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GLRSED: Global Lakes/Reservoirs Surface Extent Dataset
An integrated multi-source dataset (GLRSED v1.2) of global lake and reservoir surface extents provided in shapefile format, harmonizing several existing waterbody inventories into a consistent global product.
rmets.onlinelibrary.wiley.com
At a glance
- Region
- Global
- Coverage
- Global
- Access
- Free
- Category
- Research
- Last updated
- 2025
What's inside
- lake extent
- reservoir extent
- surface area
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: lake extent
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Operations
Support release and supply decisions.
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
Shrinkage alerts
Detect water bodies that are drying or being encroached.
Related water data
- GARS Lab: Global Lake Area (GLAKES)Global | Free
- NASA GSFC Global Water Monitoring (GWM) - Lakes and ReservoirsGlobal | Free
- ReaLSAT: Reservoir and Lake Surface Area Timeseries (UMN)Global | Free
- SWOT Lake Water Surface ElevationGlobal | Registration Required
- UNEP Freshwater Ecosystems ExplorerGlobal | Free
- Copernicus Lake Water Quality NRT v2 (100m)Global | Free
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