These data represent the light intensity (lux) of downwelling light upon the benthos along differing conditions of octocoral canopy formation. Measurements were recorded every second from 05:00:00 to 23:05:21 (Local Time, Atlantic Standard Time, GMT-04:00) on March 12th, 2019 using HOBO light loggers (model UA-0002-64). Loggers were placed at ~8-m depth at Yawzi point, in Lameshur Bay, St. John U.S. Virgin Islands. These data were used to evaluate the potential creation of differential light reg...
Show moreLocation: Yawzi Point, Lameshur Bay St. John, U.S. Virgin Islands at 8 m depth.
Research conducted from the University of the Virgin Islands Marine Station in Lameshure Bay during March 2019.
Methods & Sampling:
Measurements were recorded every second from 05:00:00 to 23:05:21 (Local Time, Atlantic Standard Time, GMT-04:00) on March 12th, 2019 using HOBO light loggers (model UA-0002-64). Loggers were placed at ~8-m depth at Yawzi point, in Lameshur Bay, St. John U.S. Virgin Islands.
Each logger was secured in the center of a quadrat (1 m2), in which octocorals were censused, and a level was used to fix the sensor perpendicular to the horizon. Deployment occurred on days characterized by sunshine and scattered clouds, and low wind speeds of ~ 6.0–8.5 m s-1 (CariCOOS buoy 41052, ~ 8 km SW of Cabritte Horn).
Instruments:
HOBO Light and Temperature Logger, Model UA-0002-64
Girard, J., Edmunds, P. J. (2023) Light intensity (lux) of downwelling light upon the benthos along differing conditions of octocoral canopy formation in Lameshur Bay St. John, U.S. Virgin Islands in March of 2019. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2023-03-21 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.892272.1 [access date]
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