Research Article
Investigation of the Soan River Water Quality Using Multivariate Statistical Approach
Table 5
Principal components, loading factors, eigenvalues, and variance.
| Premonsoon season | Postmonsoon season |
| Parameters | Components | Parameters | Components | PC-1 | PC-2 | PC-1 | PC-2 | EC | 0.97 | 0.24 | EC | 0.85 | 0.53 | pH | 0.01 | -0.86 | pH | -0.34 | -0.83 | Turbidity | -0.03 | 0.95 | Turbidity | -0.42 | -0.88 | Alkalinity as CaCO3 | 0.94 | 0.29 | Alkalinity as CaCO3 | 0.85 | 0.51 | Bicarbonate | 0.97 | 0.23 | Bicarbonate | 0.85 | 0.51 | Calcium | 0.82 | -0.07 | Calcium | 0.75 | 0.63 | Chloride | 0.94 | -0.25 | Chloride | 0.90 | 0.39 | Hardness | 0.99 | 0.04 | Hardness | 0.84 | 0.54 | Mg | 0.99 | 0.04 | Mg | 0.89 | 0.19 | K | 0.97 | 0.15 | K | 0.75 | 0.61 | Na | 0.62 | 0.71 | Na | 0.82 | 0.56 | SO4 | 0.99 | 0.12 | SO4 | 0.68 | 0.63 | Nitrate (NO3) | -0.14 | 0.90 | Nitrate (NO3) | 0.35 | 0.84 | TDS | 0.98 | 0.19 | TDS | 0.85 | 0.53 | DO | -0.33 | -0.91 | DO | -0.74 | -0.61 | BOD | 0.40 | 0.91 | BOD | 0.73 | 0.57 | COD | 0.05 | 0.99 | COD | 0.89 | 0.43 | TSS | 0.10 | 0.93 | TSS | -0.45 | -0.86 | Eigenvalues | 10.86 | 5.77 | Eigenvalues | 15.67 | 1.08 | % explained variance | 60.35 | 32.11 | % explained variance | 87.1 | 6.01 | % cumulative variance | 60.35 | 92.46 | % cumulative variance | 87.1 | 93.11 |
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