The uses of geophysical methods in hydrogeological study of Grombalia plain (Northeastern Tunisia)

Chouchene, Amani Ben; Lachaal, Fethi; Zouhri, Lahcen; Boualaares, Achref; Gabtni, Hakim

doi:10.1007/s12517-021-09332-0

Cited by 6 publications

(2 citation statements)

References 25 publications

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“…Indeed, a detailed geological reconstruction was essential for shaping both the cross-sections and the hydrogeological conceptual model. This necessitated an exhaustive examination of all available lithological sequences within the Grombalia basin, combined with incorporating outcomes from geophysical investigations to identify tectonic faults precisely [35,36]. Concurrently, a total of 30 available pumping tests were analyzed using OUAIP (Outil d'Aide à l'Interprétation des Pompages d'essais) software to evaluate the hydrodynamic characteristics of the Grombalia aquifer system.…”

Section: Methodsmentioning

confidence: 99%

A Hydrogeological Conceptual Model Refines the Behavior of a Mediterranean Coastal Aquifer System: A Key to Sustainable Groundwater Management (Grombalia, NE Tunisia)

Ben Saad,

Ben Alaya,

Taupin

et al. 2023

Hydrology

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The Mediterranean coastal aquifer system of the Grombalia basin (NE Tunisia) offers immense potential as a source of fresh water for agriculture, industry, and drinking water supply. Nonetheless, due to its intricate hydrogeological characteristics and the prevailing issue of groundwater salinity, comprehending its groundwater system behavior becomes crucial for the effective and sustainable management of this aquifer system. Based on the hydrogeological characterization of the Grombalia basin, a novel 3D hydrogeological conceptual model was developed to enhance the understanding of its complex aquifer system. The integration of insights from geological, hydrogeological, hydrodynamic, and hydrochemical components facilitated the construction of the hydrogeological conceptual model. Although the model’s validity faced initial uncertainties due to spatial interpolation of lithological sequences, this study’s thorough and encompassing hydrogeological investigation overcame these limitations. As a result, a more informed comprehension of the aquifer system complexities was achieved. This study reveals that the basin is underlain by an extensive, cohesive Mio–Plio–Quaternary aquifer system. The model demonstrates vertical and lateral hydrogeological continuity between the Quaternary and underlying Mio–Pliocene deposits, enabling groundwater flow and exchange between these layers. Over-abstraction of the Mio–Plio–Quaternary aquifer system has led to a significant drop in piezometric levels and raised the risk of seawater intrusion. These findings emphasize the critical necessity of taking into account the interconnections among hydrogeological units to ensure sustainable groundwater management. The developed conceptual model offers a key tool for understanding the hydrodynamic functioning of the Grombalia aquifer system with a view toward guiding future groundwater management strategies. The application of this approach in the Grombalia basin suggests its potential applicability to other regional aquifers facing comparable challenges.

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Section: Methodsmentioning

confidence: 99%

A Hydrogeological Conceptual Model Refines the Behavior of a Mediterranean Coastal Aquifer System: A Key to Sustainable Groundwater Management (Grombalia, NE Tunisia)

Ben Saad,

Ben Alaya,

Taupin

et al. 2023

Hydrology

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“…Measuring the electrical resistivity by electromagnetic in time-phase and vertical electrical sounding techniques have been generally used to solve the groundwater prospecting impediments and hydrogeology, delineate the potentiality of groundwater in and its geology, define the aquifer, saltwater intrusion, and detect the subsurface structures (e.g., Nowroozi et al, 1999;Sultan and Santos, 2008;Araffa, 2010;Mohamed et al, 2012;Araffa et al, 2015;;Araffa et al 2017;Basheer et al, 2020;Mosaad and Basheer, 2020;Alezabawy et al 2021;Babatunde et al, 2022;Chouchene et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Characterization and Evaluation of Groundwater in Wadi Abu Gurdi, West Baranis area, South Eastern Desert Egypt: Geophysical and Hydrogeochemical Investigations

Alezabawy

Basheer

Ammar

2022

Frontiers in Scientific Research and Technology

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Information collected from geophysical and geochemical data has been used in investigating the groundwater resources potential, hydrogeochemical characteristics, major hydrogeochemical processes that govern groundwater chemistry, quality and suitability assessment for drinking and irrigation uses from six wells of shallow quaternary aquifer in southern part of Eastern Desert, Egypt. A total of 32 Time-Domain electromagnetic soundings (TDEM) in time phase and vertical electrical soundings (VES) were measured on the same sites to detect the subsurface geological section and delineate water-bearing layers. The results of geoelectrical interpretation calibrated with gamma ray and resistivity logs of drilled wells. The findings illustrated that the subsurface section has four geoelectrical layers. The second layer represents the freshwater aquifer. Our results demonstrated that the dominant hydrogeochemical facies observed in this area is Ca + Mg-Cl + SO4 and mixed Ca + Mg-Cl + SO4 type. According to Base Exchange index (r1) and ( r2), the water classified as Na-SO4 type, which is associated with salinization (r1<1) and deep meteoric percolation type (r2<1). The groundwater chemistry depends on reverse ion exchange weathering of carbonate minerals as well as silicate weathering. Moreover, evaporation process controlling factors of groundwater chemistry in quaternary aquifer. Results from EC, sodium adsorption ratio (SAR), soluble sodium percentage (SSP), permeability index (PI) and magnesium hazard (MH) reveal that most of groundwater is relatively appropriate for Agricultural purposes.

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Seismic reflection interpretation and structural characterization of a strategic deep aquifer reservoir in a semi-arid region: a case study of the Oued Gueniche plain, Northern Tunisia

Zaghdoudi,

Al Haji,

Sifi

et al. 2024

Acta Geophys.

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The uses of geophysical methods in hydrogeological study of Grombalia plain (Northeastern Tunisia)

Cited by 6 publications

References 25 publications

A Hydrogeological Conceptual Model Refines the Behavior of a Mediterranean Coastal Aquifer System: A Key to Sustainable Groundwater Management (Grombalia, NE Tunisia)

A Hydrogeological Conceptual Model Refines the Behavior of a Mediterranean Coastal Aquifer System: A Key to Sustainable Groundwater Management (Grombalia, NE Tunisia)

Characterization and Evaluation of Groundwater in Wadi Abu Gurdi, West Baranis area, South Eastern Desert Egypt: Geophysical and Hydrogeochemical Investigations

Seismic reflection interpretation and structural characterization of a strategic deep aquifer reservoir in a semi-arid region: a case study of the Oued Gueniche plain, Northern Tunisia

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