Category Archives: Oceans

Cruise companies accused of refusing to let stranded crew disembark due to cost

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Death toll of crew stranded by coronavirus continues to rise as industry blames ‘impractical’ safety requirements for blocking disembarkation

Some cruise companies have refused to agree to rules that would allow tens of thousands of stranded crew back to land, citing concerns about cost and potential legal consequences, according to the US Centers for Disease Control and Prevention (CDC). The largest trade association for the cruise industry has called the CDC’s requirements for disembarkation “impractical”.

The standoff comes amid a deteriorating situation on many ships around the world and a rising death toll of crew members.

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Microplastics found in greater quantities than ever before on seabed

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Currents act as conveyor belts that concentrate microplastics in hotspots, study suggests

Scientists have discovered microplastics in greater quantities than ever before on the seabed, and gathered clues as to how ocean currents and deep-sea circulation have carried them there.

Microplastics – tiny pieces of plastic less than 5mm in size – are likely to accumulate most densely on the ocean floor in areas that are also biodiversity hotspots, intensifying the damage they may do to marine ecosystems, according to the research.

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Bondi beach and Bronte welcome back swimmers as coronavirus lockdown relaxed – in pictures

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Waverley council in Sydney’s eastern suburbs has reopened Bondi, Bronte and Tamarama beaches to swimmers and surfers between 7am and 5pm on weekdays. The beaches were closed as Australia’s coronavirus restrictions came into force. They are to remain closed on weekends, and only the water is ‘open’, with sunbathing, walking and jogging on the beach not allowed

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Mediterranean shipwrecks reveal ‘birth of globalisation’ in trade

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Preserved cargoes of vessels linking eastern cultures with western Europe show ‘the barbarian Orient’ was a trendsetter

For almost seven decades archaeologists have searched the eastern Mediterranean in vain for wrecks that sank along antiquity’s mighty shipping lanes.

Now, though, a British-led team can reveal a spectacular discovery – a fleet of Hellenistic, Roman, early Islamic and Ottoman wrecks that were lost some two kilometres below the waves of the Levantine Basin between the 3rd century BC and the 19th century.

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‘Like a spiral UFO’: world’s longest animal discovered in Australian waters

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Along with up to 30 new marine species, scientists have found a 150-ft example of a siphonophore, a string-like deep-sea predator

Scientists exploring the deep sea off Australia’s coast have discovered as many as 30 new marine species – and what may be the longest animal ever seen.

The discoveries were the result of expeditions into Western Australia’s underwater canyons. One of the biggest discoveries was a siphonophore measuring an estimated 150 feet (46 metres). Siphonophores are deep-sea predators made up of many small clones that act together as one and spread out like a single long string in the water. Researchers think this particular siphonophore may be the longest yet found.

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Wildlife destruction ‘not a slippery slope but a series of cliff edges’

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New study finds ocean ecosystems likely to collapse in 2020s and land species in 2040s unless global warming stemmed

Wildlife species will die out and natural ecosystems collapse in the near future if the climate crisis goes unchecked, scientists have warned, as new research shows that the natural world is at far greater risk from climate breakdown than previously thought.

Catastrophe could strike this decade for some species, as key temperature thresholds are crossed. Instead of the anticipated gradual decline of species, there are likely to be a series of sudden collapses.

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Oceans’ capacity to absorb CO2 overestimated, study suggests

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Research into North Atlantic plankton likely to lead to negative revision of global climate calculations

The North Atlantic may be a weaker climate ally than previously believed, according to a study that suggests the ocean’s capacity to absorb carbon dioxide has been overestimated.

A first-ever winter and spring sampling of plankton in the western North Atlantic showed cell sizes were considerably smaller than scientists assumed, which means the carbon they absorb does not sink as deep or as fast, nor does it stay in the depths for as long.

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‘Really amazing’: scientists show that fish migrate through the deep oceans

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Analysis of underwater photographs has demonstrated what marine biologists have long suspected – seasonal fish migrations

New research has finally demonstrated what many marine biologists suspected but had never before seen: fish migrating through the deep sea.

The study, published this month in the Journal of Animal Ecology, used analysis of deep-sea photographs to show a regular increase in the number of fish in particular months, suggesting seasonal migrations.

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Climate crisis may have pushed world’s tropical coral reefs to tipping point of ‘near-annual’ bleaching

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Exclusive: Mass bleaching seen along Great Barrier Reef could mark start of global-scale event, expert warns

Rising ocean temperatures could have pushed the world’s tropical coral reefs over a tipping point where they are hit by bleaching on a “near-annual” basis, according to the head of a US government agency program that monitors the globe’s coral reefs.

Dr Mark Eakin, coordinator of Coral Reef Watch at the National Oceanic and Atmospheric Administration, told Guardian Australia there was a risk that mass bleaching seen along the length of the Great Barrier Reef in 2020 could mark the start of another global-scale bleaching event.

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Poor water infrastructure is greater risk than coronavirus, says UN

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On World Water Day, UN warns that more than half the global population lacking access to safely managed sanitation

Decades of chronic underfunding of water infrastructure is putting many countries at worse risk in the coronavirus crisis, with more than half the global population lacking access to safely managed sanitation, experts said as the UN marked World Water Day on Sunday.

Good hygiene – soap and water – are the first line of defence against coronavirus and a vast range of other diseases, yet three quarters of households in developing countries do not have access to somewhere to wash with soap and water, according to Tim Wainwright, chief executive of the charity WaterAid. A third of healthcare facilities in developing countries also lack access to clean water on site.

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Taxi! Endangered New Zealand seabirds get a lift to safety after crash landing in fog

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Volunteer army led by a local taxi driver scours the streets in the middle of the night to save endangered birds

A taxi driver in New Zealand has swapped drunken revellers for wayward seabirds in an attempt to halt the decline of one of the nation’s endangered species.

Local cabbie Toni Painting leads a volunteer army that scours the streets of the South Island town of Kaikoura in the middle of the night in search of Hutton’s shearwater chicks that crash-land onto the road – mistaking the shiny bitumen for the sea.

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Earth may have been a ‘water world’ 3bn years ago, scientists find

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Chemical signatures in ancient ocean crust point to a planet without continents

Scientists have found evidence that Earth was covered by a global ocean that turned the planet into a “water world” more than 3bn years ago.

Telltale chemical signatures were spotted in an ancient chunk of ocean crust which point to a planet once devoid of continents, the largest landmasses on Earth.

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What four years at sea taught me about our relationship to the ocean

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Oceans are central to the story of civilisation – so why do so many of us feel disconnected from them?

It was on day 11, I think, that I stopped getting out of bed at all. I had already let my hygiene standards slip to the point that a large knot was starting to form in my hair. Later my mother would have to cut it out with scissors. She didn’t mind. We were all in the same boat.

I was nine years old, and nearly two weeks into sailing across the Atlantic with my family. My father had sailed all his life, and introduced my mother to it; and they spent years preparing to sail around the world. Including my little sister, that made four of us aboard a 52ft yacht – our home for four years from 2000, in which time we got from Dorset to New Zealand.

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Giant dams enclosing North Sea could protect millions from rising waters

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Dams between Scotland, Norway, France and England ‘a possible solution’ to problem

A Dutch government scientist has proposed building two mammoth dams to completely enclose the North Sea and protect an estimated 25 million Europeans from the consequences of rising sea levels as a result of global heating.

Sjoerd Groeskamp, an oceanographer at the Royal Netherlands Institute for Sea Research, said a 475km dam between north Scotland and west Norway and another 160km one between west France and south-west England was “a possible solution”.

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Race to exploit the world’s seabed set to wreak havoc on marine life

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New research warns that ‘blue acceleration’ – a global goldrush to claim the ocean floor – is already impacting on the environment.

The scaly-foot snail is one of Earth’s strangest creatures. It lives more than 2,300 metres below the surface of the sea on a trio of deep-sea hydrothermal vents at the bottom of the Indian Ocean. Here it has evolved a remarkable form of protection against the crushing, grim conditions found at these Stygian depths. It grows a shell made of iron.

Discovered in 1999, the multi-layered iron sulphide armour of Chrysomallon squamiferum – which measures a few centimetres in diameter – has already attracted the interest of the US defence department, whose scientists are now studying its genes in a bid to discover how it grows its own metal armour.

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Huge ‘hot blob’ in Pacific Ocean killed nearly a million seabirds

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  • Thousands of bodies washed up on North America’s Pacific coast
  • Study finds common murres probably died of starvation

A million seabirds died in less than a year as a result of a giant “blob” of hot ocean, according to new research.

A study released by the University of Washington found the birds, called common murres, probably died of starvation between the summer of 2015 and the spring of 2016.

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Ocean temperatures hit record high as rate of heating accelerates

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Oceans are clearest measure of climate crisis as they absorb 90% of heat trapped by greenhouse gases

The heat in the world’s oceans reached a new record level in 2019, showing “irrefutable and accelerating” heating of the planet.

The world’s oceans are the clearest measure of the climate emergency because they absorb more than 90% of the heat trapped by the greenhouse gases emitted by fossil fuel burning, forest destruction and other human activities.

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Hot blob: vast patch of warm water off New Zealand coast puzzles scientists

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Area of water in the Pacific Ocean is 6C hotter than normal, possibly due to a lack of wind in the region

A spike in water temperature of up to 6C above average across a massive patch of ocean east of New Zealand is likely to have been caused by an “anti-cyclone” weather system, a leading scientist says.

Appearing on heat maps as a deep red blob, the patch spans at least a million square kilometres – an area nearly 1.5 times the size of Texas, or four times larger than New Zealand – in the Pacific Ocean.

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Greenland’s ice sheet melting seven times faster than in 1990s

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Scale and speed of loss much higher than predicted, threatening inundation for hundreds of millions of people

Greenland’s ice sheet is melting much faster than previously thought, threatening hundreds of millions of people with inundation and bringing some of the irreversible impacts of the climate emergency much closer.

Ice is being lost from Greenland seven times faster than it was in the 1990s, and the scale and speed of ice loss is much higher than was predicted in the comprehensive studies of global climate science by the Intergovernmental Panel on Climate Change, according to data.

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