Dalhousie University
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- Dalhousie University: Quiet Oceans Speak Volumes During Lockdown Marine Technology, May 2020 #48
Research at Dalhousie University shows that a quieter ocean—courtesy of the current COVID-19 pandemic lockdown—can benefit marine life, particularly those listed on the endangered species list, like killer whales.
David Barclay, an assistant professor in the Department of Oceanography, and researchers in his lab took advantage of the current lockdown to explore how the underwater soundscape has changed during the pandemic. Oceans Network Canada, a University of Victoria initiative that operates ocean observatories in the northeast Pacific Ocean and the Salish Sea, provided hydrophones that allowed Barclay and his team to analyse the noise environment of British Columbia’s coastal waters.
The paper, recently accepted for publication in the Journal of the Acoustical Society of America, reported measurable reductions in low-frequency sounds near major shipping routes between Canada and the U.S. Between January and April of this year, a hydrophone west of Vancouver Island recorded a 16% (1.5 decibels) decrease in noise power compared to the same time last year. And, in the usually busy Strait of Georgia, Barclay noticed that not only is the ocean getting quieter, but at a faster rate, too.
The full effects of a quieter ocean are unknown, but they may lead to healthier marine mammal populations. “Free from the distraction and stress we cause, hunting would become easier, mating more convenient, and wayfinding more obvious. Sound is for some whales and marine mammals what sight is for humans,” Dr. Barclay emphasizes.
PhD student and Royal Canadian Air Force Major Dugald Thomson points out that observing the ocean soundscape during “this unique time may provide opportunities to better understand the impact human activity is having on the ocean.” By analyzing this data over the entirety of the pandemic, Barclay adds, scientists can begin to understand “what exactly happens when we turn down the noise in the marine environment.”
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- Environmental DNA Emerging in the Ocean Science Community Marine Technology, Feb 2020 #20
into operational ocean observing? Two research labs, The Monterey Bay Aquarium Research Institute (MBARI) in California and the Sieben Lab at Dalhousie University in Nova Scotia. among others, have been working to address the question.A field-deployed microfluidic sensor (credit: Dartmouth Ocean Technologies
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- MRT100: Rockland Scientific Inc. Marine Technology, Aug 2015 #46
managed by U.K. and Canada not-for-profit research groups and government funded business and innovation accelerators. In partnership with Dalhousie University, Black Rock Tidal, FloWave TT, European Marine Energy Centre, and Ocean Array Systems, Rockland Scientific will develop a new sensor system
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- An Emerging Global Maritime Hub Halifax, Nova Scotia Maritime Reporter, Feb 2013 #22
stage. “I think that is exactly what this development is all about and one of the reasons that we set up the Halifax Marine Research Institute (at Dalhousie University) to say we have all these marine-based industries in Nova Scotia,” Premier Dexter said in an interview. “We have more than 450 PhDs in Halifax
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- Dominion Diving Marine Technology, Mar 2013 #10
in determining what will work. “We develop some of our own electronics to suit us, and we will work with the ID (Innovation in Design) Lab at Dalhousie University (Halifax). We come up with ideas, they refine them, and we work together to produce them. They (the lab workers) are a very interesting bunch
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- I can see clearly now ... Via Resolution Optics Marine Technology, Mar 2014 #66
in 2009, has developed the submersible microscope that can be used down to a depth of 6,000m. “The company came out of the physics department at Dalhousie University (Halifax) and its two founders, Dr. Manfred Jericho and Dr. Juergen Kreuzer are both world renowned experts in the field of holographic microscopy
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- OceanObs’19: Innovation Expanding Ocean Observations Marine Technology, Aug 2019 #34
remarks in the innovation plenary, which included presentations from Dr. Wendy Watson-Wright of the Ocean Frontier Institute, Dr. Marlon Lewis of Dalhousie University and Dr. Jyotika Virmani of XPRIZE. These last two delivered a strong call for new ways of thinking about ocean observing technology.Through
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- MTR100: When it Comes to Drones, Big is Good. <1m is Better. Marine Technology, Jul 2021 #20
, says Terry Sloane, managing director at parent company Planet Ocean. Customers spread from Africa to Japan include Plymouth Marine Laboratory and Dalhousie University.The company was set up in 2015 and has had Innovate UK and Defence Science and Technology Laboratory (UK MOD) funding and has collaborated with
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- Atlantic Canada: Where the World’s Subsea Technology Grows Marine Technology, Jan 2017 #28
passion is innovation and its impact on the competitiveness of Canadian industry. Jim is a proud alumnus of the Nova Scotia Technical College (now Dalhousie University Faculty of Engineering) with a degree in electrical engineering. He also has an MBA in marketing from Saint Mary’s University in Halifax and
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March 2024 - Marine Technology Reporter page: 39Photo courtesy Global Ocean Design Figure 7 A 35Ah AGM lead-acid battery is tested using the West Mountain Radio CBA to show the effect of simply ? lling the battery voids with mineral oil as a compensating ? uid. The CBA is programmed to cut-off at a voltage of 10.50v. The top line (red) shows the
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March 2024 - Marine Technology Reporter page: 32FEATURE SEABED MINING by a sea? oor plume from its pilot collection system test. pact, nodule collection system that utilizes mechanical and The Metals Company recently signed a binding MoU with hydraulic technology. Paci? c Metals Corporation of Japan for a feasibility study on The company’s SMD
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March 2024 - Marine Technology Reporter page: 23elatively inactive since 2014, the Hunga Tonga–Hunga Ha‘apai (HT-HH) submarine volcano began erupting on December 20, 2021, reaching peak intensity on January 15, 2022. This triggered tsunamis throughout the Pa- R ci? c, destroyed lives and infrastructure, and generated the largest explosion recorded
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March 2024 - Marine Technology Reporter page: 15sensor options for longer mission periods. About the Author For glider users working in ? sheries and conservation, Shea Quinn is the Product Line Manager the Sentinel can run several high-energy passive and active of the Slocum Glider at Teledyne Webb acoustic sensors, on-board processing, and imaging
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March 2024 - Marine Technology Reporter page: 6studies. She has study abroad experience in France and Ecuador. Currently, she is pursuing her master of environmental studies degree at Dalhousie University. Laursen Wendy Laursen has 20+ years of experience as a journalist. In that time, she has written news and features for a range of maritime
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February 2024 - Maritime Reporter and Engineering News page: 22R&D MATT HART Matt Hart, Manager & Platform Leader, Marine & Stationary Power Systems, Wabtec, offers insights on how the megatrends of decarbonization, energy transition and autonomy all inspire Image courtesy Wabtec and impact the marine power solutions from Wabtec. By Greg Trauthwein Matt, to start
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January 2024 - Marine Technology Reporter page: 52TECH FEATURE BATTERY SAFETY Images courtesy Engineered Fluids Inc. This experiment has since been replicated with other batteries and cell con? gurations, and demonstrates the inherent ? re safety of SLIC Technology. jacent cells were not affected, and continued to operate nor- Failures) of electronic
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January 2024 - Marine Technology Reporter page: 49“As a WHOI scientist myself 20 years ago, I was ‘customer number one’ and applied early versions of the NBOSI sensor technology to my ? eets of Webb Research, now Teledyne Slocum, gliders, L3Harris (OceanServer) Iver2 vehicles, and Liquid Robotics Wave Gliders.” Dave Frantantoni, CEO calibration.
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January 2024 - Marine Technology Reporter page: 18TECH FEATURE WAVE POWER All images courtesy Mocean Energy MOCEAN ENERGY AIMS TO CREATE AN OFFSHORE RENEWABLE MICROGRID Garnering power from ocean waves is a generation behind the progress of offshore wind, but Mocean Energy, led by founder and managing director Cameron McNatt, is aiming to help offshore
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January 2024 - Marine Technology Reporter page: 6studies. She has study abroad experience in France and Ecuador. Currently, she is pursuing her master of environmental studies degree at Dalhousie University. Lundquist Konowe Strachan Edward Lundquist is a retired naval of? cer who writes on naval, maritime, defense and security issues. Moniz Rhonda
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January 2024 - Maritime Reporter and Engineering News page: 24MEET THE CTO s maritime navigates a ment track record and business sense to tasked with future proo? ng a ? eet had future premised on meeting deliver. “So three weeks later, I started never, in fact, sailed onboard a com- and beating decarboniza- here in Antwerp.” mercial ship. Ation targets
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November 2023 - Marine Technology Reporter page: 43Jonas Wüst, now CEO at Tethys Robotics, set out to build an autonomous underwater drone following a student research project at Eidgenössische Technische Hochschule Zürich (ETH Zurich), a public university in Switzerland. Professional divers and the Tethys ROV Underwater drone from Tethys
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November 2023 - Marine Technology Reporter page: 42CASE STUDY ROV DVL TECH Tethys Robotics’ underwater drone in Lake Zurich during a harbor inspection. All image courtesy Nortek Tethys Robotic’s new ROV Leverages Nortek DVL Tech new Remotely Operated Vehicle (ROV) from Swit- pulse along a minimum of three acoustic beams, each pointing zerland’s Tethys
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November 2023 - Marine Technology Reporter page: 40SEAFLOOR MAPPING All images courtesy Curtin University Digital 3D model of WA Shipwreck he underwater remains of a ship built in Fremantle in reconstruction,” Professor Woods said. 1876 and which sunk off the coast several years later can “The new 3D model of the Star allows the wreck site to be now be
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November 2023 - Marine Technology Reporter page: 20EYE ON THE NAVY NATO GAINS EXPERIENCE WITH UNMANNED SYSTEMS All photos courtesy NATO By Edward Lundquist allies and partners have taken Messenger is in its second year. Both are conducted at the Navy advantage of recent demon- Operational Experimentation Centre in Tróia, one of two Por- NATO strations
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November 2023 - Marine Technology Reporter page: 7MTR Editorial Advisors Gallaudet Hardy The Honorable Tim Gallaudet, Kevin Hardy is President PhD, Rear Admiral, U.S. of Global Ocean Design, Navy (ret) is the CEO of creating components and Ocean STL Consulting and subsystems for unmanned host of The American Blue vehicles, following a career
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November 2023 - Marine Technology Reporter page: 6France and Ecuador. Currently, she is Frank pursuing her master of environmental Skucas Washington, D.C., partner Kimberly studies degree at Dalhousie University. Ruta Skucas is a federal energy Frank co-leads the ? rm’s global Power regulatory and wholesale electricity practice group and focuses
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December 2023 - Maritime Reporter and Engineering News page: 31CHALLENGER type. While Shofu Maru has been operating since October gineering of the system, planning for larger scale production. 2022, Makoto Yamaguchi said that “We are collecting and Makoto Yamaguchi could not disclose the total additional analyzing data. The sail is performing as we expected both
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December 2023 - Maritime Reporter and Engineering News page: 28G REAT of HIPS S 2023 NSMV 1: EM mpire State VII is the ? rst in a series of ? ve Na- that there are two separate engine rooms with a pair of diesel tional Security Multi-Mission Vessel (NSMV), generators in each, both feeding dual high voltage switch- built at Philly Shipyard, powered by Wabtec
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November 2023 - Marine News page: 57recent years, Kytölä said. In 2022, the company dedicated €241 million (about $255 million) to R&D expenditure, or 4.1% of its net sales, up from €165 million (about $175 million) and 3.2% in 2018. In particular, the company has been working to maxi- mize the ef? ciency of its portfolio of gas, diesel
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November 2023 - Marine News page: 55Feature Great Vessels of 2023 Derecktor Shipyards MARCELLE MELOSIRA Marcelle Melosira is a research and teaching vessel oper- icance of our great Lake Champlain,” said Jason Stockwell, ated by the Rubenstein School of Environment and Natu- director of the Rubenstein Ecosystem Science Laboratory. ral
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November 2023 - Marine News page: 54Feature Great Vessels of 2023 All American Marine SHACKLEFORD Built to service the growing offshore wind market as allowing accurate and repeatable lever arm calculations to well as accomplish many other scienti? c survey missions, all survey sensors. Coordinate Uncertainty Analysis of the Shackleford
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November 2023 - Marine News page: 33Feature Hybrid Propulsion s the world looks to renewable energy sources tering the vessel, giving CTV owners vying for contracts a to combat climate change and reduce reliance competitive advantage when implementing hybrid solu- on fossil fuels, offshore wind has emerged as a tions that optimize fuel
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November 2023 - Marine News page: 28Feature Power & Propulsion Seabulk Towing Seabulk’s ? rst ever electric-hybrid tugboat, Spartan, was built by Master Boat Builders and delivered in 2022. is based. Kirby’s role goes beyond vessel operating. The ing. Thus, these vessels may be candidates for electri? cation vessel was built in