Hydroweb LEGOS - Satellite Altimetry Water Levels of Rivers and Lakes
LEGOS HydroWEB service providing water level time series for thousands of river virtual stations and over 150 lakes worldwide, derived from multi-mission satellite radar altimetry since 2003. Operational and delayed-mode products.
legos.omp.eu
At a glance
- Region
- France (Global)
- Coverage
- Global
- Access
- Free
- Category
- Research Institute
- Last updated
- 2026
What's inside
- water level
- satellite altimetry
- rivers
- lakes
- time series
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: water level
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
No-gauge areas
Monitor places with no ground stations.
Because it has: satellite altimetry
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.
Related water data
- Theia / Data Terra Catalogue - Hydroweb Operational Altimetry River & Lake Water LevelGlobal | Free
- C3S Satellite Lake Water LevelGlobal | Registration Required
- Copernicus In Situ - Hydrological Data for Water Level AltimetryEurope | Free
- Global River Water Quality Archive (GRQA)Global | Free
- High-Resolution Global Streamflow (1980-2020)Global | Free
- Hydroweb Satellite Altimetry for Inland Waters (LEGOS/CNES)Global | Registration Required
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