Robert Carlson Secchi Dip-In (NALMS)
North American Lake Management Society annual citizen-science program collecting volunteer Secchi-disk water transparency measurements from lakes, rivers, and streams across North America since 1994 (45,000+ records).
nalms.org
At a glance
- Region
- United States (North America)
- Coverage
- North American lakes, rivers and streams, 1994-present
- Access
- Free
- Category
- Government
What's inside
- Water Clarity
- Secchi Depth
- Water Quality
- Lake Monitoring
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: Lake Monitoring
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water Quality
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
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
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