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Re: Kinematic wave modeling: Free outfall depth
In EPA SWMM help you can find the explanation after looking for the keyword outfall.
Outfalls are terminal nodes of the drainage system used to define final downstream boundaries under Dynamic Wave flow routing. For other types of flow routing they behave as a junction.
A outfall is treated as a junction in kinematic wave modeling, so the water in network can only flow out as overflow a junction.
SWMM 5.0.011 have revised it.
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