LR706 East African Flood Model_ Fiddes - Transport for Development
LR706 East African Flood Model_ Fiddes - Transport for Development
LR706 East African Flood Model_ Fiddes - Transport for Development
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TABLE 9<br />
Comparison between predicted 10 year floods using computer and short methods<br />
Catchment<br />
Storm<br />
rainfall<br />
(mm)<br />
Ca<br />
CL Cw y(mm) k(hr)<br />
Assumed Catchment Parameters 10 YEAR PEAK FLOWS<br />
Area<br />
(km2 )<br />
Lnd<br />
sl~<br />
Channel<br />
slope<br />
%<br />
Channel<br />
length<br />
(km)<br />
m<br />
Tiwi 122 0.09 0.75<br />
I 1.00 I<br />
o I<br />
1.0<br />
I<br />
6.7 2.2<br />
I<br />
1.2 5.08<br />
5.7<br />
I<br />
6.6<br />
Mudanda 89<br />
0.10<br />
1.50 / 1.00 I 5.0 \ 0.3 I 1.7 I 8.2 I 5.0 2.67<br />
6.8 I 8.0<br />
Migwani<br />
105<br />
0.38<br />
1.00 ] 1.00 I O I 1.0 I 83.5 I 3.0 I 1.3 19.05<br />
Kajiado<br />
68 0.50 1.00 1.00 0 1.5 3.6 8.8 2.7<br />
3.43<br />
Eseret 57<br />
0.12<br />
0.50 1.00 0 0.1 3.2 22.0 9.2<br />
3.70 3.0<br />
I<br />
3.1<br />
Kiambu I 112 0.10 0.50 0.75 0 8.0 2.0 4.0 3.6<br />
2.75<br />
0.14<br />
I<br />
0.27<br />
Kiambu 11 112 0.10 1.50 1.00 0 3.0 5.2 6.6 2.8<br />
6.03<br />
Barabili 96 0.15 0.50 0.75 0 8.0 3.9 0.7 0.3<br />
2.03<br />
+<br />
Munyere<br />
sub<br />
54 0.11 1.00 0.60 5.0 0.1 0.5 27.0 23.5<br />
0.83<br />
1.11 1.12<br />
Rubaare<br />
65 0.10 1.00 I 0.30 I 5.0 I 1.0 I 13.7 I 6.0 I 4.9 6.99<br />
4.6 4.3<br />
Lugula<br />
103<br />
0.45<br />
0.50 I 0.75 I O I 8.0 I 3.1 I 9.0 I 0.7 2.29<br />
+<br />
2.27 1.74<br />
Saosa<br />
103<br />
0.11<br />
0.33 I 0.75 I O I 8.0 I 6.8 I 12.0 .1 3.4 4.54 0.63 0.55<br />
N
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