Methodology

This page provides the methodology used and modules provided in RiskChanges.

Methodology:

• Input Data
  • Hazard Maps
  • Elements-at-Risk
  • Administrative Units
  • Vulnerability Tables
• Exposure Calculation
  • Raster Hazard Layer with Point Elements-at-Risk
  • Raster Hazard Layer with Line, Polygon, and Raster Elements-at-Risk
    • Line Elements-at-Risk
    • Polygon Elements-at-Risk
    • Raster/Grid Elements-at-Risk
    • Exposure Result Representation
      • Detail Table
      • Summary Table
  • Vector Hazard Layer with Elements-at-Risk
  • The Effect of Layer Settings on Exposure Calculation
  • Hazard Layer Settings
    • Hazard Classification
    • Important Notes
    • Field Column
    • Hazard Classification Methods
  • Elements-at-Risk Layer Settings
    • Additional EaR Fields
  • Exposure Result Fields
  • Exposure Fraction
  • Exposed Count
  • Additional Exposure Metrics
• Loss Estimation
  • Vulnerability Tables
  • Loss Calculation Workflow
  • Linking Vulnerabilities to Elements-at-Risk
  • Loss Calculation Method
  • Result Visualization and Field Selection
  • Aggregated Loss Calculation
• Risk Assessment
  • Risk Assessment Concept
  • Risk Calculation Workflow
  • Risk Calculation Method
  • Risk Result Outputs
  • Result Visualization
  • Integration with Cost-Benefit Analysis
• Aggregated Calculations
  • Purpose of Aggregation
  • Aggregated Exposure Calculation
  • Aggregated Loss Calculation
  • Result Outputs and Visualization
• Alternative and Scenario
  • Alternative Concept
  • Scenario Concept
  • Alternative and Scenario Configuration
  • Alternative Economic Parameters
    • Baseline Alternative
    • Project Timeline
    • Total Initial Investment Cost
    • Initial Investment Period (Years)
    • Annual Maintenance Cost
    • Project Documentation
  • Scenario Parameters
  • Relationship with Calculations
• Cost-Benefit Analysis
  • Alternative Scenario Concept
  • CBA Workflow
  • Economic Input Parameters
    • Base Year
    • Project Starting Year
    • Project Lifetime (Years)
    • Currency
    • Total Investment Cost
    • Initial Investment Period (Years)
    • Annual Maintenance Cost
    • Discount Rate Percentage
  • CBA Calculation Method
  • CBA Result Outputs
    • Detail Table
    • Summary Table
  • Calculated Economic Indicators
    • Total Value of Cost
    • Total Value of Benefit
    • Net Benefit
    • Discounted Net Benefit
    • Net Present Value (NPV)
    • Benefit-Cost Ratio (BCR)
    • Internal Rate of Return (IRR)
  • Comparison of Alternatives
• Data Visualization
  • Overview and User Needs
  • Map Visualizaton Options
  • Style and Symbology
  • Basic Map Tools
  • Active Layer and Legend
  • Information on Click
  • Map Download
  • Visualization for Vulnerability Data
  • Visualization for Exposure, Loss, and Risk Results
  • Exporting Results