Numerical: The ordinates of a 4hr unit hydrograph are given below. Determine the ordinates of 12 hr unit hydrograph.

7.8kviews

written 7.3 years ago by

teamques10 ★ 70k

• modified 5.5 years ago

irrigation engineering

ADD COMMENT EDIT

1 Answer

494views

written 7.2 years ago by

teamques10 ★ 70k

Given, $T_0$=4 hrs, $t_0$=12 hrs

Since $t_0$ is an integral multiple of T0 ( i.e. $t_0$ = 3$T_0$ ), the desired hydrograph can be obtained by taking the sum of the ordinates of three unit hydrographs of 4-hours duration, each lagging from the other by 4-hours, and dividing the sum …

Create a free account to keep reading this post.

and 3 others joined a min ago.

ADD COMMENT EDIT

Please log in to add an answer.