HydroSAR Sentinel-1 Flood & Surface Water (NASA SERVIR / ASF)
Cloud-based Sentinel-1 SAR flood monitoring service (NASA SERVIR / University of Alaska Fairbanks ASF) producing 30 m surface-water extent (HYDRO30) and flood-depth (FD30) products, processed on demand via the ASF HyP3 platform.
hyp3-docs.asf.alaska.edu
At a glance
- Region
- United States (Global)
- Coverage
- Global
- Access
- Free
- Category
- Space Agency
- Last updated
- 2025
What's inside
- surface water extent
- flood depth
- SAR water mask
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 depth
- 02
Model validation
Check flood models against observed events.
- 03
Storage tracking
Follow storage and releases through the season.
Because it has: surface water extent
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
Storage from space
Estimate volume from satellite water area and altimetry.
Machine access and documentation
Open API
ASF HyP3 REST API for on-demand SAR water/flood product generation
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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