Oceanographic systems vary over years, decades and centuries.
Articles on Ocean currents
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A sea voyage and a satellite mission will combine to produce a more detailed picture of the ocean’s currents than ever before.
Expect more extremes and a range of ‘surprises’ to exacerbate the climate emergency.
Rip currents are a leading cause of near-shore drownings, but there are effective ways to survive one. And these phenomena also play important ecological roles that are an emerging research area.
Scientists have detected a 30% slowdown of the deep ocean currents that form in Antarctica, with profound consequences for Earth’s climate, sea level and marine life.
Working with underwater robots, scientists show how deep sea mountains and fast currents between Antarctica and South America play a crucial role in stabilizing the climate.
In a plot reminiscent of the 2004 movie The Day After Tomorrow?, Australian scientists are warning that the Southern Ocean’s deep “overturning” circulation is slowing and headed for collapse.
Remote islands in the Indian Ocean are now strewn with plastic waste – the origin of this waste has until now not been established.
Our oceans have absorbed almost all the extra heat we’ve trapped with our emissions. Now we know how this heat moves in ocean currents.
The direction a beach faces, relative to wind direction, largely determines how many bluebottles are pushed to shore.
Studying these deposits gives scientists information about how past environments change. That, in turn, gives us informed estimates on how climates and environments will change in the near future.
Ida exploded from a weak hurricane to a powerful Category 4 storm in less than 24 hours, thanks to heat from an ocean eddy. An oceanographer explains its rapid intensification.
New research suggests that an effective way to locate and track large concentrations of microplastics in the ocean could be from high in the sky.
Thousands of shipping containers are lost at sea each year, dispersing Lego, inkjet cartridges and rubber ducks across the world’s beaches.
Our team discovered clear changes in the distribution and strength of ocean eddies. These changes have never been detected before.
The grisly discovery of a disembodied foot on a NSW beach was a tragic twist in the mystery of missing woman Melissa Caddick. Such tragedies can also reveal hidden currents connecting the planet.
How Pacific winds interact with the sea to bring colder waters up from the depths.
But these ‘cold-water coral’ are threatened by accelerating sea currents.
The Atlantic Ocean is still growing physically, but humans are over-harvesting its rich fisheries. The most famous one – North Atlantic cod – has become a textbook example of harmful overfishing.
Here’s how microplastics from your clothes end up in the deep sea.
Top contributors
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Director of the ARC Centre of Excellence for Our Future Oceans and Scientia Professor in Oceanography, UNSW
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Professor in Oceanography and Public Engagement, Utrecht University
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Professor of Coastal Oceanography, The University of Western Australia
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Professor in Oceanography, UNSW
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Senior Lecturer in Climate and Fluid Physics, Australian National University
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Associate Professor, UNSW
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Professor and Director of ACCESS-NRI, Australian National University
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Principal Research Scientist, CSIRO
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Senior lecturer, UNSW
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CSIRO Fellow, CSIRO
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Senior Lecturer, North-West University
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Research Associate, University of Oxford
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Associate Professor in Earth Sciences, University of Oxford
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Postdoctoral research associate
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Professor, National Oceanography Centre, University of Southampton