Table 4 Estimation of surface runoff affecting the areas occupied by alluvial sediments
Basin number | Inputs | Outputs | Evaluation of outputs | ||||||
|---|---|---|---|---|---|---|---|---|---|
Alluvial area (A) | Curve number (CN) | Maximum daily single event precipitation (P) | Potential maximum retention (S) | Initial abstraction (Ia) | Actual runoff (Q) | Total runoff volume for an area “A” (Qv) | Total volume of precipitation for area A | Runoff (Q) to precipitation (P) Q/P (%) | |
km2 | Millimeter (mm) | Millimeter (mm) | Millimeter (mm) | (mm) | Cubic meter (m3) X 103 | Cubic meter (m3) X 103 | (%) | ||
1 | 36.5 | 68 | 59 | 119.50 | 23.91 | 7.96 | 291 | 2153.5 | 13.5 |
2 | 63.1 | 68 | 59 | 119.50 | 23.91 | 7.96 | 502 | 3722.9 | 13.5 |
3 | 64.03 | 68 | 59 | 119.50 | 23.91 | 7.96 | 510 | 3777.77 | 13.5 |
4 | 73.46 | 68 | 59 | 119.50 | 23.91 | 7.96 | 585 | 4334.14 | 13.5 |
5 | 31.91 | 68 | 59 | 119.50 | 23.91 | 7.96 | 254 | 1882.69 | 13.5 |
6 | 41.5 | 68 | 59 | 119.50 | 23.91 | 7.96 | 330 | 2448.5 | 13.5 |
8 | 15.35 | 68 | 59 | 119.50 | 23.91 | 7.96 | 122 | 905.65 | 13.5 |
10 | 8.58 | 68 | 59 | 119.50 | 23.91 | 7.96 | 68 | 506.22 | 13.5 |
11 | 5.47 | 68 | 59 | 119.50 | 23.91 | 7.96 | 44 | 322.73 | 13.5 |
12 | 3.06 | 68 | 59 | 119.50 | 23.91 | 7.96 | 24 | 180.54 | 13.5 |