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Ocean News

Aggressive Killer Whales Batter Sailboats off Spain and Portugal, Maritime Authorities Warn

Sailors say a pod of nine orcas rammed their boat and bit their keel for more than an hour in late July in the Strait of Gibraltar off the coast of Spain. (Submitted by Victoria Morris )

Orcas behavior of battering sailboats off Spain and Portugal baffles expertsThere are many mysteries in the maritime environment.  For Sailors along Spain and Portugal’s Atlantic coastline, there has been a recent series of puzzling incidents involving apparently aggressive orcas.While orcas are not known to attack humans,

Powering the World's First Fleet of Robot Ships

(Image: Ocean Infinity)

The maritime and scientific community have set themselves the ambitious target to map the entire ocean floor by 2030. Volvo Penta and Danfoss Editron will play a role by powering a novel fleet of unmanned surface robots for subsea exploration.The companies have been commissioned for the unique venture by Grovfjord Mek.

Mitigating Underwater Noise

“Environmental’ limits are available which are aimed at reducing underwater noise emissions without imposing onerous design limitations and the need to put damping on every panel, stiffener & dinner plate.” Jesse Spence, President, NCE

Noise Control Engineering, LLC (NCE) recently completed an underwater radiated noise study for Washington State Ferries (WSF), a study which entailed measurement of nine vessels representing all seven operating classes of WSF vessels, quantifying noise, potential impacts to orcas and other marine life, and methods of reducing noise.

AI- and Solar-powered Autonomous Ship Mayflower Launched

The Mayflower Autonomous Ship is scheduled to cross the Atlantic Ocean in 2021. (Photo: IBM)

A new Mayflower has been launched in Plymouth, 400 years after its historic namesake set sail from southwest England to America.The new vessel won't be carrying pilgrim settlers across the Atlantic. In fact, it won't hold any crew or passengers at all. The sleek AI- and solar-powered trimaran is autonomy level five,

Rare Dolphins Return to Hong Kong as Coronavirus Halts Ferry Traffic

© katiekk2 / Adobe Stock

The number of Indo-Pacific humpback dolphins seen around Hong Kong has jumped as the pause in high-speed ferry traffic due to the coronavirus allows the threatened species to make something of a comeback, scientists said.Marine scientist Lindsay Porter of the University of St. Andrews said the mammals

Partnering on the Digital Ship: Inside Denmark’s ShippingLab

Applying ‘deep learning’ methods for the detection, classification and tracking of ships and buoys during navigation. Photo: DTU

When will the first fully digitized, autonomous and environmentally friendly ship be ready to sail? The answer is uncertain but the Danish Maritime Authority’s ShippingLab project aims to have most of the technical and managerial challenges solved in as little as two years from now. Tom Mulligan reports.

Winter Sea Ice in Bering Sea Reached Lowest Levels in Millennia

© Andrei Stepanov / Adobe Stock

The Bering Sea ice cover during the winters of 2018 and 2019 hit new lows not seen in thousands of years, scientists reported on Wednesday, adding to concerns about the accelerating impact of climate change in the Arctic.Satellite data provides a clear picture of how sea ice has changed over the last

NOAA Sets Up Vessel Ops Support in Rhode Island

NOAA Ship Henry B. Bigelow alongside in Newport, R.I. (Photo: NOAA)

NOAA has awarded a lease to Massa Industries, LLC for office space in Middletown, R.I., that will temporarily house a new marine operations support facility for Rhode Island-based NOAA ships Henry B. Bigelow and Okeanos Explorer.The Middletown facility will also support NOAA personnel engaged in the

Scientists Discover First Methane Seep in Antarctic Sea Floor

The white microbial mats seen here are telltale signs of areas where methane may be released from underground methane deposits. Photo courtesy Andrew Thurber Oregon State University.

Scientists have discovered an active methane seep from Antarctica's sea bed that could shed light on the potent greenhouse gas trapped beneath the frozen continent.Marine ecologist Andrew Thurber first glimpsed what a colleague described as a "microbial waterfall" during a dive in the icy waters of the Ross Sea in 2012.

New Depth Map Over the Arctic Ocean

© Uryadnikov Sergey / Adobe Stock

Details of a new depth map of the Arctic Ocean have been published in the nature journal Scientific Data. The new portrayal of the Arctic Ocean floor is in the form of a digital gridded database and comprises Version 4.0 of the International Bathymetric Chart of the Arctic Ocean (IBCAO).The gridded

China's Polar Icebreaker Embarks on First Arctic Mission

(File photo: Polar Research Institute of China)

China's first domestically built polar icebreaker Xue Long 2 has set sail on its first mission to the Arctic, China's state-run Xinhua News Agency reports.Xuez Long 2 (Snow Dragon 2) departed Shanghai Wednesday with a team of Chinese scientists on board to conduct investigations in areas including the Chukchi Rise,

ABB Power System for World’s Largest Diamond Recovery Vessel


World's largest diamond recovery vessel. Image credit Marin Teknikk AS

The world's largest, and first custom-built, diamond recovery vessel, to be owned by Debmarine Namibia, will feature an advanced power system by the Swiss company ABB.The vessel is being built by Damen at Damen Shipyards Mangalia on the Black Sea in Romania. The newbuild will be delivered to Debmarine Namibia,

OVI: 103 Tons of Garbage Removed From North Pacific Gyre

Fishing nets and debris being removed from the North Pacific Gyre by the crew of S/V KWAI. © Ocean Voyages Institute

Ocean Voyages Institute’s marine plastic recovery vessel, S/V KWAI, docked at the port of Honolulu at the end of June after a 48-day expedition successfully removing 103 tons (206,000 lbs.) of fishing nets and consumer plastics from the North Pacific Subtropical Convergence Zone (more commonly

SOI: Amidst Pandemic, Seafloor Mapping Zooms Ahead

A striking image of Hollardia goslinei. This is a species of deep-water spike fish native to Hawaii. ROV footage of this species occurring in Australia puts it very far away from its known 'home' range. © Schmidt Ocean Institute

Scientists working remotely with Schmidt Ocean Institute (SOI) have completed a first look at deep waters in the Coral Sea, despite the continuing COVID-19 pandemic. As one of the only at-sea science expeditions to continue operations, the team has discovered the deepest living hard corals in Eastern Australian waters,

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