# A small, 2-ha, mostly impervious urban catchment has an average slope of 1.5% and the following average. Horton infiltration parameters:

## Question:

a) Determine the depression storage using Fig. 6.3

b) Calculate and sketch the hyetograph of rainfall excess over the whole time interval as for the rainfall-hyetograph, and average the first nonzero rainfall excess over the whole time interval.

c) Calculate and sketch the hyetograph of rainfall hyetograph, and average the first nonzero rainfall excess over the whole time interval.

d) Determine the runoff coefficient.

e) Compute the volume of runoff, in m3.

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## Step by Step Answer:

**Related Book For**

## Hydrology and Floodplain Analysis

**ISBN:** 978-0132567961

5th edition

**Authors:** Philip B. Bedient, Wayne C. Huber, Baxter E. Vieux

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**Question Posted:**April 01, 2016 06:15:02