Research Article

Impact Assessment of Phosphogypsum Leachate on Groundwater of Sfax-Agareb (Southeast of Tunisia): Using Geochemical and Isotopic Investigation

Table 3

Summary of the PCA results including the loadings and the eigenvalues.

VariablesAxe F1 Axe F2

Na+0.99020.0400
Cl-0.95370.2568
K+0.9646−0.0319
Ca2+0.91620.2195
0.7810−0.3565
Mg2+0.89300.3142
0.87820.4375
T°0.1665−0.3803
pH−0.72530.6316
0.8026−0.3231
F-0.83870.4741
Dissolved O2−0.83040.3433
EC0.98940.1067
Al0.7383−0.4214
Zn0.94740.0343
Eigenvalues10.85131.7147
% variance explained72.342211.4312
% cumulative variance72.342283.7734