Articles tagged with Ocean Surface Temperature
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The Earth's ocean stored more heat in 2025 than in any year since modern measurements began, with a record-high increase of 23 Zetta Joules. The findings indicate stronger ocean warming trends since the 1990s and highlight the importance of reducing emissions to mitigate climate change.
New research suggests that ocean turbulence and horizontal stirring will dramatically increase in the Arctic and Southern Oceans due to human-induced Global Warming. The study uses ultra-high-resolution simulations to investigate how mesoscale horizontal stirring (MHS) responds to warming, revealing a pronounced future intensification ...
Scientists at UC Riverside are using advanced technology to understand how corals regain life-giving algae after suffering from heat stress. By studying the cellular and genetic mechanisms of algae reestablishment, researchers aim to develop practical tools to help reefs survive ocean warming.
A new study found that marine heatwaves impact the base of ocean food webs, changing carbon cycling in the process. However, the effects of the two heatwaves were not consistent, with one causing a 'conveyor belt' to jam and increasing the risk of carbon returning to the atmosphere.
The Blue Whale, an 11-meter submersible unmanned vessel, can collect comprehensive water column parameter data while eliminating risks to human life. It is designed to operate in extreme sea states and enhance disaster preparedness through accurate typhoon intensity forecasts and marine condition warnings.
Researchers at the University of Tsukuba found that 2023 marine heatwaves significantly exacerbated the record-breaking East Asian summer heatwave. The study revealed that changes in cloud cover and water vapor enhanced solar radiation reaching the ground, amplifying surface temperatures.
The Madden-Julian Oscillation's speed and intensity are influenced by atmospheric stability, which affects regional convection and tropical cyclones. Uneven ocean warming changes MJO behavior, impacting rainfall patterns and climate forecasts.
Researchers at OIST identified biological processes that support young clownfish adaptation to climate change and warming seas. Exposing juvenile fish to raised water temperatures showed significant changes in liver and pancreas, reducing insulin secretion and increasing oxidative phosphorylation.
A new study reveals that persistent subtropical ridges create critical conditions for marine heatwave formation. The ridges weaken strong winds, causing the sea to warm rapidly and leading to a substantial reduction in heat loss from the ocean.
A study by University of California, Riverside researchers finds that the Atlantic Meridional Overturning Circulation's slowdown is responsible for the persistent cold water anomaly south of Greenland. This weakening circulation leads to cooler surface waters and fresher salinity, impacting weather patterns across Europe.
The University of Maryland-led study found that the bay experiences 25 days of heat waves annually, with a 10% uptick in recent years. Satellite data shows varying duration and frequency of heat waves across different regions of the bay, highlighting the need for a marine heat wave warning system.
Researchers warn that artificial oxygen input cannot replace comprehensive water protection strategies. Technical approaches have shown promise, but risks include intensifying greenhouse gases and disrupting marine habitats. Climate protection and reducing nutrient inputs remain crucial for mitigating ocean oxygen loss.
A new study reveals that winter sea surface temperatures in the Tasman Sea play a key role in influencing Antarctic Peninsula temperatures. Higher-resolution climate models better simulate atmospheric wave trains triggered by Tasman Sea SST changes.
Surface waters in the Southern Ocean have cooled by 60% since 1990, contrary to climate models. Freshwater inputs from melting ice sheets drive this phenomenon, limiting the exchange of cool surface waters with warmer waters below.
A 30-meter sediment core from the Great Blue Hole in Belize provides the longest recorded storm frequency data for the Atlantic, with 574 storm events over 5,700 years. The research reveals a steady increase in tropical storms and hurricanes in the southwestern Caribbean due to climate change.
Researchers identify cloud-radiation feedback as dominant source behind differing tropical Pacific sea surface temperature (SST) changes in climate models. The study's findings highlight the critical role of these feedbacks in shaping future warming patterns.
Researchers found significant increases in crevasses at fast-flowing glaciers, with some sectors experiencing a 25% increase. This accelerated crevassing could further speed up the mechanisms behind the loss of ice from Greenland.
Researchers have identified a critical link between tropical ocean temperatures and rainfall patterns in the Middle East, shedding light on the complexities of forecasting seasonal weather. The study found that positive phases of the El Niño Southern Oscillation and Indian Ocean Dipole significantly increase rainfall, while negative ph...
A recent study by Woods Hole Oceanographic Institution scientists found that the AMOC has not declined in the last 60 years, contrary to previous predictions. The research used climate models and reanalysis data to reconstruct the AMOC's past behavior, indicating a more stable system than expected.
A new study finds that ocean warming in 2024 has led to record-breaking temperatures across the globe, including a 16 zettajoule increase in upper 2000m ocean heat content. This rise in temperature affects weather patterns and marine life, with significant implications for climate change.
When two tropical cyclones collide in the Indian Ocean, they can intensify considerably, leading to extreme interactions between the ocean and atmosphere. The study found that effects occurred that have only been observed with much stronger cyclones, including a cooling effect of three degrees Celsius and upwelling of deep water masses.
Researchers at University of Liverpool develop new method to measure ocean memory, revealing the North Atlantic Ocean has a nearly two-decade memory. This surpasses previous estimates and highlights the importance of ocean circulation in climate system predictability.
A group of student researchers developed a machine learning-based approach to better understand and represent the decline in global ocean oxygen levels. Their research showed that the world's oceans have lost oxygen at a rate of about 0.7% per decade from 1970 to 2010.
Scientists from the University of East Anglia have discovered a 50-metre-thick 'intrusion' of warm water under the Ross Ice Shelf, which has increased heat transport into the cavity by 45% over the last four decades. This finding suggests that climate change will likely lead to further melting and ice loss.
A recent study suggests that enhanced Arctic sea-ice melting during the Last Interglacial period led to significant cooling in northern Europe. The researchers used sediment cores and geochemical tracers to reconstruct past ocean conditions, highlighting the importance of feedback mechanisms in the climate system.
Scientists have confirmed that temperature differences at the ocean surface aid in carbon absorption, with the ocean absorbing about 7% more CO₂ each year than previously thought. This discovery highlights the importance of understanding these subtle mechanisms for refining climate models and predictions.
Marine heatwaves (MHWs) have been found to occur independently of surface events, with 80% of MHWs below 100 metres being unconnected. The study used observational data from over two million ocean temperature profiles and highlighted the influence of ocean currents, particularly eddies, on subsurface events.
A new reconstruction of Earth's temperature history over the past 485 million years reveals a wider range of climate variability than previously understood. The study suggests that atmospheric carbon dioxide has been the primary driver of climate changes during this period, with temperatures varying more dynamically than thought.
A coral colony from Fiji has provided a new record of sea surface temperatures in the southwestern Pacific, revealing that 2022 was the warmest year in over 600 years. The reconstruction uses data from the giant coral Diploastrea heliopora, which records long-term climatic and environmental changes.
The ocean's twilight zone plays a crucial role in regulating marine phytoplankton productivity, which is essential for the marine food chain. Researchers have found that warming temperatures can strengthen the recycling of nutrients between the ocean layers, with significant implications for climate change projections.
Researchers at University of South Florida found that sea surface temperatures in four estuaries in South Florida have risen faster than globally and in the Gulf of Mexico. The accelerated warming poses a threat to marine life, including algae, seagrass, and coral reefs.
A recent study has found that tropical ocean waters exhibit significant variability in temperature over time and space, contradicting the long-held 'climate variability hypothesis'. This unexpected finding may help explain why some fish species can tolerate a wider range of temperatures than others.
A new study has determined the vertical limits of the marine environment in the Southwest Atlantic, revealing that the mesophotic zone extends to a depth of between 15m and 18m. The research found distinct differences in fish diversity and species composition between the shallow and mesophotic zones.
A study published in Global Change Biology found severe biodiversity decline in the Atacama Trench from 1970 to 1985, coinciding with an El Niño event and extensive fishing efforts. The researchers also discovered a direct impact of sea surface temperature on marine life composition over time.
Researchers have found that the Southern Ocean absorbs 25% more carbon dioxide than previously estimated. The new study used direct measurements to assess existing flux products in the Southern Ocean.
Researchers used a weather model to pinpoint the source of wintertime precipitation in Arizona, finding it comes from a central Pacific moisture source rather than El Niño/La Niña events. The study's findings could improve seasonal precipitation forecasts for the region and potentially other areas globally.
A UC Riverside study shows that extreme heat in Earth's past caused a decline in the exchange of waters from the surface to the deep ocean, which redistributes heat around the globe. This system has been crucial for regulating Earth's climate and removing anthropogenic carbon dioxide from the atmosphere.
Researchers found that sharks adapted by elongating their pectoral fins in response to warmer ocean temperatures, making movements more efficient. This evolution allowed them to thrive in the open ocean despite extreme heat.
Researchers identified a global climate indicator, Indian Ocean basin-wide index, that can improve predictions of dengue outbreaks several months in advance. This could facilitate efforts to tackle the rising infection threatening half the world's population.
Researchers employed an advanced ocean data assimilation scheme to predict subsurface temperature anomalies, improving forecasting for marine heatwaves like the Blob. The new approach leveraged a broader range of oceanic observations, enhancing accuracy in the lower ocean layer.
The study reveals that coral reefs are suffering from widespread bleaching and deaths, with the highest temperatures recorded in 175 countries. The researchers found that heat transport from the tropics to the polar regions has accelerated, causing sea surface temperature increases and exacerbating global warming feedbacks.
Research reveals that tiny plant-like organisms are transported to deeper depths by ocean currents, affecting carbon cycling and microbial dynamics. This process challenges conventional understanding of carbon transport in the ocean.
MIT researchers demonstrate that light can break water molecules away from the surface and float them into the air, causing evaporation in the absence of heat. This phenomenon has significant implications for understanding cloud formation and precipitation, as well as designing new industrial processes such as solar-powered desalination.
In a groundbreaking study, scientists found that juvenile great white sharks prefer warm and shallow waters near the shore, often within 1 km of land. This behavior may help them evade predators and optimize growth efficiency in these nurseries.
Deeper areas of the Great Barrier Reef are insulated from harmful heatwaves due to separation between warm surface water and cooler deeper water. However, this protection will be lost if global warming exceeds 3°C above pre-industrial levels, threatening coral mortality and reef collapse.
Researchers from Kyushu University found that ocean-atmosphere coupling enhances teleconnection patterns, leading to more meandering jet streams and extreme weather events. The study highlights the significance of extratropical ocean-atmosphere interactions in climate variability.
A new study finds that extreme tropical cyclone rainfall is increasing across the continental US, while climate warming restricts 'outdoor days' for people living in developing countries. Additionally, air pollution increases mortality risks from heat, especially when combined with other factors like wildfires and reduced aerosols.
Scientists at Woods Hole Oceanographic Institution find strong correlation between CO2 increases and changes in seasonal sea surface temperature patterns. The study reveals distinct features, including increased warming in summer months and thinner mixed-layer depths, with implications for marine ecosystems.
Increasing sea surface temperatures have led to a five-fold increase in juvenile bull sharks in Mobile Bay. The study found that warmer waters made habitats more suitable for these sharks. Computer modeling revealed that temperatures above 22.5°C were associated with higher shark presence.
Researchers found that land-atmosphere coupling has a significant impact on Asian monsoons, but its effect varies greatly from year to year. The study suggests that better modeling of land conditions may be crucial for improving seasonal forecasts in the region.
The 2023-24 El Niño phenomenon is likely to cause record-breaking average surface air temperatures in some areas, including the Bay of Bengal and the Philippines. Global mean surface temperatures are predicted to break historical records with a 90% chance under a moderate or strong El Niño scenario.
A new study finds that emergency atmospheric geoengineering would not be able to reverse changes to ocean currents, even with stratospheric aerosol injection. Gradual injections can maintain current temperatures and circulation patterns, but abrupt injections fail to restore critical ocean circulation patterns.
A new study by University of Tokyo researchers found that fish weight in the western North Pacific Ocean decreased in the 2010s due to warmer waters limiting food supplies. Climate change is exacerbating competition for resources among fish species, with implications for fisheries and policymakers.
Scientists at Caltech have developed a new type of robotic jellyfish that can swim faster and carry payloads, making them ideal for collecting oceanic climate data. The biohybrid creatures use electronics to enhance their swimming abilities and can reach speeds of up to 4.5 times those of natural jellyfish.
Research suggests polar climates are adjusting to a warming climate with changes in regional climate dynamics. Altered ocean-sea ice interactions may be driving recent fluctuations in sea ice extent, according to new studies.
A recent study from the Hebrew University of Jerusalem uncovers notable correlations between the Indian Ocean and precipitation in the Middle East, which may lead to seasonal prediction of Fall precipitation. The research highlights a discernible upward trend in crucial Indian Ocean climate indices over the last four decades, indicatin...
A new study reveals that climate change is silently eroding the ocean's ability to provide fish by reducing plankton levels, leading to significant drops in fish stocks. The research found that even small declines in phytoplankton can result in much bigger drops in fish populations due to an amplifying mechanism within the food web.
Researchers at Pohang University of Science & Technology developed an uncrewed surface vehicle to measure nitrate concentration and water depth in a reservoir. The study reveals seasonal variations in nitrate levels and the importance of considering timing and weather conditions in water quality assessments.
Research using a high-resolution climate model found that global warming amplifies the strength of typhoons in East Asia, leading to increased intense rainfall and powerful storms. The study suggests that continued escalation of global warming will result in stronger typhoons and more extensive occurrences of extreme precipitation events.
A GEOMAR study found that low North Atlantic sea surface temperatures are responsible for heat events on land. The researchers discovered a link between cold ocean temperatures and European heat waves, which contributes to the formation of high pressure systems and clear skies.