UNOSAT Flood Portal
UN satellite-derived flood maps in GIS vector format from disaster events worldwide using RADARSAT, Sentinel-1, SPOT, TerraSAR-X, and ALOS PALSAR imagery, downloadable as Shapefile, KML, GeoJSON, and GeoTIFF
unosat.org
At a glance
- Region
- Global
- Coverage
- Global disaster events
- Access
- Free
- Category
- UN Organization
What's inside
- Flood Mapping
- Disaster Response
- Satellite Imagery
- GIS Vector Data
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 Mapping
- 02
Model validation
Check flood models against observed events.
- 03
No-gauge areas
Monitor places with no ground stations.
Because it has: Satellite Imagery
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
Segmentation
Map water, crops and land use pixel by pixel with deep learning.
Related water data
- International Charter: Space and Major DisastersGlobal | Free
- NASA NRT Global Flood Products v1.1Global | Free
- OPERA Dynamic Surface Water Extent (DSWx-S1)Global | Free
- Canada EODMS (Earth Observation Data Management System)Global | Registration Required
- CONAE SAOCOM L-Band SAR CatalogGlobal | Registration Required
- Copernicus Global Flood Monitoring (GFM) - CEMS InformationGlobal | Free
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