Research Article
Evaluation of Groundwater for Arsenic Contamination Using Hydrogeochemical Properties and Multivariate Statistical Methods in Saudi Arabia
Table 4
Loading of physiochemical parameters in the principal components expressing the geochemical processes.
| | | PC1 | PC2 | PC3 | PC4 | PC5 |
| | pH | −0.071 | −0.325 |
0.362
|
0.117
|
0.313
| | TDS |
0.361
| −0.116 | −0.098 | −0.013 | −0.077 | | Na+ |
0.340
|
0.041
| −0.012 |
0.175
| −0.148 | | K+ |
0.336
|
0.031
|
0.210
|
0.067
| −0.054 | | Ca+ |
0.282
| −0.253 | −0.117 |
0.003
| −0.307 | | Mg+ |
0.360
|
0.046
| −0.067 | −0.081 |
0.024
| |
0.155
|
0.456
| −0.105 | −0.104 |
0.273
| | Cl− |
0.247
| −0.301 | −0.226 | −0.255 |
0.208
| |
0.124
|
0.028
|
0.551
|
0.357
|
0.250
| |
0.158
| −0.445 | −0.109 |
0.129
| −0.072 | |
0.355
|
0.050
|
0.058
|
0.072
| −0.126 | | TOC |
0.185
|
0.416
| −0.087 | −0.219 |
0.278
| | Mn |
0.105
| −0.009 |
0.578
| −0.327 | −0.109 | | As |
0.145
| −0.304 | −0.023 | −0.381 |
0.568
| | Fe | −0.029 |
0.332
|
0.265
| −0.622 | −0.403 | | B |
0.331
|
0.213
|
0.057
|
0.181
| −0.020 |
|
|
