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Table 4 Estimation of surface runoff affecting the areas occupied by alluvial sediments

From: Flash floods mitigation and assessment of groundwater possibilities using remote sensing and GIS applications: Sharm El Sheikh, South Sinai, Egypt

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
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