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Modeling Subcatchments into subcatchments

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Gunns

Gunns

Civil/Environmental
Joined
Sep 29, 2006
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19
Location
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Can you have a Subcatchment drain to another subcatchment before going to a pond in HydroCAD 8.0?
 
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Just tried on 7.1, and it looks like you couldn't then.

You can combine their hydrographs into a Link, then route the Link into a Pond.

Hey, Peter, any chance of eliminating the Link?

Engineering is the practice of the art of science - Steve
 
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You can add the flows with a link, reach, or pond. In your case, just route the two subcats to the pond. You don't need an intermediate link.
 
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Of course, if the travel time of the flow from one subcatchment through another subcatchment is significant, one should model it as a reach so that the lag is accounted for when the hydrographs are ultimately added together.
 
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