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clayoquot slope

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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Jul 3, 2014

Secret Lives of Submarine Gas Flares

We know that methane gas bubbles from the seafloor near our Clayoquot Slope study site (depth: 1250 m). But what is the variability of this venting, does it change over time, and what causes flares of methane bubbles to start, stop or shift locations? Where is the bubbling most continuous and where is it most unpredictable? These are questions visiting scientist Dr. Miriam Römer has been trying to answer. Römer, a research scientist with the MARUM Centre for Marine Environmental Sciences at the University of Bremen, spent the past 3 months working with Ocean Networks Canada staff scientists analyzing a large and disparate collection of data from Clayoquot Slope.

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clayoquot slope | gas hydrates | gas flares | methane | hydrates | germany | Collaboration | visiting scientist | bubbles | gas plume

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Nov 2, 2018

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Sep 11, 2018

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Jul 4, 2018

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May 8, 2018

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May 8, 2018

Jun 26, 2013

Thompson Expedition Summary: June 2013

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We are back in the office after nearly 3 weeks at sea aboard the University of Washington’s R/V Thompson. The team followed the Operations Plan that was set out over the last 6 months and achieved most of the planned goals. The weather co-operated perfectly for dive operations, resulting in no weather downtime. The remotely operated vehicle (ROV) crew ensured that there was as little vehicle downtime as possible and was quick to resolve any problems subsea and on deck.

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thompson | expedition | operations | rov | oceaneering | millennium | dives | summary | endeavour | mothra | cables | installation | endeavour north | clayoquot slope | cascadia basin | main endeavour field

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!

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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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Jul 20, 2018

Feb 14, 2012

Tilting at Boreholes

The W.M. Keck Foundation has awarded $1 Million to Woods Hole Oceanographic Institution (WHOI) for a new geodesy observatory to be connected to Ocean Networks Canada and the Ocean Observatories Initiative Regional Scale Nodes (OOI RSN). This interdisciplinary project, led by Dr.Jeff McGuire and John Collins of WHOI, will allow scientists to monitor three Cascadia subduction zone segments off the coasts of Vancouver Island, Washington and Oregon. Along this subduction zone, the Juan de Fuca plate...

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Woods Hole Oceanographic Institution | WHOI | Cascadia subduction zone | clayoquot slope | earthquake | ACORK | cork | tsunami | borehole

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Nov 4, 2020

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Dec 9, 2011

Hydrate Growth at Bullseye Vent?

Close-up views of exposed gas hydrates in Barkley Canyon.

Gas hydrates are ice-like solids composed of natural gas, usually methane in marine environments, and water. Hydrates are known to exist in the Cascadia margin, west of Vancouver Island, beneath the seafloor. Sediment stiffness is increased by frozen hydrates, like ice in winter mud. The degree of stiffness is an indicator of the amount of hydrate present per unit volume. Gas hydrate...

Read more

clayoquot slope | barkley canyon | gas hydrates | cascadia | seafloor compliance | Bullseye Vent | seismometer | differential pressure gauge

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Jul 18, 2017

Canadian scientist awarded for exceptional contribution to Earth science!
Aug 23, 2016

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Jul 27, 2016

Jul 29, 2011

July 2011 Expedition Comes to an End!

From July 4 - 25, 2011, Ocean Networks Canada navigated an impressive installation and maintenance expedition in the northeast Pacific Ocean. Diving down to the seafloor to investigate our 800-km cabled network observatory along the northern Juan de Fuca plate, we tended to our technically-advanced instruments and witnessed some of the amazing marine life dwelling off the coast of Vancouver Island, British Columbia.

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R/V Thomas G. Thompson | expedition | maintenance | installation | barkley canyon | endeavour | clayoquot slope | cascadia basin | fogler passage | ROPOS | Piezometer | BPR | adcp | CTD | cork | BARS | COVIS | VPS

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Jun 7, 2010

May 2010 Cruise Recap

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Our Spring 2010 installation & maintenance cruise sailed May 8-24 aboard the CCGS John P Tully. It was a very busy time for 4 Ocean Networks Canada staffers, 2 contractors, 1 student and 1 Canadian Navy officer who joined 8 ROPOS crew members and the 21-member CCGS Tully roster. In the space of 16 days we completed 21 ROPOS dives at 5 locations, including one dive to the Fraser Delta site in the Strait of Georgia.

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expedition | CCGS John P. Tully | installation | cork | cascadia basin | clayoquot slope | folger passage | Octopus | barkley canyon | ROPOS

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Aug 31, 2009

Ocean Drilling Program 1027 Installation at Cascadia Basin

On 29 August 2009 we began a series of intensive dives to install instruments at our Ocean Drilling Program (ODP) 1027 (Cascadia Basin) location. This site, in the centre of the Juan de Fuca Plate, is critically important for several NEPTUNE Canada research projects, including Ocean Crustal Hydrogeology , Seismograph Network  and West Coast "Tsunami-meter" .

Ocean Crustal Hydrogeology

Ten boreholes were drilled across the Juan de Fuca Plate between 1991 and 2003 by the Ocean and Integrated Ocean Drilling Programs (ODP/IODP) expressly for the installation of "CORK" (Circulation Obviation Retrofit Kit) hydrologic observatories. These CORKs allow geoscientists to...

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ODP 889 | ODP 1027 | cascadia basin | clayoquot slope | borehole | endeavour | barkley canyon | cork | Seafloor | benthic | Fauna

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