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FreeGovernmentJapan, East Asia
Japan Geospatial Information Authority (GSI) Flood Maps
Japan's Geospatial Information Authority provides detailed flood hazard maps, inundation area data, and elevation data critical for flood risk management across Japanese municipalities.
disaportal.gsi.go.jp
At a glance
- Region
- Japan (East Asia)
- Coverage
- National
- Access
- Free
- Category
- Government
What's inside
- Flood Hazard Maps
- Inundation Area
- Elevation
- Risk Assessment
What you can do with it
Typical work that data of this type supports.
- 01
Hazard maps
Map flood-prone areas and who and what is exposed.
Because it has: Flood Hazard Maps
- 02
Model validation
Check flood models against observed events.
- 03
Response planning
Support evacuation, relief and insurance decisions.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Flood extent from SAR
Segment flooded areas in radar imagery, even through cloud.
- 02
Depth estimates
Learn flood depth from terrain, rainfall and past events.
- 03
Early warning
Turn forecast ensembles into simple, local alerts.
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