In fl ood stage a natural channel often consists of a deep main channel plus two fl
Chapter 10, Problem p10.35(choose chapter or problem)
In fl ood stage a natural channel often consists of a deep main channel plus two fl oodplains, as in Fig. P10.35. The fl oodplains are often shallow and rough. If the channel has the same slope everywhere, how would you analyze this situation for the discharge? Suppose that y1 5 20 ft, y2 5 5 ft, b1 5 40 ft, b2 5 100 ft, n1 5 0.020, and n2 5 0.040, with a slope of 0.0002. Estimate the discharge in ft3 /s. y2 n2 b2 y 1 n1 b1 y 1 b2 y2 n2
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