Secchi disk transparency definition
Secchi disk transparency means the transparency of water as measured by a Secchi disk, a Secchi tube, or a transparency tube.
Secchi disk transparency means the average water depth of the point where a weighted white or black and white disk disappears when viewed from the shaded side of a boat, and the point where it reappears upon raising it after it has been lowered beyond visibility. The Secchi disk measures water clarity and is usually used in lakes.
Examples of Secchi disk transparency in a sentence
In addition, Secchi disk transparency was deep (average 13m), allowing for a large euphotic zone, indicating a system with dispersed phytoplankton production throughout the large euphotic zone.