From the solution given:
(- ft^-/sec) X (3,600 sec/hr) X (1 hr) X (1 acre/ 43,560 ft^2) = - acre-ft
In this last step of the solution where - cfs is converted to acres-ft, is the (1hr) the interval of the unit hydrograph? IE is the flow multiplied by the interval to get volume?
At first I...