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JAXA ALOS-4 PALSAR-3 L-band SAR

L-band SAR from ALOS-4 (launched 2024) with 3-25m resolution modes. L-band penetrates vegetation canopy for wetland/flood mapping under forest cover. Free global mosaics and forest/non-forest maps

eorc.jaxa.jp

At a glance

Region
Global
Coverage
Global, 3-25m resolution
Access
Limited
Category
Space Agency

What's inside

  • SAR Imagery
  • Wetland Mapping
  • Flood Detection
  • Forest/Non-Forest

What you can do with it

Typical work that data of this type supports.

  1. 01

    Hazard maps

    Map flood-prone areas and who and what is exposed.

    Because it has: Flood Detection

  2. 02

    Model validation

    Check flood models against observed events.

  3. 03

    Storage tracking

    Follow storage and releases through the season.

    Because it has: Wetland Mapping

Where AI adds value

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

  1. 01

    Flood extent from SAR

    Segment flooded areas in radar imagery, even through cloud.

  2. 02

    Depth estimates

    Learn flood depth from terrain, rainfall and past events.

  3. 03

    Storage from space

    Estimate volume from satellite water area and altimetry.

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