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This website, hosted by the Michigan Lake and Stream Associations, offers a comprehensive description of the Secchi disk. It includes a history of the Secchi disk, a discussion on the value of Secchi readings, and a description of Secchi disk data and results analysis.
Subject: Biology, Ecology:Habitats:Water Column, Geoscience:Geology:Sedimentary Geology:Sediment Transport and Deposition, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry Resource Type: Scientific Resources:Overview/Reference Work Grade Level: College Lower (13-14), General Public, High School (9-12), Middle (6-8) Theme: Teach the Earth:Teaching Topics:Water, Teach the Earth:Course Topics:Hydrology/Hydrogeology, Ecology, Sedimentary GeologyKeywords: turbidity, TSS, water clarity