Component

Commonalities

1

2

3

4

Extraction

pH

-0.166

-0.169

0.948^*

0.157

0.980

TDS

-0.148

0.292

0.060

0.934^*

0.983

EC

-0.194

0.280

0.010

0.921^*

0.964

Cl^-

0.830^*

-0.292

-0.155

-0.379

0.942

Na⁺

-0.071

-0.203

0.285

0.925^*

0.983

SO^-2₄

0.694^*

-0.702^*

0.043

-0.059

0.980

F^-

-0.071

-0.246

0.735^*

0.596^*

0.961

Ca²⁺

0.865^*

0.002

-0.191

-0.307

0.879

K⁺

0.929^*

-0.040

-0.198

0.148

0.926

CO₂

-0.088

0.967^*

-0.147

0.092

0.974

H₂CO₃

0.102

0.485

-0.762^*

-0.023

0.827

HCO^-₃

-0.102

0.968^*

-0.122

0.100

0.973

CO⁼₃

-0.118

0.237

0.944^*

0.061

0.966

H₂S

0.572^*

-0.503^*

0.081

-0.237

0.643

NH^-₄

0.519^*

0.367

-0.529^*

-0.038

0.685

Aquifer salinity

Carbonate equilibrium with external pH controls

Alkalinity of water

Electrolytic conduction