Element | Eigenvalue | Percentage of Variance (%) | Cumulative (%) | PC1 | PC2 | |
Soil | As | 2.395 | 39.92 | 39.92 | 0.558 | −0.216 |
Pb | 1.378 | 22.97 | 62.89 | 0.505 | 0.217 | |
Cd | 1.081 | 18.02 | 80.91 | 0.404 | 0.217 | |
Hg | 0.745 | 12.41 | 93.32 | 0.482 | −0.457 | |
Cr | 0.237 | 3.94 | 97.27 | 0.154 | 0.784 | |
Fe | 0.164 | 2.73 | 100.00 | −0.117 | −0.190 | |
Sediment | As | 1.986 | 33.10 | 33.10 | −0.137 | −0.607 |
Pb | 1.362 | 22.69 | 55.79 | −0.334 | 0.331 | |
Cd | 1.086 | 18.09 | 73.88 | 0.514 | −0.278 | |
Hg | 0.754 | 12.56 | 86.45 | 0.600 | −0.218 | |
Cr | 0.488 | 8.13 | 94.57 | 0.251 | 0.462 | |
Fe | 0.326 | 5.43 | 100.00 | 0.429 | 0.430 |