Interpreting breach hydrograph from an inline structure with gates

[jsmith22]

Hello All,

I am simulating a “sunny day” dam breach scenario on the eastern embankment of a large dam. I have modeled the dam and embankment as one inline structure with gates to simulate flow through the dam. When I view the flow hydrograph at the inline structure I am uncertain which curve represents the flow through the breach. My guess is that it is the total flow or “Flow” in the attached figure minus the “Gate Flow” can any one confirm this for me?

Thanks,
Joey

[Chris G.]

That is correct.

[Author]

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