Preferred term
secchi depth
Is replaced by
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
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/USLterCV_490