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Table 3 Pearson coefficient

From: Assessment of urban groundwater quality using Piper trilinear and multivariate techniques: a case study in the Abuja, North-central, Nigeria

P

pH

T

Alk

TDS

EC

Cl

\( {{\text{SO}}_{4}}^{2 - } \)

\( {{\text{CO}}_{3}}^{2 - } \)

NO3

HCO3

F

K

Na+

Fe

Ca

Mg

Mn

TH

SiO2

pH

1.00

                  

T

0.31

1.00

                 

Alk

− 0.67

− 0.31

1.00

                

TDS

− 5.69

− 0.64

0.27

1.00

               

EC

− 0.22

− 0.23

0.62

0.29

1.00

              

Cl

− 0.68

− 0.57

0.85

0.67

0.64

1.00

             

\( {{\text{SO}}_{4}}^{2 - } \)

0.03

0.16

0.33

− 0.23

0.07

0.08

1.00

            

CO3

− 0.09

− 0.02

0.06

− 0.09

− 0.48

0.05

− 0.08

1.00

           

NO3

0.22

0.54

− 0.45

− 0.42

− 0.27

− 0.58

− 0.15

− 0.20

1.00

          

HCO3

0.09

0.55

− 0.01

− 0.65

− 0.31

− 0.40

0.56

0.05

0.27

1.00

         

F

0.53

0.66

− 0.53

− 0.53

− 0.23

− 0.57

− 0.24

− 0.01

− 0.46

0.17

1.00

        

K

0.03

− 0.05

0.51

− 0.05

0.77

0.40

0.46

− 0.48

− 0.23

0.06

− 0.09

1.00

       

Na

0.20

0.62

− 0.40

− 0.54

− 0.69

− 0.65

0.18

0.22

0.38

0.64

0.38

− 0.47

1.00

      

Fe

0.16

0.28

− 0.74

0.07

− 0.45

− 0.53

− 0.53

− 0.11

0.36

− 0.11

0.47

− 0.46

0.24

1.00

     

Ca

− 0.05

− 0.27

− 0.34

0.28

− 0.34

− 0.15

− 0.63

− 0.04

− 0.23

− 0.27

0.07

− 0.55

− 0.06

0.49

1.00

    

Mg

0.08

0.09

− 0.23

0.18

0.37

− 0.11

− 0.19

− 0.85

0.31

− 0.21

0.20

0.29

0.25

0.33

0.23

1.00

   

Mn

− 0.03

0.07

− 0.05

− 0.09

− 0.13

− 0.12

0.11

− 0.07

0.18

0.10

− 0.21

− 0.26

0.07

− 0.19

0.03

0.13

1.00

  

TH

− 0.08

0.22

− 0.15

− 0.05

0.18

− 0.13

− 0.14

− 0.45

0.39

0.05

0.38

0.26

− 0.08

0.40

0.01

0.48

− 0.28

1.00

 

SiO2

− 0.17

− 0.01

− 0.35

0.26

− 0.65

− 0.20

− 0.40

0.50

0.14

− 0.89

− 0.1

− 0.84

0.37

0.41

0.45

− 0.25

0.06

− 0.29

1.00