WMS:TR-20 Outflow Parameters
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The outflow for a diversion can be specified in one of two ways. In the first method, a constant flow is diverted. For this method, you must define what this constant outflow is. You can also define a cross section and the decimal fraction of the drainage area to be associated with the main channel output hydrograph (the drainage area fraction) here. In the second method of defining a diversion, you define the cross section for the diversion. TR20 uses a rating curve to divide flow between the two cross sections that comprise the diversion. You can define the decimal fraction of the drainage area to be associated with the main channel output hydrograph (the drainage area fraction) using this method as well.
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