Table 9 Factor loadings and variability for groundwater parameters in the Jazmurian basin.

From: Comprehensive evaluation of groundwater quality and drought susceptibility in Jazmurian Basin Iran using integrated statistical GIS analysis

Parameter

F1

F2

F3

F4

groundwater level (m)

− 0.44

0.352

0.01

0.592

GRI

0.187

− 0.23

0.003

0.173

EC (µS/cm)

0.963

0.265

− 0.039

− 0.014

Na+

0.981

0.166

− 0.026

− 0.095

Mg2+

0.131

0.823

0.054

0.339

Ca2+

0.16

0.908

− 0.157

− 0.116

K+

0.869

− 0.171

− 0.106

0.149

SO42−

0.73

0.531

− 0.073

− 0.116

Cl

0.948

0.247

− 0.134

− 0.01

HCO3

− 0.163

− 0.132

0.464

− 0.054

CO32−

0.092

− 0.414

0.377

0.048

pH

− 0.182

− 0.2

0.514

0.008

TDS

0.961

0.266

− 0.035

− 0.015

Na%

0.765

− 0.401

0.237

− 0.348

SAR

0.839

− 0.292

0.168

− 0.143

TH

0.159

0.983

− 0.046

0.083

Eigenvalue

6.936

3.725

0.629

0.526

Variability (%)

41.588

22.863

4.836

4.42

Cumulative %

41.588

64.451

69.287

73.708