Articles tagged with Ocean Warming
Researchers investigated the Mississippi River's hydrological trends, ocean carbon storage, and gender dynamics in flood mortality. A study found that precipitation increases, but soil moisture decreases, while high-resolution models reveal stronger Southern Ocean carbon absorption. Additionally, data showed men are overrepresented in ...
A field-deployable CRISPR-based biosensing platform has been developed for rapid, on-site monitoring of marine species and ecosystems, offering a sustainable solution for tracking ocean health. The technology has the potential to detect critical species, predict outbreaks, and support early warning systems for ecosystem disruptions.
Researchers found a surprising correlation between West Antarctic Ice Sheet retreat and marine algae growth over the past 500,000 years. The study suggests that global warming may lead to reduced CO2 uptake if the ice sheet continues to shrink.
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.
A modelling study suggests that heat stored in the Southern Ocean could be released, causing a rapid warming of the atmosphere. The ocean acts as a large heat reservoir, mitigating atmospheric warming since the Industrial Revolution.
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 ...
A new study shows that reducing air pollution has decreased the brightness of marine clouds, leading to accelerated warming. Scientists attribute 70% of this change to aerosols, and researchers are exploring ways to make clouds shinier without polluting the air.
A new study models the impact of climate change on the GBR, forecasting a rapid coral decline before the middle of this century. However, curbing emissions and strategic management can help improve coral resilience, especially in well-mixed waters with good larval replenishment.
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.
A new study reveals that Antarctic sea ice plays a critical role in predicting global warming, with a greater extent of sea ice leading to more significant warming. The research found that ocean heat uptake and thermal sea level rise will be higher than previously estimated by 2100, with implications for policy and science.
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.
A 30-year study reveals East Antarctica's interior is warming at a rate of 0.45-0.72°C per decade, faster than global average, driven by changes in the Southern Indian Ocean. This warming process may underestimate future Antarctic ice loss predictions.
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 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.
Researchers found that dominant predatory fish species acquired most of their energy from kelp, but on turf-dominated reefs, they turned to phytoplankton for energy. Kelp forest collapse removed a key source and pathway for energy flow in the food web.
A recent study using SWOT satellite data has revealed the existence of powerful submesoscale eddies in the ocean, which play a significant role in shaping the climate system. These smaller currents carry surprisingly large amounts of energy and influence marine food webs, weather patterns, and events like El Niño and La Niña.
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.
A new study has shown that turf algae release chemicals that can kill young kelp, creating a feedback loop that reinforces kelp forest collapse. The research reveals an indirect way climate change is reshaping ocean ecosystems, complicating kelp forest recovery along Maine's rapidly warming coast.
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.
The deep sea accounts for 90% of ocean volume and hosts diverse ecosystems. However, human activities like mining and climate change threaten these areas. Scientists emphasize the need for major investment in deep-sea research to address knowledge gaps and inform sustainable management strategies.
A Cornell University-led study predicts long-term increases in precipitation over East Asia and the Western U.S. as the Southern Ocean warms, regardless of climate mitigation efforts. The research suggests that accounting for cloud feedbacks in climate models can help explain uncertainties and improve predictions.
Research finds that strengthened westerly winds enhance clockwise oceanic circulations, transporting warm seawater and causing accelerated ice sheet melting in East Antarctica. This study's findings improve future sea level rise projections.
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 found that some coral reef fish exhibit higher thermal tolerance in the Arabian Gulf's variable thermal environment, but overall biodiversity is lower. This suggests that only certain species can adapt to environmental changes, and highlights the need for further investigation into climate change impacts.
Researchers find that melting Antarctic ice sheets are slowing the Antarctic Circumpolar Current (ACC), the world's strongest ocean current, by around 20% by 2050. This change in ocean properties and circulation patterns has implications for global climate indicators, including sea level rise and marine ecosystems.
Researchers from Utrecht University studied icebergs' routes during rapid ice cap deterioration and found evidence of ancient material from Antarctica near South Orkney Island. The study suggests that Antarctica had an ice cap in the late Eocene, and large icebergs could survive in warm ocean conditions.
New study highlights significant gaps in understanding how sunscreens affect marine ecosystems, with chemicals entering the environment through various pathways. Researchers emphasize the need for comprehensive studies to understand the effects of UV filters on marine life and potential risks to human health.
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.
A new study found that ocean temperatures have more than quadrupled since the late 1980s, rising from 0.06°C/decade to 0.27°C/decade. This accelerating warming is driven by the Earth's growing energy imbalance and is expected to lead to even more rapid temperature increases in the future.
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.
Research shows that juvenile sablefish are increasingly competing with young salmon for food in coastal waters off the Northwest, potentially putting salmon at a disadvantage. This overlap could be exacerbated by ocean warming and climate change, which already threaten salmon survival.
A new study estimates that 4 million Alaska common murres died following the 'warm blob', a marine heat wave that impacted ocean productivity and food supply. The die-off had devastating effects on seabird populations, with colony sizes dropping by half in some areas.
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.
A new study suggests that coral heat tolerance adaptation via natural selection may be insufficient to overcome the impacts of ocean warming, unless Paris Agreement commitments are realized.
Under-ice species in the Arctic are facing significant threats as sea ice melts at a faster rate than anywhere else on Earth. Researchers studying microbial organisms in four environments found that the under-ice mix of species was the least diverse, composed mainly of specialist plankton and microbes adapted to harsh conditions.
A new study finds that reversing climate change effects quickly climbs nearly fourfold soon after a tipping point is crossed. The cost of intervention also increases steeply if waiting occurs, with the degree of needed action rising over time. Researchers have quantified these costs for the first time.
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.
Research from multiple ice cores in Greenland provides new understanding of Dansgaard-Oeschger events, which represent 'tipping points' in Earth's climate. The findings suggest interactions between the Atlantic Meridional Overturning Circulation and wintertime sea ice play a key role in these events.
Climate change is releasing more contaminants into the ocean, affecting marine ecosystems. Human activities and natural sources are mobilizing and increasing contaminant flows due to rising sea levels and melting glaciers.
Marine heatwaves in UK waters have been characterized for the first time, revealing regional variability and seasonal differences. The southern North Sea and English Channel tend to experience longer and moderately intense heatwaves, while the eastern North Sea has shorter but more intense heatwaves.
A University of Barcelona study shows that marine heatwaves decrease the ability of red gorgonians to resist and recover from other disturbances, increasing their risk of extinction. This impact on marine ecosystems could have serious consequences.
Phytoplankton biomass has increased in subsurface waters due to ocean warming, while surface phytoplankton's total biomass remains stable despite reduced chlorophyll levels. The findings highlight the limitations of satellite observations and underscore the urgent need for improved global monitoring of deep-living phytoplankton.
The study found a recent reversal of fortunes in the Adriatic Sea, with populations of marine predators and their prey plummeting and being replaced by a single species. The researchers used seafloor environments to determine interactions between species, showing a decline in biodiversity and excess nutrients.
A recent study published in Science Advances found that the ocean's heat storage efficiency during the last deglaciation was substantially enhanced to ≥1 by strong warming in intermediate-depth waters. This significant increase resolves a long-standing paradox in the conventional view of climate system dynamics.
European atmospheric blocking has slowed glacial melt at Greenland's Nioghalvfjerdsfjorden Glacier by cooling subsurface waters from 2018 to 2021. The findings highlight the importance of regional atmospheric dynamics in glacier stability, which is crucial for predicting future glacier behavior.
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.
A study by Florida Atlantic University and the University of Tübingen found that rainfall cools beach surfaces and enhances moisture for egg development, making it a crucial factor in determining hatchling body size. The research suggests that global warming may shorten incubation periods and disrupt growth, affecting sea turtle survival.
A recent study from the University of Delaware has analyzed a high-quality carbonate dataset to investigate anthropogenic carbon dioxide in coastal waters. The researchers found that surface water shows high levels of anthropogenic carbon dioxide, while middle and deep layers have lower concentrations.
A new study led by Dartmouth researchers questions the rapid polar ice collapse model used in the IPCC's sixth assessment report. The team found that the expected rate of retreat is significantly lower than predicted, making the worst-case scenario less likely, but still dire due to ongoing ice loss from Greenland and Antarctica.
A new 400-year temperature record reveals extreme recent ocean heat that has led to mass coral bleaching on the Great Barrier Reef. The research highlights the devastating impact of human-caused climate change on the reef's unparalleled ecology and biodiversity.
Climate change is expected to shift the distribution of eight commercially important marine fish and invertebrate species northwards due to warmer water temperatures and loss of sea ice habitat. This could lead to changes in the abundance and economic viability of fisheries, with some species potentially benefiting while others decline.
Research shows that ocean warming and acidification could lead to catastrophic shark embryo survival decline by 2100. Monthly temperature variation plays a significant role in mortality rates.
Researchers discovered adaptations in metabolism and swimming abilities that enable fish to survive extreme temperatures in the Arabian Gulf. The study challenges prevailing views on the 'shrinking of fishes phenomenon' and proposes a new theory on energy balance and survival.
Researchers at University of Cambridge discovered that underwater turbulence around seamounts significantly influences ocean mixing, contributing to a third of global ocean mixing. This finding has implications for climate models used in policymaking, potentially improving forecasts of the ocean's response to global warming.
Scientists at British Antarctic Survey have identified a new tipping point in Antarctic ice sheet melting due to ocean water intrusion. This process, currently not included in models, could lead to significant underestimates of sea level rise and accelerated ice sheet melting.
Kelp forests in southern Maine have collapsed due to warming, while northern regions continue to provide key ecosystem services. The study highlights regional differences in forest health and the importance of targeted management to preserve these ecosystems.