Articles tagged with Seawater
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A team of researchers developed a three-dimensional crystallizer to treat waste brine using solar power, offering an eco-friendly solution for seawater desalination. The device achieves efficient evaporation rates even in the presence of salt crystals, paving the way for zero liquid discharge and sustainable agriculture.
A new UCF study examines the connection between saltwater leeches and a major disease of sea turtles, fibropapillomatosis. The researchers found a significant association between leech presence and FP tumor development in green turtles but not in loggerhead turtles.
Researchers used non-invasive microscopy to study coral-algal symbiosis, tracking changes in algal concentrations and biomolecules under varying environmental conditions. Shallow water corals produce more algae to compensate for reduced sunlight, while deeper waters rely on algal partners for photosynthesis.
Scientists from Alfred Wegener Institute found Arctic Ocean was filled with freshwater due to floating ice shelves. Freshwater inputs explained rapid climate oscillations.
Research on tsunami generation, propagation, inversion, and warning has made significant progress since the 2004 Sumatra tsunami. Tsunami buoys remain the most reliable way for early warning, while new probabilistic methods offer improved hazard assessments.
New analysis of satellite data reveals Antarctica's ice melts at different rates each year, affecting sea level rise predictions. The study suggests that models used to predict sea-level change should reflect the dynamic nature of ice sheet changes.
A University of Washington study identifies four main groups of photoreceptors, many of them new, that marine organisms use to detect and respond to light. This discovery could aid in the field of optogenetics and provide insights into how marine life responds to changing ocean conditions.
A new study from the University of Colorado Boulder reveals that the ocean's surface layer is becoming shallower, making it easier to warm and increasing the likelihood of extreme marine heatwaves. This thinning can lead to drastic swings in ocean temperatures, threatening sensitive marine ecosystems.
Researchers found that 74 glaciers in deep valleys accounted for nearly half of Greenland's total ice loss between 1992 and 2017. Warming coastal waters accelerate undercutting, a process where warm water melts the ice from below, causing glaciers to break apart more quickly.
The study reveals a rapid warming of Southern Ocean waters to 800m depth, with temperatures increasing by 0.04°C per decade around the polar ice cap. Meanwhile, warm water is rising rapidly to the surface at a rate of 39m per decade, outpacing previous estimates.
A new desalination membrane was developed by laminating graphene oxide nanosheets on a porous polymer membrane, enabling highly efficient desalination with controlled ion-blocking functionality. The membrane can block around 95% of NaCl ions, making it suitable for producing freshwater from seawater.
Researchers used phreatic overgrowths on speleothems in Mallorca caves to determine past sea levels, providing a way to precisely measure sea levels. The study's results show that sea level dropped significantly after the Pliocene period and fluctuated during warm periods.
Scientists have developed a method to track marine life in the Arctic using water samples, revealing insights into climate change impacts on bowhead whales and biodiversity. By analyzing environmental DNA in water bottles, researchers can monitor population diversity and patterns of migration.
The study examines the spatial distribution of planktonic ciliates in the western Pacific Ocean, focusing on a transect from Shenzhen to Pohnpei. Ciliate abundance is positively correlated with phosphate and pico-sized pigmented eukaryotes, while biomass is related to heterotrophic nanoflagellates and chlorophytes.
A global assessment reveals that groundwater discharge plays a significant role in ocean chemistry, with elements like lithium and barium entering the sea from underground sources. The study suggests that groundwater inputs can account for up to 16% of river contributions to ocean chemistry.
Gills can't keep up with fish bodies as they grow, leading to oxygen limitation. This constraint affects fish reproduction and fisheries, particularly in warm waters with low oxygen levels.
The study confirms that nutrient imbalance in northeast Asian waters is disrupting phytoplankton species and marine ecosystems. Nitrogen pollutant inflow since the 1980s has led to changes in oceanic conditions, particularly near Ieodo Ocean Research Station.
A new study finds that soil moisture exerts a negative feedback on surface water availability in drylands, offsetting some of the expected decline. This means that as soil moisture decreases, it can reduce evapotranspiration and enhance surface warming, leading to more frequent droughts and floods.
The study highlights a significant difference in ice shelf collapse between two glaciers in Greenland. Warming subsurface ocean water may be the culprit behind the rapid mass loss of the Zachariae Isstrøm glacier.
A new study has found small microplastics in the ocean surrounding Okinawa, with over 75% made from polyethylene. The plastics correlated more with population density than industrialized areas, highlighting potential leaching from fishing equipment and road dust.
The Caspian Sea is shrinking due to climate change, with water levels falling by 9-18 meters in the coming century. This has significant consequences for biodiversity, species habitats, and bordering countries' economies.
The Caspian Sea is projected to lose over a third of its surface area due to accelerating sea level drops, posing significant threats to unique ecosystems and millions of people living near the sea. Researchers urge immediate action to mitigate this problem, which could have devastating consequences like global sea level rise.
A new study provides the first-of-its-kind model for how massive icebergs from Antarctica decay and affect ocean currents. The research found that these icebergs deliver freshwater to the Southern Ocean, influencing climate patterns.
Researchers found that unusual warm Pacific seawater and sustained high air pressure over the Bering Sea led to delayed sea ice formation in the Pacific Arctic region. This study improves Arctic sea ice forecast and benefits global weather forecasting and local ecosystem health.
A new study published in Proceedings of the National Academy of Sciences suggests that climate change, not Genghis Khan, led to the decline of Central Asia's medieval river civilizations. The research found that decreasing river flow due to drought was equally important for the abandonment of these city-states as the Mongol invasion.
A new study by MIT researchers reveals that Arctic eddies are driven by ice friction and ocean stratification, leading to a seasonal shift in their activity. The findings suggest that as the Arctic loses summertime ice, waters will become more turbulent, with implications for climate change predictions.
Scientists have shown that abrupt climate change in the past was closely linked to rapid sea ice decline. The study documents how sudden warming of the climate occurred when sea ice cover changed from year-round to seasonal ice cover in Nordic seas.
A new study reveals that floating DNA bits in seawater can reveal the relative abundance of fish species, allowing for an inexpensive and harmless way to monitor fisheries and track shifting marine life. The technique, known as eDNA, has vast applications in ocean conservation and research.
A new model suggests that warm waters may limit the active metabolism of large fishes due to reduced aerobic capacity. The study indicates that oxygen availability constrains metabolic demands in fishes, particularly in larger species.
New research finds that plastics in seawater can cause deformities and developmental problems in sea urchin larvae due to chemical leaching. The study highlights the importance of reducing plastic pollution and finding alternatives to replace harmful additives.
Researchers discovered that high seawater temperatures caused sponges to die and disappear from Israel's shallow waters. The study found that prolonged exposure to high temperatures led to multi-system damage in sponges, making them unable to recover and survive.
Researchers discovered moulins in Greenland ice sheet are much larger than previously thought, with extra volume influencing the ice sheet's stability and movement towards the sea. The study's findings add to knowledge of how meltwater interacts with the base of the ice sheet.
Recent measurements reveal a surprise increase in dense water sinking near Antarctica, following 50 years of decline. Changes in bottom water formation can impact global climate and deep ocean ecosystems. The study documents an increase in supply of bottom water to the Indian and Pacific Oceans.
Researchers discovered a large amount of water in the upper atmosphere of Mars, rapidly destroyed by ions, explaining part of the planet's mysterious dryness. This process contradicts the classical picture of water escape from Mars, suggesting it is incomplete and influenced by seasonal and dust storms.
A team of researchers has discovered more about the grain-scale fluid connectivity beneath the earth's surface, shedding new light on fluid circulation and seismic velocity anomalies in subduction zones. The study found that fluids with minor components, such as CO2 and NaCl, can have a significant impact on the dihedral angle between ...
The study reveals rare behavior of the Bigfin Squid in the Great Australian Bight, providing new insights into its distribution patterns. Multiple observations suggest a deeper understanding of this deep-sea species can be gained through further research.
Researchers at Stanford University and NASA's Jet Propulsion Laboratory propose a new explanation for the source of powerful eruptions on Europa's icy surface. The model suggests that water pockets embedded in the ice shell itself could be the origin of these eruptions, rather than the subsurface ocean.
A new study has identified the coral skeleton growth mechanism, revealing that controlling water temperature is crucial for restoring reefs. The research suggests that corals regulate their internal ion concentrations by pumping calcium and carbonate ions from seawater through coral tissue.
A new study reveals that Arctic rivers contribute significantly more heat to the Arctic Ocean than in 1980, leading to up to 120,000 square miles of sea ice melt. This warming effect is accelerated by global air temperature rise and positive feedback loops.
A new study demonstrates the effectiveness of eDNA metabarcoding for detecting deep-sea fish, revealing 11 fish families, 11 genera, and 8 species. This method provides broader coverage of fish diversity and uses significantly less logistical effort than conventional methods.
A new species of ancient marine reptile, Brevicaudasus jiyangshanensis, has been identified in China, featuring a short, flattened tail used for balance. This adaptation allowed the creature to float motionless underwater, conserving energy while searching for prey.
A new study reveals ocean acidification is a present-day reality on the Great Barrier Reef, with CO2 levels rising 6% over 10 years. This accelerated trend confirms atmospheric CO2's influence on seawater CO2 levels, posing significant threats to coral growth and health.
Researchers discovered that whale-surfing remoras use the cushion of slow-moving water carried by whales to stay attached. The fish can move along the whale's body and even skim across locations without being torn free.
The BlueSwell Incubator Program has selected its first cohort of six startups, which will receive grants and mentorship to support the development of innovative solutions for ocean health and sustainable industries. The program aims to bridge the gaps between innovators, industry experts, and venture communities, with a focus on commer...
A massive methane release occurred in a deep ocean natural gas reservoir during the Pliocene, potentially affecting atmospheric concentrations. The study estimates that up to 27 teragrams of methane could have reached the atmosphere over 8 months, equivalent to 10% of current global annual emissions.
A new study by a USC-led research team reveals that emissions from Chinese coal-fired power plants are fertilizing the North Pacific Ocean with iron and other metals, which could impact marine life. The researchers found peak iron concentrations in surface seawater corresponding to big wind events over east Asia.
A new study reveals high levels of microplastics are released from infant-feeding bottles when preparing formula, with warmer liquids leading to greater MP release. The researchers developed recommendations to minimize MP release, calling on policymakers to reassess current guidelines for safer bottle use.
Marine sediment shows similar overall diversity to topsoil and seawater, despite decreasing microbial community diversity with depth. Key factors influencing taxonomic composition include organic carbon concentrations and dissolved oxygen presence.
Seawater air-conditioning (SWAC) has been shown to provide the same cooling energy as 21 wind turbines or a solar power plant the size of 68 football fields, making it a viable alternative to conventional air-conditioning. The technology can reduce greenhouse gas emissions and water consumption in cooling systems.
A new tool developed by Utah State University scientists can predict drought and water flow in the Colorado River several years in advance. The model uses long-term ocean memory and associated atmospheric effects, as well as filtering effects of land systems to temper short-term precipitation events.
A new study reveals that rapid ocean warming and acidification will exacerbate negative effects on planktonic communities, including reduced productivity and calcification. Researchers found that calcifying phytoplankton, such as coccolithophores, are particularly vulnerable to these changes.
A team of Penn State researchers has integrated water purification technology into a sea water electrolyzer, which uses an electric current to split apart the hydrogen and oxygen in water molecules. This new method can make it easier to turn wind and solar energy into a storable and portable fuel.
As the atmosphere warms, ocean stability increases, leading to reduced carbon burial and decreased productivity. Cooler water layers not mixing due to stable conditions prevents oxygen and nutrient delivery.
Researchers at Dauphin Island Sea Lab found that pre-storm oceanic environments contribute to hurricane intensification. Marine heatwaves, like those caused by Hurricane Michael, can prime the coastal waters for extreme storm events.
Researchers have discovered that seismic rumblings on the seafloor can provide a new way to monitor ocean temperatures, using existing seismic monitoring equipment and historic data. By analyzing sound waves from undersea earthquakes, they can determine changes in ocean temperature at depths normally out of reach of conventional tools.
A new study on free-swimming marine snails found that shell shapes and body geometries impact their swimming abilities and sinking behaviors. The researchers used high-speed photography to analyze the snails' movements, relating them to vertical migration and distribution.
A new study suggests that pulses of cooler deep water can reduce heat stress responses in corals, potentially halting coral bleaching. The research found that even short intrusions of cooler deep water can mitigate thermal stress in corals, with the effect being stronger in simulations with water from deeper depths.
Researchers investigate freshwater discharge from Russian rivers, mapping its spread in the Kara and Laptev seas. The study reveals how river plumes interact with wind forces, affecting ice conditions and biological processes.
Researchers discovered that extinct sea scorpions had air-breathing structures, including trabeculae pillars, which allowed them to breathe out of water. The findings suggest that their ancestors were semi-terrestrial and may have used their legs as paddles to swim.
A Rutgers-led study finds that 80% of bottom-dwelling invertebrates have disappeared from Georges Bank due to warming-induced changes in spawning times. Ocean warming causes these creatures to spawn earlier, exposing larvae to stronger winds and water currents that push them toward warmer waters.