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wally

Jul 18, 2017

Earthquakes, pyrosomes, robots, and big seas

A summary of Ocean Networks Canada’s maintenance expedition in the northeast Pacific: Wiring the Abyss, Leg 2, 6-26 June 2017.

Big swells rock exploration vessel (E/V) Nautilus and cable ship (C/S) Cable Innovator during a tricky seafloor operation to lay three kilometres of cable at the Cascadia subduction zone (Figure 1). Over a kilometer below the choppy ocean surface, this fibre-optic cable connects a variety of deep sea sensors, including several accelerometers that will contribute to British Columbia’s earthquake early warning system.

...
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wally | expedition | Wiring the Abyss | E/V Nautilus | C/S Cable Innovator | clayoquot slope | Canada 150 | expedition 2017 | maintenance expedition | Ocean Exploration Trust

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Jun 28, 2017

The Deepest Way to Celebrate #Canada150

As we celebrate Canada’s 150 years of confederation, we must do so with full knowledge and pride that our country has been home to Indigenous peoples with advanced governing structures for tens of thousands of years.

Ocean Networks Canada (ONC) celebrates the country’s founding peoples year-round by supporting communities as they continue to inform themselves about their coasts and ocean waters. We do this through ONC’s community observatories along British Columbia’s coast and by ensuring that science is conducted with traditional knowledge (Figure 1...

Read more

Canada150 | Canada Day | wally | Ocean Networks Canda | expedition | Nautilus

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Jul 18, 2017

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Oct 31, 2016

Expedition 2016 Wrap: Bigger Footprint Enables Better Science
Jul 8, 2016

Jul 8, 2016

Expedition 2016 Wrap: Bigger Footprint Enables Better Science

Ocean Networks Canada’s (ONC) Expedition 2016: Wiring the Abyss returned to port on June 25 after 40 days at sea off the west coast of Canada. This ambitious undertaking involved 149 people aboard three ships, and included three remotely operated vehicles (ROV) making 44 dives to deploy, maintain and recover 180 instruments and lay 18 km of fibre-optic cable. The dynamic 24/7 operations engaged viewers across the world via live stream and featured regular Q&A with scientists, educators and engineers.

...
Read more

expedition 2016 | R/V Sikuliaq | C/S Wave Venture | E/V Nautilus | NEPTUNE | Wiring the Abyss | earthquake early warning | endeavour | barkley canyon | wally

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Aug 15, 2013

Introduction to Barkley Canyon

Wally the crawler collecting data in ONC's Barkley Canyon observatory.

Barkley Canyon at a Glance:

  • Region: Extending from the continental shelf edge, at a depth of 400 m, and continuing down the continental slope to the canyon axis, at a depth of 985 m, Barkley Canyon is located at the leading edge of the Cascadia subduction zone.
  • Number of...
Read more

NEPTUNE | barkley canyon | wally | benthic | pod | gas hydrates | methane | bacterial mats

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Oct 15, 2012

Wally the Benthic Crawler

Deployed at a cold seep in the Barkley Canyon gas hydrate field, Wally the Benthic Crawler is equipped with sensors that measure temperature, pressure, water currents, salinity, methane, and turbidity. Wally’s webcam provides researchers with a detailed view of the seafloor sediments and local marine life. At a depth of 870 m, Wally is connected to the Barkley hydrates platform by a 70 m long cable and navigates a series of numbered way markers arranged along a seafloor tour route known as “Wally Land.”

...

Read more

wally | crawler | jacobs university | germany | bremen | methane | hydrates | gas hydrates | methane hydrates | sediment microprofiler | barkley

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Oct 2, 2012

New Eyes For Wally

For the past two years, 2 benthic crawlers, Wally I and Wally II have served alternating stints helping scientists at Jacobs University in Bremen, Germany explore and study the uniquely dynamic environment of the gas hydrate outcrops in Barkley Canyon.

Each time we swap out one Wally from the seafloor, the other Wally takes its place on the seafloor. With each replacement we have seen improvements in the replacement crawler's instrumentation and capabilities. The currently deployed Wally I is no exception.

...

Read more

wally | camera | video | hydrates | barkley canyon

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Dec 15, 2016

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Aug 27, 2012

Methane Flux in Barkley Canyon

 

Wally the Crawler sits atop some gas hydrates in Barkley Canyon.

It’s hardly been a case of “all play and no work” for Wally the Crawler. Researchers in Germany and Canada have been making heavy use of Wally and the unique data this deep-sea crawler gathers among the gas hydrates outcrops of Barkley Canyon.

A recent paper published in the journal ...

Read more

methane | wally | jacobs university | germany | barkley canyon | crawler | gas hydrates | methane hydrates | climate change | currents | bacterial mats

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Jun 15, 2012

Wiring the Abyss: Part 1

On June 11, NEPTUNE Canada reached the halfway point for Wiring the Abyss 2012, this summer’s installation and maintenance cruise. Part of the original crew who set sail on May 27 returned to dry land at Bamfield after a very busy two weeks. They were replaced by a new contingent of crew members, who will remain with the ship until cruise end on 26 June. If you have been following on our cruise page, you’ll know that the first two weeks were very busy indeed!

...

Read more

Wiring the Abyss 2012 | VPS | Vertical Profiler System | endeavour | folger passage | barkley canyon | clayoquot slope | wally | ROPOS | IODP | R/V Thomas G. Thompson

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Oct 5, 2011

September 2011 Expedition Complete

Our fall 2011 installation and maintenance expedition sailed September 10 – 30 aboard the R/V Thompson. It was a very active time for 7 Ocean Networks Canada staffers, 4 contractors, 1 Pacific Geosciences Centre technician, 1 volunteer, an 8-man ROPOS crew, 2 marine techs and the 21 crew members of the R/V Thompson. During our 20 days at sea, we completed 13 ROPOS dives at three locations, including a trip into Bamfield for parts.

Our itinerary during the September 2011 cruise.

During our adventures, we deployed 32 new instruments, including those attached to a Regional Circulation Mooring, retrieved-refurbished-...

Read more

R/V Thomas G. Thompson | expedition | endeavour | barkley canyon | installation | cascadia basin | ROPOS | wally | regional circulation mooring | tempo-mini | BPR

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Sep 21, 2011

Free Wally Keeps on Ticking

Wally the Crawler underwent the ultimate stress test on Sunday. After entering the water tethered beneath the Remotely Operated Vehicle ROPOS, strong waves apparently sprung Wally loose. He took an 870 m free dive from the sea surface to the seafloor at Barkley Hydrates.

Wally dangling over the water

Wally the Crawler dangles below ROPOS just prior to entering the ocean at Barkley Hydrates, 18 September 2011.

Shortly after entering the water, we checked for Wally in the downward-looking camera, and he was gone. As the dive logger described it, “The hook came off, Wally is by himself.” Onlookers both on ship...

Read more

wally | crawler | hydrates | gas hydrates | methane hydrates | Barkley Hydrates | deep-sea crawler | ROPOS | bremen | jacobs university

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