Efficacy of Hummel (Modified Schlumberger) Arrays of Vertical Electrical Sounding in Groundwater Exploration: Case Study of Parts of Ibadan Metropolis, Southwestern Nigeria

<div>Statistical plot of apparent resistivity data for location 22 (augen gneiss) (a) Hummel against conventional Schlumberger (VES) and (b) “Half-Hummel” against conventional Schlumberger (VES).</div>

International Journal of Geophysics

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Figure 21

Figure 21: Efficacy of Hummel (Modified Schlumberger) Arrays of Vertical Electrical Sounding in Groundwater Exploration: Case Study of Parts of Ibadan Metropolis, Southwestern Nigeria 

Figure 21 | Efficacy of Hummel (Modified Schlumberger) Arrays of Vertical Electrical Sounding in Groundwater Exploration: Case Study of Parts of Ibadan Metropolis, Southwestern Nigeria 