Analysis of the interaction between surface water and groundwater using gaseous tracers in a dynamic test at a riverbank filtration intake

Kotowski, Tomasz; Najman, Joanna; Nowobilska-Luberda, A; Bergel, T.; Kaczor, G.

doi:10.1002/hyp.14862

Cited by 7 publications

(4 citation statements)

References 62 publications

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“…The isotope age-dating techniques in NASWF are described in [3]. Similar techniques have been widely used in groundwater systems, not only as simple tracers but also to identify constituents in groundwater and surface-water/groundwater mixing characteristics [4,5]. Isotope age dating in NASWF does not identify sources but can be used for travel time comparisons with particle tracking.…”

Section: Introductionmentioning

confidence: 99%

Insight into Sources of Benzene, TCE, and PFOA/PFOS in Groundwater at Naval Air Station Whiting Field, Florida, through Numerical Particle-Tracking Simulations

Swain,

Landmeyer,

Singletary

et al. 2024

Hydrology

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Past waste-disposal activities at Naval Air Station Whiting Field (NASWF) have led to elevated concentrations of contaminants in the underlying sand and gravel aquifer. Contaminants include two of the most commonly detected chemicals in groundwater in many countries (benzene and trichloroethylene (TCE)) and the “forever chemicals” per- and poly-fluoroalkyl substances (PFAS) such as perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). A MODFLOW model (the Whiting Field Groundwater Model (WFGM)) was previously developed for NASWF and the surrounding area to simulate groundwater flow. To obtain insight into groundwater flow pathways for the identification of potential source areas, the MODPATH particle-tracking application was applied to the WFGM for three public supply wells and three monitoring wells at NASWF. The travel time to recharge areas was estimated using concentrations of the groundwater age-dating solutes tritium (as helium ingrowth) and chlorofluorocarbons detected in the monitoring wells. Simulated travel times agree with the groundwater ages and indicate that the calibrated WFGM reasonably represents groundwater flow velocities and pathways. The MODPATH simulations confirm suspected on-base source areas to explain chemical detection in the monitoring wells. In contrast, the particle-tracking simulations indicate that potential source areas to the public supply wells include both on- and off-base sources. This is important because PFAS chemicals can have multiple sources, including land application of sludge-based fertilizers. This approach that combines groundwater age dating with particle-tracking simulations can be applied at similar sites characterized by benzene-, TCE-, and PFAS-contaminated groundwater.

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Section: Introductionmentioning

confidence: 99%

Insight into Sources of Benzene, TCE, and PFOA/PFOS in Groundwater at Naval Air Station Whiting Field, Florida, through Numerical Particle-Tracking Simulations

Swain,

Landmeyer,

Singletary

et al. 2024

Hydrology

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“…Frei et al (2009) analyzed existing hydraulic connections related to the Cosumnes River, whose lower course represents an alluvial river/aquifer system with a deep water table, typical of semiarid and arid regions [19]. Kotowski et al (2023) studied the surface water/aquifer connection of mountain streams [20].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Gravel and Sand Mining on Groundwater and Surface Water Regimes—A Case Study of the Velika Morava River, Serbia

Kresojevic

Vakanjac

Trifkovic

et al. 2023

Water

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This paper describes how uncontrolled and illegal mining of sand and gravel can affect surface water and groundwater regimes in places where there is a hydraulic connection between them, based on a case study of the Velika Morava River in Serbia. Also, a change in cross-profile geometry, as a result of anthropogenic and natural factors, hinders the preparation of this river for inclusion among Serbia’s waterways. The Velika Morava River’s navigability would enable the development of waterborne transportation for both merchant ships and vessels of the Serbian Armed Forces River Flotilla. Correlations between water levels at gauging stations, as well as correlations between groundwater levels and river water levels at gauging stations, are used to show the dependence of these parameters on the change in the river bed profile after sand and gravel mining at the locations near gauging stations. In addition, the homogeneity of time-series of average annual elevations and the variance of the water levels of the Velika Morava River, measured in gauging stations during different periods, are statistically analyzed. The deepening of the Velika Morava riverbed where it was indiscriminately excavated in the 1980s led to the disruption of the groundwater regime and the hydraulic connection with the river, which lowered the water table of the aquifer used for the public water supply, as well as causing a number of other negative consequences.

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“…1. Przekrój hydrogeologiczny omawianego obszaru badań (Źródło: opracowanie własne)Nowobilska-Luberda, A. A.…”

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“…2. Lokalizacja ujęć wody podziemnej dla Nowego Targu (Źródło: opracowanie własne)Nowobilska-Luberda, A. A.…”

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Formation of Groundwater Chemistry in the Nowy Targ Area in Relation to Land Use

Nowobilska-Luberda¹

2023

ASP.FC

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Aim of the study: The aim of this study was to assess the impact of land development on the chemistry of groundwater. Material and methods: The scope of the study was to analyse the variation in chloride content and the magnitude of electrolytic conductivity over the years 2004-2017 for separate groups of wells in the city of Nowy Targ.Due to the significantly different usage of the land within which the groundwater intakes are located, a grouping of the groundwater intakes was introduced taking this factor into account. Physico-chemical analyses of the samples taken were carried out and archival data was already used.Non-parametric statistical tests such as the Kruskal-Wallis test and the median test were carried out to find statistically significant differences between chloride content and electrolytic conductivity magnitude between the selected groups of intakes. Results and conclusions: The results of the study showed that groundwater chemistry in the analysed wells depends on both natural factors and the nature of land use and the degree of urbanisation. The analyses concluded that land development has a dominant influence on water quality. The Orava-Nowy Targ Basin is a region where groundwater is characterised by a high susceptibility to contamination, and this susceptibility is due to hydrogeological conditions. The results of the tests showed statistically significant differences in chloride content and electrolytic conductivity values between the analysed groups of intakes. The lowest values of the analysed variables, were observed for intakes located in undeveloped areas, far from sources of anthropogenic pressure.

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Analysis of the interaction between surface water and groundwater using gaseous tracers in a dynamic test at a riverbank filtration intake

Cited by 7 publications

References 62 publications

Insight into Sources of Benzene, TCE, and PFOA/PFOS in Groundwater at Naval Air Station Whiting Field, Florida, through Numerical Particle-Tracking Simulations

Insight into Sources of Benzene, TCE, and PFOA/PFOS in Groundwater at Naval Air Station Whiting Field, Florida, through Numerical Particle-Tracking Simulations

The Effect of Gravel and Sand Mining on Groundwater and Surface Water Regimes—A Case Study of the Velika Morava River, Serbia

Formation of Groundwater Chemistry in the Nowy Targ Area in Relation to Land Use

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