Modelling aquifer parameters using surficial geophysical techniques: a case study of Ovwian, Southern Nigeria

Iserhien-Emekeme, Ruth E.; Ohwoghere‐Asuma, Oghenero; Chinyem, FI; Anomohanran, Ochuko

doi:10.1007/s40808-020-01030-2

Cited by 8 publications

(8 citation statements)

References 31 publications

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“…Soil samples were collected at seven different sample points, close to the VES stations, for critical examination and analysis at the Advance Research Laboratory of the Delta State University Abraka. This will validate the resistivity values obtained in the area (Ofomola et al, 2021). To obtain the soil in its pristine condition free from environmental contamination, samples were taken from a depth of 0.5 meters without any disruption and were promptly stored in airtight sampling bags.…”

Section: Geochemical Methodsmentioning

confidence: 54%

“…Soil heavy metal contamination is a major concern for farming, as it can negatively affect crop growth and human health. Heavy metal contamination of the soil is a major factor contributing to soil pollution (Anomohanran 2015;Iserhien-Emekeme et al, 2021;Ofomola et al, 2021;Rashid et al, 2023). Heavy metals such as Fe, Zn, Ca, and Mg are vital for human health, whereas As, Cd, Pb, and methylated classes of mercury can be dangerous even at low doses.…”

Section: Introductionmentioning

confidence: 99%

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Combined Geophysical and Soil Test Analysis Methods for Soil Precision Mapping in The Delta State University CES Farm Abraka Nigeria

Ofomola,

Abriku,

Utieyin

et al. 2024

Preprint

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Geophysical methods and soil test analysis have been used to study soil properties in the farm of the Centre for Entrepreneurial Studies (CES), Delta State University Abraka Nigeria. Vertical electrical sounding (VES), borehole geophysics, electrical resistivity tomography (ERT) and geochemical methods were used for the study. Seven VES stations were occupied along five traverses used for ERT measurements. Samples of soil close to the VES stations were taken for soil testing and study of grain size to corroborate the results of VES and ERT. The low resistivity of the topsoil obtained from the VES agrees with the ERT and borehole log results and this ranges from fine grained silt topsoil to sandy clay. This is a product of partial decomposition of plants and animals forming organic matter, and ranges from 168–790 Ωm with mean value of 494 Ωm and average depth of 2.3 m. This depth covers the upper root region of some important crop and depict a high amount of moisture and mineral nutrients, and a fair degree of stoniness to aid adequate rooting of the crops. Also, the observed topsoil is high in porosity and water retention which are major suitable factors for the yield of tuber and stem plants. The soil test results gave pH: 6.13–7.16, organic matter: 6.48–8.66%, Nitrogen: 65.72–78.21%, Phosphorus: 53.32–67.43%, Copper: 14.16–22.61 mg/kg, Nickel: 1.16–3.11 mg/kg, Lead: 4.00-8.84 mg/kg, Arsenic: 0.08–0.1 mg/kg Iron: 96.33-151.63 mg/kg. These recorded concentrations are below the WHO standard for crop production.

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Section: Geochemical Methodsmentioning

confidence: 54%

Section: Introductionmentioning

confidence: 99%

Combined Geophysical and Soil Test Analysis Methods for Soil Precision Mapping in The Delta State University CES Farm Abraka Nigeria

Ofomola,

Abriku,

Utieyin

et al. 2024

Preprint

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“…10 ). The lithology generally controls groundwater seepage rates as clay-rich zones typically have low seepages and should retain water for a longer time, thus much more suitable for establishing earthen fishponds [ 56 , [59] , [60] , [61] ]. The interpretations follow the established relationship between resistivity and sediment types [ [57] , [58] , [59] ].…”

Section: Discussionmentioning

confidence: 99%

Using geophysics to guide the selection of suitable sites for establishing sustainable earthen fishponds in the Niger-Delta region of Nigeria

Emmanuel

Doro

Iserhien-Emekeme

et al. 2023

Heliyon

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“…The current study focuses on the delineation and characterization of the groundwater potential zones in the north Omdurman area using vertical electrical sounding techniques combined with lithological logs. Several successful works have been reported in the literature on using the VES method in hydrogeological studies to delineate the potential zones of groundwater or to measure the hydrogeological parameters [19][20][21][22][23][24][25]. The advantage of using geophysical methods over the other methods in aquifer delineation is that they are quick and cost-effective.…”

Section: Introductionmentioning

confidence: 99%

Delineation of groundwater potential zones in northern Omdurman area using electrical resistivity method

Mohammed

Szabó

Szűcs

2023

IOP Conf. Ser.: Earth Environ. Sci.

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This study is conducted in the northern Omdurman area to delineate groundwater potential zones using electrical resistivity method. Omdurman is the most ancient city known as the historical capital of Sudan. Geoelectric survey employing vertical electrical sounding (VES) technique is carried out to explore the availability of groundwater in the study area. The measurements were conducted using Schlumberger configuration. In this study, twelve VES points are measured along four profiles. The measured data is processed and interpreted using 1D geophysical inversion technique constrained by lithological data obtained from two boreholes. The integration of electrical and geological data led to a reliable interpretation of the geophysical model. The obtained results revealed that the geological succession of the study area is mainly composed of five layers of recent deposits, clay, sandy clay, silicified and ferruginous sandstone, and sandstone. According to the resulting hydrogeological sections, the water-bearing formation is composed mainly of coarse sandstone and varies in thickness under confined conditions. The geoelectrical sounding method successfully fulfilled the aims of the study. Nevertheless, detailed hydrogeological and geophysical investigations need to be carried out for a comprehensive characterization of the groundwater aquifer.

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Modelling aquifer parameters using surficial geophysical techniques: a case study of Ovwian, Southern Nigeria

Cited by 8 publications

References 31 publications

Combined Geophysical and Soil Test Analysis Methods for Soil Precision Mapping in The Delta State University CES Farm Abraka Nigeria

Combined Geophysical and Soil Test Analysis Methods for Soil Precision Mapping in The Delta State University CES Farm Abraka Nigeria

Using geophysics to guide the selection of suitable sites for establishing sustainable earthen fishponds in the Niger-Delta region of Nigeria

Delineation of groundwater potential zones in northern Omdurman area using electrical resistivity method

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