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Table 6

Principal components (PCs) of groundwater in Azarshahr and Ajabshir planes

 Azarshahr plane
Ajabshir plane
PC1PC2PC3PC4PC1PC2PC3
% Total variance 43.1 20.6 11.5 9.2 60.6 17.5 10.3 
HCO3 0.013 0.057 0.078 0.974 0.952 0.106 0.218 
NO3 0.076 −0.024 0.866 0.280 0.050 0.449 0.836 
SO4 0.859 0.411 0.275 0.020 0.448 0.805 0.042 
Cl 0.610 0.557 0.030 0.396 0.460 0.873 0.088 
0.077 0.074 0.836 −0.075 −0.404 0.852 −0.026 
Ca 0.815 0.233 0.273 −0.018 0.878 0.337 0.184 
Mg 0.734 −0.212 −0.345 0.085 0.596 −0.115 0.040 
Na −0.150 0.556 0.600 0.223 0.497 0.775 0.219 
0.120 0.643 0.580 −0.285 0.894 0.152 0.052 
EC 0.656 0.575 0.257 0.047 0.869 0.449 0.196 
pH −0.101 −0.914 0.032 −0.144 −0.294 0.168 −0.909 
TDS 0.617 0.433 0.192 0.613 0.869 0.449 0.196 
TH 0.930 −0.090 −0.105 0.025 0.944 0.238 0.163 
 Azarshahr plane
Ajabshir plane
PC1PC2PC3PC4PC1PC2PC3
% Total variance 43.1 20.6 11.5 9.2 60.6 17.5 10.3 
HCO3 0.013 0.057 0.078 0.974 0.952 0.106 0.218 
NO3 0.076 −0.024 0.866 0.280 0.050 0.449 0.836 
SO4 0.859 0.411 0.275 0.020 0.448 0.805 0.042 
Cl 0.610 0.557 0.030 0.396 0.460 0.873 0.088 
0.077 0.074 0.836 −0.075 −0.404 0.852 −0.026 
Ca 0.815 0.233 0.273 −0.018 0.878 0.337 0.184 
Mg 0.734 −0.212 −0.345 0.085 0.596 −0.115 0.040 
Na −0.150 0.556 0.600 0.223 0.497 0.775 0.219 
0.120 0.643 0.580 −0.285 0.894 0.152 0.052 
EC 0.656 0.575 0.257 0.047 0.869 0.449 0.196 
pH −0.101 −0.914 0.032 −0.144 −0.294 0.168 −0.909 
TDS 0.617 0.433 0.192 0.613 0.869 0.449 0.196 
TH 0.930 −0.090 −0.105 0.025 0.944 0.238 0.163 
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