Table 8 Pearson correlation coefficients among heavy metals of sediments from study area.
Variables | Mg | Al | Si | K | Ca | Ti | Fe | V | Cr | Mn | Co | Ni | Cu | Zn | As | Cd | Ba |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mg | 1 | ||||||||||||||||
Al | 0.756 | 1 | |||||||||||||||
Si | − 0.437 | − 0.271 | 1 | ||||||||||||||
K | − 0.330 | − 0.166 | 0.239 | 1 | |||||||||||||
Ca | 0.570 | 0.530 | − 0.223 | − 0.533 | 1 | ||||||||||||
Ti | 0.388 | 0.212 | 0.017 | − 0.519 | 0.339 | 1 | |||||||||||
Fe | 0.587 | 0.418 | − 0.060 | − 0.669 | 0.655 | 0.907 | 1 | ||||||||||
V | 0.422 | 0.253 | 0.016 | − 0.598 | 0.432 | 0.984 | 0.946 | 1 | |||||||||
Cr | 0.710 | 0.459 | − 0.217 | − 0.682 | 0.647 | 0.832 | 0.938 | 0.867 | 1 | ||||||||
Mn | 0.432 | 0.272 | − 0.003 | − 0.623 | 0.670 | 0.881 | 0.940 | 0.904 | 0.845 | 1 | |||||||
Co | 0.361 | 0.227 | − 0.021 | − 0.647 | 0.648 | 0.808 | 0.873 | 0.843 | 0.831 | 0.920 | 1 | ||||||
Ni | 0.502 | 0.372 | − 0.279 | − 0.480 | 0.828 | 0.504 | 0.707 | 0.561 | 0.759 | 0.694 | 0.757 | 1 | |||||
Cu | 0.297 | 0.298 | − 0.016 | − 0.135 | 0.429 | 0.249 | 0.392 | 0.307 | 0.326 | 0.389 | 0.428 | 0.342 | 1 | ||||
Zn | 0.558 | 0.374 | − 0.069 | − 0.574 | 0.731 | 0.842 | 0.944 | 0.887 | 0.896 | 0.930 | 0.878 | 0.784 | 0.423 | 1 | |||
As | 0.216 | 0.196 | 0.432 | − 0.139 | 0.166 | 0.631 | 0.588 | 0.660 | 0.505 | 0.504 | 0.501 | 0.303 | 0.282 | 0.567 | 1 | ||
Cd | 0.018 | − 0.079 | − 0.252 | 0.146 | − 0.302 | − 0.217 | − 0.299 | − 0.251 | − 0.250 | − 0.285 | − 0.290 | − 0.416 | − 0.323 | − 0.335 | − 0.361 | 1 | |
Ba | − 0.463 | − 0.290 | 0.334 | 0.780 | − 0.729 | − 0.615 | − 0.810 | − 0.691 | − 0.772 | − 0.783 | − 0.755 | − 0.702 | − 0.445 | − 0.751 | − 0.206 | 0.136 | 1 |