Geophysical investigation of the source of river Ethiope in Ukwuani LGA of Delta State, Nigeria

Okolie, EC; Osemeikhean, Jea; Atakpo, EA; Oseji, Julius Otutu

doi:10.4314/njphy.v17i1.37987

Cited by 2 publications

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“…The partial curve matching technique using two layer standard curves (master curves) and the auxiliary curves were used to obtain the initial values of the resistivity and thickness of the subsurface layers (Zohdy, 1974;Okolie et al, 2005;Zohdy et al, 1974). These values were fed into the winresist software for computer iteration (Vande Velpen, 2004).…”

Section: Methodsmentioning

confidence: 99%

Electrical Resistivity Survey for Groundwater Potential and Estimation of Clay Deposit in Aragba-Okpe, Okpe Local Government Area, Delta State Nigeria

Oseji

Egbai

2018

SJPU

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Electrical resistivity survey employing Vertical Electrical Sounding techniques of Schlumberger arrangement were carried out at seven (7) fairly distributed stations with 154 Vertical Electrical Soundings in Aragba-Okpe. The data obtained from the field were plotted on a log-log graph and interpreted qualitatively by inspection and quantitatively by partial curve matching. The results obtained were improved with the aid of computer iteration using the Winresist Software to delineate the thickness and depth of each layers as well as the resistivity value. These layers were grouped together in to geologic depth intervals known as the Geoelectric sections for interpretations. Using knowledge of both the local geology of Aragba-Okpe and the resistivity of the layers, the Geoelectric sections were interpreted. The study revealed that boreholes for sustainable water supply could be drilled to a depth of 30 m in Aragba-Okpe, However, the fifth layer within Aragba Primary School, Aragba Secondary School and Oviri Aragba Road (VES 1, 5 and 7) are the best locations for sustainable water supply The overburden protective capacities of the aquifer in Aragba-Okpe were evaluated using the Dar-zarrouk parameters. The result also revealed poor aquifer protection ratings of less than 0.1 in all the stations. The groundwater in Aragba-Okpe is therefore not protected and prone to contamination in the event of pollution.

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Section: Methodsmentioning

confidence: 99%

Electrical Resistivity Survey for Groundwater Potential and Estimation of Clay Deposit in Aragba-Okpe, Okpe Local Government Area, Delta State Nigeria

Oseji

Egbai

2018

SJPU

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“…Almost all these workers tend to agree that the evolution of the Benue trough (Depression) is intimately connected to that of the South Atlantic Ocean. [11] Suggest that the Gulf of Guinea, the Benue depression and the South Atlantic developed between RRR (Ridge-Ridge-Ridge) triple junction, one situated under the present Niger Miogeosynchine and other situated north of the Takafu rift structure of Guyana. This structure linked the North and South Atlantic opening, [8] gave a plate tectonic model.…”

Section: Introductionmentioning

confidence: 99%

Geo-Electrical Data Analysis to Demarcate Groundwater Pocket Zones In Kaltungo And Environes, Northeastern Nigeria

Mohammed¹,

Ibrahim²

2014

IOSRJAGG

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Investigation have been made for groundwater exploration using Vertical Electrical Sounding (VES) data acquired from 6 (six) locations distributed in Kaltungo and Environs with a maximum electrode spread of AB/2 = 100m. This is an attempt to obtain useful information on the aquifer distribution within the area and hence delineate possible areas for groundwater development. Based on Iso-resistivity maps, geo-electric section, Longitudinal Unit conductance parameters for aquifer characteristics shows the southeastern part of the study area as favorable area for Groundwater exploration. The groundwater potential zone has been identified based on geo-electrical, iso-resistivity and Longitudinal Unit Conductance. Based on these studies the average resistivities of all the layers are ρ 1

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Geophysical investigation of the source of river Ethiope in Ukwuani LGA of Delta State, Nigeria

Cited by 2 publications

References 0 publications

Electrical Resistivity Survey for Groundwater Potential and Estimation of Clay Deposit in Aragba-Okpe, Okpe Local Government Area, Delta State Nigeria

Electrical Resistivity Survey for Groundwater Potential and Estimation of Clay Deposit in Aragba-Okpe, Okpe Local Government Area, Delta State Nigeria

Geo-Electrical Data Analysis to Demarcate Groundwater Pocket Zones In Kaltungo And Environes, Northeastern Nigeria

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