Articles tagged with Ocean Warming
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Researchers found that the northern Galápagos Islands have been warming by almost 0.4 degrees F per decade, with temperatures increasing overall by about 1.1 degrees F since the 1970s. This finding is significant because it suggests that the region's reefs are more vulnerable to climate change than previously thought.
According to an updated analysis from the Institute of Atmospheric Physics/Chinese Academy of Sciences, 2017 was the warmest year on record for the global ocean. The oceans accumulated 1.51 × 10^22 J of heat, surpassing the previous second-warmest year of 2015.
A study from Dartmouth College reveals that warming tropical oceans have caused a strengthening of the Aleutian Low pressure system, driving increased snowfall in Alaska and other regions. This is evident in record accumulation rates dating back over 1200 years, exceeding normal variability.
Analyses of satellite sensing data show Red Sea's maximum surface temperatures increasing at a rate of 0.17°C per decade, four times faster than the global ocean warming rate. This rapid warming poses a threat to marine biodiversity in the region.
A new study published in Sustainable and Resilient Infrastructure predicts that warmer oceans will lead to higher wind speeds and larger storms, resulting in increased damage and financial losses due to hurricanes. The study estimates a 70% increase in hurricane-related financial loss by 2100 for coastal communities in South Carolina.
Researchers aim to unravel the underlying physical mechanisms driving SST warming in the Yellow Sea and East China Sea. Despite various studies, a consensus on the dominant mechanism remains elusive due to limited data and conflicting explanations.
A new study finds that climate change is modifying fish predator prey interactions, with cod moving out of the U.S. Northeast Shelf due to warmer waters and spiny dogfish expanding their range to compensate.
A 1°C warming of the Antarctic Ocean led to a single pioneer species dominating the community, driving a reduction in overall species diversity and evenness. Marine organisms also responded with increased growth rates, particularly in warmer months.
A new study published in Nature Communications suggests that methane hydrates in the Arctic Ocean are not a significant contributor to global warming. The researchers found that hydrates are already seeping methane for thousands of years, and this process is not affected by short-term temperature warming.
Researchers found that naturally occurring climate variations, specifically El Niño and the North Atlantic Oscillation, drive sea level rise hot spots along the U.S. East Coast. These hot spots can amplify coastal flooding severity and are difficult to predict.
A new study analyzing multiple ocean datasets reveals that the oceans are robustly warming, regardless of data used. The heat redistribution among global oceans experienced a significant shift over several decades.
A new Swansea University study suggests that rising temperatures associated with climate change could drive sea turtle populations to extinction. The research found that warmer incubation temperatures can lead to higher numbers of female sea turtles and increased nest failure, threatening the long-term survival of certain species.
A new study reveals that multiple ocean surface temperature changes are the primary driver of multi-decadal global warming accelerations and slowdowns. This finding supports a more accurate estimate of future global warming rates to meet the Paris Conference's 1.5°C target.
Scientists from Kyoto University and UC San Diego discovered that early 20th century sea surface temperatures in the tropical Pacific and North Atlantic warmed more than previously thought. The researchers found that rising Pacific-Atlantic temperatures were the major driver of rapid Arctic warming during this period.
A recent study by Dr. YAO Yao and Prof. LUO Dehai found that Arctic warming strengthens Ural blocking, leading to more widespread Eurasian cold events. The study suggests that the large BKS warming since 2000 weakens the meridional temperature gradient, increasing persistence of the UB.
Researchers found that high CO2 levels boost production at different levels of the food web, but ocean warming causes stress to marine animals, preventing them from efficiently using increased resources. This led to a collapse of the food web. The study suggests that ocean warming will be an overwhelming stressor for marine ecosystems.
A study published in Scientific Reports found that a 2°C rise in sea surface temperature in June 2015 led to a 6°C rise on Dongsha Atoll, killing approximately 40% of the resident coral community. The researchers suggest that natural cooling mechanisms can no longer protect corals from the effects of global warming.
A new study by Smithsonian scientists reveals that dead zones are a major threat to coral reefs globally, causing mass mortality. By controlling sewage and agricultural runoff, these localized threats can be reduced.
The new study reconstructs historical ocean subsurface temperature change with improved accuracy, revealing larger ocean energy accumulation and increased confidence in climate change assessments. This advances our understanding of global warming driven by the Earth's energy imbalance.
The study reveals that the ocean's oxygen content has decreased by more than 2% over the last 50 years due to global warming. This decrease can have far-reaching biological consequences for marine life, particularly large fish species.
Researchers found that small spikes in ocean temperature, rather than atmospheric warming, likely drove the rapid disintegration of ancient ice sheets. The study's findings add to evidence that climate change may bring higher seas than predicted by current models.
Researchers confirm that the floating ice shelf is strongly coupled to the ocean below and Nares Strait, with temperatures changing with seasons and tides. Temperature data shows warming of ocean water at an average rate of 0.03 degrees Celsius per year, consistent with adjacent studies.
An international team of scientists reports that Antarctica's climate change could trigger a strong sea level rise, similar to the one that occurred 15,000 years ago. Global warming is causing layering in the ocean, leading to stronger ice sheet melting.
A new study confirms the steady warming of oceans over the past 75 years, with a rate of 0.12 degrees Celsius per decade since 1997, contradicting claims of a global warming 'hiatus'. The research uses data from buoys, satellites, and Argo floats to support the NOAA findings, providing accurate measurements of ocean temperatures.
The oldest and thickest Arctic sea ice is disappearing, weakening the 'bulwark' of ice that previously protected it. This has led to an increase in sea ice loss, especially during summer months, with multi-year ice decreasing from 20% to only 3% of total sea ice cover.
A new report by IUCN highlights the impact of rising ocean temperatures on human health, with spreading marine-related tropical diseases and harmful algal blooms. The study found that Vibrio vulnifucus bacteria has been linked to outbreaks in previously unaffected regions, posing a significant threat to public health.
The report highlights detectable scientific evidence of ocean warming's impact on marine life, from microorganisms to mammals. Ocean warming is causing increased disease in plant and animal populations, impacting human health as pathogens spread more easily in warmer waters.
A new study finds human activity has been causing global warming since the early stages of the Industrial Revolution. The research suggests that greenhouse gas levels rose in the atmosphere during the 1800s, leading to rapid and measurable warming in tropical oceans and the Arctic.
A study led by University of California, Irvine ecologists found that wild blue mussel numbers have declined by over 60% along the Gulf of Maine coastline. The decline is attributed to warming oceans and increased human harvesting, which heighten physiological stress and mortality rates in the mussels.
A new simulation and measurement method for anthropogenic global warming was created by researchers at the University of California San Diego, isolating human activities' contribution to surface waters of the Pacific Ocean. The study's findings show that human-induced warming can be distinguished from natural variability.
A new study has found that ocean warming is the primary cause of glacier retreat on the western Antarctic Peninsula, with 90% of glaciers retreating since records began. This finding will improve predictions of ice loss and sea-level rise, as the Peninsula contributes significantly to global sea levels.
New studies show that ocean warming exacerbates the impacts of ocean acidification on calcareous phytoplankton, hampering their evolutionary success and physiological performance. The researchers found an increase in malformed coccoliths in warmer and more acidic oceans.
A new study by University of Exeter expert Dr James Screen found that Pacific Decadal Oscillation (PDO) affects Arctic amplification, with varying sea-ice loss impacting warming rates. The 'negative' phase of PDO leads to greater Arctic warming due to colder ocean temperatures along the west coast of North America.
A new study led by NCAR scientist Matthew Long finds that ocean deoxygenation caused by climate change will become detectable between 2030 and 2040, posing a major threat to marine life. The researchers used the Community Earth System Model to quantify large-scale changes in oxygen in the oceans.
A new study led by NCAR finds that widespread ocean oxygen loss due to climate change will be detectable between 2030 and 2040, posing a threat to marine life. The research uses climate simulations to distinguish between natural variability and deoxygenation caused by climate change.
Researchers at the University of Bonn used satellite data to find that ocean warming expansion contributed an average of 1.4 millimeters per year to sea level rise, more than double the previous estimate of 0.7-1.0 millimeters per year. This could lead to significantly increased risks of storm surges and coastal flooding.
Scientists have found that global ocean warming has doubled in recent decades, with significant increases in upper ocean temperatures since the 1970s. The study indicates that half of the accumulated heat during the industrial era has occurred in recent decades, with about a third residing in the deeper oceans.
A new study found a link between abrupt ocean warming at the end of the last ice age and low-oxygen conditions that led to vast marine dead zones. Warming surface temperatures triggered loss of oxygen in the North Pacific, raising concern that similar events will occur again as oceans warm.
A new study finds a link between abrupt ocean warming and low-oxygen conditions that led to vast marine dead zones in the North Pacific. The researchers discovered a clear connection between two prehistoric intervals of abrupt ocean warming that ended the last ice age, resulting in an increase in diatom production and subsequent hypoxia.
A recent study by Woods Hole Oceanographic Institution researchers reveals that long-term ocean warming significantly increased the risk of devastating floods in northeast Australia during the 2010/2011 event. The study found that warmer sea surface temperatures contributed to record-breaking rainfall and extreme weather conditions.
New research reveals that marine communities with a high thermal bias are more susceptible to ocean warming, leading to biodiversity changes. The study used data from the Reef Life Survey and found locations with average summer sea surface temperatures above 24°C to be the most vulnerable.
Researchers found that despite increased ice melt, some areas of the ice sheet have slowed down, reducing sea level forecasts. The discovery was made using satellite data and shows that meltwater can slow glacier movement by producing channels at the base of the ice sheet.
Climate models predict a doubling of extreme interannual sea level swings in the tropical southwestern Pacific, posing significant risks to vulnerable coastlines. Sea level drops and flooding will have severe consequences for Pacific Island communities adapting to rising sea levels.
A study published in Nature Geoscience found that frequent volcanic eruptions were the likely cause of a 1800-year-long cooling trend in the surface layer of the Earth's oceans. The researchers used 57 previously published marine surface temperature reconstructions and climate models to confirm this finding.
A new study analyzes 1,800 years of ocean surface temperature data, finding a steady cooling trend before the Industrial Revolution. Volcanic eruptions drove this trend, which was later erased by human-caused global warming.
A James Cook University study found that redthroat emperor fish retreat to deeper water in response to warmer temperatures. The species, commercially important for fisheries, may need to be redirected due to the shift in their habitat.
A new study reveals that marine species in Eastern Australia are responding quickly to climate warming, with swimming ability and large range sizes emerging as crucial factors. The findings have important implications for predicting how different species will respond to climate change and identifying those most at risk.
Researchers studied extreme precipitation events in coastal regions near warm seas and found a strong link between ocean warming and increased precipitation intensity. The Black Sea and eastern Mediterranean have warmed by about 2C since the early 1980s, leading to more frequent and intense convective storms.
Researchers found that Elegant Terns have expanded their breeding range from the Gulf of California into Southern California, driven by declining productivity in the Gulf. The study suggests that ocean warming and overfishing are causing ecological collapse in the region.
Research aims to understand how Antarctic fish will respond to rising ocean temperatures, which could impact the food web and ecosystem. The study will focus on embryo viability, development rate, and temperature stress response in two species, and provide data for informing climate change strategies.
Cold-water coral reefs, found in subarctic waters, are known for their vast biodiversity and ability to turn over carbon. Recent advances in underwater technology have enabled researchers to investigate these hidden reefs, revealing significant damage caused by deep-sea trawling and ocean warming.
Researchers found two specific ocean hot spots responsible for the record-breaking heat of 1934/36, a decade marked by devastating dust storms. This study may help predict extreme summers over the central US with months-long forecasts.
Research predicts that warming seas will constrain fish habitats, leading to reduced abundance of commercial species. The study used a model combining fisheries datasets and climate projections to predict future distributions of UK favourite fish.
A new study from Florida Institute of Technology finds that ocean warming has played a significant role in the decline of iconic elkhorn and staghorn corals. The research suggests that curbing greenhouse gas emissions could support the recovery of these critical reef-building corals.
A pioneering study analyzing 57,000 fish censuses reveals that sardines and other pelagic fish are highly vulnerable to changes in ocean temperature, driving them to migrate north. The research warns of significant socio-economic and ecological repercussions for coastal towns dependent on these fishery resources.
A new study projects that the Great Barrier Reef could lose more than half of its coral cover if ocean temperatures continue to rise. The research suggests that moderate warming would lead to a high probability of coral cover declining to less than 10 percent, threatening reef growth.
A new study attributes the global 'warming hiatus' to increased oceanic heat drawdown, particularly in the equatorial Pacific, North Atlantic, and Southern Ocean basins. The research reveals distinct mechanisms for each region, improving climate models' projections of future temperature changes.
A new theoretical equation demonstrates that every million-million tonnes of carbon emitted will generate one degree Celsius of global warming. The research also shows that surface warming is related to total carbon emissions, with little change over time as ocean carbon and heat uptake cancel each other out.
The 2014 global ocean warming is a result of North Pacific's record-breaking warming and the release of heat from stored water in the Western tropical Pacific. Temperatures now extend along the North American coast, indicating an end to the 14-year-long pause in ocean warming.
A study using satellite observations and climate models found that long-term ocean warming in the upper 700 meters has likely been underestimated. The researchers used a large suite of climate model simulations to estimate temperature changes, which suggests global ocean warming has been underestimated by 24-58%.