All water data sources
FreeNGOGlobal

WWF: Global Lakes and Wetlands Database (Small Lake Polygons L2)

WWF publications page distributing GLWD small-lake polygon (Level 2) and related lake/wetland layers, a foundational global vector dataset of lakes, reservoirs and wetlands.

worldwildlife.org

At a glance

Region
Global
Coverage
Global
Access
Free
Category
NGO
Last updated
2024

What's inside

  • lake polygons
  • wetland extent
  • reservoirs

Terms explained

What you can do with it

Typical work that data of this type supports.

  1. 01

    Storage tracking

    Follow storage and releases through the season.

    Because it has: lake polygons

  2. 02

    Change over time

    See how lakes and wetlands have grown or shrunk.

  3. 03

    Operations

    Support release and supply decisions.

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Storage from space

    Estimate volume from satellite water area and altimetry.

  2. 02

    Release decisions

    Optimise releases against inflow forecasts.

  3. 03

    Shrinkage alerts

    Detect water bodies that are drying or being encroached.

Find more water data

Search and compare 1,900+ water data sources by region, type and access.