Investigating the Impact of Anthropogenic and Natural Sources of Pollution on Quality of Water in Upper Indus Basin (UIB) by Using Multivariate Statistical Analysis

Table 4

Factor loadings of quality parameters.

	PCA-1	PCA-2	PCA-3
pH	−0.574	−0.617	−0.380
Do	−0.894	−0.057	−0.426
ORP	−0.036	0.965	0.118
Cond	−0.846	0.001	0.526
TDS	−0.882	−0.203	0.347
Salinity	−0.221	0.893	−0.312
As	−0.765	0.552	−0.051
Pb	0.975	0.072	0.049
Eigenvalue	4.210	2.462	0.839
Variability	52.630	30.772	10.490
Cumulative	52.630	83.402	93.892