hydrologic-modeling-engine

# Hydrologic Modeling Engine Skill ## Purpose The Hydrologic Modeling Engine Skill performs hydrologic analysis including rainfall-runoff modeling, flood frequency analysis, and watershed characterization using established methods. ## Capabilities - Rational method calculations - SCS/NRCS curve number method - Unit hydrograph generation - Reservoir routing - Time of concentration calculation - IDF curve analysis - Flood frequency analysis - Watershed delineation ## Usage Guidelines ### When to Use - Estimating design flows - Analyzing watersheds - Designing stormwater facilities - Evaluating flood risk ### Prerequisites - Watershed characteristics known - Rainfall data available - Land use identified - Soil types classified ### Best Practices - Select appropriate method - Validate with observed data - Consider climate effects - Document assumptions ## Process Integration This skill integrates with: - Stormwater Management Design - Flood Analysis and Mitigation - Hydraulic Structure Design ## Configuration ```yaml hydrologic-modeling-engine: methods: - rational - scs-curve-number - unit-hydrograph - reservoir-routing outputs: - peak-flow - hydrograph - report ``` ## Output Artifacts - Peak flow calculations - Hydrographs - Watershed reports - Routing analyses