Evaluation of the Aquifer Characteristics of Nteje and Environs, Anambra Basin, South Eastern, Nigeria

USMAN, A.O., OMADA, J. I., OMALI, A.O, AKAKURU, O.C

Abstract


Hydro-geophysical investigation of Nteje in Anambra East Local Government and environs were carried out with a view to ascertaining aquifer characteristics in thirteen (13) communities. Field data revealed four to five geo-electric units consisting of saturated aquiferous zonesmade up of one unconfined and three or four confined aquifers.The predicted watertable ranges from 21.5m to 102m with linear increase from NW to SE of the study area.The Isopach map shows that the aquifer is thicker at the NE and NW parts where there are more clusters of the peak contours when compared to the other parts of the study. The aquifer thickness map shows that there are concentrations of sediments. The transmissivity TC calculated from VES result ranges from 0.4750 m2/day to 61.4161 m2/dayand the conductivity varies from 0.0080 m/day to 1.4907 m/day.This implies that the aquifer at Umeri will be adequate for regional water scheme.

KEY WORDS: Geo-electric layers, aquifer, Correlation, Transmissivity

 


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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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