The study, published in the Proceedings of the National Academy of Sciences, built a model of sea surface temperatures since 1940 that removed the heating the climate crisis has caused. The…Continue readingClimate crisis has tripled length of deadly ocean heatwaves
Tag: ocean heat
Waters off WA have been affected by prolonged marine heatwaves since September. Regions off the north-west coast were hottest, with ocean temperatures 1.5˚C higher than average over a five-month period and…Continue readingDeaths of 30,000 fish off WA coast made more likely by climate change
Tens of thousands of fish have died off northwestern Australia, as a large and long-lasting marine heat wave intensifies. The fish kill at Gnoorea Beach near Karratha is concerning our team…Continue readingA marine heat wave in northwest Australia is killing huge numbers of fish—it’s heading south
“Our paper says that the Atlantic overturning has not declined yet,” said Foukal, who conducted the research while at Woods Hole Oceanographic Institution (WHOI). “That doesn’t say anything about its future,…Continue readingCritical ocean current has not declined in the last 60 years, AMOC study finds
Tropical storm Dikeledi barreled towards Mozambique on Monday after leaving three dead in Madagascar and triggering floods in the French territory of Mayotte, less than a month after the cyclone-battered region…Continue readingCyclone-battered region sees storm Dikeledi leave Mayotte for Mozambique
The international team, led by Cardiff University researchers, show how southern migration of the westerly winds and the Antarctic Circumpolar Current (ACC) towards the pole during periods of past global warming…Continue readingPast climate shifts altered Southern Ocean currents and carbon exchange: Study warns it may be happening again
The Gulf of Mannar, an inlet of the Indian Ocean connecting India and Sri Lanka, is rich in biodiversity and a source of livelihood for both countries’ fishermen. Kachchatheevu, a tiny…Continue reading‘Treat us like humans’: Fishing wars trap Indians in Sri Lankan waters
The dangers of a collapse of the main Atlantic Ocean circulation, known as AMOC, have been “greatly underestimated” and would have devastating and irreversible impacts, according to an open letter released…Continue reading‘We don’t know where the tipping point is’: climate expert on potential collapse of Atlantic circulation
Warm water fueled amazingly rapid intensification that took Milton from a minimal hurricane to a massive Category 5 in less than 10 hours. It weakened, but quickly bounced back, and when…Continue readingHere’s what has made Hurricane Milton so fierce and unusual
The remnants of Hurricane Kirk swept into western Europe Wednesday, tearing up trees in Portugal and Spain before dumping heavy rains on France that left at least one dead. A storm…Continue readingOne dead as storm Kirk tears through Spain, Portugal, France
As Hurricane Milton bears down on Florida, fueled by a record-hot Gulf of Mexico, a new analysis has shown how the Gulf’s heat that worsened last month’s Hurricane Helene was 200…Continue readingGlobal heating makes hurricanes like Helene twice as likely
Studies have found that, across the world, extreme rainfall has become more common and intense due to climate change; there is a high degree of confidence that such is the case…Continue readingHurricane Helene’s reach was shocking, another example of how climate change ‘is here and now,’ scientists say
The Great Barrier Reef is under critical pressure, with warming sea temperatures and mass coral bleaching events threatening to destroy the remarkable ecology, biodiversity, and beauty of the world’s largest coral…Continue readingNew 400-year temperature record shows Great Barrier Reef is facing catastrophic damage, researchers warn
A world where global mean surface temperature has increased 3°C will be characterized by widespread and intense heat stress, extreme weather events, ruptured and unproductive marine and terrestrial ecosystems, broken food…Continue readingEarth at risk: An urgent call to end the age of destruction and forge a just & sustainable future
“A likely harbinger of a hyperactive season” was how CSU researchers characterized Beryl, which set numerous records on the way to its Texas landfall, including the earliest category 5 hurricane, strongest…Continue readingAfter Hurricane Beryl’s destruction, climate scientists fear for what’s next
A new and worrying way that large ice sheets can melt has been characterized by scientists for the first time. The research focuses on how relatively warm seawater can lap at…Continue readingNew tipping point discovered beneath the Antarctic ice sheet
The West Antarctic Ice Sheet has been losing mass in recent decades, contributing to global sea level rise. If it were to melt entirely, global sea levels would rise by around…Continue readingFeedback loop that is melting ice shelves in West Antarctica revealed
In past bleaching events on the Great Barrier Reef, the southern region has sometimes been spared worst of the bleaching. Not this time. This year’s intense underwater heat has triggered the…Continue readingMore than coral: The unseen casualties of record-breaking heat on the Great Barrier Reef
Global heating has pushed the world’s coral reefs to a fourth planet-wide mass bleaching event that is on track to be the most extensive on record, US government scientists have confirmed.…Continue readingGlobal heating pushes coral reefs towards worst planet-wide mass bleaching on record
Australia’s Great Barrier Reef, which stretches for some 2,300km (1,429 miles) off the country’s northeastern coast, is suffering its worst bleaching event on record. The extent of the bleaching was revealed…Continue readingAustralia’s Great Barrier Reef suffers worst bleaching on record
On 18 March, 2022, scientists at the Concordia research station on the east Antarctic plateau documented a remarkable event. They recorded the largest jump in temperature ever measured at a meteorological…Continue reading‘Simply mind-boggling’: world record temperature jump in Antarctic raises fears of catastrophe
In recent years, Antarctica has experienced a series of unprecedented heat waves. On 6 February 2020, temperatures of 18.3°C were recorded, the highest ever seen on the continent, beating the previous…Continue readingClimate change is speeding up in Antarctica
The annual State of the Climate report by the UN weather and climate agency confirmed preliminary data showing 2023 was by far the hottest year ever recorded. And last year capped…Continue readingPlanet ‘on the brink’, with new heat records likely in 2024: UN
Months of record breaking temperatures and the El Niño weather phenomenon pushed the heating up of the world’s oceans to a new peak in February, scientists said. Oceans cover 70 percent…Continue readingCarbon emissions and El Nino push oceans to record temperatures
The Great Barrier Reef is in the grip of a mass coral bleaching event driven by global heating – the fifth in only eight years – the marine park’s government authority…Continue readingFifth mass coral bleaching event in eight years hits Great Barrier Reef, marine park authority confirms
Many traditional Malaysian fishermen have found themselves increasingly affected by the climate crisis, which is changing weather patterns that have long governed when and where they can fish. Such fishermen are…Continue readingClimate change pushes Malaysia’s coastal fishermen away from the sea
Ocean currents are driven by winds, tides and water density differences. In the Atlantic Ocean circulation, the relatively warm and salty surface water near the equator flows toward Greenland. During its…Continue readingOnce melting glaciers shut down the Gulf Stream, we will see extreme climate change within decades
By Christoper Ketcham The Intergovernmental Panel on Climate Change has assumed Nordhaus is to be trusted. The integrated assessment models used at the IPCC are based on Nordhausian visions of adaptation…Continue readingWhen Idiot Savants Do Climate Economics
Antarctica has likely broken a new record for the lowest annual maximum amount of sea ice around the continent, beating the previous low by a million square kilometres. The new mark…Continue readingAntarctic sea ice shrinks to lowest annual maximum level on record
As many as eight in 10 brown bear cubs born this year in a remote part of northern Japan have died amid a shortage of salmon, with experts blaming rising sea…Continue readingBrown bear cubs in Japan die of starvation amid salmon shortage
Greenhouse gas concentrations, global sea level and ocean heat content reached record highs in 2022, according to the 33rd annual State of the Climate report. “People are causing the largest known…Continue readingInternational report confirms record-high greenhouse gases, global sea levels in 2022
The pace at which the concentration of CO2 in the atmosphere has jumped three-fold in five decades. Annual growth in global mean carbon dioxide averaged across the last decade has tripled…Continue readingPace of increase in CO₂ concentration has increased three-fold
Being cautious by nature, scientists warned that in the next few decades the global emperor population will suffer significant losses. This fate appeared a long way in the future, but it…Continue readingI have studied emperor penguins for 30 years. We may witness their demise in our lifetime
In late July, a study published in Nature Communications warned that a critical ocean system that brings warm water up the North Atlantic, also known as the Atlantic Meridional Overturning Circulation…Continue readingAtlantic collapse: Q&A with scientists behind controversial study predicting a colder Europe
Corals across several countries are bleaching and dying en masse from unprecedented levels of heat stress, prompting fears that an unfolding tragedy in Central America, North America and the Caribbean could…Continue reading‘Huge’ coral bleaching unfolding across the Americas prompts fears of global tragedy
Over the past few weeks, a large-scale rescue operation has been under way off the coast and keys of Florida. It began as water temperatures were rising towards a peak of…Continue readingMissing ice and bleached coral: the sudden warming of the oceans
Hard coral cover in the northern section of the reef, from Cape York to Cooktown, was estimated at 35.7%, down from 36.5% in 2022. Between Cooktown and Proserpine, the reef’s central…Continue readingRecovery of Great Barrier Reef stalls as scientists point to bleaching, disease and starfish attacks
The beginning of July marked the planet’s hottest week in recorded history. Last month was the warmest-ever June. The arrival of a strong El Niño is likely to push global temperatures…Continue readingScientists are freaking out about surging temperatures. Why aren’t politicians?
The water off South Florida is over 90 degrees Fahrenheit (32 Celsius) in mid-July, and scientists are already seeing signs of coral bleaching off Central and South America. Particularly concerning is…Continue readingCorals are starting to bleach as global ocean temperatures hit record highs
Approximately 40% [25%] of the global ocean is currently experiencing MHWs, which ranks 1st [14th] among all months since 1991. Values include the effects of long-term warming. Values with the long-term…Continue readingCurrent marine heatwave (MHW) conditions
The sea is becoming greener due to changes in plankton populations, analysis of Nasa images finds. When comparing these changes in colour with those hypothesised from a computer model simulating what…Continue readingWorld’s oceans changing colour due to climate breakdown, study suggests
AR events impacted the country 596 times, 95% of which occurred during a monsoon season. They also found that 54% of the biggest AR events occurred over the past three decades,…Continue readingStudy shows warming planet is leading to an increase in ‘atmospheric river’-associated flooding in India
Life in the ocean’s “twilight zone” could decline dramatically due to climate change, new research suggests. The twilight zone (200m to 1,000m deep) gets very little light but is home to…Continue readingTwilight zone at risk from climate change
Large swathes of the world’s oceans are warm. Unusually warm. The heat this year is likely to break records. Since mid-March, the global average sea surface temperature is over 21℃—the highest…Continue readingIn hot water: here’s why ocean temperatures are the hottest on record
The temperature of the world’s ocean surface has hit an all-time high since satellite records began, leading to marine heatwaves around the globe, according to US government data.Continue reading‘Headed off the charts’: world’s ocean surface temperature hits record high
New research by Australian scientists suggests 40% slowdown in just three decades could alter world’s climate for centuries.Continue readingMelting Antarctic ice predicted to cause rapid slowdown of deep ocean current by 2050
Increasing ocean temperatures present ‘existential threat’ with knock-on effects for ecosystems and commercial fisheries, researchers say.Continue readingDecline of more than 500 species of marine life on Australian reefs ‘the tip of the iceberg’, study finds
More than 90% of the heat caused by adding greenhouse gases to the atmosphere through burning fossil fuels is taken up by the ocean. 15 scientists carried out a review which…Continue readingOcean heat found to be accelerating and fuelling extreme weather