Hydrogeochemical and GIS Analysis of Groundwater Quality for Drinking and Irrigation Purposes in Kuzhithuraiyar Sub-Basin, Kanniyakumari District, Tamil Nadu, India
Table 5
Correlation coefficient of analyzed parameters of Kuzhithuraiyar sub-basin during postmonsoon.
pH
EC
TDS
Ca
Mg
Na
K
Cl
SO4
CO3
HCO3
NO3
F
pH
1
−0.036
−0.036
−0.004
0.107
−0.064
−0.041
−0.077
0.064
0.645
0.148
−0.197
0.079
EC
1
1.000
0.933
0.864
0.986
0.496
0.984
0.717
−0.142
0.842
0.685
0.320
TDS
1
0.933
0.864
0.986
0.496
0.984
0.717
−0.142
0.842
0.685
0.320
Ca
1
0.836
0.878
0.365
0.923
0.747
−0.008
0.784
0.568
0.442
Mg
1
0.805
0.313
0.824
0.711
0.086
0.860
0.468
0.405
Na
1
0.471
0.979
0.673
−0.213
0.818
0.685
0.244
K
1
0.436
0.228
−0.119
0.440
0.474
0.137
Cl
1
0.686
−0.198
0.761
0.655
0.301
SO4
1
0.024
0.604
0.299
0.421
CO3
1
0.078
−0.319
0.160
HCO3
1
0.410
0.333
NO3
1
0.020
F
1
Correlation is significant at the 0.01 level (2-tailed) . Correlation is significant at the 0.05 level (2-tailed).