UN-SPIDER Knowledge Portal - Space-based Water & Flood Data Sources
UN-SPIDER curated directory and recommended practices for space-based water and flood data, including SMAP/ASCAT soil moisture viewers, DAHITI water levels, Sentinel-1/2 flood mapping and global surface water products.
un-spider.org
At a glance
- Region
- Austria (Global)
- Coverage
- Global
- Access
- Free
- Category
- UN Organization
- Last updated
- 2026
What's inside
- flood mapping
- soil moisture
- surface water
- satellite
- water level
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: surface water
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Irrigation scheduling
Decide when and how much to irrigate.
Because it has: soil moisture
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Field-scale ET
Estimate crop water use per field by combining satellite and weather with ML.
Related water data
- CONAE SAOCOM L-Band SAR CatalogGlobal | Registration Required
- COSMO-SkyMed SAR Data (ASI/ESA)Global | Research
- GTN-H Global Terrestrial Network - HydrologyGlobal | Free
- ICDC University of Hamburg - ASCAT MetOp Surface Soil MoistureGlobal | Free
- ERA5-LandGlobal | Free
- GRACE-FO Global Weekly Drought MapsGlobal | Free
Find more water data
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