HEC-HMS Tutorials and Guides Current: Sedimentation, Debris and Post-Wildfire Modeling PDF Download PDF Download page Sedimentation, Debris and Post-Wildfire Modeling. Current page Include child pages All pages Sedimentation, Debris and Post-Wildfire Modeling Guidance on methods for modeling sedimentation, erosion, debris yield and wildfire impacts to the watershed in HMS. Applying Debris Yield Methods in HEC-HMS Modeling Surface Erosion in HMS Hydrologic Modeling and Debris Flow Estimation for Post Wildfire Conditions Applying the Pak and Lee Dynamic Surface Method for Post-wildfire Hydrologic Modeling Applying Debris Yield Methods in HEC-HMS (Sediment Restructure: HMS 4.14) ×