Researchers developed a new statistical method to calculate sea level rise, showing it's not only increasing but also accelerating. The study found the rate of sea level change on the East Coast is the highest in 2,000 years, with areas like New York City facing rapid increases.
Researchers discovered that sea spiders use gut peristalsis to move blood and oxygen throughout their bodies, not hearts. This unique system allows for efficient gas transport and highlights the diversity of solutions in animal physiology.
Researchers from Stockholm University found that the inorganic component of sea spray particles takes up less water, resulting in smaller particle size and reduced sunlight reflection. This discovery challenges existing climate models and highlights the importance of understanding sea spray's role in the atmosphere.
A study published in PLOS ONE found that pups born during warm years had lower antibody levels and were unable to respond to an immune challenge. High sea surface temperatures can lead to prey declines, forcing sea lions to extend foraging trips and eat lower-value prey.
New research aims to understand falling sea levels in the Dead Sea, with potential impacts on the environment and local economies. The study will use historical and present-day data, along with numerical models to predict future levels and assess government responses.
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.
Fossil evidence reveals a previously unknown east-west migration route for some mammals across North America, challenging previous hypotheses. Researchers propose that sea otters and potentially other animals traversed the northern edge of the Trans-Mexican Volcanic Belt to reach California from Florida.
A study found that most female Steller sea lions breed at the rookery where they were born, with fewer than 3% switching locations. When they did move, they preferred nearby rookeries with higher population densities.
Researchers identified dissolved barium as a tracer to quantify the extent of Kuroshio's impact on the East China Sea. The study found that Kuroshio subsurface water forms an intrusion current by climbing northwest along the bottom, with nearly 65% of its volume entering the Qiantang Estuary.
A research team has assembled the first complete genome of a deep-sea mussel, providing new insights into its molecular mechanisms of adaptation. The study found that modern deep-sea mussels evolved from shallow-water mussels approximately 110 million years ago.
A new study models sea-level rise along North America's East Coast, including the impact of Greenland and Antarctica's melting ice. The researchers found that contributions to ocean volume from ice melt accelerate sea levels in the southern U.S. East Coast, while changing ocean dynamics drive rises in the northern part.
Climate researchers predict an irreversible inflow of warm water under the ice shelf due to rising air temperatures above the Weddell Sea. The resulting meltwater feedback cycle could lead to dramatic melting and collapse of the second-largest ice shelf in Antarctica.
Research by University of Plymouth and Auckland aims to demonstrate coral reef islands' adaptability to rising sea levels, providing hope for vulnerable nations. The study uses a 1:50 scale replica of an island in Tuvalu to test the theory that shifting sand and gravel can form a natural barrier against sea water.
Researchers found sea floor erosion has increased water depths by more than predicted, threatening coastal communities with storms and erosion. Coral reefs worldwide are declining due to various forces, including climate change, overfishing, and pollution.
Researchers at the University of Alberta have found that sea scorpions likely used their serrated tail spines to kill ancient early vertebrates. The study suggests that these prehistoric predators could slash their tails from side to side, using a horizontal slashing motion to capture and dispatch their prey.
A University of Alaska Fairbanks study found that warmer Atlantic water is a significant contributor to Arctic sea ice loss. Increased mixing in the Eastern Eurasian Basin allows heat from the warmer water to reach the surface, causing sea ice to melt.
Scientists have discovered that sea urchins extract calcium ions from seawater through a process where they drink in water and manipulate the ions within their cells. This method is more energy efficient than previously thought, but presents new challenges for understanding how these cells concentrate and expel ions.
Researchers found that melt ponds in Arctic waters provide a nutrient-rich environment for algae and bacteria to grow, supporting marine life. This increase in productivity could lead to more food available for creatures such as seals, sea cucumbers, and fish in the polar seas.
A USGS and Michigan State University study discovered that slower sea lamprey growth rates during the larval phase increase the odds of becoming male. In productive environments, only 56% of sea lampreys were male after three years, whereas in unproductive lakes, 78% became male.
Scientists at NASA and NSIDC report record low wintertime maximum extent of Arctic sea ice on March 7, reaching 5.57 million square miles. In Antarctica, sea ice minimum extent fell to 815,000 square miles in February, its lowest level since satellites began measuring in 1979.
A new study projects significant increases in extreme sea levels along Europe's coasts by 2100, threatening millions of people with annual flooding. The research predicts that 5 million Europeans could face the risk of coastal flooding every year if greenhouse gas emissions continue to rise.
A new Tulane University study reveals that Louisiana's westernmost wetlands are vulnerable to sea-level rise, with over 60% of sites on track to drown. The research uses an unconventional method to measure sea-level change and provides a significant step forward in assessing the situation.
A new study from the University of Washington finds that natural variability in the atmosphere over the Arctic Ocean has accelerated summer sea ice loss in recent decades. The research suggests that climate change is still dominant, but natural variability played a significant role in the trend.
New research suggests that Arctic sea-ice loss intensifies the negative phase of the North Atlantic Oscillation (NAO) leading to more cold easterly winds. However, these winds are also warmer than they used to be due to widespread warming effects of Arctic sea-ice loss, resulting in little change in European winter temperatures.
Researchers found that air pollution, specifically sulfate aerosols, may have temporarily hidden the effects of global warming on Arctic sea ice, leading to an increase in sea ice extent from 1950 to 1975. The study's findings challenge the perception that Arctic sea ice was unperturbed by human-caused climate change until the 1970s.
Researchers found that sea level around Belitung Island in Indonesia rose twice by nearly 2 feet without human-influenced climate change. This natural fluctuation has implications for people living close to the sea in East and Southeast Asia.
Researchers have discovered that geostrophic balance becomes invalid at smaller scales, making sea level data unreliable for calculating ocean circulation. At high resolution, sea level can accurately calculate circulation in areas with persistent eddies, but not in areas dominated by internal waves.
A new species of extinct otter, Siamogale melilutra, has been discovered in China with a body size comparable to that of a wolf. The discovery provides insights into the evolutionary history and functional morphology of this ancient lineage.
The discovery of Siamogale melilutra, a 3 times larger than modern otters, reveals insights into the evolutionary history and functional morphology of this new species. The fossil's characteristics suggest adaptations for eating large shellfish and freshwater mollusks.
A new study finds that beluga whales in Alaska are mirroring changes in Arctic sea ice timing, delaying their migration south by up to one month. However, another population remains unaffected by these changes, suggesting variability in response across populations and time.
A University of Miami research team analyzed sea spray droplets generated from breaking waves and found that the amount of large droplets is 1000 times more than previously thought. This information can be applied to hurricane models to improve intensity predictions, aiding in people's safety.
Sea urchins and microorganisms have been found to 'drink' seawater, extracting calcium ions through a network of bubbles within their cells. This method may be more energy-efficient than previous theories, but also presents challenges in manipulating ions in the sea water.
The NASA IceBridge mission has concluded its eighth consecutive Antarctic deployment, carrying out a record number of research flights and providing valuable insights into changes in polar ice. The campaign's findings shed light on the impact of sea level rise on climate change.
Researchers linked changing sea ice to shifting beluga whale migration patterns over two decades, finding whales adapt to varying sea ice conditions. Continued reductions in sea ice may result in increased predation and shifts in behavior, impacting population viability and ecosystem structure.
Researchers have found that each tonne of carbon dioxide emitted contributes to the loss of 3 square metres of Arctic summer sea ice. This linear relationship reveals individual contributions to global climate change, surpassing previous estimates made by climate models.
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 team of paleontologists discovered a 40-million-year-old sirenian fossil in a Spanish paving stone, providing insights into the evolution of ancient marine mammals. The 'Girona Sea Cow' is believed to be one of the oldest sea cow fossils found in Europe.
A study found dramatic declines in sunflower sea star populations due to sea star wasting disease, affecting the Salish Sea ecosystem's balance. The disease has effectively disappeared these key predators from the area.
The study found that sunflower sea star populations dropped dramatically after the disease outbreak, while other species such as leather stars and certain sea urchins increased in number. The virus outbreak is expected to have lasting effects on the ecosystem, potentially leading to more browsing on kelp.
The study analyzed the macrobenthic assemblages of Southern Bohai Sea over a 60-year period, revealing a shift from K strategy species to R strategy species. The succession process was influenced by environmental changes, including increased seawater salinity and temperature, and human activities such as over-fishing.
Coastal Louisiana's unique situation allows scientists to study future global sea level rise effects on wetland-dominated coastlines. The region experiences a relative sea level rise rate of 13 millimeters per year, with extensive coastal wetland loss and rapid erosion of carbon-rich peat soils.
Researchers have discovered chemical traces of sea ice in Greenland ice cores, allowing them to calculate past sea ice levels. The data suggests that the Arctic climate was 2-3 degrees warmer 8000 years ago, with less summertime sea ice than today.
Researchers have recorded a new sighting of Günther's sea snake, a rarely seen venomous species, in Iranian coastal waters. The discovery expands the species' known range and brings the total number of sea snakes in the area to ten.
A quantitative model considers different rates of sea-level rise and economic factors to show optimal adaptation strategies. Researchers found that a buffer zone along the shoreline might make more sense if the sea level is going to rise quickly, but building near the coast could be suitable if buildings don't last very long.
A team of earth scientists evaluated how various processes affect past measurements, revealing that many high-quality historical records are from locations with reduced local sea level change compared to the global average. This suggests a minimum 14cm increase in global sea level rise during the 20th century.
A new University of Washington study finds a trend toward earlier sea ice melt in the spring and later ice growth in the fall across all 19 polar bear populations. The analysis shows that critical timing of sea ice break-up and freeze-up is changing in a direction harmful for polar bears.
A recent study from the University of California, Davis, found that coastal development and precipitation increase the risk of disease-causing organisms flowing to the ocean. The study tracked the parasite Toxoplasma gondii, which can shed infective egg-like structures in soil, freshwater, and seawater.
A recent study reveals that the expansion of Antarctic sea ice has caused a significant freshening of the Southern Ocean. The increased freshwater flux from the sea-ice conveyor belt explains the observed salinity changes in the region.
A new technique pioneered by scientists at Plymouth University can unravel historic changes to Antarctic sea ice, as well as demonstrate past alterations to glaciers and ice shelves. The method builds on an existing technique that identified changes to Arctic sea ice, allowing for the recovery and analysis of IP25 lipids from sediments.
A recent study has disentangled the impact of the 1991 Mount Pinatubo eruption on global mean sea level trends. The research reveals that the eruption effectively distorted calculations of sea level rise in subsequent decades, masking the acceleration caused by climate change.
Arctic sea ice cover is still declining despite slower melt rates, scientists say. The new normal for sea ice extent is expected to remain low due to extreme weather conditions.
Researchers found a correlation between Pacific sea level changes and global surface temperatures, with steeper tilts in the western Pacific linked to cooler temperatures. The study uses sea level data from 1993 to 2016 to estimate global surface temperature increases by the end of 2016.
Researchers have found strong evidence of sea ice distribution in the Nordic seas over the past 90,000 years, using a marine sediment core. The study reveals that sea ice played a significant role in shaping climate change and ocean currents during this period.
A new study reveals that greenhouse gases are already accelerating sea level rise, but the impact was initially masked by the massive 1991 Mount Pinatubo eruption. The study finds that removing the eruption's cooling effect from satellite records shows a clear acceleration in sea level rise over time.
Researchers measured the resting metabolic rate of a lactating sea otter mother, revealing a significant increase in energy demands after giving birth. This finding suggests that sea otters may be accumulating fat reserves before milk production to cope with the high costs of rearing their young.
A University of Toronto study found that high ocean temperatures and uncoordinated treatment likely led to an outbreak of sea lice in BC salmon farms. The study revealed that the spread of sea lice to migrating juvenile wild salmon resulted in the highest numbers of sea lice observed on wild salmon in a decade.
A study by University of California - Davis found that ocean acidification makes it harder for sea snails to escape from predatory sea stars. Lower pH levels impaired the snails' ability to sense and respond to the predators, with a tipping point at pH levels as low as 7.1.
A new study reveals that changes in Antarctic coastal polynyas are driven by variations in surrounding ice, including ice shelves and glaciers. Sea ice production decreases during major events like ice shelf collapse and increases when off-shore first-year ice is reduced.
A new study reveals that Antarctic sea ice migration drives the strength of global ocean circulation by changing water density. The researchers found that freshwater from melting sea ice contributes 10 times more to freshwater input than land-based glaciers, making it a vital contributor to circulation.
A study by Simon Fraser University researchers found that the loss of sea stars led to a quadrupling of green sea urchins, which prey on kelp, causing its decrease by 80 per cent. The ecosystem is still recovering, with no sign of recovery in sea stars.