Table 5

Results of Principal Component Analysis using the water data (n = 36) from Sarzedas.

PCA 1PCA 2
HCO30.95040.2103
Cl0.62390.2873
SO42 − 0.4121−0.7527
NO30.0621−0.8152
NO20.87290.2717
PO43 − 0.95190.0111
Na0.95690.0012
K0.8275−0.0227
Ca0.9469−0.2097
Mg0.7464−0.5711
Fe0.82840.2559
Mn0.89040.2242
Zn−0.00280.1084
Sb0.0387−0.9021
Eigenvalue7.672.74
Total variance (%)54.7819.60
Cumulative variance (%)54.7874.38