Determination of Dar-zarrouk parameters for prediction of Aq | 16824
International Research Journals

International Research Journal of Geology and Mining

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Determination of Dar-zarrouk parameters for prediction of Aquifer protective capacity: A case of Agbani Sandstone Aquifer, Enugu State, Southeastern Nigeria.


Austin C. Okonkwo* and Gabriel Z. Ugwu

The prediction of the protective capacity of Agbani Sandstone Aquifer, within the Enugu state university of science and technology, Agbani campus was investigated using the Dar - Zarrouk parameters. The study area is underlain by Agbani Sandstone and Awgu Shales. A total of 13 (thirteen) vertical electrical sounding (VES) was carried out within the study area. Longitudinal conductance, longitudinal resistivity, transverse resistance and apparent resistivity data was computed from the interpreted VES data. The longitudinal conductance data was used to predict the protective capacity of the Agbani Sandstone Aquifer. Three protective capacity zones were delineated; the good, moderate and poor/weak protective zones. Areas around the Auditorium, V.C’s lodge and the existing borehole are within zone of good protective capacity, while health centre and hostel’s 1 and 2 are within zone of poor/weak protective capacity. The Agbani Sandstone is however more than 80% protected from surface and underground fluid contamination within the study area. The information provided from this study should therefore guide future groundwater development in the study area.

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