characteristics:
A = 2500 ac,
L = 3.9 mi.,
S = 52 ft/mi.,
y=1%.
The channel is lined with con-
crete.
The watershed is a residential
area with 1/4-ac lots. The soil is
categorized as soil group B. As-
sume that the average watershed
slope is the same as the channel
slope. Determine the UH for this
area for a storm duration of 1 hr
using the SCS triangular UH
method.
Fig: 1