Hydro-Geoelectrical Study for Groundwater Potential of Lassa And Environs, North Eastern Nigeria



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Submitted Sep 4, 2021
Published Sep 27, 2021
10.24018/ejgeo.2021.2.5.181

Abstract viewed = 248 times

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Twenty-two Vertical Electrical Sounding (VES) were carried out to evaluate groundwater potential and aquifer protective capacity of the overburden units using Schlumberger configuration. It was observed that H-curve is the dominant curve type in the study area. The Geo-electro stratigraphic section revealed that the geologic sequence beneath the study area is composed of topsoil, highly weather basement, partly fractured basement and fresh basement. The first layer has an average thickness and resistivity of 1 m and 130 Ωm, respectively. The second layer has an average thickness of 14 m and an average resistivity of 53 Ωm. The third layer is partly fracture basement with an average resistivity of 747 Ωm while at some VES point represents fresh basement. The highly weathered basement and partly fracture basement layer make up the water bearing formation of the area. Dar-Zarrouk parameter revealed that the area under study has protective capacity range from weak to good capacity of the overburden material. Areas that are classified as poor and weak are indicative areas are thus vulnerable to infiltration of leachate and other surface contaminations. The groundwater potential of the area ranges from low to moderate potential; the moderate zone constitutes 86% while the low potential constitutes 14% of the study area. The transverse resistance within the study area ranges from 119.6 to 6983.7 ohms-m2 with an average value of 1024.59 ohms-m2. Hydraulic conductivity values determined from geoelectrical technique range from 3.05 to 38.04 m/day with an average value of 14.86 m/day.

Keywords: Dar-Zarrouk, Geo-electrostratigraphi, Lassa, Protective Capacity, VES

References

  1. V. A. Akinbinu, “Delineation of saline water intrusion to safe-inland groundwater resource,” Ocean Coastal Manag, vol. 116, pp. 162-168, 2015.
     Google Scholar
  2. B. D. Ako and M. O. Olorunfemi, “Geo-electric survey for groundwater in newer basalt of Vom, Plateau State,” Journal of Geology and Mining, vol. 25, pp. 247-249, 1989.
     Google Scholar
  3. M. R. Islam, S. Ostaficzuk, and S. Baba, The Geology of the basement complex of Northern part of the Mandara Hills, Nigeria annual of Borno Vol. VI/VII, University of Maiduguri press, pp. 23-25, 1989.
     Google Scholar
  4. J. D. Carter, “Rocks and field assessment,” pp. 30-34, 1963.
     Google Scholar
  5. M. O. Olorunfemi, and S. A. Fasuyi, “Aquifer types and the geoelectric /Hydrogeologic characteristics of part of the central basement Terrain of Nigeria (Niger State),” Journal of African Earth Science,vol. III, pp. 27-33, 1993.
     Google Scholar
  6. A. I. Olayinka, “Non uniqueness in the interpretation of Bed rock resistivity from sounding curves and hydrological implications,” Journal of Nigeria association of hydrologist, vol. 7 (1&2). pp. 49-55, 1996.
     Google Scholar
  7. A. E. Edet, and C. S. Okereke, “Assessment of hydrogeological conditions in Basement Aquifers of the Precambrian Oban Massif, Southeastern Nigeria,” J. Appl. Geophys, vol. 36, pp. 95-204, 1997.
     Google Scholar
  8. A. Nur, and K. N. Ayuni, “Hydrogeophysical study of Minchika and environs, NE Nigeria,” International Journal of the Physical Sciences, vol. 6(34), pp. 7816-7827, 2011.
     Google Scholar
  9. A. Nur and H. I. Matazu, “Hydrogeo-electrical investigation of Fufore and its Environs of Adamawa State, North-eastern Nigeria,” International Journal of Earth Sciences and Engineering (IJEE), Hyderabad, India; vol. 04 (5), pp. 796-806, 2011.
     Google Scholar
  10. I. S. Nggada and A. Nur, “Geo-electrical survey for groundwater potential of Biu and Environs, North Eastern Nigeria,” World Journal of Applied Physics, vol. 2, no. 5, pp. 59-70, 2017. doi: 10.11648/j.wjap.20170205.11.
     Google Scholar
  11. G. Cassiani, and M. A. Medina Jr, “Incorporating auxiliary geophysical data into groundwater flow parameter estimation,” Groundwater, vol. 35, pp. 79–91, 1997.
     Google Scholar
  12. P. C. Heigold, R. H. Gikeson, K. Cartwright, and P. C. Reed, “Aquifer transmissivity from surficial electrical methods,” Groundwater, 17(4), 338-345, 1979.
     Google Scholar
  13. A. G. Bluman, “Elementary Statistics, A step by step Approach,” (2nd Ed.), Mc Graw-Hill, N. York, 637p, 2003.
     Google Scholar