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The Secchi disk (or Secchi disc), as created in 1865 by Angelo Secchi, is a plain white, circular disk 30 cm (12 in) in diameter used to measure water transparency or turbidity in bodies of water. The disc is mounted on a pole or line and lowered slowly down in the water. The depth at which the disk is no longer visible is taken as a measure of the…
History, Applications & Science
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secchi disk depth water used transparency measure 10 diameter turbidity marine bibcode doi issn white disc cm also phytoplankton light
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Secchi disk | is a | standard disk used in limnology | 0.90 | text |
| Secchi disk | has application | Secchi | 0.60 | section |
| Secchi disk | has application | Minnesota's | 0.60 | section |
| Secchi disk | has application | Wisconsin's | 0.60 | section |
| Secchi disk | has application | The | 0.60 | section |
| Secchi disk | has application | Similarly | 0.60 | section |
| Secchi disk | has application | Indiana Clean Lakes Program | 0.60 | section |
| Secchi disk | has application | Indiana | 0.60 | section |
| Secchi disk | has application | In | 0.60 | section |
| Secchi disk | has application | This | 0.60 | section |
| Secchi disk | has application | The Secchi Disk | 0.60 | section |
| Secchi disk | related to External links | Secchi | 0.60 | section |
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