Tag: VISIONS14

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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Orange anemone clinging to hydrophone cable

An orange anemone clinging to the hydrophone cable at the Oregon Shelf site. The hydrophone was only deployed roughly a week before, so this anemone found the hard substrate and attached itself fairly quickly.

 

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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