Find the capacity of the main channel and the lateral extent

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Reference no: EM13297698

Consider the drainage channel and adjacent floodplains. The manning roughness coefficients are given by

Left Floodplain=.04

Main Channel=.016

Right floodplain= .050

and the longitudinal slope is .5%. Field tests have shown that the Horton equation best describes the composite roughness of the channel. Find the capacity of the main channel and the lateral extent of the floodplains for a 100-year flow of 1590m^3/s.

Reference no: EM13297698

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