Parameter

Fitted Model

Nugget (C0)

Sill (C0 + C)

Lag Size (Km)

Range (Km)

ME

RMSE

ASE

MSE

RMSSE

pH

Spherical

0.067

1.44

2711.55

32,247.66

0.0005

0.0175

0.0673

0.0084

0.2587

TDS

Circular

0.000

1.11

782.83

5860.20

−0.1007

96.8730

113.8267

0.0007

0.8388

Total Hardness

Gaussian

0.000

1.17

588.10

6767.17

1.1389

26.1619

41.6183

0.0111

1.1865

Alkalinity

Gaussian

0.004

0.90

1291.33

8047.39

−0.0120

4.7312

4.5745

−0.0005

1.0212

Chloride

Spherical

0.000

1.14

748.61

6367.48

0.3697

53.3323

60.5252

0.0059

0.8785

Nitrate

Exponential

0.014

0.81

1463.46

5808.93

−0.0235

4.5187

5.1932

−0.0022

0.9142

Sulfate

Circular

0.000

1.13

1223.91

14,686.89

0.0039

10.0084

13.1104

0.0042

0.7479

Calcium

Spherical

0.082

1.05

811.32

6083.68

0.6250

5.8355

15.5445

0.0549

0.6599

Magnesium

Exponential

0.000

0.98

654.68

5905.52

0.1023

3.8939

5.8448

0.0060

1.0617

Fluoride

Gaussian

0.020

1.28

1099.43

13,193.19

−0.0001

0.0170

0.0372

−0.0128

0.5598