Table 8.
Pearson correlation matrix between heavy metals in the sediments from Pulicat Lake to Vadanemmeli, Chennai coast.
| Variables | Mg | Al | K | Ca | Ti | Fe | V | Cr | Mn | Co | Ni | Zn |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mg | 1 | |||||||||||
| Al | 0.409 | 1 | ||||||||||
| K | 0.486 | 0.723 | 1 | |||||||||
| Ca | 0.365 | 0.707 | 0.553 | 1 | ||||||||
| Ti | −0.025 | 0.463 | −0.087 | 0.473 | 1 | |||||||
| Fe | 0.057 | 0.572 | 0.000 | 0.509 | 0.967 | 1 | ||||||
| V | −0.017 | 0.437 | −0.107 | 0.437 | 0.987 | 0.955 | 1 | |||||
| Cr | −0.033 | 0.367 | −0.146 | 0.385 | 0.938 | 0.945 | 0.940 | 1 | ||||
| Mn | 0.071 | 0.596 | 0.007 | 0.499 | 0.949 | 0.990 | 0.928 | 0.919 | 1 | |||
| Co | 0.062 | 0.570 | 0.001 | 0.517 | 0.965 | 0.998 | 0.952 | 0.942 | 0.990 | 1 | ||
| Ni | 0.294 | 0.618 | 0.291 | 0.555 | 0.722 | 0.787 | 0.717 | 0.792 | 0.788 | 0.798 | 1 | |
| Zn | 0.110 | 0.557 | 0.122 | 0.406 | 0.640 | 0.739 | 0.668 | 0.623 | 0.713 | 0.725 | 0.487 | 1 |