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OCEANS

The world’s oceans are absorbing about 90 per cent of the heat being added to the globe by climate change and up to a third of the carbon dioxide we’re producing, with potentially catastrophic consequences
A team of scientists has discovered huge reserves of freshwater beneath the world’s oceans
Scientists from the US Geological Survey (USGS) have identified the oldest large body of seawater, more than a kilometre under Chesapeake Bay in the USA
The world’s oceans could see a 170 per cent increase in acidification by the end of the century, according to a research summary led by the International Geosphere-Biosphere Programme (IGBP)
A new study published in Nature Geoscience suggests that the seafloor off the coast of northern Siberia is releasing more than twice as much methane as previously estimated
The fact that more tropical rain falls on the Northern Hemisphere than in the south has been linked to ocean currents, overturning the previous theory that it was caused by the shape of the ocean basins
Coastal erosion in Eastern Siberia is accelerating rapidly as increasing Arctic temperatures reduce sea-ice extent, allowing waves to wash away the permafrost
Ocean warming has led to the decline of a species of North Atlantic zooplankton that’s a vital food source for fish such as cod and hake, according to a new study
A new study published in Science suggests that the middle depths of the Pacific Ocean have warmed 15 times faster in the past 60 years than they did during apparent natural warming cycles in the previous 10,000
Scientists have used a new method for determining biodiversity to reveal a series of new biodiversity hotspots for fish
The decline of shark populations through overfishing can have a detrimental effect on coral reefs, according to a new study published in PLoS One
A new study has found that the Arctic Ocean is acidifying more rapidly and more widely than projected

Ocean mixing explained

A team of researchers has solved the mystery of how deep and mid-depth ocean waters are mixed, providing a vital insight for climate modellers
Manta rays have the potential to generate substantial long-term income for many coastal communities around the world. But overfishing in recent years has seen their numbers plummet

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