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Table 2 The calculated morphometric parameters of the studied basins

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

Serial   Parameters Units Symbol Basin number
No.   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 Linear Sum of all stream numbers   S Nu 182 330 1449 3808 421 195 29 122 65 93 69 79 31 32 49 28
2   Sum of all stream lengths Km S Lu 150.1 255.7 896.2 2322.7 260.1 166.0 29.0 90.9 42.6 62.4 44.8 46.6 31.1 32.1 38.7 24.4
3   Sinuosity index Km Si 1.3 1.6 1.5 1.3 1.4 1.3 1.2 1.3 1.2 1.2 1.2 1.2 1.2 1.3 1.2 1.2
4   Bifurcation ratio   Rb 4.2 4.4 4.4 4.8 4.3 4.9 6.0 5.8 5.9 4.7 6.6 4.0 5.0 5.2 4.8 5.8
5   Weighted mean bifurcation ratio   WMRb 4.1 4.4 4.4 4.7 4.2 4.8 5.7 5.3 5.7 4.3 6.9 4.2 5.0 5.2 4.6 5.5
6   Valley length Km V L 18.2 27.8 52.8 72.7 26.4 20.6 14.0 16.1 13.8 9.6 19.0 11.8 11.2 9.8 8.9 5.4
7   Basin length Km LB 13.8 17.5 35.2 55.9 18.3 16.4 12.1 12.5 11.2 8.2 16.5 10.2 9.0 7.7 7.3 4.7
8 Areal Drainage frequency km-2 F 3.8 4.0 4.0 3.6 4.1 3.7 3.0 3.7 4.2 4.4 3.6 4.0 3.0 3.1 3.8 3.7
9   Area of alluvial deposits in basin km2 Av 36.5 63.1 64.0 73.5 31.9 41.5 -- 15.4 -- 8.6 5.5 3.1 -- -- -- --
10   Drainage density km-1 D 3.2 3.1 2.5 2.2 2.5 3.2 3.0 2.7 2.7 3.0 2.3 2.4 3.0 3.1 3.0 3.3
11   Perimeter Km P 39.4 58.0 123.6 208.8 59.3 47.4 30.9 33.6 30.5 22.3 39.1 27.1 23.0 20.2 20.9 13.4
12   Area of the basin Km2 A 47.5 83.3 365.5 1055.7 103.0 52.4 9.5 33.4 15.6 21.1 19.3 19.7 10.3 10.4 12.8 7.5
13   Elongation ratio   Re 0.6 0.6 0.6 0.7 0.6 0.5 0.3 0.5 0.4 0.6 0.3 0.5 0.4 0.5 0.6 0.7
14   Circularity ratio   Rc 0.4 0.3 0.3 0.3 0.4 0.3 0.1 0.4 0.2 0.5 0.2 0.3 0.2 0.3 0.4 0.5
15   Length of overland flow Km Lo 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
16   Texture ratio   Rt 4.6 5.7 11.7 18.2 7.1 4.1 0.9 3.6 2.1 4.2 1.8 2.9 1.3 1.6 2.3 2.1
17   Shape index   Ish 0.32 0.35 0.38 0.43 0.39 0.25 0.08 0.27 0.16 0.40 0.09 0.24 0.16 0.22 0.31 0.44
18 Relief Relief m R 301 668 1810 1652 1026 527 462 743 374 396 735 472 427 158 213 149
19   Slope index   SI 11.4 11.4 12.6 13.0 22.1 9.1 10.5 23.4 15.2 18.7 25.4 21.8 16.7 14.1 12.9 18.2
20   Relief ratio   Rr 0.02 0.038 0.051 0.030 0.056 0.032 0.038 0.06 0.03 0.048 0.045 0.046 0.047 0.021 0.029 0.032
21   Ruggedness number   Rn 1.0 2.1 4.4 3.6 2.6 1.7 1.4 2.0 1.0 1.2 1.7 1.1 1.3 0.5 0.6 0.5
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