Abstract
In the previous chapter it was determined that runoff occurs whenever the rainfall intensity exceeds the infiltration rate. In many situations it is important to be able to determine the volume of water that will run off an area and/or the maximum rate of runoff. The volume of runoff is used to size drainage structures and water impoundments. One of the uses of the peak rate is to size drainage ways, culverts, and bridges. The peak rate can be easily visualized if the flow rate is plotted in the form of a hydrograph. A hydrograph plots the runoff rate for a watershed versus time. A watershed is a drainage basin where all of the water that runs off passes through one point, Figure 17.1.
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© 2007 Springer
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Field, H.L., Solie, J.B. (2007). Water Runoff. In: Introduction to Agricultural Engineering Technology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-36915-0_17
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DOI: https://doi.org/10.1007/978-0-387-36915-0_17
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-36913-6
Online ISBN: 978-0-387-36915-0
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