Instrument: Secchi Disc
Dataset:
Instrument:
Instrument Short Name: Secchi Disc
(http://vocab.nerc.ac.uk/collection/L22/current/TOOL0430/)
Instrument Description:
Typically, a 16 inch diameter white/black quadrant disc used to measure water optical clarity
PI supplied instrument name: Secchi Disc
Dataset-specific description
A 20 cm secchi disk with four alternating white and black quadrants was used.