LR706 East African Flood Model_ Fiddes - Transport for Development

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TABLE 4 Standard contributing area coefficients (Wet zone catchment, short grass cover) Soil type Catchment slope Well drained Slightly impeded drainage Impeded drainage Very Flat 20% 0.12 Note: The soil types are as in Fig 16 and are based on the soils map contained Handbook of Natural Resources of <strong>East</strong> Africa (see ref 13). in the 18
Page 2 and 3: TRANSPORT and ROAD RESEARCH LABORAT
Page 4 and 5: THE TRRL EAST AFRICAN FLOOD MODEL A
Page 6 and 7: 1934. The response of cascading flo
Page 8 and 9: If the depth and velocities at the
Page 10 and 11: elatively small storms were recorde
Page 12 and 13: 4.3 Contributing area coefficient (
Page 14 and 15: The base time is therefore estimate
Page 16 and 17: (b) The catchment response to excep
Page 18 and 19: TABLE 1 Details of storms and summa
Page 22 and 23: TABLE 5 Catchment wetness factor fi
Page 24 and 25: TABLE 9 Comparison between predicte
Page 26 and 27: In finite difference form av KM= /
Page 28 and 29: Using rainfall maps inref(11), 2 yr
Page 30 and 31: 30 20 Design storm rainfall 10 0 t
Page 32 and 33: -. bu 40 rL 30 20 10 0 20 r 10 - 0
Page 34 and 35: 30 20 Design storm rainfall 10 o ;=
Page 36 and 37: 30 20 10 0 L Design storm rainfall
Page 38 and 39: 40 30 20 Design storm rainfall 10 0
Page 40 and 41: 40 30 20 lC I Design storm rainfall
Page 42 and 43: “-—- 30° E j“E 4 ‘E Northe
Page 44 and 45: 50 30% 35°E 40°E ON 0 50 .\ \\$1

LR706 East African Flood Model_ Fiddes - Transport for Development

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