Theia Data Terra Catalogue - Hydroweb & Surface Water Products
French Theia/Data Terra land surfaces catalogue exposing satellite water products: Hydroweb altimetric river/lake water levels and storage, Sentinel-2 surface watermasks, and high-resolution radar/optical soil moisture maps.
catalogue.theia.data-terra.org
At a glance
- Region
- France (Global)
- Coverage
- Global
- Access
- Free
- Category
- Research Institute
- Last updated
- 2025
What's inside
- river water level
- lake water level
- surface water extent
- soil moisture
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: river water level
- 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.
Machine access and documentation
Open API
OGC/CSW catalogue API and metadata records; data download via portal
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
Related water data
- Hydroweb Satellite Altimetry for Inland Waters (LEGOS/CNES)Global | Registration Required
- CATDS SMOS Land Products (Centre Aval de Traitement des Données SMOS)Global | Free
- Theia Catalogue - Sentinel-3 Lake Water Level Demonstration ProductGlobal | Free
- Theia Catalogue - SWOT Level-2 HR Raster 250m CollectionGlobal | Free
- Theia Land Data Centre - Water ProductsGlobal | Free
- ERA5-LandGlobal | Free
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