HEC-HMS Tutorials and Guides Current: Parameter Estimation PDF Download PDF Download page Parameter Estimation. Current page All pages Parameter Estimation Collection of tutorials that include guidance on Parameter Estimation including published sources, typical values, and equations.Estimating Parameters with GIS DatasetsEstimating Clark Unit Hydrograph ParametersApplying the Initial and Constant Loss MethodApplying the Deficit and Constant Loss MethodApplying the Linear Deficit and Constant Loss MethodApplying the Muskingum Routing MethodApplying the Lag Routing MethodApplying the Maricopa County Parameter Estimation ToolsApplying the Maricopa County Green-Ampt Parameter Estimation ToolParameterizing Gridded Basin MethodsParameterize the Dynamic Surface Method and Compute a Simulation ×