pl23_reef0145.jpg
Description
Secchi disc readings were used to determine turbidity at the reef site on a regular basis. The rope was marked at five foot intervals to determine at what distance the disc could no longer be seen on a horizontal axis.
Photographer
Dr. James P. McVey
Display Date
Jun-69
Location
Pokai Bay, Oahu
Collection
Coral Kingdom
Pacific Reefs
Diving Biologists
NOAA Affiliation
NOAA Sea Grant Program
Keywords
Coral Reefs
Marine Biologist
Artificial Reef
Diving