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.
| Variables | Axe F1 | Axe F2 |
| Na+ | 0.9902 | 0.0400 | Cl- | 0.9537 | 0.2568 | K+ | 0.9646 | −0.0319 | Ca2+ | 0.9162 | 0.2195 | | 0.7810 | −0.3565 | Mg2+ | 0.8930 | 0.3142 | | 0.8782 | 0.4375 | T° | 0.1665 | −0.3803 | pH | −0.7253 | 0.6316 | | 0.8026 | −0.3231 | F- | 0.8387 | 0.4741 | Dissolved O2 | −0.8304 | 0.3433 | EC | 0.9894 | 0.1067 | Al | 0.7383 | −0.4214 | Zn | 0.9474 | 0.0343 | Eigenvalues | 10.8513 | 1.7147 | % variance explained | 72.3422 | 11.4312 | % cumulative variance | 72.3422 | 83.7734 |
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