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In August, the National Oceanic and Atmospheric Administration (NOAA) issued its updated forecast for the 2024 hurricane season. Significantly warmer than usual surface temperatures in the Atlantic Ocean, which come largely as a result of human-caused climate change. Why are the oceans so warm and fueling this rapid intensification?
Scientists have long feared that warming could cause a breakdown of ocean circulation in the North Atlantic. But new research finds the real risk lies in Antarctica’s waters, where melting could disrupt currents in the next few decades, with profound impacts on global climate. Read more on E360 →
The ocean is an enormous engine, turning heat energy into motion, says physicist Helen Czerski. But human activity is threatening that machine — depriving the seas of oxygen, increasing stratification, and potentially changing the currents that influence global weather. Read more on E360 →
Some companies say the solution lies in mining the deep oceans, but scientists say that could irreversibly damage a vast, largely pristine ecosystem. The electric vehicle boom is driving a surge in demand for prized metals needed for batteries and other components. Read more on E360 ?.
Global warming not only increases ocean temperatures, it triggers a cascade of effects that are stripping the seas of oxygen. Fish are already moving to new waters in search of oxygen, and scientists are warning of the long-term threat to fish species and marine ecosystems. Read more on E360 →
In the real ocean that is not an observed quantity. While these simulations assimilate observational data, over most of the ocean surface these are basically sea surface temperatures, but surface heat loss depends also on air temperature, wind speed, humidity, radiation and cloud cover in complex ways, all of which are not accurately known.
As industrial aerosols decreased due to this new regulation, particularly over the North Atlantic Ocean, the planetary albedo slightly decreased, which means that more incoming solar radiation was absorbed by the planet rather than reflected.
By Bob Berwyn Fresh water from melting Antarctic ice is projected to weaken the worlds most powerful ocean current by 20 percent in the next quarter century, an international team of scientists concluded in a study published today in the journal Environmental Research Letters.
While nonbinding, the unanimous advisory opinion offers important support for small island nations facing climate impacts and raises the bar for other nations to reduce their global warming emissions to protect the world’s oceans. Lays out polluting nations’ obligations.
Because of the way the climate and ocean systems respond to heat-trapping emissions, sea levels will continue to rise even after air temperatures stabilize. So, even in a future scenario where the world achieves the stabilization of air temperatures, the Earths oceans and cryosphere (frozen regions like Antarctica ) will continue to adjust.
By Teresa Tomassoni When Antarctic krill swarm, the semi-transparent shrimp-like crustaceans join together in the millions or trillions, forming dense coral-colored underwater clouds as they swim in sync with one another and traverse frigid ocean currents.
Satellite images have confirmed that the world's oceans have become slightly greener. Scientists suspect climate change is the reason. Read more on E360 →
Guest commentary by Robert Hart, Kerry Emanuel , & Lance Bosart The National Weather Service (NWS) and its parent agency, the National Oceanic and Atmospheric Administration (NOAA), delivers remarkable value to the taxpayers. This efficiency can be demonstrated by its enormous return on investment.
More than 10,000 ornaments were handmade in Alaska, and among them are several dozen ornaments created from marine debris collected during Ocean Conservancy beach cleanups in Sitka. Please try again or contact 1.888.780.6763 Enter Your Email.loading Thanks for signing up for Ocean Conservancy emails. For those of you in D.C.
As ocean temperatures remain stubbornly high, forecasters see a diminished chance that the Pacific Ocean will enter its cooler La Niña phase this fall, as was predicted. Read more on E360 →
body charged with regulating deep-ocean mining will soon consider whether to permit the first project to move forward. But ecologist Lisa Levin, who has long studied the deep sea, worries that in the rush for key minerals, a pristine and important ecosystem will be lost. Read more on E360 →
Ocean circulation in the deep waters around Antarctica has slowed significantly over the past three decades, posing a threat to the climate system, according to a new study. Read more on E360 →
Moreover, the partnership will also enable Captura to conduct technology development and ocean modeling work to guide feasibility studies for commercial facilities.
The post Ørsted Acquires PSEG’S Ocean Wind 1 Equity Shares appeared first on Environment + Energy Leader. This acquisition will give them 100% ownership of the wind energy project located 15 miles off the coast of New Jersey and will help Ørsted to deliver New Jersey’s 1st offshore wind energy project.
That’s how long Ocean Conservancy has been advancing policies that secure a healthy ocean and a thriving planet. Please try again or contact 1.888.780.6763 Enter Your Email.loading Thanks for signing up for Ocean Conservancy emails. Yet despite its critical role, the ocean is often sidelined in global climate discussions.
Consider the record-breaking warm ocean temperatures of the past year, which has caused the largest coral bleaching event on record , habitat loss and species migration. Many scientists thought these high ocean temperatures would be years away, but the realities of climate change are not a distant threat.
This long search for something so large in the ocean brought to mind the classic American novel, Moby Dick by Herman Melville. I recently got a glimpse of this new energy supply out at sea, first from shore and then on a visit with others seeking to learn more.
The Atlantic meridional overturning circulation (AMOC) is a large-scale overturning motion of the entire Atlantic, from the Southern Ocean to the high north. The post What is happening in the Atlantic Ocean to the AMOC? Graph by Ruijian Gou. The AMOC is a big deal for climate. 15 Sverdrup). Take the IPCC reports. 1999; Huisman et al.
In the sea as on land, climate change is driving shifts in the abundance and distribution of species. Scientists are just beginning to focus on why some fish predators and prey like striped bass and menhaden on the U.S. East Coast are changing their behavior as waters warm. Read more on E360
The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. By Bob Berwyn New research by an international team of climate scientists documents a surge of global warming during the past 15 years that risks shutting down a key ocean current by 2050.
Our planet is undergoing significant changes due to climate disruption, with especially severe impacts on the ocean. CDR refers to deliberate human activities that remove carbon dioxide from the atmosphere and durably store it in geologic, terrestrial, or ocean reservoirs or in long-lived products.
Around the world, researchers are working on a range of projects that aim to enhance corals’ resistance to marine heat waves. In a promising sign, a U.K. team recently became the first to quantify an uptick in heat tolerance among adult corals selectively bred for the trait. Read more on E360 →
We have a once-in-a-lifetime opportunity to tackle one of the biggest threats facing our ocean: plastic pollution. Widely known as the “global plastics treaty,” this agreement aims to curb the global plastic pollution crisis, of which the ocean often bears the brunt. As an official U.N. There is still time to right this ship.
Just by looking at the name, you can see that a GCM is a model that simulates the circulation of Earths different physical systems like the atmosphere and ocean. The Earths atmosphere and oceans create circulations in order to mix temperature differences between regions; GCMs, or climate models, simulate these circulations quite well.
However, for our ocean and the planet, the real fright comes from plastic waste. Plastic candy wrappers, plastic decorations and other plastic waste have serious impacts on our ocean and marine life. Love ocean content? Our ocean is counting on us to take a stand, and together—we can make a difference. We are too.
Beset by severe heat throughout the Australian summer, the Great Barrier Reef is undergoing a mass bleaching, its fifth in eight years. Read more on E360 →
Present-day GCMs consider changes in not just the atmosphere, but also changes in the ocean, the land, and sea-ice (see figure below). Modern climate models incorporate multiple sub-components that simulate land, ocean, and sea-ice conditions to inform modeling of atmospheric conditions.
Researchers have discovered coral bleaching hundreds of feet underwater, at a depth where corals were once well insulated from surface warming. Read more on E360 →
The paper results from a major computational effort, based on running a state-of-the-art climate model (the CESM model with horizontal resolution 1° for the ocean/sea ice and 2° for the atmosphere/land component) for 4,400 model years. Figure adapted from Caesar et al., Nature 2018.
It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.
That’s because the parties to the London Convention and London Protocol are meeting from October 28 to November 1 in London to discuss, among other things, governance of ocean alkalinity enhancement and ocean sinking of biomass (e.g. Some are land-based, while others use the ocean. seaweed) for carbon storage.
Plankton form the base of the world’s food chain, but warmer and more acidic oceans are affecting their numbers and variety. Some species, on which fish rely, are in decline; others, which soak up carbon, are on the rise, while others are shifting their range and bloom times. Read more on E360 →
A study modelling the impact of melting ice suggests scientists have underestimated the risk that an important ocean current will shut down and cause climate chaos
Over the past few years, misinformation about climate change and our ocean has been spreading across news and social media, and many believe it will only get worse. In my work towards ocean climate solutions, I have seen how misinformation can delay climate action and impact policy decisions that affect our ocean.
Until now, 90 per cent of the excess heat created by greenhouse gas emissions has been drawn down into the ocean, but this capacity for heat absorption is now being lost, which could lead to longer marine heatwaves and harm ocean life
Climate change is here, and nowhere is this more immediately apparent than in our ocean. It makes sense that our ocean would bear the most immediate impacts because it is on the front line of actually absorbing and storing the carbon that causes climate change to begin with.
For decades, the oceans have absorbed much of the excess heat caused by greenhouse gases. The latest observations suggest they are reaching their limits, so how worried should we be?
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