Hydrogeochemistry and Groundwater Quality Assessment in the High Agri Valley (Southern Italy)

Table 3

Matrix of factor weights after varimax rotation using the STATGRAPHICS 18 package.

	Factor 1	Factor 2	Factor 3
(°C)
pH
Na^+ (mg/l)		0.68
Ca^2+ (mg/l)
Mg^2+ (mg/l)	0.83
HCO3^-(mg/l)	0.92
Cl^- (mg/l)		0.88
SO4^2-(mg/l)		0.85
B (μg/l)			0.88
Sr (μg/l)
Ba (μg/l)
Total variance (%)	67.6	15.2	11.2
Cumulative variance (%)	67.6	82.8	94

Numbers are weights of the variables in the extracted factors. Variables having are omitted.