All water data sources
FreeGovernmentJapan, Asia

Japan Water Agency Real-time Data

Real-time water source information including water levels, rainfall, dam operations

water.go.jp

At a glance

Region
Japan (Asia)
Coverage
7 major river systems
Access
Free
Category
Government
Last updated
Real-time

What's inside

  • Water Levels
  • Rainfall
  • Dam Data
  • Real-time Monitoring

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: Water Levels

  2. 02

    Change over time

    See how lakes and wetlands have grown or shrunk.

  3. 03

    Design storms

    Build rainfall intensity-duration-frequency curves for drainage design.

    Because it has: Rainfall

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

    Downscaling

    Turn coarse rainfall grids into field or ward scale estimates.

All water data sources in Japan

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