Secchi Disk
Follow the directions provided by GLOBE.
Build
Instructions for building this tool at . The anticipated cost of materials to build this tool is Less than $20. It may take A few hours.
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| Description |
This tool is used to measure water transparency by slowly lowering the secchi disk beneath the surface of the water. Create your own 20cm in diameter disk with a line that is at least 5m long. Disk is 20cm in diameter. User can adjust line length depending on the depth of the body of water. |
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| Used by these projects | The GLOBE Program, The Secchi Dip-In, Secchi Dip-In, Secchi Dip-In 2016, Cooperative Lakes Monitoring Program, Lake Observer mobile app, MPCA Citizen Water Monitoring Program, Secchi App |
| Ideal Age Group | Elementary school (6 - 10 years), Middle school (11 - 13 years), High school (14 - 17 years), College, Graduate students, Adults, Families, Seniors |
| Training | Learning materials are available online. |
| Size & weight |
Small: This tool would fit in a 6 inch cube. --- |
| Expected lifetime | Should last at least a year |
| Topics | Nature & Outdoors, Ecology & Environment, Ocean, Water, Marine & Terrestrial |
| Tool updated | June 25, 2017, 1:35 p.m. |
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