Dependent Variable Set
Flood Trace Map
Flood trace / flood damage records
(2010–2025)
Magnitude
- No. of damaged houses
- Inundation area
- Flood volume proxy
(area × depth)
Repeatability
- No. of damage years
- Evenness
- Share of the most damaged year in total damage
Clustering Analysis
Independent Variable Set
Flood Hazard Map
Census &
Administrative Data
Administrative Data
Exposure
to Risk
to Risk
Household
Characteristics
Characteristics
Housing
Characteristics
Characteristics
Cluster Group (k = 5)
Independent Variables
- At-risk Houses
- Single HH ratio
- Youth ratio
- Elderly ratio
- Non-housing ratio