Delta Hydro

1 tool · Topic

Unit Hydrograph Software & Libraries

Unit hydrograph theory turns effective rainfall into a runoff hydrograph, and it is still the workhorse of event-based design hydrology. The tools below cover SCS dimensionless, Snyder and Clark unit hydrographs, plus libraries for deriving unit hydrographs from observed events.

HEC-HMS

FreeVerified

The US Army Corps standard for rainfall-runoff modelling — event and continuous simulation, free to use.

Hydrology & Catchment AnalysisActiveHEC-HMSSCS Curve Number