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objects (en) > equipment (en) > measuring instruments (en) > light measuring instruments (en) > Secchi discs (en)

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DEFINITION

  • The Secchi disk (or Secchi disc), as created in 1865 by Angelo Secchi, is a plain white, circular disk 30 cm in diameter used to measure water transparency or turbidity in bodies of water.

    Source: https://en.wikipedia.org/wiki/Secchi_disk

    Created: 10/28/21

    (en)

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http://aims.fao.org/aos/agrovoc/c_8408c571

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