|
| PC1 | PC2 | PC3 | PC4 | PC5 | PC6 | PC7 | PC8 | PC9 |
| Temp. (˚C) | 0.80 |
|
|
|
|
|
|
|
|
| Salinity (S‰) | 0.78 |
|
|
|
|
|
|
|
|
| pH |
| −0.48 |
|
|
|
|
| 0.63 |
|
| DO | −0.44 | 0.39 |
|
|
|
| −0.35 | 0.44 |
|
| BOD |
|
|
|
|
|
|
| 0.79 |
|
| DOM |
|
|
|
|
|
| −0.80 |
|
|
| COD | 0.47 |
|
|
|
|
| −0.41 |
|
|
| Chll-a |
|
|
|
| 0.80 |
|
|
|
|
| TSM |
| 0.37 | −0.44 |
|
|
| 0.56 |
|
|
|
| 0.73 |
|
|
|
|
|
|
|
|
| NO2 |
| 0.64 |
| 0.45 |
|
|
|
|
|
| NO3 |
| 0.80 |
|
|
|
|
|
|
|
| TN |
|
| 0.38 | 0.82 |
|
|
|
|
|
| PO4 |
|
|
|
| 0.59 |
| 0.44 |
|
|
| TP |
|
|
|
| 0.75 |
|
|
|
|
| SiO4 |
| 0.69 |
|
|
|
|
|
|
|
| Fe |
|
|
|
|
| 0.61 |
|
|
|
| Mn |
|
| 0.72 |
|
|
|
|
|
|
| Cu |
|
|
| 0.84 | 0.35 |
|
|
|
|
| Zn |
|
| 0.72 |
|
|
|
|
|
|
| Cr |
| 0.37 |
|
|
| 0.46 |
|
|
|
| Ni |
|
|
|
|
| 0.71 |
|
|
|
| Cd |
|
| 0.54 | 0.35 |
|
|
|
|
|
| Pb |
|
|
|
|
| 0.77 |
|
|
|
| Hg | −0.53 |
|
|
|
|
|
| −0.37 |
|
| THC |
|
|
|
|
|
|
|
| 0.87 |
| Variance % | 11.12 | 10.50 | 8.89 | 8.44 | 8.41 | 7.55 | 7.25 | 6.66 | 4.76 |
| Cumulative % | 11.12 | 21.62 | 30.51 | 38.95 | 47.36 | 54.91 | 62.16 | 68.82 | 73.58 |
