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UrduStatisticians have calculated the probability of ships of different Polar Ship Categories becoming beset in ice along the Northern Sea Route. Their data will help assess the risks of maritime traffic in the Arctic.
Tag: OCEANOGRAPHY
Twice as much carbon flowing from land to ocean than previously thought
Every year 600-900 million tons of carbon flow through rivers to the ocean either as particles or in dissolved form. Researchers have known for a long time that this does not represent the total amount of carbon that gets transported…
What is the probability of ships becoming beset in ice in Arctic waters?
Statisticians have calculated the probability of ships of different Polar Ship Categories becoming beset in ice along the Northern Sea Route. Their data will help assess the risks of maritime traffic in the Arctic. The results of the new study,…
‘By-the-wind sailor’ jellies wash ashore in massive numbers after warmer winters
As their name suggests, by-the-wind sailor jellyfish know how to catch a breeze. Using a stiff, translucent sail propped an inch above the surface of the ocean, these teacup-sized organisms skim along the water dangling a fringe of delicate purple…
Polarstern expedition investigates massive calved iceberg
Experts explore for the first time life on the seafloor in a region formerly covered by thick ice
Protecting the ocean delivers a comprehensive solution for climate, fishing and biodiversity
Groundbreaking global study is the first to map ocean areas that, if strongly protected, would help solve climate, food and biodiversity crises
The Blue Economy is more than resources: It has to focus on social equity and governance
The future of an equitable and sustainable global ocean, or “Blue Economy,” depends on more than the resources available for technological advancement and industry expansion. A recent UBC-led study found that socioeconomic and governance conditions such as national stability, corruption…
Study shows how varying climate conditions impact vulnerable species
Studying the effect of varying climate conditions in the Yamal region helps scientists understand the impact of climate change on vulnerable animals such as arctic foxes.
Study predicts the oceans will start emitting ozone-depleting CFCs
As atmospheric concentrations of CFC-11 drop, the global ocean should become a source of the chemical by the middle of next century.
Sea-level rise drives wastewater leakage to coastal waters
When people think of sea level rise, they usually think of coastal erosion. However, recent computer modeling studies indicate that coastal wastewater infrastructure, which includes sewer lines and cesspools, is likely to flood with groundwater as sea-level rises.
Sea-level rise drives wastewater leakage to coastal waters
When people think of sea level rise, they usually think of coastal erosion. However, recent computer modeling studies indicate that coastal wastewater infrastructure, which includes sewer lines and cesspools, is likely to flood with groundwater as sea-level rises. A new…
Zealandia Switch may be the missing link in understanding ice age climates
Orono, Maine — The origins of ice age climate changes may lie in the Southern Hemisphere, where interactions among the westerly wind system, the Southern Ocean and the tropical Pacific can trigger rapid, global changes in atmospheric temperature, according to…
Oil in the ocean photooxides within hours to days, new study finds
Study provides new details on the fate of spilled oil in the marine environment, effectiveness of chemical dispersants
Data delivery system: The CMCC platform for obtaining and sharing climate data
Temperature, precipitation, ocean salinity, evapotranspiration, indicators: climate data relates not only to observations that represent our climate system in a specific location and time, but also to numerical models that simulate the climate of the past and the future. Data…
‘Lost’ ocean nanoplastic might be getting trapped on coasts
As plastic debris weathers in aquatic environments, it can shed tiny nanoplastics. Although scientists have a good understanding of how these particles form, they still don’t have a good grasp of where all the fragments end up. Now, researchers reporting…
Rise of marine predators reshaped ocean life as dramatically as sudden mass extinctions
GAINESVILLE, Fla. — Evolutionary arms races between marine animals overhauled ocean ecosystems on scales similar to the mass extinctions triggered by global disasters, a new study shows. Scientists at Umeå University in Sweden and the Florida Museum of Natural History…
Understanding the resilience of barrier islands and coastal dunes after storms
The work of Texas A&M researchers is helping engineers better assess the vulnerability of coastal landscapes.
Sea level rise up to four times global average for coastal communities
Coastal populations are experiencing relative sea-level rise up to four times faster than the global average – according to new research from the University of East Anglia. A new study published today in Nature Climate Change is the first to…
Antarctic seals reveal worrying threats to disappearing glaciers
More Antarctic meltwater is surfacing than was previously known, modifying the climate, preventing sea ice from forming and boosting marine productivity- according to new research from the University of East Anglia (UEA). For the first time, researchers have been able…
High-resolution ocean model provides insight into sea turtles’ lost years
Model shows where hatchlings likely travel in the open ocean
UNESCO reveals largest carbon stores found in Australian World Heritage Sites
Australia’s marine World Heritage Sites are among the world’s largest stores of carbon dioxide according to a new report from the United Nations, co-authored by an ECU marine science expert.
How does plastic debris make its way into ocean garbage patches?
Model predicts probability of plastic debris being transported from one ocean surface region to another
Model for wildlife tourism
New method helps to ensure sustainable industries
What’s happening to the most remote coral reefs on Earth?
Scientists from the Khaled bin Sultan Living Oceans Foundation have published their findings on the state of coral reefs in the Chagos Archipelago, considered the last frontier for coral reefs
When using pyrite to understand Earth’s ocean and atmosphere: Think local, not global
The ocean floor is vast and varied, making up more than 70% of the Earth’s surface. Scientists have long used information from sediments at the bottom of the ocean — layers of rock and microbial muck — to reconstruct the…
URI researchers: Microbes deep beneath seafloor survive on byproducts of radioactive process
Results have implications for life on Mars
Oahu marine protected areas offer limited protection of coral reef herbivorous fishes
Marine protected areas (MPAs) around O?ahu do not adequately protect populations of herbivorous reef fishes that eat algae on coral reefs. That is the primary conclusion of a study published in Coral Reefs by researchers from the University of Hawai?i…
Gulf Stream System at its weakest in over a millennium
Never before in over 1000 years the Atlantic Meridional Overturning Circulation (AMOC), also known as Gulf Stream System, has been as weak as in the last decades. This is the result of a new study by scientists from Ireland, Britain…
New model describes wave behavior in straits, predicts killer waves
A Skoltech researcher has developed a theoretical model of wave formation in straits and channels that accounts for nonlinear effects in the presence of a coastline. This research can improve wave prediction, making maritime travel safer and protecting coastline infrastructure.…
Sea turtle: Sentinels and victims of plastic pollution in the Adriatic Sea
Sea turtles are witnesses and victims of the high level of plastic pollution of the Adriatic Sea. A group of researchers at the University of Bologna analysed 45 turtles hospitalised at Fondazione Cetacea in Riccione and found plastic debris in…
Record-high Arctic freshwater will flow through Canadian waters, affecting marine environment and Atlantic ocean currents
An unprecedented bulge of fresh water in the Arctic Ocean will travel through the Canadian Archipelago to the Labrador Sea, affecting local marine environments and global ocean circulation.
Tool that more efficiently analyzes ocean color data will become part of NASA program
Stevens uses machine learning-driven techniques to develop a long-awaited tool that better reveals the health of Earth’s oceans and the impacts of climate change
Record-high Arctic freshwater will flow to Labrador Sea, affecting local and global oceans
Freshwater is accumulating in the Arctic Ocean. The Beaufort Sea, which is the largest Arctic Ocean freshwater reservoir, has increased its freshwater content by 40% over the past two decades. How and where this water will flow into the Atlantic…
Whale Sharks show remarkable capacity to recover from injuries
A new study has for the first time explored the rate at which the world’s largest fish, the endangered whale shark, can recover from its injuries. The findings reveal that lacerations and abrasions, increasingly caused through collisions with boats, can…
‘Missing ice problem’ finally solved
During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. To date, however, computer models have been unable to reconcile sea-level height with the thickness of the glaciers. Using innovative new…
‘Problem of missing ice’ finally solved by movement of the earth’s crust
A new global ice sheet reconstruction for the past 80,000 years
Glaciers accelerate in the Getz region of West Antarctica
Glaciers in West Antarctica are moving more quickly from land into the ocean, contributing to rising global sea levels. A 25-year record of satellite observations has been used to show widespread increases in ice speed across the Getz sector for…
Protective ship coatings as an underestimated source of microplastic pollution
Microparticles in the south-eastern North Sea derived mainly from paints and coatings
Future ocean warming boosts tropical rainfall extremes
Ocean warming predicted to cause a twofold increase in amplitude of rainfall fluctuations over the tropical Pacific
Steady now: Unfortunate timing and rate of change may be enough to tip a climate system
Unpredictable, abrupt changes to Earth’s system of ocean currents could commence from rate-induced tipping, model study shows; ‘The findings point to fundamental limitations in climate predictability,’ authors warn
Study reveals energy sources supporting coral reef predators
Study reveals open ocean waters once assumed to be unproductive are in fact teeming with an abundance of life on coral reefs
Sweet marine particles resist hungry bacteria
All algae sugars are entirely degraded by bacteria; well, not all; one sugar holds out against the invaders and could act as an important carbon sink
Deep seabed mining must benefit all humankind
Policy brief ‘A comprehensive approach to the payment mechanism for deep seabed mining’
A natural protection racket among damselfish and mysid shrimp
New UD study finds first example of underwater domesticator-domesticate relationship
Tracking Arctic climate change from a Greenhouse to an Icehouse world
ArcOP — a novel scientific ocean drilling expedition to explore Arctic Ocean paleoceanography and climate
Fishes contribute roughly 1.65 billion tons of carbon in feces and other matter annually
Study estimates fishes contribute about 16 percent of the sinking carbon in upper ocean waters
How sessile seahorses managed to speciate and disperse across the world’s oceans
Research collaboration between the University of Konstanz and teams in China used the largest data set of seahorse genomes so far to examine the role currents played in their evolution and dispersal
USC biologists devise new way to assess carbon in the ocean
A new USC study puts ocean microbes in a new light with important implications for global warming. The study, published Tuesday in the Proceedings of the National Academy of Sciences , provides a universal accounting method to measure how carbon-based…
Observations at a shed light on how hard coral survives without light
In shallow water, less than 30 metres, the survival of hard corals depends on photosynthetic unicellular algae (zooxanthellae) living in their tissues. But how does the coral adapt at depth when the light disappears? French researchers from the CNRS, EPHE-PSL…
How icebergs really melt — and what this could mean for climate change
Current models wrongly assume icebergs melt uniformly in warming oceans