| F1 | F2 | F3 | F4 | |
| OD | −0.54 | 0.57 | −0.15 | 0.41 |
| TEMP | 0.63 | −0.19 | −0.49 | −0.30 |
| SAL | 0.01 | 0.79 | 0.49 | −0.02 |
| PO4 | −0.02 | −0.50 | −0.36 | 0.69 |
| SIO2 | 0.04 | −0.73 | 0.44 | 0.16 |
| CLORO T | 0.84 | 0.31 | 0.03 | 0.36 |
| CLORO F | 0.83 | 0.30 | 0.09 | 0.32 |
| PP | 0.69 | −0.13 | 0.18 | −0.20 |
| DIN | −0.05 | −0.37 | 0.74 | 0.13 |