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FreeResearchGlobal
Global Surface Water Transitions (1984-2022)
First-of-its-kind global dataset identifying timing of surface water advance or recession at 30m resolution using Landsat time series. Published October 2025.
nature.com
At a glance
- Region
- Global
- Coverage
- Global, 30m resolution
- Access
- Free
- Category
- Research
- Last updated
- 2025
What's inside
- Surface Water Extent
- Land-Water Transitions
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 Extent
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
No-gauge areas
Monitor places with no ground stations.
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
Segmentation
Map water, crops and land use pixel by pixel with deep learning.
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- DLR SWIM Water ExtentGlobal | Free
- ESA WorldWater - Surface Water Dynamics (eo4society)Global | Free
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