| lake |
| DO(w) | BOD(w) | COD(w) | pH(w) | S%(w) | Sand(S) | Silt(S) | H2S(S) | OC(S) | WC(S) |
| El-Burrllus | DO(w) | 1.000 |
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| BOD(w) | 0.471 | 1.000 |
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| COD(w) | 0.518 | 0.393 | 1.000 |
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| pH(w) | 0.083 | 0.011 | 0.385 | 1.000 |
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| S%(w) | −0.138 | 0.027 | 0.173 | −0.347 | 1.000 |
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| Sand(S) | 0.071 | −0.309 | 0.135 | −0.138 | 0.590 | 1.000 |
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| Silt(S) | −0.071 | 0.309 | −0.135 | 0.138 | −0.590 | −1.000 | 1.000 |
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| H2S(S) | 0.344 | 0.071 | 0.124 | −0.673 | 0.451 | 0.448 | −0.448 | 1.000 |
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| OC(S) | 0.045 | 0.166 | 0.176 | 0.494 | −0.478 | −0.417 | 0.417 | −0.458 | 1.000 |
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| WC(S) | 0.093 | 0.080 | 0.075 | 0.478 | −0.758 | −0.745 | 0.745 | −0.520 | 0.819 | 1.000 | |
| El-Manzala | DO(w) | 1.000 |
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| BOD(w) | −0.174 | 1.000 |
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| COD(w) | −0.652 | −0.016 | 1.000 |
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| pH(w) | 0.794 | −0.376 | −0.398 | 1.000 |
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| S%(w) | 0.291 | −0.310 | 0.455 | 0.262 | 1.000 |
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| Sand(S) | 0.464 | −0.194 | −0.619 | 0.489 | −0.249 | 1.000 |
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| Silt(S) | −0.464 | 0.194 | 0.619 | −0.489 | 0.249 | −1.000 | 1.000 |
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| H2S(S) | −0.601 | 0.361 | 0.525 | −0.779 | 0.213 | −0.582 | 0.582 | 1.000 |
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| OC(S) | 0.079 | −0.224 | 0.025 | 0.283 | 0.028 | −0.283 | 0.283 | −0.091 | 1.000 |
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| WC(S) | −0.002 | −0.118 | −0.002 | −0.037 | 0.081 | −0.584 | 0.584 | 0.197 | 0.787 | 1.000 | |
| El-Bardawil | DO(w) | 1.000 |
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| BOD(w) | 0.861 | 1.000 |
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| COD(w) | 0.161 | 0.414 | 1.000 |
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| pH(w) | 0.613 | 0.549 | 0.242 | 1.000 |
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| S%(w) | −0.403 | −0.056 | 0.491 | −0.175 | 1.000 |
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| Sand(S) | −0.051 | −0.194 | −0.187 | 0.194 | −0.352 | 1.000 |
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| Silt(S) | 0.051 | 0.194 | 0.187 | −0.194 | 0.352 | −1.000 | 1.000 |
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| H2S(S) | 0.628 | 0.880 | 0.424 | 0.203 | 0.152 | −0.528 | 0.528 | 1.000 |
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| OC(S) | 0.243 | 0.360 | 0.422 | 0.162 | 0.464 | −0.810 | 0.810 | 0.560 | 1.000 |
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| WC(S) | 0.076 | 0.266 | 0.424 | −0.047 | 0.525 | −0.900 | 0.900 | 0.569 | 0.953 | 1.000 |