Articles tagged with Seawater
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers discovered that the ratio of oxygen isotopes in ancient ocean rocks suggests a global ocean covered most of the planet's surface at that time. This finding could help scientists understand how single-cell organisms first emerged on Earth.
Geologists have determined that the early Earth was a 'water world' with submerged continents based on oxygen isotope data from ancient ocean crust in Australia. This finding has significant implications for the origin of life on Earth and its possible existence elsewhere.
A recent expedition led by the University of Western Australia has revealed rich and diverse ecosystems in the cold waters deep within the Bremer Canyon submarine canyons. The team collected deep-sea corals, fauna, seawater, and geological samples, providing a new understanding of these previously unknown ecosystems.
The study found that massive flood events in the eastern North Pacific Ocean, known as the Missoula Floods, may have contributed to abrupt climate changes in the Northern Hemisphere. The researchers reconstructed sea surface temperature and salinity patterns using fossil plankton data from marine sediment cores.
A new method has been proposed to swiftly and accurately detect underground water leaks in transmission mains. By assimilating data from pressure sensors into a mathematical model, the researchers claim faster results with higher accuracy than current methods, reducing computational costs and improving speed.
Scientists investigate microorganisms in the twilight zone of the ocean and find they can degrade recalcitrant organic compounds. The study provides insight into the ocean's carbon cycle and may help predict microbes' role in regulating it.
Researchers have identified key technological and scientific challenges in producing hydrogen through seawater electrolysis. The study highlights the need for new catalysts and electrode materials to overcome competition between chlorine chemistry and water oxidation in seawater.
Researchers found that warmer waters increase the frequency and intensity of snapping shrimp sounds, which could dominate coastal ocean soundscapes. This might impact fish communication, human sonar instruments, and even Navy mine detection systems.
A study published in PNAS reveals that Antarctic sea-ice played a crucial role in past climate transitions, storing extra carbon in the deep ocean and reducing atmospheric CO2 levels. Sea ice formation increases storage of carbon in the deep ocean, leading to a 30 ppm drawdown of atmospheric CO2.
A new international study led by UNSW Sydney reveals that the West Antarctic Ice Sheet melted rapidly during the Last Interglacial period, causing a multi-metre rise in global mean sea levels. The research suggests that the ice sheet is highly sensitive to future ocean warming, posing an urgent need to minimize warming.
A new quantum process tomography method based on convex optimization effectively characterizes quantum channels, revealing their true action with high accuracy. The method demonstrates excellent performance in both unitary and non-unitary quantum channels, achieving up to 99.5% accuracy.
NASA measured heavy rainfall around Tropical Storm Uesi's center and in a large band of thunderstorms, triggering warnings for Vanuatu. The heaviest rainfall was falling at 1.2 inches per hour near the center, while a large band of thunderstorms experienced rainfall rates of up to 1 inch per hour.
A new study reveals global ocean circulation has accelerated over the past two decades, with a sharp increase in kinetic energy from 1990s onwards. The acceleration is attributed to intensification of surface winds and a near 2%-per-decade rise in wind speeds.
A recent study by the University of Colorado Boulder and Rutgers University explores the impact of nuclear war on the world's oceans. The research finds that smoke generated by detonated warheads could shift ocean acidification patterns and rob waters of essential building blocks for organisms like corals.
Researchers discovered a substantial concentration of microplastics in the Delaware Bay, accumulating in hotspots driven by tidal, wind, and buoyancy variations. The study used field sampling and modeling to simulate microplastic distribution and found high concentrations near salinity fronts where surface currents converge.
A novel bacteria effectively removes nitrogen from salty wastewater, suggesting a potential solution for sewage treatment from seawater-based toilets. This finding could help alleviate pressure on freshwater resources as the world's population is expected to grow to 10 billion by 2050.
The robotic underwater vehicle, Icefin, captured unprecedented images of the grounding line, a critical area for Thwaites Glacier's stability. Researchers hope to gain a clearer picture of its condition, as it contributes significantly to global sea-level rise. The data collected will help predict future changes with more certainty.
Researchers found that upper-ocean stratification is increasing in about 40% of the world's oceans, which could have a negative impact on the marine food chain. The study suggests that global warming may be driving this trend.
Scientists have observed record warm water beneath the Thwaites Glacier in Antarctica, which is causing significant melting. The discovery suggests that climate change may be responsible for the glacier's retreat, with potential implications for global sea levels.
Researchers are exploring seawater-based Na-ion batteries as a potential alternative to lithium ion batteries. A new study investigated electrode materials that increase voltage, capacity, and wattage. The development of these batteries could alleviate concerns around cobalt mining and reduce costs.
Researchers found that Antarctic Bottom Water, a deep-water mass in the Southern Hemisphere, was disrupted from spreading northwards into the South Atlantic and Indian Oceans during peak ice ages. The study suggests that weaker circulation in the Southern Ocean during cold periods may have interrupted this process.
Researchers have discovered a unique CO2 hotspot in the ocean, with readings of up to 95,000 parts per million. The site, known as Soda Springs, is being studied for its potential to understand how coral reefs cope with climate change.
Researchers used a non-targeted approach to identify 64 previously unknown chemicals in Puget Sound, including pesticides and pharmaceuticals. The team found eight concerning chemicals at potentially hazardous concentrations that require further investigation.
Researchers argue for mobile marine protected areas in international waters to protect highly mobile species affected by climate change. New technologies, such as satellite tracking, enable dynamic management strategies that adjust to species' movements and habitats shifts.
A new analysis shows the world's oceans were the warmest in 2019 than any other time in recorded human history. The study reveals that the past ten years have been the warmest on record for global ocean temperatures, with significant consequences for marine life and extreme weather events.
Scientists found that seasonal temperature variations in the Arctic Ocean significantly impact methane emissions, with a 43% decrease in colder conditions. This study corrected existing estimates in the methane emissions budget, highlighting the importance of considering seasonal changes in biogeochemical processes.
Research on puffadder shysharks reveals that ocean acidification damages up to 25% of their denticles, limiting their swimming ability. The study also found that sharks have an acid-base regulatory mechanism to adapt to environmental conditions.
Scientists provided reliable regional estimates of land subsidence and water-level rise in the Ganges-Brahmaputra-Meghna delta, projecting 85-140cm rise by 2100. The delta's 200 million inhabitants face significant flooding risks due to climate change, intense monsoon rainfall, rising sea levels, and land subsidence.
Researchers analyzed 101 monthly stream and tide gauge records to estimate variations in relative water level in the Ganges-Brahmaputra-Meghna delta from 1968 to 2012. The study found RWL increased by approximately 3mm/year, similar to global mean sea-level increase, leading to estimated maximum land subsidence rates of 1-7mm/year.
Research reveals Pacific Ocean infiltration into the Southern Ocean around 6,000-7,000 years ago, possibly due to weakened westerly winds. This finding may signal potential impacts of climate change on the region.
Researchers found that changes in deep-water circulation occurred around 7,000 years ago, influencing CO2 levels in the atmosphere. This discovery highlights the importance of studying past climate change and suggests future climate change could lead to increased CO2 release from Southern Ocean.
A team of mathematicians has discovered a new phenomenon that generates a fluidic force capable of moving and binding particles immersed in density-layered fluids. This breakthrough offers an alternative to previously held assumptions about particle accumulation in lakes and oceans.
A study published in Scientific Reports suggests that prolonged exposure to high carbon dioxide seawater may corrode tooth-like scales covering the skin of puffadder shysharks. The research found that 25% of denticles were damaged in acidified water, compared to 9.2% in a control group.
Researchers at Cornell University have discovered a new ice river forming on the Vavilov ice cap in Siberia, shedding nearly 11% of its mass since 2013. The rapid ice loss is believed to be linked to climate change, which can cause unstable ice shelves and erosion by warm water.
Researchers from University of Maryland provide rigorous mathematical explanation for Batchelor's law, a fundamental concept in fluid mechanics. The proof resolves the uncertainty surrounding the law's applicability and limitations, opening doors to better engineering designs and weather prediction models.
An ice-free Arctic region could lead to increased global warming, but also offer benefits like reduced shipping distances and heating demands. IIASA researchers propose strategies to increase the North Atlantic current, which could lower ocean temperatures and mitigate climate change.
The study investigates the physical forces acting on Enceladus that allow the tiger stripe fissures to form and remain in place. The researchers found that the fissures could have formed on either pole, but the south pole's unique deformation led to their formation.
A new European research project, HOTMIC, aims to investigate the fate of microplastic in the North Atlantic Ocean. The study's lead researcher suggests that microplastic particles may be transported by microorganisms or marine animals, which could have a significant impact on the marine ecosystem.
Researchers used computer simulations to investigate wind and water conditions that cause Kemp's ridley sea turtles to become stranded on beaches in Cape Cod. The study found that turtles are more likely to strand when water temperatures drop below 10.5°C and winds blow with high wind stress.
The Bulwer's petrel can fly up to 1,800 kilometers from the Canary archipelago to the Azores in search of food. The new study provides the most comprehensive scientific data on the species' space ecology, diet and daily/annual movement patterns.
An international team of scientists analyzed 3 million species records from 200 ecological communities worldwide to reveal the impact of ocean warming on fish communities. The study found that subtle changes in species movement in response to rising temperatures made a significant impact on the global picture.
Marine researchers investigated adaptability of marine organisms to highly acidified seawater after earthquake and typhoon hit a volcanic island. Organisms were able to adapt to changes in biogeochemistry, providing insights into effects of ocean acidification on marine communities.
Researchers have developed a new oxygen evolution reaction catalyst that can produce hydrogen from seawater at current densities capable of supporting industrial demands. The catalyst requires relatively low voltage to start seawater electrolysis and avoids obstacles that limited earlier attempts.
Tropical Storm Matmo is located in the center of the Bay of Bengal with maximum sustained winds near 63 mph. The storm will strengthen to 85 knots but weaken rapidly before making landfall just east of Kolkata on Nov. 9.
A UCL-led research team has successfully created self-assembling protocells in hot, alkaline seawater, a key stepping stone to cell-based life. The study suggests that heat and alkalinity are necessary for the formation of life, adding weight to the theory that deep-sea hydrothermal vents could be the origin of life.
A group of seven snorkelling grandmothers has helped scientists document a large and previously underestimated population of venomous greater sea snakes in the bay. The project revealed over 249 individual snakes, with new information on breeding patterns and numbers of young.
New research reveals that warm ocean water is attacking the undersides of Antarctica's ice shelves, weakening their edges and making them more vulnerable to breakup. This process can lead to increased rates of sea-level rise, as ice on land flows quickly into the ocean.
Scientists have identified proteins that allow archaea to adapt to extreme water temperatures, providing a new method for estimating historic ocean temperatures. The discovery resolves uncertainties in the use of archaeal lipids as paleotemperature proxies.
Tardigrades' protein Dsup protects cells from X-rays and hydroxyl radicals by binding to chromatin and forming a shield. This mechanism may help develop animal cells that can live longer under extreme conditions.
A recent study on the Great Barrier Reef found that living coral cover can slow future reef dissolution due to ocean acidification. The experiment used a controlled system to simulate high CO2 conditions and showed that living corals were more resilient than dead ones, which would dissolve earlier.
A new satellite mission, SWOT, will enhance flood modeling globally, even in extensively studied regions. It will provide more accurate floodplain maps and predictions for areas affected by snowmelt, hurricanes, and ice jam breakup.
The 'Flying Fish' robot uses a water-reactive chemical reaction to create gas, which propels it out of the water and into a glide of up to 26 meters. The robot can travel long distances without additional power, making it suitable for collecting water samples in hazardous environments.
New research reveals that microorganisms in the Pacific Ocean's oxygen-free zone remove up to 80% of the methane produced, reducing its release into the atmosphere. The discovery has significant implications for understanding the ocean's role in regulating greenhouse gas emissions.
A study published in Estuarine, Coastal and Shelf Science found that high-tide water in Willapa Bay's tidal flats takes multiple tidal cycles to fully replace, leading to differences in oyster growth. This slower turnover affects the quality of oyster beds, with regions having 'old' water showing lower levels of nutrients.
Changes to environmental conditions may be causing corals to lose their synchronized mass-spawning strategy, which could drive aging populations to extinction. This desynchronization poses a previously unnoticed threat to coral survival, with implications for global reef health.
A rapid-response oceanographic expedition studied the Kilauea Volcano's impact on marine ecosystems. High concentrations of nitrate in seawater triggered a strong phytoplankton bloom, contrary to expectations that lava would contain little nitrogen.
Scientists have found that the blue-banded sea snake uses a vascular network in its head to absorb oxygen from the surrounding water, allowing it to stay submerged for longer periods. This unique adaptation enables the snake to thrive in tropical waters with minimal surface exposure.
Research reveals that horizontal and vertical circulation of carbon-rich ocean water in the subpolar Southern Ocean work together to control carbon storage and release. The study found that large gyres, such as the Weddell Gyre, play a key role in transporting carbon-containing phytoplankton out of the region.
Scientists have discovered fresh water leaking from the seabed in the Norwegian Sea, similar to a large underwater aquifer found in the Atlantic Ocean along the US East Coast. The aquifer could be a potential resource for areas with no drinking water on land.
A new study reveals that biological processes in the polar Southern Ocean are the key drivers of carbon dioxide absorption, challenging existing assumptions. This finding has significant implications for understanding past and future climate change.