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1. Determine the direct runoff hydrograph by separating the baseflow. 2. Derive the unit hydrograph (for 1 centimeter of direct runoff) for the 3-hr rainfall.

1. Determine the direct runoff hydrograph by separating the baseflow. 2. Derive the unit hydrograph (for 1 centimeter of direct runoff) for the 3-hr rainfall.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Sample Problem Given the following observed flows from a storm of 3-hr duration on a watershed with a drainage area of 10 sq. km. Assume that the base flow at the end of the runoff period is 6.0 cubic meters per second. TIME Q (hours) (m³/s) 1 6.0 2 15 3 25 4 21 5 13 6 6.0 1. Determine the direct runoff hydrograph by separating the baseflow. 2. Derive the unit hydrograph (for 1 centimeter of direct runoff) for the 3-hr rainfall.
Transcribed Image Text:Sample Problem Given the following observed flows from a storm of 3-hr duration on a watershed with a drainage area of 10 sq. km. Assume that the base flow at the end of the runoff period is 6.0 cubic meters per second. TIME Q (hours) (m³/s) 1 6.0 2 15 3 25 4 21 5 13 6 6.0 1. Determine the direct runoff hydrograph by separating the baseflow. 2. Derive the unit hydrograph (for 1 centimeter of direct runoff) for the 3-hr rainfall.
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