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.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: Water Levels
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 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.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Downscaling
Turn coarse rainfall grids into field or ward scale estimates.
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