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"PLIB" underway at Folger Passage
Posted by dwowens on 14-Aug-09 19:11
ODP 889
Posted by dwowens on 12-Aug-09 18:45
New photos from Lodbrog
Posted by dwowens on 08-Aug-09 20:43
New pictures from seafloor
Posted by dwowens on 06-Aug-09 17:27
2 Barkley Platforms Installed
Posted by dwowens on 04-Aug-09 23:19
Images from Endeavour Survey
Posted by tboesenk on 23-Jul-09 20:47
ROPOS survey continues despite bad weather
Posted by tboesenk on 22-Jul-09 07:00
Atlantis completed ODP 1027 Survey
Posted by tboesenk on 20-Jul-09 20:39
ODP 1027 Surveys
Posted by dwowens on 19-Jul-09 17:51
(Click the number buttons below to see previous blog posts.)

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14-Aug-09 19:11
The R/V Atlantis has returned to Victoria for demobilization. The ROPOS team will transfer to the R/V Thomas G. Thompson to begin the next phase of installation work next week.

Meanwhile, the C/S Lodbrog has deployed a remotely operated vehicle (ROV) for "PLIB" work in Folger Passage. "PLIB" stands for Post-Lay Inspection and Burial, and is required for all of our shallow-water cables. To do this work, the ROV descends to the seafloor and finds the cable by "listening" for a signal in it generated by the cable station. The ROV then moves along the cable track using water jets to progressively bury the cable.

The ROV aboard the Lodbrog is a "trencher" operated by LD TravOcean.

Lodbrog's ROV
Crew members who operate LD TravOcean's trencher ROV aboard the C/S Lodbrog, 3-July-2009.
Lodbrog at Esquimalt Graving Dock with remotely-operated vehicle (ROV) and NEPTUNE Canada trawl-resistant frame (TRF) on deck.
The front-end of the LD TravOcean's trencher ROV.
LD TravOcean's ROV aboard the C/S Lodbrog. Photo taken 3 July 2009 at the Esquimalt Graving Dock.
Posted by dwowens on 14-Aug-09 19:11
12-Aug-09 18:45
Our trawl-resistant frame (TRF) and science node for the ODP 889 site were deployed successfully yesterday. The TRF is sitting in 1250m of water at 48° 40.4686'N, 126° 51.1525'W.

This site on the mid-continental slope is rich in shallowly buried gas hydrates. Here, NEPTUNE Canada will help scientists monitor changes in hydrate distribution, depth, structure, properties and venting, particularly related to earthquakes, slope failures and regional plate motions. To learn more, visit the Bullseye Vent Gas Hydrates experiment.

ODP 889 Node Deployment
Deployment of the ODP 889 TRF, as seen from the R/V Atlantis, 11-Aug-2009.
ODP 889 TRF dangles beneath the Lodbrog's crane before deployment to the seabed, 11 August 2009.
Posted by dwowens on 12-Aug-09 18:45
(Click the number buttons below to see previous blog posts.)
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