Hydrogeochemical and GIS Analysis of Groundwater Quality for Drinking and Irrigation Purposes in Kuzhithuraiyar Sub-Basin, Kanniyakumari District, Tamil Nadu, India
Table 4
Correlation coefficient of analyzed parameters of Kuzhithuraiyar sub-basin during premonsoon.
pH
EC
TDS
Ca
Mg
Na
K
Cl
SO4
CO3
HCO3
NO3
F
pH
1
0.192
0.192
0.189
0.213
0.178
0.132
0.196
0.116
0.413
0.177
0.019
−0.082
EC
1
1.000
0.941
0.888
0.979
0.470
0.975
0.838
−0.095
0.875
0.489
0.450
TDS
1
0.941
0.888
0.979
0.470
0.975
0.838
−0.095
0.875
0.489
0.450
Ca
1
0.879
0.872
0.408
0.901
0.796
−0.060
0.872
0.479
0.520
Mg
1
0.801
0.327
0.843
0.883
0.038
0.818
0.472
0.562
Na
1
0.423
0.974
0.775
−0.137
0.833
0.395
0.351
K
1
0.380
0.382
0.078
0.439
0.545
0.221
Cl
1
0.796
−0.168
0.767
0.370
0.343
SO4
1
−0.121
0.713
0.431
0.515
CO3
1
0.105
−0.102
0.048
HCO3
1
0.441
0.557
NO3
1
0.473
F
1
Correlation is significant at the 0.01 level (2-tailed) . Correlation is significant at the 0.05 level (2-tailed).