Advertisement
Advertisement
Secchi depth
noun
- the depth at which a Secchi disk is no longer visible from the surface of ocean water.
Secchi depth
/ sĕk′ē /
- A measure of the clarity of water, especially seawater. Secchi depth is measured using a circular plate, known as a Secchi disk, which is lowered into the water until it is no longer visible. High Secchi depths indicate clear water; whereas low Secchi depths indicate cloudy or turbid water.
- See also Secchi disk
Advertisement
Advertisement
Advertisement
Advertisement
Browse