Steps for

A $1-$hr storm produced a total rainfall depth of $8$ inches and the following streamflow hydrograph $($column $2$ in the table$)$ for the $208\mathrm{.}2644$ acre watershed area. Consider that the base flow is constant as shown in column $3$ of the table. Fill the table following the questions presented here, and show all required equations and computations to determine:

a$.$ The Direct Runoff Hydrograph $($column $4$ of the table$)$

b$.$ Direct Runoff Volume $=($cfs$-$hr$)$ and Direct Runoff Depth $=$

inches.

c$.$ The $1-$hr Unit hydrograph ordinates and its corresponding direct runoff depth. Use the inverse method and show it at column $6$ of the table.

d$.$ The $3-$hr storm duration Unit hydrograph and its corresponding direct runoff depth. Use the lagging method and show it at column $11$ of the table.

e$.$ Another $3-$hr duration event with effective rainfall or rainfall excess of $6$ inches is now considered. Compute the $3-$hr direct runoff hydrograph and show the hydrograph at column $12$ of the table.

f$.$ The total streamflow hydrograph for this $3-$hr duration with $6$ inches of direct runoff depth event and show it at column $13$ of the table. $\frac{\text{b}\text{i}\text{r}\text{e}\text{d}\text{R}\text{a}\text{n}\text{n}\text{e}\text{t}\text{f}}{4}=\frac{DR}{\text{O}\text{R}\text{D}}$

$\frac{00}{3}$

Show computations and, for the following:

b$.1$ Col. $41-$hr Direct Runoff Volume $($cfs$-$hr$)=$

b$.2$ Col. $41-$hr Direct Runoff Depth $($in$.)=q,$

c$.1$ Col. $61-$hr Unit Hyd$.$ Direct Runoff Depth $($in$.)=$

d$.1$ Col. $113-$hr Unit Hyd$.$ Direct Runoff Depth $($in$.)=$