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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About this tool
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.
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.
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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.