Risk assessment data combining natural or anthropogenic hazards with human vulnerability and exposure. The hazard itself (earthquake, flood, storm) originates in a physical sphere. This twig addresses the risk to humans — what happens when the hazard meets human settlements, infrastructure, and populations.
The Risk Triangle
Risk = Hazard × Exposure × Vulnerability
- Hazard: The physical event (from Geosphere Hazards, Hydrosphere flooding, Atmosphere storms)
- Exposure: Which populations and assets are physically located in the hazard zone
- Vulnerability: How susceptible those populations/assets are to damage
This twig stores the combined assessment — maps showing which areas face high risk from multiple hazards overlaid with population density and infrastructure value.
Scope
- Multi-hazard risk mapping: Combined risk indices from multiple natural hazards
- Population vulnerability: Socioeconomic vulnerability indicators spatially mapped
- Critical infrastructure exposure: Which hospitals, power plants, transport links are in hazard zones
- Climate adaptation: Future risk projections under climate scenarios
- Insurance and loss models: Expected economic loss from natural disasters
Leaves
| Leaf | Question | Lens | Connection |
|---|---|---|---|
| Bathing Water Quality | Is bathing water suitable and safe for human recreational use at this location and time? | member | Suitability classes and thresholds support public risk messaging and advisories. |
| Coastal Erosion Risk | Where is coastal erosion risk highest, and how severe is the expected shoreline impact? | member | |
| Flood Hazard and Inundation | Which areas are exposed to flooding or inundation here, and under what scenario or return period? | member | |
| Spill and Pollution Incidents | Which spill, contamination, or hazardous discharge signals are reported for this area? | member |
Classical Theme Mappings
| Standard | Theme | Link |
|---|---|---|
| INSPIRE | Natural Risk Zones | Natural Risk Zones |