Lithological Identification and Underground Water Conditions in Jeddo Using Geophysical and Geochemical Methods

Iserhien-Emekeme, Ruth E.; Ofomola, Merrious Oviri; Bawallah, M. A.; Anomohanran, Ochuko

doi:10.3390/hydrology4030042

Cited by 10 publications

(4 citation statements)

References 11 publications

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“…From the hydraulic conductivity classification scheme of Vrbka et al (1999), the aquifer in the area is described as permeable, which imply a productive high yielding aquifer. Results of transmissivity (Table 4) suggest a prolific aquifer with moderate to high groundwater potential as shown in Figure 8 ( Iserhien-Emekeme et al, 2017). The storage capacity results of 0.421 m²/min showed a high yielding aquifer that can support heavy pumping (Anomohanran, 2015).…”

Section: Pumping Test Resultsmentioning

confidence: 93%

Evaluation of geophysical parameters for groundwater productivity in the Commune of Jesse, Delta State Nigeria

Ofomola,

Abriku,

Anomohanran

et al. 2023

Nig J Bas App Sci

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Aquifer geohydraulic properties in Jesse were studied by the application of vertical electrical sounding (VES) and pumping test. The VES data was collected using ABEM SAS 1000 Terrameter and results processed using manual matching of curves and computer iteration, and interpreted in the forms of geologic models and geoelectric layers. The aquiferous unit was found at a depth of 5.30 m to 30.30 m with a range of resistivity from 87.30 Ω-m to 1945.40 Ω-m. Dar-Zarrouk parameters estimation and results of borehole pumping test produced the aquifer hydraulic parameters. The hydraulic conductivity values range from8.171 - 8.279 m/day, transmissivity from 43.8770 - 517.7480 m2/day, and formation factor from 0.369 - 8.501. These results are indications of a prolific and high yielding aquifer capable of withstanding long duration of pumping. Results of groundwater electrical conductivity and total dissolved solids ranged from 11.65 - 198.80 μs/cm, and 29.40 - 35.40 mg/dm3 respectively, signifying very moderate mineralization of the groundwater. The average electrical conductivity of 68.04 μS /cm and total dissolved solids of 32.58 mg/L were lesser than the acceptable limits of the Nigerian Standard for Drinking Water Quality (NSDWQ) of 1000 μS/cm and 500 mg/L respectively. This study affirmed that the aquifer in Jesse is suitable for groundwater exploitation for local and regional purposes.

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Section: Pumping Test Resultsmentioning

confidence: 93%

Evaluation of geophysical parameters for groundwater productivity in the Commune of Jesse, Delta State Nigeria

Ofomola,

Abriku,

Anomohanran

et al. 2023

Nig J Bas App Sci

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“…With the increased computing power and advanced 3D numerical models, datasets such as drill logs and geo-electrical resistivity data are used as input to construct detailed 3D geological models of groundwater flow systems [20,23]. For example, drill log and vertical electrical sounding (VES) data were combined to construct 3D geological models of a groundwater basin and it was reported that the combined method improved the representation of the groundwater flow system and reduced model uncertainties [21,[30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Using an Open-Source Tool to Develop a Three-Dimensional Hydrogeologic Framework of the Kobo Valley, Ethiopia

Mekonen,

Boyce,

Mohammed

et al. 2023

Geosciences

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Groundwater resource management requires understanding the groundwater basin’s hydrogeology and would be improved with the development of a three-dimensional hydrogeologic framework model (HFM). A wide range of methods and software exist to quantify the extent, structure, and properties of geologic systems. However, most geologic software is proprietary and cost-prohibitive for use in developing countries. GemPy is a Python-based, open-source (no-cost) tool for generating three-dimensional geological models. This study uses available data and GemPy to develop the Kobo Valley Hydrogeologic Framework Model (KV-HFM), a three-dimensional HFM for Kobo Valley in northern Ethiopia, which is part of the East African Rift System. The KV-HFM is a conceptual model that comprises the hydrostratigraphy, structural features, and hydraulic properties of the Kobo Valley groundwater system. The limited data described the extent and altitude of the hydrostratigraphic units using the GemPy implicit potential–field interpolation. The KV-HFM showed the existence of an east-to-west, structural-based groundwater divide composed of volcanic rock and clay. This divide splits the catchment into two groundwater systems with limited interconnected flow. This study illustrates the use of open-source software for developing an HFM using sparse, existing geologic data.

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“…Extensive pumping test is costly and therefore, it is rarely carried out in practice. Surface geoelectric measurements offer an alternative approach for the evaluation of some of the aquifer properties for extensive groundwater studies (Ekanem et al, 2020, Iserhien-Emekeme et al, 2017Ofomola, 2014). Adopting only geoelectrical methods, do not substitute completely for trial drilling to determine groundwater conditions, yet in many situations, it can minimize the number of trial wells by giving a superior selection of the location of test borehole points (Yadav and Abolfazli, 1998).…”

Section: Introductionmentioning

confidence: 99%

Mapping of aquifer hydraulic properties in Ogbeje and Umeghe in Abraka, Delta State Nigeria: insights from geophysical and hydrogeological methods

Ofomola¹,

Eyituoyo²,

Anomohanran³

2022

JTRSS

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Vertical Electrical Sounding (VES), Pumping test, well logging and grain size analysis were conducted with the aim of studying the subsurface geophysical formation in order to determine aquifer characteristics such as hydraulic conductivity, transmissivity and other parameters for groundwater exploration purposes around Ogbeje and Umeghe, Abraka Delta State. Nine (9) VES stations were occupied and the results obtained from the computer iterations suggest 4 to 5 geoelectric layers. The aquiferous layers wwerefound at a depth ranging from 20.0 m – 38.3 m with resistivity ranging from 2200 ?m to 8500 ?m and thickness varying between 6.7 and 20.0 m. The VES study reveals the possibility of having a maximum drill depth the o water table of about 38 m. The results obtained from the pumping test and well logginwereas used to estimate the transmissivity value of T = 0.0722 m2/min, storativity S = 0.00063, specific capacity of the well = 0.39 m2/min and hydraulic conductivity, K= 8.5 m/day while the result from the grain size analysis gave hydraulic conductivity as Kmin= 12.96 m/d to Kmax = 26.96 m/d respectively. Thus, these results indicate that the aquifer is capable of proda ucing sufficient amount of water for both domestic and industrial purposes for the people in the area.

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Lithological Identification and Underground Water Conditions in Jeddo Using Geophysical and Geochemical Methods

Cited by 10 publications

References 11 publications

Evaluation of geophysical parameters for groundwater productivity in the Commune of Jesse, Delta State Nigeria

Evaluation of geophysical parameters for groundwater productivity in the Commune of Jesse, Delta State Nigeria

Using an Open-Source Tool to Develop a Three-Dimensional Hydrogeologic Framework of the Kobo Valley, Ethiopia

Mapping of aquifer hydraulic properties in Ogbeje and Umeghe in Abraka, Delta State Nigeria: insights from geophysical and hydrogeological methods

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