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

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