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Instrument Platform Details
Barkley Canyon Axis (Pod 1)
The Barkley Canyon Axis instrument platform is also known as "Barkley Benthic Pod 1". It is connected by a 1430m-long extension cable to the Barkley Hydrates instrument platform.
This platform is positioned in the axis of Barkley Canyon, which is a very active location in geologic terms. Sedimentation rates are very rapid, and underwater videos of the platform location show a constant "snow" of sediment falling to the seafloor. Also, at certain times of year, upwelling events can cause water from the deep ocean to be forced upward through the canyon toward the surface.
Additionally, this area is subject to slope failures, which can send large amounts of sediment rolling down the canyon like an undersea avalanche. Such an event might bury or destroy the platform, but the data gathered at the time would be invaluable to scientists.
Instruments on this platform
- Kongsberg Mesotech Rotary Sonar
- low-light black & white video camera
- Nortek Aquadopp High Resolution Current Profiler
Instruments positioned nearby
Location
Connected to Barkley Slope/Canyon node on 26 Jul 2009 from the CCGS Tully.
- Depth: 981.0m
- Lat: 48.316795N
- Lon: 126.050247W
- Heading: 43.0°
Overview map showing platforms Barkley Canyon. (Click to enlarge.)
Photos
Click the images to see enlarged pictures with full captions.
 Barkley Benthic Pod 1 (canyon axis) after deployment, 17 May 2010. (Click to enlarge.)  Opposite from camera.  Barkley Canyon axis hydrophone |
 Another view of the platform.  Port J13 on platform.  Connecting ROPOS to ROCLS. |
 Platform from above.  Barkley Hydrates to axis platform cable.  Squid visits during descent. |
 Sonar deployment.  Push core sampling.  Barkley Canyon axis hydrophone after deployment, 17 May 2010. |
Installed Platforms
Barkley Canyon/Slope
Barkley Upper SlopeBarkley Hydrates
Barkley Benthic Pod 2
Vertical Profiler System
Hydrates Crawler
Barkley Canyon Axis (Pod 1)
Barkley Benthic Pod 3
Barkley Benthic Pod 4
Folger Passage
Folger DeepFolger Pinnacle
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