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CE 3354 Engineering Hydrology
Fall 2022 Exercise Set 12

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Purpose :

Analyze Rainfall-Runoff data to extract a Unit Hydrograph.

Assessment Criteria :

Completion, plausible solutions, use of Jupyter Notebook as a calculator/documentation method

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A storm on April 16, 1977, on the Shoal Creek watershed at Northwest Park in Austin, Texas, resulted in the rainfall-runoff values in Figure 1.

Exercise 1:

Use the linear regression method to determine the half-hour unit hydrograph for the watershed. The watershed drainage area is 7.03 $mi^2$. Assume that a uniform loss rate (constant loss model) is valid.

Note This exercise is a hybrid of problems 7.6.2 and 7.6.5, pg 239 in Chow, Maidment, and Mays.