Develop the flood hydrograph that would result from 28 cm of rain falling on the 1,450 km2 watershed of Problem 8.22 during a 72-hour period. The spatially averaged rainfall is 10 cm during the first 24 hours, 12 cm during the second 24 hours, and 6 cm during the third 24 hours, for a total of 28 cm falling over 72 hours. The watershed runoff characteristics are represented by a CN of 78. The streamflow just before the rain storm was 60 m3/s. Assume a constant baseflow of 60 m3/s during the flood.
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