1. The following are the ordinates of the 9-hour unit hydrograph for the entire catchment ofthe river to reservoir dam site:Time (hr) 09 18 27 36 45 54 63 72 81 90Discharge(cumecs)69 1000 210 118 744626 13and the catchment characteristics are A = 4480 km2, L = 318 km, Lc = 198 km.Derive a 3-hour unit hydrograph for the catchment area of river to the head of reservoir,given the catchment characteristics as A = 3780 km2, L = 284 km, Lca = 184 km. UseSnyder's method with necessary modifications for the shape of the hydrograph.4.

We have to determine the value of necessary modification for the shape of the hydrograph according…

1. The following are the ordinates of the 9-hour unit hydrograph for the entire catchment of the river to reservoir dam site: Time (hr) 0 9 18 27 36 45 54 63 72 81 90 Discharge (cumecs) 0 69 1000 210 118 74 46 26 13 4 and the catchment characteristics are A = 4480 km2, L = 318 km, Le = 198 km. Derive a 3-hour unit hydrograph for the catchment area of river to the head of reservoir, given the catchment characteristics as A = 3780 km2, L = 284 km, Lca = 184 km. Use Snyder's method with necessary modifications for the shape of the hydrograph.

1. The following are the ordinates of the 9-hour unit hydrograph for the entire catchment of the river to reservoir dam site: Time (hr) 0 9 18 27 36 45 54 63 72 81 90 Discharge (cumecs) 0 69 1000 210 118 74 46 26 13 4 and the catchment characteristics are A = 4480 km2, L = 318 km, Le = 198 km. Derive a 3-hour unit hydrograph for the catchment area of river to the head of reservoir, given the catchment characteristics as A = 3780 km2, L = 284 km, Lca = 184 km. Use Snyder's method with necessary modifications for the shape of the hydrograph.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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