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Preferred term

secchi depth

Definition

n. is a measure of water trasparency in oceans and lakes. N. is measured by Secchi disk created in 1865 by Pietro Angelo Secchi. Secchi disk is a circular disk mounted on a pole or line, and the depth at which the pattern on the disk is no longer visible is taken as a measure of the transparency of the water.

Broader concept

variable

Entry terms

secchi

Note

[controlled by ] Alessandro Oggioni 23.05.2013 , "[controlled by ] Alessandro Oggioni 23.05.2013

Scope note

US LTER controlled vocabulary

Creator

herbert.schentz@umweltbundesamt.at

URI

http://vocabs.lter-europe.net/EnvThes/22226

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Created 3/31/16, last modified 12/18/18

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