil. "Hydrochemistry of Groundwater in Northeast Part of Anbar Governorate – West of Iraq." Baghdad Science Journal 16, no. 1 (2019): 0088. http://dx.doi.org/10.21123/bsj.16.1.0088.

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A groundwater quality assessment has been carried out in northeast part of Anbar governorate in western Iraq. We analyzed hydrochemical parameters such as pH, electrical conductivity, total dissolved solids presence of ions to describe groundwater quality. The study area has the only confined aquifer within the geological formation extended in area. Values of groundwater hydrochemical parameters were ranged from (7) to (7.9) for ph, (1599) to (6800) µmhos/cm for electrical conductivity (EC) and (1048) to (4446) mg/l for total dissolved solids (TDS). The origins and types of groundwater in the

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Al-Sudani, Hussein Ilaibi Zamil. "Hydrochemistry of Groundwater in Northeast Part of Anbar Governorate – West of Iraq." Baghdad Science Journal 16, no. 1 (2019): 0088. http://dx.doi.org/10.21123/bsj.2019.16.1.0088.

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A groundwater quality assessment has been carried out in northeast part of Anbar governorate in western Iraq. We analyzed hydrochemical parameters such as pH, electrical conductivity, total dissolved solids presence of ions to describe groundwater quality. The study area has the only confined aquifer within the geological formation extended in area. Values of groundwater hydrochemical parameters were ranged from (7) to (7.9) for ph, (1599) to (6800) µmhos/cm for electrical conductivity (EC) and (1048) to (4446) mg/l for total dissolved solids (TDS). The origins and types of groundwater in the

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Hernández, M. A., N. González, and M. Levin. "Multivariate Analysis of a Coastal Phreatic Aquifer Using Hydrochemical and Isotopic Indicators, Buenos Aires, Argentina." Water Science and Technology 24, no. 11 (1991): 139–46. http://dx.doi.org/10.2166/wst.1991.0346.

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Hydrochemical and isotopic indicators were used to improve diagnosis in an area where the outcrops of the hydrogeological units were previously defined. Environmental isotopes (18 Oxygen, Deuterium and Tritium) have been applied while interpretation with both tools (Chlorides-18 Oxygen) was done as well. The use of this kind of tracers allowed us to settle the hydrodynamic mechanisms, specially the recharge zones with nearly 10 TU values and how underground discharge occurs in lowlands, beach, Samborombon Bay and Samborombon River. Looking for a compatibility between hydrodynamics and hydroche

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Díaz-Curiel, Jesús, Bárbara Biosca, Lucía Arévalo-Lomas, and María Jesús Miguel. "A Different Processing of Time-Domain Induced Polarisation: Application for Investigating the Marine Intrusion in a Coastal Aquifer in the SE Iberian Peninsula." Sensors 23, no. 2 (2023): 708. http://dx.doi.org/10.3390/s23020708.

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This study presents the developments regarding the time-domain induced polarisation method as a supporting tool for resistivity soundings during investigations of coastal detrital aquifers that are salinized by marine intrusion. The interpretation of resistivity measurements in such aquifers, which have variable hydrochemistry and lithology, involves uncertainties owing to the presence of low-resistivity lithologies, such as clays. To reduce these uncertainties, the use of other geophysical parameters is necessary; hence, this study focuses on induced polarisation since it can be measured simu

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Tschritter, Conny, Christopher J. Daughney, Sapthala Karalliyadda, Brioch Hemmings, Uwe Morgenstern, and Catherine Moore. "Estimation of groundwater age distributions from hydrochemistry: comparison of two metamodelling algorithms in the Heretaunga Plains aquifer system, New Zealand." Hydrology and Earth System Sciences 27, no. 23 (2023): 4295–316. http://dx.doi.org/10.5194/hess-27-4295-2023.

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Abstract. Groundwater age or residence time is important for identifying flow and contaminant pathways through groundwater systems. Typically, groundwater age and age distributions are inferred via lumped parameter models based on measured age tracer concentrations. However, due to cost and time constraints, age tracers are usually only sampled at a small percentage of the wells in a catchment. This paper describes and compares two methods to increase the number of groundwater age data points and assist with validating age distributions inferred from lumped parameter models. Two machine learni

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Do, Hyun-Kwon, Soonyoung Yu, and Seong-Taek Yun. "Hydrochemical Parameters to Assess the Evolutionary Process of CO2-Rich Spring Water: A Suggestion for Evaluating CO2 Leakage Stages in Silicate Rocks." Water 12, no. 12 (2020): 3421. http://dx.doi.org/10.3390/w12123421.

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Eighteen water samples collected from eight CO2-rich springs in the northern part of the Gyeongsang sedimentary basin (GSB), South Korea showed distinct hydrochemistry, in particular, pH, total dissolved solids (TDS), and Na contents, and they were classified into four groups: (1) Group I with low pH (average of 5.14) and TDS (269.8 mg/L), (2) Group II with high TDS (2681.0 mg/L) and Na-enriched (202.9 mg/L), (3) Group III with intermediate Na content (97.5 mg/L), and (4) Group IV with Na-depleted (42.3 mg/L). However, they showed the similar partial pressure of CO2 (0.47 to 2.19 atm) and stab

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Moussa Diagne Faye, Vini Yves Bernadin Loyara, Amadou Keita, et al. "Hydrogeochemical Processes in Basement Areas Using Principal Component in Burkina Faso (West African Sahel)." Journal of Environmental & Earth Sciences 7, no. 1 (2024): 1–17. http://dx.doi.org/10.30564/jees.v7i1.6932.

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The basement aquifers in Burkina Faso are increasingly exposed to groundwater pollution, largely due to socio-economic activities and climatic fluctuations, particularly the reduction in rainfall. This pollution makes the management and understanding of these aquifers particularly complex. To elucidate the processes controlling this contamination, a methodological approach combining principal component analysis (PCA) and multivariate statistical techniques was adopted. The study analyzed sixteen physicochemical parameters from 58 water samples. The primary objective of this research is to asse

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Khong, Ling Xin, Nur Hidayah Ahmad Nizar, Suhaina Ismail, Noor Aida Saad, Muhammad Azfar Kamaruddin, and Hareyani Zabidi. "Assessing the Groundwater Quality and Hydrogeochemical Characteristics of Karst Aquifers in Kinta Valley, Perak." Applied Mechanics and Materials 920 (March 5, 2024): 219–25. http://dx.doi.org/10.4028/p-g1fyrs.

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The rich karstic limestone aquifer in Kinta Valley, Perak is a potential resource of clean water in the future when the surface water resources will deplete and insufficient to support the growing population. A proper preliminary evaluation of groundwater hydrogeochemistry is essential for knowing the proper application and maintaining the available groundwater as a sustainable resource. Four production wells in Kinta Valley are sampled and analyzed for physicochemical parameters from 2018 to 2020. In this study, major chemical compounds, pH, total hardness (TH), and total dissolved solids (TD

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Coulidiati, Tani Fatimata Andréa, Angelbert Chabi Biaou, Moussa Diagne Faye, et al. "Groundwater Vulnerability in the Kou Sub-Basin, Burkina Faso: A Critical Review of Hydrogeological Knowledge." Water 17, no. 9 (2025): 1317. https://doi.org/10.3390/w17091317.

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Groundwater resources in the Kou sub-basin of southwestern Burkina Faso play a critical role in supporting domestic water supply, agriculture, and industry in and around Bobo-Dioulasso, the second-largest city in Burkina Faso. This study synthesizes over three decades of research on groundwater vulnerability, recharge mechanisms, hydrochemistry, and residence time across the region’s sedimentary aquifers. The Kou basin hosts a complex stratified system of confined and unconfined aquifers, where hydrochemical analyses reveal predominantly Ca–Mg–HCO3 facies, alongside local nitrate (0–860 mg/L),

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Chen, Xuequn, Cuihong Han, Shuxin Li, et al. "Exploring the Hydrogeochemical Formation and Evolution of the Karst Aquifer System in the Yufu River Based on Hydrochemistry and Isotopes." Sustainability 16, no. 15 (2024): 6580. http://dx.doi.org/10.3390/su16156580.

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Jinan, renowned as the “Spring City” in China, relies significantly on karst groundwater as an indispensable resource for socio-economic development, playing a crucial role in ecological regulation, tourism, and historical and cultural aspects. The Yufu River basin, situated within Jinan’s karst region, represents a vital riverine leakage zone. Therefore, investigating the evolutionary characteristics and causative mechanisms of surface water and groundwater at different aquifer levels in the Yufu River basin can provide a scientific foundation for the protection of Jinan’s springs. This study

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Khadka, Karishma, and Moti Lal Rijal. "Hydrogeochemical assessment of spring water resources around Melamchi, Central Nepal." Water Practice and Technology 15, no. 3 (2020): 748–58. http://dx.doi.org/10.2166/wpt.2020.066.

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Abstract Groundwater in the hills and mountains is manifested as springs, the major water sources for people in Nepal's mountainous regions. The aim of this study was to investigate the seasonal variations of in-situ groundwater physicochemical parameters, evaluate groundwater hydrochemistry with respect to water types, and identify groundwater chemistry control mechanisms by analyzing spring water. The area's geology is dominated by schist and gneiss. Depression and fracture springs occur widely. The study involved observation of seasonal variations in in-situ physicochemical parameters, pH,

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Hilberg, Sylke, Florian Sändler, and Florian Fürlinger. "Hydrogeology of alpine lakes in the Northern Calcareous Alps: a comparative study on the role of groundwater in Filblingsee and Eibensee." Austrian Journal of Earth Sciences 115, no. 1 (2022): 199–212. http://dx.doi.org/10.17738/ajes.2022.0010.

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Abstract In the Northern Calcareous Alps (NCA) there are countless small lakes with small orographic catchments that are often located only slightly below the respective summit regions. On the one hand, the lakes are located in karstable aquifers and their existence is likely to be related to karstification. Then, they are expected to be directly connected to the karst water body. These lakes are classified as karst lakes. On the other hand, the alpine environment is also influenced by glacial processes and lakes might be related to glacial erosion and deposition. For these glacial lakes, the

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Isa, N. M., A. Z. Aris, W. N. A. Wan Sulaiman, A. P. Lim, and L. J. Looi. "Comparison of monsoon variations over groundwater hydrochemistry changes in small Tropical Island and its repercussion on quality." Hydrology and Earth System Sciences Discussions 11, no. 6 (2014): 6405–40. http://dx.doi.org/10.5194/hessd-11-6405-2014.

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Abstract. Study on the spatial and temporal distribution of groundwater hydrochemistry in the small tropical islands is important as their insular character may expose the groundwater aquifer to too many sources of pollution, especially salinization. A total of 216 groundwater samples were collected from the monitoring boreholes during two different monsoon seasons; pre- and post-monsoon. As overall, data of groundwater concentration illustrated a trend of Ca > Na > Mg > K and HCO3 > Cl > SO4 dominations with the major finding of two different groundwater types. Pre-monsoon repo

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Nouayti, Nordine, El Khalil Cherif, Manuel Algarra, et al. "Determination of Physicochemical Water Quality of the Ghis-Nekor Aquifer (Al Hoceima, Morocco) Using Hydrochemistry, Multiple Isotopic Tracers, and the Geographical Information System (GIS)." Water 14, no. 4 (2022): 606. http://dx.doi.org/10.3390/w14040606.

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The chemical characterization of the Ghis-Nekor groundwater has become a concern of many researchers in Morocco. It is a crucial indicator for the environment situation and the socioeconomic development of this Moroccan region. Indeed, it helps decisionmakers carry out conscious and sustainable management. For this reason, 20 samples of the Ghis-Nekor aquifer were examined in terms of physicochemical parameters such as pH, temperature, electrical conductivity (EC), and total alkalinity (Alk), major cations–anions (Ca2+, Mg2+, Na+, K+, HCO3−, Cl−, SO42−, NO3−, and TDS), isotopic elements (δ18O,

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A. M., Shuaibu, Garba M. L., and Abubakar I. Y. "Hydrochemical characterization and evaluation of groundwater quality of zamfara area, northwest, nigeria." Global Journal of Geological Sciences 20, no. 1 (2022): 25–40. http://dx.doi.org/10.4314/gjgs.v20i1.3.

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This study deals with hydrochemical assessment of groundwater within the lithological framework underlain Zamfara State, Northwestern Nigeria with the aim of ascertaining its suitability for human consumption. Groundwater samples were collected from boreholes tapping the aquifer of the area and analyzed for various physico-chemical parameters, such as total dissolve solids, electrical conductivity (Ec), pH, temperature, Na+, K+, Ca2+, Mg2+, HCO3, Cl-, SO4, NO3, PO4, and trace elements (Mn, Cu, Zn, Fe, Pb and Cr). The results obtained were subjected to multivariate statistical analysis, water q

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Darwish, Mahmoud H., Hanaa A. Megahed, Asmaa G. Sayed, Osman Abdalla, Antonio Scopa, and Sedky H. A. Hassan. "Hydro-Geochemistry and Water Quality Index Assessment in the Dakhla Oasis, Egypt." Hydrology 11, no. 10 (2024): 160. http://dx.doi.org/10.3390/hydrology11100160.

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Water quality is crucial to the environmental system and thus its chemistry is important, and can be directly related to the water’s source, the climate, and the geology of the region. This study focuses on analyzing the hydrochemistry of specific locations within the Dakhla Oasis in Egypt. A total of thirty-nine groundwater samples representing the Nubian Sandstone Aquifer (NSSA) and seven surface water samples from wastewater lakes and canals were collected for analysis. Key parameters such as pH, electrical conductivity (EC), and total dissolved solids (TDS) were measured on-site, while maj

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Greggio, Nicolas, Beatrice M. S. Giambastiani, Pauline Mollema, et al. "Assessment of the Main Geochemical Processes Affecting Surface Water and Groundwater in a Low-Lying Coastal Area: Implications for Water Management." Water 12, no. 6 (2020): 1720. http://dx.doi.org/10.3390/w12061720.

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Hydrogeochemical analyses were carried out to identify geochemical processes occurring in the low-lying coastal aquifer of Ravenna, North Adriatic Sea (Italy). The area is characterized by a complex coexistence of several environments: coastal dunes, paleodunes, pine forests, freshwater wetlands, rivers, brackish lagoons, gravel pit lakes, reclaimed lands, agricultural fields and industrial areas. Water quality is of primary importance for the sustainability of these, areas and a full understanding of geochemical processing is fundamental for their management. A total of 104 water samples was

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Ghanem, Marwan, África de la Hera-Portillo, Alsharifa Hind Mohammad, Nour-Eddine Laftouhi, Badiaa Chulli, and Fagr Kh Abdel-Gawad. "The Geodiversity of Springs in the Potential Jericho Geopark/Palestine." Resources 11, no. 12 (2022): 110. http://dx.doi.org/10.3390/resources11120110.

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The objective of this study is to investigate the hydrogeological and hydrochemical characteristics of the spring aquifer system in the potential Jericho Geopark in Jericho, Palestine. The spring’s hydrochemistry influences the physical and hydrochemical characteristics of Jericho Geopark in qualitative potentials. The springs are used for domestic water supplies and irrigation in Jericho area, which is considered as one of the most important agricultural baskets of the West Bank feeding from the “spring system complex”. From the geological and structural point of view, the area is considered

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Wali, Saadu Umar, Murtala Abubakar Gada, Isah Hamisu, Kabiru Jega Umar, and Isa Garba Abor. "Evaluation of shallow groundwater in Rural Kebbi State, NW Nigeria, using multivariate analysis: implication for groundwater quality management." MOJ Ecology & Environmental Sciences 7, no. 3 (2022): 65–75. http://dx.doi.org/10.15406/mojes.2022.07.00249.

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This study assessed shallow groundwater in rural Kebbi State using Pearson’s Correlation (r), Factor Analysis (FA), and Hierarchical Cluster Analysis (HCA). One hundred (100) shallow groundwater samples were drawn randomly from hand-dug shallow wells in 10 Local Government Areas (LGAs). Physical parameters (pH, temperature, TDS, EC, salinity) were analysed in situ using hand-held metres. Separate water samples were taken to analyse ions (Fe, Zn, K, Mg, Mg, HCO3, Ca). Results revealed that shallow groundwater is lightly acidic, except in Zuru and Fakai LGAs, where an alkaline condition occurred

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Meena, Vijay Pal, and Arun Vyas. "An Appraisal of Groundwater resources and its Hydrochemistry in Ladnun Block of Nagaur District, Central part of Rajasthan, India." International Journal for Research in Applied Science and Engineering Technology 12, no. 1 (2024): 30–43. http://dx.doi.org/10.22214/ijraset.2024.57851.

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Abstract: Groundwater is an important source that provides support to all habitants in the arid to semi-arid regions of Rajasthan. The current study contributes to the rising demand for potable water in Ladnun block in the northern part of Nagaur district; situated in the central part of Rajasthan. This paper concentrates on the Evaluation of the hydrogeological and hydrogeochemical aspects of groundwater in the Ladnun block which encompasses three notable aquifers: Older Alluvium, Bilara Limestone, and Jodhpur sandstone. An attempt was made to understand the groundwater quality as well as its

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ULFA, YUNIARTI, TAAT SETIAWAN, DASAPTA E. IRAWAN, et al. "HYDROGEOLOGICAL AND HYDROCHEMICAL STUDIES OF AQUIFERS SYSTEM FOR THE BENEFIT OF SUSTAINABILITY IN THE WALINI URBAN AREA, WEST JAVA, INDONESIA." JOURNAL OF SUSTAINABILITY SCIENCE AND MANAGEMENT 19, no. 10 (2024): 72–87. https://doi.org/10.46754/jssm.2024.10.007.

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A combined iso-potentiometric mapping and hydrochemistry study was conducted in the Walini urban area to assess the quality and suitability of groundwater for domestic and other purposes regarding Walini’s urban development. The direction of groundwater flow is northeast-southwest, based on observations from 22 water tables between 2022 and 2023. Groundwater samples obtained from dug wells, bore wells, and springs were analysed to determine physicochemical parameters (EC and pH) and concentrations of major ions. The result indicates that the groundwater is freshwater. It contains calcium (Ca2+

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Sharma, Garima, Priya Tanwar, and Pallavi Mishra. "SPATIOTEMPORALDYNAMICITY OF ENVIRONMENTAL VARIABLES AND WATER QUALITY INDEX IN AQUIFERS AND GROUNDWATER OF BLUE CITY USING MULTIVARIATE STATISTICAL TECHNIQUE." RASAYAN Journal of Chemistry 15, no. 03 (2022): 1867–75. http://dx.doi.org/10.31788/rjc.2022.1537012.

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Thecurrent research investigates the quality of ten different surface water sites in and around Jodhpur using water quality ratings. This paper gives insight into water pollution's qualitative and quantitative extent. The water quality index (WQI)is usedfor assessing and comparing water quality. In each study region, a five-point grading scale was adopted to classify water quality as a single understandable value. Twelveparameters were employed for determining the WQI of different sites: turbidity, TSS, TDS, conductivity, alkalinity, hardness, calcium, magnesium, chloride, fluoride, and nitrat

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Bongiolo, Alessandra De Barros e. Silva, Francisco José Fonseca Ferreira, André Virmond Lima Bittencourt, and Eduardo Salamuni. "CONNECTIVITY AND MAGNETIC-STRUCTURAL COMPARTMENTALIZATION OF THE SERRA GERAL AND GUARANI AQUIFER SYSTEMS IN CENTRAL STATE OF PARANÁ (PARANÁ BASIN, BRAZIL)." Revista Brasileira de Geofísica 32, no. 1 (2014): 141. http://dx.doi.org/10.22564/rbgf.v32i1.402.

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ABSTRACT. Recent research projects on the Guarani Aquifer System (GAS-granular), Paraná Basin, Brazil, have been evaluating the tectonic control and its hydrogeological potential, flow patterns, chemical properties and environmental protection aspects.One of this projects is the present research that has investigated a structured area in central State of Paraná of about 23,000 km2, delimited by coordinates 24◦00’S and 25◦00’S, 51◦00’W and 53◦00’W. The study involves Geographic Information System (GIS) integration of aeromagnetic, geological and structural characterization of lineaments based o

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Mughal, Asima, Khawar Sultan, Kamran Ashraf, et al. "Risk Analysis of Heavy Metals and Groundwater Quality Indices in Residential Areas: A Case Study in the Rajanpur District, Pakistan." Water 14, no. 21 (2022): 3551. http://dx.doi.org/10.3390/w14213551.

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Continuous monitoring of drinking water quality is essential in terms of the levels of heavy metals and toxic substances, especially in developing countries like Pakistan. Therefore, this study aimed to investigate groundwater quality in residential areas of the Rajanpur District, Pakistan. Groundwater samples (n = 200) were collected from various sites in the study area and analyzed by in situ tests (pH, EC, TDS, temperature, and turbidity), and the concentration of 32 dissolved elements and ions was also analyzed. The results showed that higher concentrations of dissolved elements are the pr

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Al-Sudani, Hussein Ilaibi Zamil. "Groundwater Utilization and Water Quality in Khanaqin District, Diyala Governorate, Northeast of Iraq." Resources Environment and Information Engineering 6, no. 1 (2025): 305–12. https://doi.org/10.25082/reie.2024.01.004.

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Groundwater is often considered the main source of freshwater in many places worldwide. Due to their importance and susceptibility to depletion and contamination, efficient management of groundwater resources is needed. Groundwater quality depends on many factors, including geology, source water quality, and land use type. The present study dealt with the hydrochemistry of groundwater resources in the Khanaqin district, which is located in Diyala Governorate in the northeast of Iraq. The exposed geological formations in Khanaqin district range in age from Upper Jurassic up to Recent. Quaternar

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Wen, Yao, Jiahao Qiu, Si Cheng, Changchang Xu, and Xiaojiang Gao. "Hydrochemical Evolution Mechanisms of Shallow Groundwater and Its Quality Assessment in the Estuarine Coastal Zone: A Case Study of Qidong, China." International Journal of Environmental Research and Public Health 17, no. 10 (2020): 3382. http://dx.doi.org/10.3390/ijerph17103382.

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Identification of geochemical characters and the influence of river and seawater on coastal areas are of significant impact on water resources management in coastal areas globally. Thus, it requires careful investigation of the hydrochemical evolution mechanisms and assessment of the quality of shallow groundwater. The study specifically focused on the estuarine coastal zone of Qidong, China, a city located on the Yangtze estuary. Thirty shallow groundwater samples and five surface water samples were collected during a field investigation, and 25 water quality indexes were analyzed. Methods in

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Santos, Cleber De Jesus, Luca Lämmle, Vinicius Borges Moreira, Jefferson De Lima Picanço, Ronaldo Luiz Mincato, and Joaquim Ernesto Bernardes Ayer. "Avaliação da qualidade da água em aquífero raso em Campos dos Goytacazes, Rio de Janeiro, Brasil." Revista Brasileira de Geografia Física 14, no. 6 (2021): 3241. http://dx.doi.org/10.26848/rbgf.v14.6.p3241-3254.

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Diversas formas de uso e ocupação em áreas urbanas tem ocasionado impactos ambientais negativos em diferentes escalas, sendo um deles a degradação dos recursos hídricos, que tem suscitado novas discussões sobre mecanismos de alteração da água subterrânea rasa. A proposição de estratégias metodológicas eficientes a partir da identificação e dimensionamento de características hidroquímicas da água em determinado espaço geográfico, consiste em desafio oportuno a colaborar para a conservação e uso adequado. Diante desse contexto, o objetivo do trabalho é analisar a qualidade da água no aquífero ra

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Liu, Zaihua, Chris Groves, Daoxian Yuan, and Joe Meiman. "South China Karst Aquifer Storm-Scale Hydrochemistry." Ground Water 42, no. 4 (2004): 491–99. http://dx.doi.org/10.1111/j.1745-6584.2004.tb02617.x.

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Davis, Madison, and James Garey. "Microbial Function and Hydrochemistry within a Stratified Anchialine Sinkhole: A Window into Coastal Aquifer Interactions." Water 10, no. 8 (2018): 972. http://dx.doi.org/10.3390/w10080972.

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Anchialine sinkholes provide insight into coastal aquifer systems and coastal mixing processes. Aquifer microbial community function is usually inferred from hydrochemical information, but there are few direct studies of microbial communities in the Floridan Aquifer. Hospital Hole is a 43 m-deep stratified sinkhole under the Weeki Wachee River, FL, with three distinct brackish layers: a hypoxic layer, a chemocline and a sulfidic anoxic layer. Illumina sequencing and bioinformatic tools were used to reconstruct metabolic functions and interactions of microbial communities in each layer. Each la

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Sun, Linhua, Song Chen, and Herong Gui. "Source identification of inrush water based on groundwater hydrochemistry and statistical analysis." Water Practice and Technology 11, no. 2 (2016): 448–58. http://dx.doi.org/10.2166/wpt.2016.049.

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Water source identification is important for water hazard controlling in coal mines. In this study, major ion concentrations of the groundwater collected from four representative aquifer systems in the Baishan coal mine, northern Anhui Province, China, have been analysed by a series of statistical methods. The results indicate that the major ion concentrations of the groundwater from different aquifer system are different with each other, and provided the possibility of water source identification based on hydrochemistry. Factor analysis indicates that these differences are controlled by diffe

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Li, Chengsong, Jie Fang, Feisheng Feng, Tingting Yao, Yongping Shan, and Wanli Su. "Differential Evolution in Hydrochemical Characteristics Amongst Porous, Fissured and Karst Aquifers in China." Hydrology 12, no. 7 (2025): 175. https://doi.org/10.3390/hydrology12070175.

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The efficacy of water resource management and protection hinges on a profound understanding of the controlling factors and regulatory mechanisms that shape groundwater chemistry within aquifers. Despite this, our comprehension of how groundwater chemistry and ion sources vary across diverse aquifer types remained limited. To bridge this gap, our study conducted a detailed hydrochemical and statistical investigation of porous, fissured, and karst aquifers. By applying multivariate statistical techniques, including principal component analysis (PCA) and hierarchical cluster analysis (HCA), the h

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Elfirdoussi, Asma, Namira El Amrani Paaza, and Aziz Soulaimani. "Hydrogeological characterization of Settat Ben Ahmed plateau aquifer (Central Morocco)." E3S Web of Conferences 489 (2024): 06002. http://dx.doi.org/10.1051/e3sconf/202448906002.

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This study aims to determine groundwater dynamic and hydrochemistry for a better understanding of a hydrogeological unity of sedimentary rock to learn about chemical processes and water quality of Settat Ben Ahmed plateau aquifer. The findings reveal the chemical facies change according to the depth and geological nature of the aquifer captured. Samples of deeper point captured upstream and from Cenomano-Turonien limestones are HCO3-Ca-Mg type and account for lowest electric conductivity (EC) values. However, samples of shallow points and downstream are Cl-SO4-Ca with important EC values.

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Lu, H. Y. "Characterization of extractable metals from the aquifers with arsenic contamination in the Tsengwen Creek, Taiwan." Soil and Water Research 9, No. 2 (2014): 66–76. http://dx.doi.org/10.17221/42/2013-swr.

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Arsenic contamination in groundwater is a common groundwater problem worldwide. To manage groundwater resources effectively, it is crucial to determine the arsenic source. Taiwan&rsquo;s Tsengwen Creek watershed is one of the known areas for groundwater arsenic contamination. Water-rock interactions are evaluated on a regional scale. A conceptual hydrogeological framework is first established based on groundwater hydrochemistry. The local aquifer system can be categorized into high-arsenic deep aquifer and low-arsenic shallow aquifer. The average geochemistry of sediments indicates that ar

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Lima, Alexandre de O., Nildo da S. Dias, Francisco P. Lima Filho, Miguel Ferreira Neto, Priscila R. do A. Rego, and Anderson de M. Souza. "Hydrochemistry of alluvial aquifer in the Cobra River sub-basin." Revista Brasileira de Engenharia Agrícola e Ambiental 21, no. 11 (2017): 785–90. http://dx.doi.org/10.1590/1807-1929/agriambi.v21n11p785-790.

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ABSTRACT The regional characteristics of waters from alluvial aquifers are different, since they depend on geology and climate. Also, there may be local variation in the quality of the available water when the water source is superficial (rivers and lakes) or is underground due to geology. In order to investigate the groundwater quality of the alluvial aquifer in the Sub-Basin of the Cobra River (RN) for construction of underground dams, five wells, four in the main river and one in the tributary, were monitored in dry and rainy seasons, during two hydrological years. Fifteen water samples fro

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Darling, W. G., D. C. Gooddy, B. L. Morris, and D. W. Peach. "The hydrochemistry of a Chalk aquifer during recovery from drought." Quarterly Journal of Engineering Geology and Hydrogeology 45, no. 4 (2012): 473–86. http://dx.doi.org/10.1144/qjegh2012-022.

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de Melo, M. T. Condesso, M. A. Marques da Silva, and W. M. Edmunds. "Hydrochemistry and flow modelling of the Aveiro multilayer Cretaceous Aquifer." Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere 24, no. 4 (1999): 331–36. http://dx.doi.org/10.1016/s1464-1909(99)00009-x.

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Aris, A. Z., M. H. Abdullah, A. Ahmed, and K. K. Woong. "Controlling factors of groundwater hydrochemistry in a small island’s aquifer." International Journal of Environmental Science & Technology 4, no. 4 (2007): 441–50. http://dx.doi.org/10.1007/bf03325979.

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Martínez, Daniel E., and Margarita Osterrieth. "Hydrochemistry of an aquifer in Quaternary loess like sediments in the Pampean Plain, Argentina." Revista Facultad de Ingeniería Universidad de Antioquia, no. 66 (March 18, 2013): 9–23. http://dx.doi.org/10.17533/udea.redin.13073.

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Loess like sediments cover an area of about 1.800.000 km2 in the Pampa plain of Argentina, forming an aquifer system which is used for water supply for most of the cities an rural population in the region. This aquifer supplies water to agricultural productive activities that contribute to about a 60% of the national gross produce of the country. In this paper, detailed studies in a local sector of the aquifer near to Mar del Plata, in the landÆ lling area of the city, are performed. The main goal is to characterise the hydrogeochemical processes giving the chemical groundwater composition, an

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Iihola, H., T. Ala-Peijari, and H. Seppänen. "Aquifer Thermal Energy Storage in Finland." Water Science and Technology 20, no. 3 (1988): 75–86. http://dx.doi.org/10.2166/wst.1988.0084.

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The rapid changes and crises in the field of energy during the 1970s and 1980s have forced us to examine the use of energy more critically and to look for new ideas. Seasonal aquifer thermal energy storage (T &lt; 100°C) on a large scale is one of the grey areas which have not yet been extensively explored. However, projects are currently underway in a dozen countries. In Finland there have been three demonstration projects from 1974 to 1987. International co-operation under the auspices of the International Energy Agency, Annex VI, ‘Environmental and Chemical Aspects of Thermal Energy Sto

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Ozler, Murat H. "Hydrochemistry and salt-water intrusion in the Van aquifer, east Turkey." Environmental Geology 43, no. 7 (2003): 759–75. http://dx.doi.org/10.1007/s00254-002-0690-0.

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Alnoory, Marram, and Qusai Al-Kubaisi. "Hydrochemistry of the Injana Unconfined Aquifer in Ameriat Al-Falluja, Iraq." Iraqi Geological Journal 55, no. 2E (2022): 201–18. http://dx.doi.org/10.46717/igj.55.2e.14ms-2022-11-28.

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Water samples were collected from 15 wells in Ameriat Al-Falluja, in two periods in order to study the groundwater hydrochemistry characteristics and evaluation the quality of the groundwater to determine their suitability for different uses. Hydrochemistry includes analyses of major constituents (Na+, Mg2+, Ca2+, K+, Cl-, SO42-and HCO3-), and minor ionic (NO3-, PO4-3) as well as trace elements (Cu, Mn, Pb, Ni, Cd, Cr, and Zn). The results indicate that Ca2+ is the most common cation, which could be due to carbonate rock dissolution, and that SO42- is the most common anion, which could be due

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Al-Shaibani, Abdulaziz M. "Hydrogeology and hydrochemistry of a shallow alluvial aquifer, western Saudi Arabia." Hydrogeology Journal 16, no. 1 (2007): 155–65. http://dx.doi.org/10.1007/s10040-007-0220-y.

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K, Anisha, Joji V.S., Vijesh V.K., and Anitha Shyam T.S. "Incidence of Brackishness in Ground Water from Bore Wells Drilled in Deeper Aquifers in Parts of Kozhikode District, Kerala, Southern India." Journal of Geosciences Research 10, no. 1 (2025): 7–13. https://doi.org/10.56153/g19088-024-0209-63.

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Seasonal salinity along river mouths is generally observed in the coastal tracts of Kerala at places. The problem is felt during summer season with the incursion of sea water along river mouths, which imparts brackishness to the adjoining phreatic aquifer systems along the coastal tracts of Kerala. This process is reversible through seasons; during the rainy season, the aquifer freshens up and by summer it becomes brackish. However, the reports of brackish water in bore wells tapping deeper crystalline formations are quite rare in Kerala. This paper discusses the comparison of hydrochemical ch

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Huang, Jiyu, Yanyan Ge, and Sheng Li. "Mixed-Unit-Model-Based and Quantitative Studies on Groundwater Recharging and Discharging between Aquifers of Aksu River." Sustainability 14, no. 11 (2022): 6936. http://dx.doi.org/10.3390/su14116936.

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The confined aquifer in the Aksu River Basin is the main aquifer for drinking water within the area. In this study, the unconfined aquifer and the confined aquifer in the Aksu River Basin were divided into different water circulation units through analysis of their flow field. After the hydrochemistry and isotope characteristics of each unit were analyzed, these data were used as water volume quantitative information of the aquifer according to the mixed-unit model. With this quantitative information, the transformation relationship between the unconfined aquifer and the confined aquifer, the

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Fengjuan, Zhang, Xing Liting, Wang Song, Zhuang Huibo, Dou Tongwen, and Yang Zengyuan. "Research on Formation Mechanism of Jiyang Shallow Saline Ground Water." Open Chemical Engineering Journal 9, no. 1 (2015): 155–60. http://dx.doi.org/10.2174/1874123101509010155.

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Shallow salt water in the inland plain has huge development potential. Taking saline water area in Sungeng Town, Jiyang County as an example, based on field water quality and water table tests., tracing test, methods such as mathematical statistical, hydrochemistry diagram of piper and numerical simulation by PHREEQC are used to analyze synthetically. 6862 groups data were studied. Results showed: (1) The groundwater presents typically “weather - evaporation” type, chemistry type is Cl.SO4-Mg.Na. and Cl.SO4-Na.Mg type. (2) In area of inland saline water presents characteristics of lagging wate

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Pino-Vargas, Edwin, Jorge Espinoza-Molina, Eduardo Chávarri-Velarde, Javier Quille-Mamani, and Eusebio Ingol-Blanco. "Impacts of Groundwater Management Policies in the Caplina Aquifer, Atacama Desert." Water 15, no. 14 (2023): 2610. http://dx.doi.org/10.3390/w15142610.

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Groundwater constitutes one of the main sources used to satisfy the water demands of the different users located in a basin. Current groundwater pumping rates in many cases exceed natural recharge, resulting in the overexploitation of aquifers and the deterioration of water quality. Consequently, many aquifer systems in the world have applied and adapted policies to manage the use of groundwater. In this article, we investigate the impacts of groundwater management policies on the Caplina aquifer located in the Atacama Desert, Peru. To evaluate these impacts, we review policies and regulations

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