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bubbles

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.

...
Read more

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

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Oct 24, 2019

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Feb 26, 2019

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Nov 2, 2018

New study quantifies natural flux of methane gas in the northeast Pacific
Sep 11, 2018

Ocean Networks Canada 2018 visiting scientist program: Heidrun Kopp of GEOMAR/University of Kiel (Germany)
Jul 4, 2018

Ocean Networks Canada 2018 visiting scientist program: Q&A with Christian Stranne of University of Stockholm
May 8, 2018

Ocean Networks Canada 2018 visiting scientist program: Q&A with Warwick Vincent of Université Laval
May 8, 2018

May 28, 2013

Gas Plume Detected

Ocean Networks Canada’s first summer expedition aboard the CCGS John P. Tully returned to port with confirmation of a major discovery: an impressive plume of gas rising from the seafloor off Vancouver Island in a region monitored by the NEPTUNE observatory that has been discharging since at least 2010.

Multibeam sonar profile of the methane plume.

During the final leg of the month-long expedition in the Northeast Pacific Ocean, the vessel conducted sonar...

Read more

methane | gas hydrates | hydrates | bubbles | sonar | ccgs | expedition | greenhouse gases

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Apr 8, 2020

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Sep 6, 2019

Watch Live: Wiring the Abyss Leg 1, 7 – 21 May 2019
May 8, 2019

Methane-snacking crabs suggest hedge against climate change
Feb 26, 2019

New study quantifies natural flux of methane gas in the northeast Pacific
Sep 11, 2018

Collaborating to understand the central coast of British Columbia
Apr 11, 2018

Central Coast of British Columbia Expedition
Mar 5, 2018

Nov 7, 2011

Bubbles Rising From the Delta Sediments

Bubbles Rising from the Delta Sediments.

Dynamic sediments and sediments with active biogeochemistry often generate a variety of chemical compounds, some of which will be gaseous. This inverted echo-sounder image from 30 October 2011 at the Delta Dynamics Laboratory in the Strait of Georgia at 108m water depth near the mouth of the Fraser River has captured numerous clouds of rising bubbles. Such bubbles have several...

Read more

bubbles | ddl | Sediments | echosounder | Fraser River Delta | strait of georgia | biogenic gas | tidal influences

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Apr 24, 2017

A Tenth Anniversary Inshore Maintenance Cruise
Jun 1, 2016

Observing Seasonal Marine Changes with BC Ferries
Apr 29, 2016

Ocean Networks Canada teams up with BC Ferries to monitor Canada’s busiest waterway
Jul 30, 2015

Newer, greater capacity for the Delta Dynamics Lab
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