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FreeSpace AgencyGlobal

Landsat-Sentinel Water Indices

Global multi-sensor surface water mapping

nature.com

At a glance

Region
Global
Coverage
Global 30m resolution
Access
Free
Category
Space Agency
Last updated
2025

What's inside

  • Water Indices
  • Surface Water Mapping
  • Multi-sensor Data
  • High Resolution
  • Time Series

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: Surface Water Mapping

  2. 02

    Change over time

    See how lakes and wetlands have grown or shrunk.

  3. 03

    No-gauge areas

    Monitor places with no ground stations.

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

    Segmentation

    Map water, crops and land use pixel by pixel with deep learning.

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