Peter-
Yes, this method is a little odd, but we are trying to follow the requirements of the jurisdiction we are working in. All hydrographs are supposed to be triangular, starting at 0 at time 0, peaking at the Tc Time, and then ending at 0 at time 1-hour. When I have multiple subcatchment...
In HydroCAD, I am using a Link to manually enter an exactly triangular shaped hydrograph. My problem is that HydroCAD uses a best fit line to "match" my hydrograph data and calculates a "rounded" hydrograph peak that is inevitably higher than my actual peak. Is there a way to stop HydroCAD from...