| Spatial variation | Seasonal variation | ||||||||||||
Station A | Station B | Station C | Station D | Station E | Wet season | Dry season | ||||||||
APCA1 | APCA2 | BPCA1 | BPCA 2 | CPCA1 | CPCA2 | DPCA 1 | DPCA 2 | EPCA 1 | EPCA 2 | WSPAC 1 | WSPCA 2 | DSPCA1 | DSPCA2 | |
Eigenvalue | 4.80 | 1.14 | 3.88 | 1.81 | 3.87 | 1.50 | 4.67 | 1.23 | 3.86 | 1.31 | 10.38 | 3.37 | 10.15 | 2.56 |
% variance | 79.94 | 19.03 | 64.72 | 30.15 | 64.55 | 24.94 | 77.84 | 20.54 | 64.37 | 21.83 | 69.18 | 22.46 | 67.68 | 17.05 |
Cumulative variance | 79.94 | 98.97 | 64.72 | 94.87 | 64.55 | 89.49 | 77.84 | 98.38 | 64.37 | 86.20 | 69.18 | 91.64 | 67.68 | 84.73 |
Air temp | −0.99 | −0.38 | −0.90 | −0.44 | −0.75 | −0.11 | −0.94 | −0.41 | −1.14 | 0.06 | −1.37 | −0.34 | −1.16 | −0.52 |
Water temp | −1.00 | −0.38 | −0.90 | −0.44 | −0.75 | −0.11 | −0.95 | −0.42 | −1.14 | 0.06 | −1.37 | −0.34 | −1.16 | −0.52 |
App. Colour | −0.82 | −0.21 | −0.74 | −0.23 | −0.71 | −0.12 | −0.80 | −0.28 | −0.49 | 0.01 | −0.88 | −0.04 | −0.90 | −0.09 |
True colour | −0.80 | −0.18 | −0.72 | −0.21 | −0.71 | −0.11 | −0.78 | −0.26 | −0.42 | 0.00 | −0.82 | −0.01 | −0.87 | −0.05 |
Turbidity | −1.04 | −0.42 | −0.93 | −0.49 | −0.76 | −0.11 | −0.93 | −0.45 | −1.22 | 0.07 | −1.46 | −0.39 | −1.16 | −0.57 |
TS | 2.42 | 3.12 | 2.18 | 3.93 | −0.01 | −0.13 | 1.86 | 3.32 | 4.25 | −2.56 | 5.84 | 5.53 | 1.98 | 5.36 |
TSS | 1.27 | 2.06 | 1.21 | 2.66 | −0.21 | −0.14 | 0.77 | 2.44 | 1.85 | −2.22 | 3.49 | 4.06 | 0.50 | 3.14 |
pH | −1.05 | −0.43 | −0.95 | −0.51 | −0.77 | −0.11 | −0.99 | −0.46 | −1.33 | 0.08 | −1.52 | −0.43 | −1.24 | −0.64 |
Conductivity | 0.85 | 1.30 | 0.64 | 1.59 | −0.43 | −0.10 | 0.76 | 1.03 | 2.58 | −0.49 | 2.29 | 2.03 | 1.21 | 3.01 |
TDS | 0.08 | 0.60 | 0.00 | 0.74 | −0.57 | −0.11 | 0.06 | 0.42 | 0.99 | −0.26 | 0.75 | 1.03 | 0.22 | 1.53 |
Hardness | −0.69 | −0.12 | −0.60 | −0.05 | −0.70 | −0.12 | −0.75 | −0.22 | −0.41 | −0.03 | −1.58 | −0.47 | −1.27 | −0.69 |
DO | −1.06 | −0.45 | −0.96 | −0.52 | −0.77 | −0.11 | −1.00 | −0.48 | −1.34 | 0.08 | −1.54 | −0.45 | −1.25 | −0.67 |
BOD | −1.06 | −0.45 | −0.96 | −0.52 | −0.77 | −0.11 | −1.00 | −0.47 | −1.37 | 0.08 | −1.55 | −0.45 | −1.25 | −0.67 |
Calcium | −0.93 | −0.33 | −0.83 | −0.35 | −0.74 | −0.12 | −0.92 | −0.38 | −1.05 | 0.05 | −1.26 | −0.26 | −1.09 | −0.39 |
Magnesium | −1.05 | −0.45 | −0.96 | −0.52 | −0.77 | −0.11 | −0.99 | −0.47 | −1.36 | 0.07 | −1.53 | −0.45 | −1.25 | −0.68 |
Sulphate | −1.04 | −0.43 | −0.95 | −0.50 | −0.77 | −0.11 | −0.98 | −0.45 | −1.31 | 0.07 | −1.50 | −0.42 | −1.23 | −0.63 |
nitrate-nitrogen | −1.04 | −0.42 | −0.94 | −0.49 | −0.76 | −0.11 | −0.98 | −0.46 | −1.29 | 0.06 | −1.58 | −0.47 | −1.27 | −0.69 |
THBC | 8.40 | −1.92 | 7.52 | −2.34 | 7.69 | −1.56 | 8.51 | −1.56 | 5.05 | 3.30 | −1.58 | −0.47 | −1.27 | −0.69 |
TCBC | −0.12 | −0.13 | −0.60 | −0.54 | 2.44 | 4.89 | 0.54 | −0.73 | −1.41 | 0.09 | −1.58 | −0.46 | −1.27 | −0.69 |
THFC | −0.34 | −0.38 | 0.42 | −0.79 | 0.82 | −1.36 | −0.49 | 0.27 | 0.55 | 1.47 | −1.58 | −0.47 | −1.27 | −0.69 |