Articles tagged with Oceanography
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.
A new study reveals that fully and highly protected marine reserves successfully curb industrial fishing activity, offering a powerful new way to assess fishing compliance. The research combines satellite imagery and AI technology to detect previously untraceable vessels, finding that most MPAs are well-respected and effective in deter...
Scientists discovered that marine copepods rely on both genetic and epigenetic changes to survive climate change. Epigenetic changes, which are temporary chemical modifications, play a crucial role in helping these tiny crustaceans adapt to ocean acidification and warming conditions.
Two studies found that industrial fishing is rare in fully and highly protected marine areas, averaging just one vessel per 20,000 square kilometers. However, nearly half of the world's coastal MPAs showed evidence of industrial fishing, with factors like MPA size and remoteness more predictive of fishing presence than official protect...
A recent study led by Kelton McMahon at the University of Rhode Island's Graduate School of Oceanography found that coral reef food webs are more fragmented and specialized than thought. The researchers used a novel technique called compound-specific stable isotope analysis to trace energy flows through the ecosystem, revealing distinc...
Researchers have developed a mechanical adhesive device that can attach to soft surfaces underwater, inspired by the hitchhiking sucker fish. The device uses pressure-based suction and has enhanced adhesion capabilities, making it suitable for delivering drugs in the GI tract or monitoring aquatic environments.
A recent study found that the 2014-2016 Northeast Pacific marine heatwave caused unprecedented ecological disturbance, resulting in widespread kelp and seagrass declines and mass mortality events. The research highlights cascading impacts on species interactions, plankton communities, and offshore ocean productivity.
Research reveals key differences in how ocean viruses affect carbon flow, with potential climate implications. RNA viruses disrupt carbon and nutrient recycling, making it harder for bacteria to break down organic matter.
Scientists reconstructed ocean pH levels 201 million years ago and found a massive drop in acidity, leading to mass extinction. The research links this event to volcanic activity and a significant increase in atmospheric CO2.
Located in the western Mediterranean Sea, the Caprera Canyon is home to a high concentration of cetacean species. The canyon's unique geography supports a diverse array of marine life, including whales and dolphins.
Researchers found that sewage spills from land to sea coincided with winds of at least 6.5m/s on 178 days within a two-year period, potentially sending microplastics into the air. The study suggests that coastal towns and cities may be exposed to billions of airborne microplastic particles.
Researchers will study how ocean currents and nutrients from land influence the health and productivity of MCEs, which support diverse marine life and important fisheries. The project aims to fill critical knowledge gaps and provide science-based solutions for environmental protection and sustainable growth in the gulf region.
Researchers discovered Polarella, a type of dinoflagellate, in the Eastern Tropical North Pacific Ocean, which contributes significantly to global primary production. The study found increased stress response genes and opportunistic lifestyle in Polarella, suggesting its ecological and biogeochemical role in tropical oceans.
A new autonomous underwater vehicle (AUV) imaged a previously unexplored portion of the seafloor in ultra-deep waters near the Mariana Trench. The OECI partnered with Orpheus Ocean and federal agencies to advance understanding of critical minerals.
Researchers have observed Pacific sleeper sharks displaying aggressive and queuing behaviors while feeding on a cow carcass in the deep sea. The study provides insights into the species' distribution range and predating behavior in this previously unexplored habitat.
A study by KIOST finds rising sea temperatures causing Turbo sazae to expand its habitat 37 degrees north, indicating climate-driven shifts in marine ecosystems. The research analyzed genetic connectivity and physiological responses of the mollusk to warmer waters.
Researchers have discovered a sudden rise in surface salinity south of 50° latitude, coinciding with a dramatic loss of sea ice around Antarctica. The findings suggest a dangerous feedback loop where less ice leads to more heat, which leads to even less ice.
A groundbreaking study reveals that small zooplankton like copepods and krill enhance carbon sequestration through seasonal migrations. These tiny creatures store around 65 million tonnes of carbon annually in the deep ocean.
A USC-developed shipboard system using limestone and seawater can remove up to half of carbon dioxide emitted from shipping vessels, cutting maritime CO2 emissions by 50%. The process mimics a natural chemical reaction in the ocean, where CO2 is absorbed into water pumped onboard and then neutralized through a bed of limestone.
Researchers found five periods of decreased ocean oxygen concentrations coinciding with increased carbon dioxide levels 300 million years ago. This discovery highlights human-driven carbon dioxide emissions as a significant threat to marine biodiversity.
Researchers analyzed ancient sedimentary rocks to understand oxygen and CO2 levels during the Late Paleozoic Ice Age, finding rapid drops in carbonate uranium isotopes alongside rising atmospheric CO2. This suggests seafloor anoxia expanded even with high oxygen levels.
A new study reveals that global marine biodiversity data is heavily biased towards shallow waters and vertebrates, with vast areas of the deep sea and invertebrates poorly represented. The findings highlight the need for prioritized sampling to fill these gaps and support sustainable ocean management.
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.
Research shows that island rivers shape reef passes, allowing seawater and nutrients to flow in and out. The locations of reef passes align with where rivers funnel out from an island's coast, providing circulation throughout the reef.
The Barents Sea system – gateway to the changing Arctic book documents six years of interdisciplinary research on the Barents Sea. Researchers used various platforms, including drones, satellites, and underwater robots, to collect data and make predictions about future changes.
Marine food webs could be impacted as ocean 'greening' shifts phytoplankton biomass. Phytoplankton act like sponges absorbing CO2 during photosynthesis, influencing climate warming.
A study of 151 bluebottle specimens found four distinct species with unique morphologies and genetics, contradicting the long-held assumption of a single globally distributed species. The research team matched genomic lineages with physical forms identified from citizen-science images, verifying previously proposed but dismissed species.
Longer winter sea ice duration is associated with a 20% increase in atmospheric CO2 absorption by the Southern Ocean. Sea ice protects the ocean from strong winds, allowing it to absorb more CO2 during winter.
A new study published in Frontiers in Robotics and AI explores the use of artificial intelligence to detect live oysters. While the AI model ODYSSEE shows promise, it lags behind humans in accuracy, correctly identifying live oysters at a rate of 63% compared to 74% for expert annotators.
A recent study has gathered the first video evidence of anchoring and chain damage in Antarctic waters, highlighting a critically understudied conservation issue. The research found that anchor impacts can cause localized destruction to seafloor habitats, leading to the loss of slow-growing, sessile species.
The Global Declaration of Commitment for Scientific Ocean Drilling aims to promote global cooperation and collaboration in ocean science. The declaration sets out core principles for transparent access to data and samples, inclusive participation, environmental responsibility, and alignment with the UN SDGs.
Researchers uncover valuable insights into past climate scenarios and marine ecosystems through ancient sediment cores. The study highlights the need for more data to improve future climate models and transform our understanding of Earth's complex life systems.
A new study by MIT researchers suggests that microplastics are less likely to accumulate in sediment infused with biofilms, which can resuspend particles and carry them away. In contrast, areas of bare sand can become hotspots for microplastic accumulation due to the lack of biofilm.
A new study projects that wind-driven changes in ocean circulation will intensify the cooling effect in the North Atlantic by 2040, with potential implications for precipitation levels and temperatures over Europe.
A new study reveals that industrial iron from coal and steel industries is altering the North Pacific ecosystem, leading to changes in phytoplankton growth and nutrient cycles. The research found that increased iron supply boosts spring phytoplankton blooms but also depletes other nutrients, resulting in a crash later in the season.
Dr. Livingston reflects on her decades-long career as a fisheries scientist, overcoming biases and challenges in the male-dominated field. She notes that cultural and language barriers were common, but women's emotional intelligence helped smooth interactions with foreign skippers.
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.
A new study predicts that limiting warming to 1.5°C could preserve over half of the world's glacier mass, but even at this level, 39% of glacier mass would still disappear due to delayed climate change reactions.
The ECORD event will explore the importance of scientific ocean drilling in understanding Earth's systems and addressing environmental challenges. Key findings include the establishment of the new International Ocean Drilling Programme (IODP3) and its potential impact on global scientific cooperation.
A new study from Caltech finds that the Atlantic meridional overturning circulation, commonly referred to as the AMOC, will weaken by around 18 to 43 percent at the end of the 21st century. This represents a limited decline, rather than substantial weakening as previously predicted, addressing a long-standing uncertainty in climate sci...
A team of researchers from Syracuse University and MIT has uncovered evidence that oxygenation in the ocean—crucial for life as we know it—may have occurred earlier than previously thought. This finding provides new insights into the pace of biological evolution in response to rising oxygen levels.
The global ocean has experienced a significant reduction in the depth of its photic zones, home to 90% of all marine life, leading to widespread ocean darkening. This change could have profound implications for the planet's marine species and ecosystem services.
Scientists on IODP³-NSF Expedition 501 aim to validate hypotheses about water origin and better understand offshore aquifer systems. The expedition will collect sediment samples and water from beneath the ocean floor, shedding light on the dynamics of these groundwater systems.
A new study has uncovered previously hidden patterns of plankton adaptation in response to environmental changes. The analysis showed that plankton lipid profiles are closely linked to their environment, with adaptations including shortening fatty acid chains in cold polar oceans.
Researchers have developed an image-analysis tool called SeaSplat that cuts through the ocean's optical effects and generates images of underwater environments with accurate colors. The team paired SeaSplat with a computational model to convert images into three-dimensional underwater worlds, allowing for virtual exploration.
Clownfish have been shown to shrink in response to heat stress and social conflict, increasing their survival chances by up to 78%. The study also reveals that coordination with breeding partners is crucial for surviving heatwaves when shrinking.
Researchers have developed a comprehensive system to identify the diversity of reef-building corals using environmental DNA (eDNA) metabarcoding. This new method successfully detects 83 of 85 genera of Scleractinia in Japan, providing a powerful tool for efficient monitoring and conservation of coral reefs.
Researchers linked comprehensive datasets with physical ocean processes to understand the exceptional marine biodiversity around the Cape Verde Archipelago. The study identified three key mechanisms driving nutrient transport and found that physical dynamics influence not only productivity but also the type of organisms present.
The São Paulo School of Advanced Science on Ocean Literacy is open to graduate students, postdoctoral researchers and professionals interested in ocean science and sustainability. The school will bring together experts and participants for a transdisciplinary discussion on the UN Ocean Decade's Vision 2030 ambitions.
A new study reveals a strong correlation between sediment changes and global cooling in the Northern Hemisphere 3.6 million years ago. The findings suggest profound changes in deep water currents occurred at this time, impacting Atlantic Ocean heat and salt distribution and ice-sheet expansion.
Researchers discovered that soil carbon turnover accelerates rapidly in response to temperature increases, releasing more CO2 than previously thought. This finding has significant implications for the future of atmospheric CO2 concentrations and highlights the need to revise soil sensitivity in climate models.
A new study reveals that the negative effects of the ozone hole on the Southern Ocean's carbon uptake are reversible, but only if greenhouse gas emissions rapidly decrease. The study found that as the ozone hole heals, its influence on the ocean's carbon sink diminishes, while the influence of greenhouse gas emissions rises.
Researchers have discovered that urban areas experience a greater difference in wet bulb globe temperature between 0.5 m and 1.5 m above ground due to surface heat radiation, posing health risks to children and pets during extreme heat events. Total solar eclipses also alter atmospheric conditions and insect behavior, with some species...
Researchers developed a large-scale indoor typhoon simulation tank to measure momentum, heat, and CO2 transfer at the air-sea interface. Their findings revealed key correlations between wind speed, wave morphology, and transport phenomena under extreme conditions.
A new study reveals that the Pacific Meridional Mode plays a major role in Hawaiian rainfall variability, particularly in spring. The research suggests that El Niño emerges as the primary driver of winter rainfall, but the PMM is crucial for spring rainfall, especially on Maui and the Island of Hawai‘i.
The observation pyramid uses different robot platforms to survey ocean areas, enabling flexible task management. Autonomous robotic organizations will reduce costs, improve mission efficiency and increase system robustness.
New study models spatial patterns of grazing halos around coral reefs and finds that halo patterns can signal reef resilience. The research suggests that stable halos exist where herbivores are limited by predators, while oscillating halos may indicate a shift in system health.
The American Meteorological Society warns that catastrophic cuts to federal science agencies like NOAA threaten the US weather enterprise, which supports public safety, private sector operations, and national security. A strong weather enterprise is essential for America's economic leadership.
A new database of 400 years of sightings compiled by researchers at Colorado State University may help anticipate when and where milky seas will occur. The archive includes eyewitness reports, satellite data, and individual accounts submitted to the Marine Observer Journal.
Xiamen University has joined the Bentham Science Institutional Membership Program to enable researchers to publish Open Access at concessionary rates in Bentham Science journals. The program promotes open research and fosters scientific advancements globally.
Researchers developed a machine learning-powered fluid simulation model that significantly reduces computation time without compromising accuracy. The new surrogate model maintains the same level of accuracy as traditional particle-based simulations while reducing computation time from approximately 45 minutes to just three minutes.