Articles tagged with Atmospheric Structure
Researchers at Kyushu University found that rising CO2 levels in the atmosphere may lead to disruptions in shortwave radio communications, including systems used for air traffic control and maritime communication. The ionosphere's cooling due to global warming causes a decrease in air density and accelerates wind circulation.
Research shows strong Midwest summer storms can puncture the stratosphere, bringing aerosols and burning biomass from western wildfires. This could affect the ozone layer's stability and warm the stratosphere.
Researchers synthesized three porphyrin-based COF materials with tunable structural distortion, revealing correlations between linker distortion and material properties. The NN-Por-COF photocatalyst exhibits exceptional CO2 reduction performance under simulated industrial flue gas conditions.
Dr. Wei Li is creating a virtual lunar welding platform to simulate welding in the moon's harsh environment, addressing temperature fluctuations and extreme vacuum conditions. The project aims to enable reliable large structure assembly on the moon, a crucial step for human colonization.
A team of researchers from Télécom Paris and Politecnico di Milano has developed a system of optical micro-antennas integrated into a programmable photonic chip, which can adapt in real time to restore chaotic signals. This innovation paves the way for chaos-based encryption for secure high-speed communication in hostile environments.
Researchers at SwRI and U-M have created a new methane flare burner using additive manufacturing and machine learning that eliminates 98% of methane vented during oil production. The burner's design, with a complex nozzle base and impeller, allows for efficient combustion even in challenging crosswind conditions.
Researchers at Max Planck Institute for Sustainable Materials have developed a novel method to create lightweight, nanostructured porous martensitic alloys by harnessing dealloying and alloying processes. The approach enables CO2-free and energy-saving production of high-strength materials.
A new Yale University-led study suggests that elevated marine iodine concentrations delayed the creation of a stable ozone layer, preventing complex life from evolving unimpeded. This delay may have contributed to the tardy emergence of land plants and animals on Earth.
A recent study used NMR methods to investigate rare 300-century wooden structures from the Roman Empire, shedding light on their history and behavior in water. The analysis revealed valuable insights into the structure and changes of archaeological wood remains, contributing to the preservation of heritage for future generations.
The Amazon rainforest is a significant source of condensation nuclei for clouds, according to two studies. The rainforest's plant transpiration and thunderstorms produce aerosol particles that can be transported thousands of kilometers, influencing marine cloud formation.
Researchers at Pohang University of Science & Technology (POSTECH) developed a smart insect screen-inspired film that regulates solar heat and lowers interior temperatures. The breakthrough, published in Advanced Functional Materials, achieves both transparency and radiative cooling performance.
Researchers found that the El Niño oscillation persisted at least 250 million years ago, with more intense temperature swings. The study suggests that atmospheric noise from ocean surface winds plays a key role in the oscillation's magnitude.
A new AI model called Crystalyze can analyze X-ray crystallography data to determine the structure of powdered crystals. The model was trained on a database of over 150,000 materials and successfully predicted structures for over 100 previously unsolved patterns.
A new model developed by scientists can predict intense, localized heavy rainfall events caused by rapid air rises in clouds. This breakthrough offers potential to improve public safety and preparedness through early warning systems.
A new study suggests that the sun's magnetic field could arise from instabilities in the outermost layers of the sun, rather than deep within. This finding may enable scientists to better forecast solar activity and space weather.
The University of Washington's STRIVE project aims to understand the troposphere and stratosphere, where the ozone layer resides, and their interface. This will help monitor changes in the ozone layer, air quality, and climate processes.
Researchers developed a displacement-type ferroelectric material with high dielectric constant by incorporating rubidium ions into perovskite compounds. The material exhibits unique distortions and phase transitions across a broad temperature range.
Researchers developed a high-resolution lidar technique that can measure cloud droplet number concentrations remotely. The device provides unprecedented fine-scale structure at the base of clouds, enabling scientists to gain insight into aerosol-cloud interactions and their impact on climate.
Researchers demonstrate how a simple mirror design can amplify radiative cooling processes for buildings. The mirror structure effectively guides thermal radiation towards the most transmissive portion of the atmosphere, increasing cooling power.
Scientists have developed a nanoporous magnesium borohydride structure that stores five hydrogen molecules in three-dimensional arrangement, achieving unprecedented high-density hydrogen storage. The material exhibits a capacity of 144 g/L per volume of pores, surpassing traditional methods and offering a promising alternative to large...
Researchers at UBC Okanagan have developed a new modeling framework called TOSCA, which helps improve wind energy forecasts and productivity. The framework can capture the interaction between large wind farms and the oncoming wind, leading to more accurate estimates of power output.
Researchers investigate impact of different geometric porosities on aerodynamics of supersonic parachutes. The study reveals that porosity structures have little effect on flow field mode and pressure distribution, but affect drag performance, with single-seam models showing better stability.
Dr. McKay will investigate the chemical composition of chromophores in DOM using advanced analytical tools and conduct measurements at the National High Magnetic Field Laboratory. His research aims to enhance predictions regarding DOM behavior and reactivity in the environment.
Researchers at Pusan National University have developed a new adsorbent that utilizes problematic protons in acidic wastewater to enhance the removal of radioactive cesium ions. The adsorbent, potassium calcium thiostannate, shows improved capacity under strongly acidic conditions.
Scientists at Rice University found a natural 150-day cycle in the north-south oscillation of atmospheric pressure patterns, influencing hemispheric-scale precipitation and ocean surface wind stress. This discovery challenges conventional wisdom about atmospheric organization and has implications for climate modeling.
A team of researchers has developed a novel technique using high-energy muon particles to track and visualize tropical cyclones. This technique, called muography, creates X-ray-like images of large objects, including atmospheric weather systems. The resulting images reveal density variations essential to understanding how cyclones work.
A team of scientists from the University of Exeter has made a key breakthrough in predicting fluctuations in the rotation of the Earth and the length of the day. They used mathematical modeling to show that changes in the atmosphere can be predicted more than a year in advance, linking geodesy with climate prediction.
A recent study analyzing air bubbles preserved in Antarctic ice for up to 1.5 million years suggests that glacial erosion is likely responsible for the decline of atmospheric oxygen levels over the past 800,000 years.
The tropopause is rising at a steady pace since 1980 due to human-induced warming of the lower atmosphere. This trend continues even as stratospheric temperatures stabilize after ozone depletion efforts.
Researchers found that during hothouse periods, Earth may have experienced cycles of dryness followed by massive rain storms. This unexpected atmospheric state sheds light on Earth's distant past and far-flung future, potentially helping to understand climates of exoplanets.
Jupiter's banded pattern extends deep beneath the clouds, and the appearance of its belts and zones inverts near the base of the water clouds. The planet's microwave emissions reveal a transition zone between five and 10 bars, where the zones become bright and the belts dark.
Researchers used Hubble Space Telescope observations and theoretical models to study a broader population of hot Jupiters. The study provides insight into planet formation and suggests that these planets contain similar sets of molecules, including water and carbon monoxide.
The discovery suggests a long-term presence of a water vapor atmosphere only in Europa's trailing hemisphere. This finding advances our understanding of the atmospheres of icy moons and paves the way for future studies of Europa by probes like NASA's Europa Clipper mission.
The coastal Northeastern US is heating at a rate twice as fast as other regions, driven by rapid ocean warming and changes in atmospheric circulation. Significant summer warming along the coast is also occurring.
A new study using Argo system ocean temperature data refines climate modeling predictions by identifying models most consistent with observations. The analysis shows that land and air temperatures only tell part of the story, with oceans storing 90% of the planet's heat.
Tropical Storm Greg is losing shape due to dry air in the surrounding atmosphere, resulting in a less-rounded tropical cyclone. Maximum sustained winds are near 45 mph with higher gusts, weakening is forecast during the next 48 hours.
The Juno mission has revealed cyclones on Jupiter's poles with diameters up to 1,400 kilometers across. The spacecraft also detected a massive magnetic field that is substantially stronger than models predicted, potentially powering the planet's huge aurorae.
The HI-C mission will observe the solar corona at a resolution of up to 100 miles, surpassing existing instruments. The telescope's finely crafted mirrors, some of the best ever made, will capture structures in the sun's atmosphere with unprecedented detail.
A 6.5m telescope mirror is transported from the US to Chile's Atacama Desert, renowned for its stable and dry atmosphere, to conduct astronomical observations. The mirror will be installed as part of the Magellan Twin Telescope project at the Las Campanas Observatory, enabling studies of the Milky Way, star formation, and the universe.
A study by Cornell University researchers found that most buildings in the Northeast region exceeded minimum building code requirements for snow loads during the Blizzard of '96. The accumulation of snow from two storms led to increased snow weight on roofs, causing collapses in some areas.
Scientists have successfully carried out a chemical reaction in the world's smallest test tubes, carbon nanotubes with diameters less than ten nanometers. The research could lead to the production of new types of nanoscale devices, such as metallic wires and electronic emitters.