Research Article

Delineation of Fractured Aquifer Using Numerical Analysis (Factor) of Resistivity Data in a Granite Terrain

Table 1

Factor calculation for corresponding AB/2 and app. resistivity.

AB/2 in mBoreholes drilled in these locations
VES-1VES-4VES-6VES-2VES-3VES-5VES-7
FactorFactorFactorFactorFactorFactorFactor

1.545.28417.0940.6244.4846.13315.4429.68
21.00883445.680.661248275.81.01846441.370.97347143.31.00888846.540.7912757249.61.06098431.49
2.50.51989947.290.259637179.90.56580146.390.51868345.530.52088148.270.2859975161.60.61631537.7
30.35594949.210.141729123.70.36064846.30.36186348.240.35547050.10.1702356123.70.43845543.35
40.28096752.670.06791867.680.31715155.40.29391453.360.28700854.830.081426369.240.34777149.46
50.23783057.110.04022942.810.27077562.30.24132656.690.23520657.830.047782743.940.25615649.1
60.20148759.890.03372237.330.24098870.460.20929461.030.19786060.090.038712237.30.21766852.41
80.16946260.520.02872532.870.23558685.480.19490768.730.17971965.380.033792333.820.15986246.87
100.15139563.230.02925634.440.19990289.620.170875720.15497466.510.033702534.870.12283141.77
120.13103163.010.02922535.410.16790090.320.13762867.90.13046764.670.030752432.890.10955141.83
150.10803758.760.02979937.160.12915081.140.11492064.50.10903961.10.03202135.30.0977241.4
180.09106454.880.03075939.50.101494720.10657466.690.09460158.790.032548137.030.07925936.86
200.07766951.070.03113341.210.08712668.080.09940168.830.08355956.840.032892738.640.07325936.77
220.06812048.270.03105742.390.07900167.110.08597465.450.07465955.030.032455139.380.06853736.92
250.06072445.960.03161444.490.06907163.310.07443861.540.06716253.20.033214941.610.06457537.17
280.05519244.310.03164445.940.06353762.260.06646659.040.06237952.730.033862343.830.06240438.24
300.05313245.010.03139447.020.05940561.910.06245159.160.05880652.810.033313744.580.0625340.71
350.04955444.210.03539854.680.05785963.880.05737957.750.05851655.640.034886548.240.0625443.26
400.04817645.110.03778260.430.05787967.60.05814661.880.05851058.890.03960856.680.06434147.29
450.04779646.910.03773262.630.06071075.010.05625663.350.05247055.90.03961258.930.06773852.99
500.04721048.550.03892667.050.05952478.010.05867469.790.05126357.480.040294362.320.07137859.62
550.04720850.840.04032972.170.06171885.70.05867873.890.05229261.640.042226667.940.07400966.23
600.05037456.810.04252679.170.06355793.70.05924478.980.05408767.090.04390373.620.07653673.56
700.05610466.460.04578988.870.069995109.750.06360089.810.06098779.740.052173791.330.08800891.06
800.06286878.650.04575092.860.070262117.880.067480101.350.06567891.110.057101105.170.09577107.81
900.06795690.360.055785118.410.070277126.190.071585114.770.06566897.080.057103111.180.09576118.13
1000.071976102.210.059156132.570.081632156.880.071582122.980.074482117.340.0635124130.720.10649143.94
1100.061911146.950.084208175.040.077386142.470.077548131.270.0653707143.090.110763165.66
1200.064117161.610.087642197.520.080434159.540.0671315156.550.113322188.26
1300.066831179.250.088282216.40.082234176.230.0666616165.890.114282211.37
1400.067502193.150.083147192.84
1500.067509206.210.084579212.47