Articles tagged with Ocean Waves
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Researchers have created and controlled surface plasmon wakes of light-like waves on a metallic surface, demonstrating a new technology with potential applications in nanotechnology and optics. The discovery uses a faster-than-light running wave of charge along a metamaterial to create and steer the wakes.
Researchers at RIKEN discovered that photons exhibit a quantum spin Hall effect, leading to unusual properties and topological phenomena. This finding has implications for the development of optical devices and materials science.
A study published in ACS Central Science reveals how the chemical composition of ocean aerosol particles influences their ability to form clouds. The new method categorizes particles based on their likelihood of taking up water, providing a more precise measure of cloud-formation potential.
Scientists are conducting experiments to study the motions, forces, and pressures generated by waves on planing-hull boats. This research aims to reduce weight while maintaining structural adequacy, enabling Navy boats to travel faster in higher seas states.
UTSA College of Sciences faculty members Stephen Ackley and Blake Weissling will embark on a 42-day trip to the Arctic Ocean to study the diminishing ice cover. They will join a team of scientists from around the world, including UTSA students who have conducted ice research in the region before.
Kelvin-Helmholtz waves frequently occur at Earth's magnetopause, changing radiation belt energy levels and impacting spacecraft technology. Researchers used THEMIS data to find that these waves happen 20% of the time, providing new insights into the magnetosphere's basic physics.
A team of researchers, led by Yuri Lvov, has discovered that the key to thermalization in the FPU system lies in a gradual transfer of energy during coincidences of six modes. This nonreversible process leads to the irreversible transfer of energy and the eventual approach to thermal equilibrium.
Researchers have created a new method to observe subsurface structures using ambient ocean waves, offering real-time monitoring of offshore oil and gas fields with less disruption to marine life. This technique reduces costs and environmental concerns associated with traditional seismic surveys.
A team of NYU and University of Barcelona physicists developed a method to control spin waves in magnetic materials, which can efficiently transfer energy and information. The breakthrough has the potential to improve information processing and reduce energy consumption.
A two-year international project will analyze wave energy transformations between sea and cliffs, using laser technology to compile detailed profiles of coastal rock surfaces. The study aims to improve predictions of coastal erosion and provide a greater understanding of potential threats to rocky coastlines.
Princeton researchers find that bursting bubbles inject tiny oil droplets into water when covered with a layer of oil. The discovery provides new insight into the mixture of non-soluble liquids and has potential applications in industries such as drug manufacturing and oil spill cleanups.
Researchers found that trapped atmospheric waves are becoming more frequent, leading to more extreme weather events, particularly during periods of prolonged warm air transport from the tropics to mid-latitudes.
A NASA satellite captured images of Tropical Depression 2, which had weakened and degenerated into a tropical wave. The depression's remnants are expected to move through the Lesser Antilles, bringing gusty winds and showers.
Researchers found that global climate models fail to accurately represent the characteristics of airborne African dust, which influences Atlantic Ocean hurricanes. Surface waves in the central Beaufort Sea also play a role in energy and nutrient transport, contributing to ice retreat and potentially exacerbating coastal erosion.
Researchers at University of Washington estimate up to half of recent Greenland warming is caused by tropical Pacific climate variations rather than global warming. This finding highlights the complexity of regional climate changes and the need for more accurate long-range projections.
Scientists have found that temperature variations deep within the Earth's mantle influence mid-ocean ridge elevation and volcanic hotspots, resolving a long-standing controversy. The study analyzed seismic wave data and rock chemistry to determine that higher mantle temperatures are associated with thicker crust and volcanic activity.
New radar measurements suggest Ligeia Mare on Titan is eerily still, with surface waves smaller than one millimeter. The solid terrain surrounding the sea may be composed of solid organic materials instead of frozen water, similar to Earth's early evolution.
Researchers at UCLA have made major improvements in computer processing using multiferroic magnetic materials, reducing wasted heat and increasing power efficiency by up to 1,000 times. This breakthrough could make future devices more energy-efficient than current technologies.
Researchers at New York University have created a method to generate short-wavelength spin waves, which can efficiently transfer energy and information in magnetic materials. This breakthrough has the potential to improve communication and electronic devices by offering faster and more energy-efficient alternatives to traditional elect...
A new technique developed by Stanford scientists uses weak ocean vibrations to predict the ground movement and shaking hazard from real quakes. The approach was used to confirm a prediction that Los Angeles will experience stronger-than-expected ground movement if a major quake occurs south of the city.
The study found that low-frequency waves, known as Ultra-low frequency (ULF) waves, accelerate particles in the radiation belts to near-light speed. This mechanism has important implications for understanding cosmic particle acceleration throughout the universe.
Research led by ANU Vice-Chancellor Professor Ian Young uses satellite data to track wave decay and develop a mathematical formula for predicting swell action. The study provides comprehensive data on the rate of decay, which will increase the accuracy of wave predictions for industries such as shipping and surfing.
French researchers create sophisticated model to study geophysical vortices, which can impact weather forecasting and environmental monitoring. The study reveals that strong background rotation suppresses radiative instability in vortices.
A new study suggests that a 'stadium wave' signal in ocean, ice, and atmospheric circulation regimes may explain the recent global warming hiatus. The 'stadium wave' propagates like a sports stadium crowd standing and sitting, with different regions responding to changes in temperature and sea ice extent.
The QPE team studied the impact of Typhoon Morakot on the East China Sea, examining freshwater run-off, upwelling, and biogeochemistry. They also investigated internal waves, measuring their size, shape, and direction using sonar to track plankton movement.
Researchers tracked 800-foot-high waves in the Samoan Passage, a key bottleneck for ocean circulation. The waves produce mixing 1,000-10,000 times that of surrounding slow-moving water.
Researchers used seismic waves to discover long 'fingers' of heat in Earth's upper mantle, stretching thousands of miles. These finger-like structures carrying heat interact with tectonic plates and hot plumes, influencing the formation of hotspot volcanoes.
Researchers at Universidad Carlos III de Madrid have successfully created a frozen wave by applying digital processing and laser visualization techniques. This breakthrough allows for the study of waves in motion, improving predictions of wave impact on marine structures and aiding in understanding oceanographic phenomena.
A study by University of Utah researchers found that superstorm Sandy caused significant seismic activity along the East Coast as well as in the Atlantic Ocean. The storm's 'standing waves' created energy at the seafloor, detectable by seismometers across the US.
The NASA Wind spacecraft has detected 'SLAMS' waves in the region between the Earth's magnetosphere and the sun, showing that these structures may accelerate narrow jets of charged particles. The discovery provides new insights into how radiation and energy from the sun can cross the magnetosphere and impact near-Earth space.
Large chunks of the Farallon oceanic plate are still present under parts of central California and Mexico, according to new research. The researchers used seismic tomography and other data to show that part of the Baja region and part of central California sit atop 'fossil' slabs of the Farallon plate.
A study by the Potsdam Institute for Climate Impact Research suggests that man-made climate change traps giant waves in the atmosphere, leading to extreme weather events. The researchers found that prolonged periods of heat stress can occur when warm air is unable to escape, resulting in devastating consequences.
Researchers found a Florida-sized zone of partly molten rock beneath the Pacific Ocean, which could trigger massive eruptions. The collision between two or more continent-sized piles may lead to supervolcano-like eruptions and large igneous provinces.
Researchers propose a new hypothesis, the retention theory, to explain the ribbon's width, suggesting solar wind particles become trapped due to intense waves and vibrations in the magnetic field. This theory agrees with available observations and provides insight into how our heliosphere interacts with the universe.
A University of Rhode Island graduate student is using ocean waves to study the geologic structure beneath the Earth's surface. By analyzing seismic wave velocity near an underwater plateau, scientists can infer its formation process.
Researchers describe a new method for invisibility cloaking using ocean floor topography to shield floating objects from waves. By manipulating internal waves, objects can be protected from surface waves, offering potential benefits for offshore structures and fishing.
Scientists from NASA's Goddard Space Flight Center directly observed Kelvin-Helmholtz waves in the solar wind, allowing energy transfer into near-Earth space. The presence of these waves enables charged particles to breach Earth's magnetic shield, altering the magnetosphere's behavior.
Super Typhoon Jelawat brought extremely rough seas to areas in the western North Pacific, with waves reaching 40 feet. The storm was approaching Okinawa, Japan, where a warning level TCCOR-1 was issued due to destructive sustained winds of 50 knots or greater.
A new type of light beam, called a needle beam, has been created by Harvard researchers. This non-diffracting beam can travel long distances without spreading outwards, which could greatly reduce signal loss in on-chip optical systems.
Researchers used ambient seismic noise to search for a pre-seismic signal before the 2004 Parkfield earthquake, but were unable to detect any changes. The study placed an upper limit on how large such a signal might be, depending on its duration and location.
The Navy awarded nearly $4.5 million to six research projects led by Scripps Institution of Oceanography researchers, including Eric Terrill, to acquire instruments from California and Massachusetts manufacturers. The funding will support studies in coastal oceanography, deep-ocean acoustics, and other areas.
Scientists investigate constant lower crustal temperatures and variable water contents in mafic melts from the SW Japan arc, linking magmatic water to differentiation of arc magmas. High-resolution carbon-14 dating reveals lamination rates influenced by climate and lake geochemistry in ancient stromatolites. Methane seeps are found as ...
Scientists have discovered a new understanding of the Earth's mantle beneath the Pacific Ocean, revealing that the Gutenberg discontinuity is closely related to the lithosphere-asthenosphere boundary. The study suggests that partially molten rock plays a key role in forming the Gutenberg discontinuity.
Researchers at University of Utah designed a new game controller that vibrates and stretches the thumb tips to simulate real-world sensations. The device delivers directional cues by stretching the skin of the thumb tips in different directions.
Researchers at Brown University have developed a biochip that can measure glucose levels in saliva, providing a potential solution for non-invasive diabetes monitoring. The biochip uses surface plasmonics to detect glucose molecules in water, with results showing concentrations similar to those found in human saliva.
Researchers have detected Schumann resonance in space using the VEFI instrument aboard the C/NOFS satellite, finding waves of extremely low frequency that can be as low as 8 Hz. This discovery provides a new tool to study Earth's weather, electric environment, and atmospheric composition from above.
A study led by the University at Buffalo reveals that even 'relaxed' systems can exhibit distinct hot and cold spots due to large energy fluctuations. The research raises questions about how energy travels through structures like DNA and the open ocean.
Researchers at Brown University created the highest-resolution picture of the bottom of the lithosphere in southern California, measuring the boundary between the lithosphere and asthenosphere. The study found dramatic changes in lithosphere thickness, revealing new insights into how rifting shaped the region.
Scientists with NASA's Solar Dynamics Observatory (SDO) have tracked Alfvén waves carrying more energy than previously thought, which could drive the intense heating of the corona and solar winds. The study confirms that these waves may be part of a mechanism supplying a huge reservoir of energy at the sun's surface.
Scientists have discovered 'surfer' waves in the sun's corona, which could help explain why it's thousands of times hotter than expected. The waves were captured by NASA's Solar Dynamics Observatory and are thought to be caused by Kelvin-Helmholtz instabilities.
Researchers at Caltech found that warm ocean waters off the eastern coasts of these continents heat the air above it, forming atmospheric waves that draw in cold air from the northern polar region. This process explains why the northeastern United States and eastern Canada experience colder winters than similar latitudes in Europe.
Researchers at TE SubCom have demonstrated a way to boost undersea cable capacity without increasing optical bandwidth. The breakthrough allows for high spectral efficiency channels to be transmitted over longer distances, up to 18,000 kilometers, surpassing previous records.
Researchers at the University of Bristol have developed a method to measure the movement of the Earth's deep interior, which controls continents and ocean locations. This technique uses seismic waves to study the properties of a mysterious layer called D″, where the mantle meets the core.
Researchers use seismic technique to detect boundary between old and new lithosphere beneath the North American continent. The study reveals a layer cake of ancient rock on top of newer material, challenging traditional theories on continental formation.
Researchers will deploy NSF/NCAR Gulfstream V research aircraft to gather data on tropical storms that may become hurricanes. By understanding these storms' formation, scientists can help the National Hurricane Center attain five- or seven-day hurricane forecasts.
Scientists launch Waves, Aerosols and Gas Exchange Study (WAGES) to investigate air-sea gas exchange and its impact on climate. The two-year project uses the Royal Research Ship James Clark Ross to collect continuous measurements of carbon dioxide, sea-spray aerosol, heat, moisture, and momentum.
NASA satellites track Tropical Storm Omais in the Philippine Sea with maximum sustained winds near 46mph. The storm is expected to continue moving northwest and dissipate by the weekend.
Researchers at MIT have discovered a new phenomenon that causes powerful waves of energy to shoot through carbon nanotubes, enabling the production of electricity. The discovery has led to the creation of a system that produces energy about 100 times greater than an equivalent weight of lithium-ion battery.
The seventeenth tropical depression formed in the South Pacific Ocean on February 21 and strengthened into Tropical Storm 17P by February 22. TS 17P has created 15 foot-high waves in open waters and is expected to track through the region, potentially impacting some land areas with gale winds.
Scientists discover that tidal forces may have triggered the devastating Sumatra earthquake of 2004 and that rising levels of atmospheric carbon dioxide are leading to ocean-basin-wide acidification. A new catalog of terrestrial gamma ray flashes has also been created, providing insights into these mysterious bursts of energy.