Using the Overland Flow Time nomograph (attached), find the time
of concentration for an area in which the flow must travel 50 m
over average grass on a 1% slope. Please show your work on the
nomograph and submit the nomograph with your solutions.
Using The Overland Flow Time Nomograph Attached Find The Time Of Concentration For An Area In Which The Flow Must Tra 1 (72.41 KiB) Viewed 28 times
300 250 200 - 180 - 160 140 120 100 90 Disturbance of flow, m បា ១ ។ ៣០៩ សី ន១៨៩ ៩ឥតគិមុត888 ||▬▬ 80 70 60 55 50 45 40 35 30 25 20 16 10 9 8 7 6 5 4 3 Paved C = 0.95 Bare soil C = 0.55 Poor grass C= 0.44 C = 0.35 C = 0.28 surface Average grass surface Dense grass Character of ground Pivot line 0.10- 0.25- 0.50 1.00- 2.00 Example 5.00- 10.00- 20.00- 35 30 25 20- Percent slope Inlet concentration time, min 15 10- 9 8 7
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