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McGill Global HydroLAB: GLWD
Developer site for the Global Lakes and Wetlands Database (GLWD v1 and v2), with technical documentation and access links for the global inland-surface-water and wetland mapping products.
wp.geog.mcgill.ca
At a glance
- Region
- Global
- Coverage
- Global
- Access
- Free
- Category
- Academic
- Last updated
- 2025
What's inside
- lakes
- wetlands
- surface water
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: lakes
- 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
- GLWD v2 Global Lakes & Wetlands DatabaseGlobal | Free
- PO.DAAC Cookbook - SWOT Hydrology Data AccessGlobal | Free
- USGS WISP - What is SWOT (Surface Water Mission Portal)Global | Free
- EyeOnWaterGlobal | Free
- Global annual wetland dataset at 30 m with fine classification from 2000 to 2022Global | Free
- Global Peatlands Initiative MapGlobal | Free
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