Table 6 Stream morphometry analysis
From: Flood risk analysis: causes and landscape based mitigation strategies in Dire Dawa city, Ethiopia
| Â | No of streams | Â | Stream length (km) | Cumulative stream length (km) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Watershed | 1st | 2nd | 3rd | 4th | Nu | 1st | 2nd | 3rd | 4th | 1st | 2nd | 3rd | 4th |
1 | 3 | 1 | Â | Â | 4 | 1.8 | 3.91 | 0.00 | 0.00 | 1.8 | 5.7 | 5.75 | 5.75 |
2 | 14 | 3 | 1 | Â | 18 | 11.5 | 6.49 | 0.81 | 0.00 | 11.5 | 18.0 | 18.79 | 18.79 |
3 | 6 | 1 | Â | Â | 7 | 2.7 | 0.77 | 0.00 | 0.00 | 2.7 | 3.4 | 3.43 | 3.43 |
4 | 36 | 7 | 1 | Â | 44 | 5.5 | 22.49 | 24.78 | 0.00 | 35.5 | 58.0 | 82.74 | 82.74 |
5 | 53 | 13 | 2 | 1 | 69 | 53.9 | 24.55 | 8.05 | 13.97 | 53.9 | 78.4 | 86.50 | 100.47 |
6 | 6 | 1 | Â | Â | 7 | 3.0 | 1.35 | 0.00 | 0.00 | 3.0 | 4.3 | 4.32 | 4.32 |
7 | 19 | 6 | 1 | Â | 26 | 27.1 | 13.59 | 11.05 | 0.00 | 27.1 | 40.7 | 51.74 | 51.74 |
8 | 6 | 2 | 1 | Â | 9 | 7.6 | 1.76 | 1.43 | 0.00 | 7.6 | 9.3 | 10.75 | 10.75 |
9 | 16 | 3 | 1 | Â | 20 | 12.8 | 3.10 | 14.09 | 0.00 | 12.8 | 15.9 | 30.00 | 30.00 |
10 | 21 | 4 | 1 | Â | 26 | 19.1 | 4.29 | 15.07 | 0.00 | 19.1 | 23.4 | 38.43 | 38.43 |
11 | 2 | 1 | Â | Â | 3 | 2.6 | 1.78 | 0.00 | 0.00 | 2.6 | 4.4 | 4.41 | 4.41 |
12 | 3 | 1 | Â | Â | 4 | 3.6 | 4.94 | 0.00 | 0.00 | 3.6 | 8.5 | 8.54 | 8.54 |
13 | 10 | 3 | 1 | Â | 14 | 9.6 | 9.11 | 4.55 | 0.00 | 9.6 | 18.7 | 23.29 | 23.29 |
14 | 8 | 1 | Â | Â | 9 | 10.0 | 8.25 | 0.00 | 0.00 | 10.0 | 18.2 | 18.24 | 18.24 |
15 | 11 | 4 | 1 | Â | 16 | 5.4 | 4.33 | 7.41 | 0.00 | 5.4 | 9.8 | 17.18 | 17.18 |
16 | 7 | 1 | Â | Â | 8 | 4.4 | 5.58 | 0.00 | 0.00 | 4.4 | 10.0 | 9.99 | 9.99 |
17 | 15 | 4 | 1 | Â | 20 | 8.5 | 4.09 | 10.33 | 0.00 | 8.5 | 12.5 | 22.87 | 22.87 |
18 | 36 | 8 | 1 | Â | 45 | 32.9 | 17.69 | 18.82 | 0.00 | 32.9 | 50.6 | 69.38 | 69.38 |
19 | 22 | 3 | 1 | Â | 26 | 8.0 | 3.93 | 1.42 | 0.00 | 8.0 | 11.9 | 13.37 | 13.37 |
20 | 15 | 5 | 1 | Â | 21 | 13.8 | 9.35 | 11.23 | 0.00 | 13.8 | 23.2 | 34.41 | 34.41 |
21 | 17 | 5 | 2 | 1 | 25 | 19.8 | 6.21 | 2.48 | 6.49 | 19.8 | 26.0 | 28.46 | 34.96 |
22 | 21 | 4 | 1 | Â | 26 | 19.9 | 8.59 | 9.45 | 0.00 | 19.9 | 28.5 | 37.9 | 37.9 |
23 | 15 | 3 | 1 | Â | 19 | 11.8 | 8.30 | 8.07 | 0.00 | 11.8 | 20.1 | 28.2 | 28.2 |
24 | 4 | 1 | Â | Â | 5 | 6.9 | 5.54 | 0.00 | 0.00 | 6.9 | 12.4 | 12.40 | 12.40 |
25 | 8 | 1 | Â | Â | 9 | 6.0 | 5.94 | 0.00 | 0.00 | 6.0 | 11.9 | 11.93 | 11.93 |
26 | 2 | 1 | Â | Â | 3 | 1.3 | 2.43 | 0.00 | 0.00 | 1.3 | 3.7 | 3.74 | 3.74 |