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UrduMeandering ocean currents play an important role in the melting of Antarctic ice shelves, threatening a significant rise in sea levels.
Tag: ocean warming
Heat stress from ocean warming harms octopus vision
While climate change has led to an increase in the abundance of octopuses, heat stress from projected ocean warming could impair their vision and impact the survivability of the species.
Increased West Antarctic Ice Sheet melting ‘unavoidable’
Scientists ran simulations on the UK’s national supercomputer to investigate ocean-driven melting of the West Antarctic Ice Sheet: how much is unavoidable and must be adapted to, and how much melting the international community still has control over through reduction of greenhouse gas emissions.
New Study Finds That the Gulf Stream is Warming and Shifting Closer to Shore
The Gulf Stream is intrinsic to the global climate system, bringing warm waters from the Caribbean up the East Coast of the United States. As it flows along the coast and then across the Atlantic Ocean, this powerful ocean current influences weather patterns and storms, and it carries heat from the tropics to higher latitudes as part of the Atlantic Meridional Overturning Circulation.
A new study published today in Nature Climate Change now documents that over the past 20 years, the Gulf Stream has warmed faster than the global ocean as a whole and has shifted towards the coast. The study, led by Robert Todd, a physical oceanographer at the Woods Hole Oceanographic Institution (WHOI), relies on over 25,000 temperature and salinity profiles collected between 2001 and 2023.
Helicopter-based observations uncover warm ocean flows toward Totten Ice Shelf in Southeast Antarctica
An international team of scientists has successfully conducted large-scale helicopter-based observations along the coast of East Antarctica and has identified pathways through which warm ocean water flows from the open ocean into ice shelf cavities for the first time.
Marine fossils are a reliable benchmark for degrading and collapsing ecosystems
Biologists attempting to conserve and restore denuded environments are limited by their scant knowledge of what those environments looked like before the arrival of humans.
Twilight zone at risk from climate change
Life in the ocean’s “twilight zone” could decline dramatically due to climate change, new research suggests.
Toward a New Era of Reef Solutions
The scope and scale of threats facing coral reefs demand new ways of approaching the questions that need to be answered in order to ensure the future of reefs worldwide. That’s the conclusion of a paper released in print today by a multi-disciplinary scientists and engineers from the Woods Hole Oceanographic Institution (WHOI).
Climate change could cause mass exodus of tropical plankton
The tropical oceans are home to the most diverse plankton populations on Earth, where they form the base of marine food chains.
Indo-Pacific Ocean warming increases the uncertainty in forecasting the onset of the South China Sea summer monsoon
The onset of the South China Sea summer monsoon (SCSSM), usually characterized by a simultaneous circulation–convection transition, marks the beginning of the East Asian summer rainy season. Thus, forecasting it at the subseasonal-to-seasonal scale is a key concern.
Global fish stocks can’t rebuild if nothing done to halt climate change and overfishing, new study suggests
Global fish stocks will not be able to recover to sustainable levels without strong actions to mitigate climate change, a new study has projected.
Rapid warming in the Gulf of Maine reverses 900 years of cooling
Rapid 20th century warming in the Gulf of Maine has reversed long-term cooling that occurred there during the previous 900 years, according to new research that combines an examination of shells from long-lived ocean quahogs and climate model simulations.
Melting Arctic Ice Could Transform International Shipping Routes, Study Finds
With climate change rapidly warming the world’s oceans, the future of the Arctic Ocean looks grim.
Urgent need for climate protection, energy transition and pandemic preparedness: Science academies publish statements ahead of the G7 summit
The science academies of the G7 states are calling for urgent international action to protect the ocean and polar regions and to accelerate decarbonisation.
Deep Ocean Warming as Climate Changes
Much of the “excess heat” stored in the subtropical North Atlantic is in the deep ocean (below 700m), new research suggests.
World’s ocean is losing its memory under global warming
Using future projections from the latest generation of Earth System Models, a recent study published in Science Advances found that most of the world’s ocean is steadily losing its year-to-year memory under global warming.
Global warming accelerates the water cycle, with relevant climatic consequences
Researchers at the Institut de Ciències del Mar (ICM-CSIC) in Barcelona have found that global warming is accelerating the water cycle, which could have significant consequences on the global climate system, according to an article published recently in the journal Scientific Reports.
Lesser known ozone layer’s outsized role in planet warming
New research has identified a lesser-known form of ozone playing a big role in heating the Southern Ocean — one of Earth’s main cooling systems.
Antarctic ice-sheet destabilized within a decade
After the natural warming that followed the last Ice Age, there were repeated periods when masses of icebergs broke off from Antarctica into the Southern Ocean.
Climate Change ‘Double Whammy’ Could Kill Off Fish Species
Many commonly-eaten fish could face extinction as warming oceans due to climate change increases pressure on their survival while also hampering their ability to adapt.
Studies investigate marine heatwaves, shifting ocean currents
Two new studies from the Woods Hole Oceanographic Institution (WHOI) investigate marine heatwaves and currents at the edge of the continental shelf, which impact regional ocean circulation and marine life.
“Wrong-Way” Migrations Stop Shellfish From Escaping Ocean Warming
Ocean warming is paradoxically driving bottom-dwelling invertebrates – including sea scallops, blue mussels, surfclams and quahogs that are valuable to the shellfish industry – into warmer waters and threatening their survival, a Rutgers-led study shows.
In a new study published in the journal Nature Climate Change, researchers identify a cause for the “wrong-way” species migrations: warming-induced changes to their spawning times, resulting in the earlier release of larvae that would then be pushed into warmer waters by ocean currents.
More than half of the world’s oceans already impacted by climate change
More than 50 percent of the world’s oceans already could be impacted by climate change, with this figure rising to 80 percent over the coming decades, a research team including Lawrence Livermore National Laboratory (LLNL) oceanographer Paul Durack has found using global ocean salinity, temperature observations and a large suite of global climate models.