Tag: Inshore 80 m

Marine Blizzards In Pacific Waters

A "snow storm" of material in the shallow waters (80 m) off of Newport, Oregon prevented the ROV Jason from recovering and redeploying the Bethic Experiment Platform during the first two dives of the VISIONS'17 program. These waters are some of the most biologically productive in the worlkds' oceans. Credit: UW/OOI-NSF/WHOI; V17.

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End of Leg 7

Leg 7 of VISIONS ’14 was only a single dive, to deploy a cabled surface-piercing profiler at the Oregon Shelf site. This successful dive concludes the entire summer of deployments on a high note.

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Cabled surface piercing profiler at OR Shelf

The cabled coastal surface-piercing profiler (cCSPP) was delivered to the seafloor by ROPOS and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water. The cylindrical sensor pod of the cCSPP (left side of image) will float freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.

 

Photo Credit: NSF/UW/CSSF, Dive R1801, V14

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Releasing cCSPP sensor pod

ROPOS using the starboard manipulator to pull the release that allowed the sensor pod of the cabled coastal surface-piercing profiler (cCSPP) to swing upwards and float freely in the water. The cCSPP was delivered to the seafloor and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water.

 

Photo Credit: NSF/UW/CSSF, Dive R1801, V14

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Sensor pod of the cCSPP released

The sensor pod of the cabled coastal surface-piercing profiler (cCSPP) floating freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.

 

Photo Credit: NSF/UW/CSSF, Dive R1801, V14

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Dive R1756 Hghlights Oregon Inshore Shelf Site

Video highlights for ROPOS Dive R1756 on the Oregon Shelf starting at 80 m water depth. Marker 6 was placed for installation of the junction box MJ01C later in the program. Marker 3 was deployed at the end of the planned 17 km cable lay. The cable route was also surveyed for potential hazards or obstacles. Video credit: NSF-OOI/UW/CSSF; Dive R1756; V14.

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