Articles tagged with Atmospheric Science
David J. Stensrud has been elected as the new President-Elect of the American Meteorological Society (AMS) for 2024, serving a one-year term before becoming President in 2025. The AMS Council, comprising five new members, will take office beginning in 2024.
Researchers found that the coastline produces up to five times more giant sea salt aerosols than the open ocean, affecting cloud formation and rainfall around the Hawaiian Islands. The study's findings can improve numerical weather prediction of nearshore cloud formation and rainfall patterns.
Researchers at Collaborative Research Centre Transregio 172 are studying Arctic amplification, a phenomenon where the Arctic warms at twice the rate of the globe. They've found increased storm activity, wetter atmosphere, and reduced sea ice in recent years.
Researchers from Tampere University discovered that marine organisms can form new atmospheric particles in the South Pacific Ocean, which could help explain climate change predictions. The study found that these particles were formed at night and were accompanied by signs of nitrogenous compounds.
Plants capture more carbon on weekends when industrial production decreases and fewer people commute, finding similar patterns during COVID-19 lockdowns. This improvement in air quality could enhance natural carbon sequestration and mitigate climate change.
A new study from Google DeepMind reveals a machine learning-based weather forecasting model, GraphCast, which achieves better and faster 10-day forecasts than existing approaches. The model performed well even on extreme events not directly trained for, marking a significant turning point in weather forecasting.
Global land water availability declined from 2001 to 2020, primarily driven by Southern Hemisphere climate variability. The region experienced a significant decrease in water availability over the last 20 years, contributing 95% of global variance.
A Cornell University collaboration developed a model to simulate atmospheric transport of microplastic fibers, revealing flat fibers travel farther and are more prevalent than spherical ones. The research could help attribute sources of microplastic particles and inform management plans.
Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.
Scientists have developed a system to detect icing conditions in drones flying over the polar regions, allowing for safer and more efficient data collection. The onboard aerosol counters enable real-time detection of supercooled cloud droplets, which can damage drone components.
The 2024 Ocean Sciences Meeting brings together 5,000 scientists to discuss breaking research and critical issues affecting ocean sustainability. The biennial event will feature an online-only scientific session on Wednesday 21 February.
Researchers at UTSA have been awarded a grant to develop a new technology that converts carbon dioxide into a raw material for producing chemical products. The project has the potential to create a productive area of catalysis research and reduce greenhouse emissions.
Research reveals that Category 4 and 5 hurricanes are arriving three to four days earlier with each passing decade due to climate change. This shift in seasonal cycle can lead to compounding extreme events and challenges community preparedness.
Researchers have identified a new pattern in the global jet stream that locks in extreme winter cold or wet conditions over North America and Europe. The study found that this pattern, known as wave-4, triples the chances of extreme cold or wet, while also causing abnormally warm or dry conditions.
Researchers found an average of 41 microplastic particles per square meter per day settled from the atmosphere, while sediment samples contained denser particles with higher population densities. The study suggests clothing is likely the prominent source of microplastics to the Ganges River system.
Researchers developed a novel solid-state mechanochemical reaction to synthesize FCMs from PTFE and graphite, producing materials with enhanced storage capacity and electrochemical stability. The new method bypasses toxic reagents and offers a safer alternative for practical applications.
A new study found that multiyear La Niña events have become more common over the last 100 years, with warming in the western Pacific Ocean being a key factor. The study suggests that long-lasting La Niñas will exacerbate adverse impacts on communities around the globe.
A research team found that more than 52% of atmospheric gaseous elemental mercury in the Arctic Ocean comes from oceanic evasion, with the Marginal Ice Zone being a key source. The study proposes a mechanism for the summer peak of GEM, driven by sea ice changes and organic compounds.
The State of the Climate report confirms record highs in greenhouse gas concentrations, global sea levels, and ocean heat content. Scientists from over 60 countries contributed to the annual review, providing a comprehensive update on Earth's climate indicators and notable weather events.
A recent study published in Nature Communications found that global PM2.5 exposure decreased significantly from 2011 to 2019, largely due to China's air quality management efforts. The study used satellite-derived data and a new regional decomposition approach to quantify local and regional contributions to global PM2.5 pollution.
A new review explores the effects of air pollution and climate change on children's developmental health, leading to human capital losses. The study highlights three dimensions: health, cognitive ability, and socio-emotional ability, emphasizing the need for a comprehensive evaluation of these impacts.
The American Meteorological Society recognizes Benjamin Santer for his work on climate change detection and attribution. William Kustas receives the Hydrologic Sciences Medal for foundational advances in evapotranspiration measurement and theory. Lixin Wu is awarded the Henry Stommel Research Medal for studies of multi-scale ocean circ...
Researchers discovered that blending crushed rock with arable soil could help reduce global temperatures. The process, known as enhanced chemical weathering, works by releasing calcium and magnesium from rocks, which bind atmospheric carbon dioxide and prevent its release back into the atmosphere.
A new study reveals that domestic firelighters emit more black carbon than all biomass fuels combined, posing a significant threat to air quality and climate change. The research found that even small quantities of firelighter use can have devastating effects on human health and the environment.
A new study reveals that the Pacific Walker Circulation has changed its behavior over the industrial era, with volcanic eruptions causing temporary weakening of the circulation. This could lead to more frequent multi-year La Niña or El Niño events, exacerbating climate-related risks.
A team of researchers has determined that microplastic particles are present in the marine atmosphere, even in remote parts of the world. The study found that different types of plastics, including polyester and polyethylene terephthalate, were detected in air samples collected from various sites along the Norwegian coast.
Researchers linked chemical changes in seawater to volcanic activity and climate change, with a 7-fold decrease in lithium concentration over the past 150 million years. This shift is attributed to reduced seafloor hydrothermal activity, influenced by tectonic plate movements.
The Brazilian coast, particularly in South and Southeast regions, is experiencing increasingly extreme surface air temperatures and more frequent swings from heat to cold. Biodiversity and public health are affected, with rising mortality rates among animals and humans.
A study by the University of Helsinki found that oxidized organic molecules from Amazon rainforests contribute to the formation of aerosol particles in the tropical free troposphere. These molecules, primarily composed of isoprene, can nucleate or condense on nanoparticles, impacting cloud formation and global climate.
Researchers have found a surprising correlation between global seismic activity and changes in cosmic radiation intensity, potentially aiding in earthquake prediction. The periodicity of this phenomenon has been identified as every 10-11 years, but its exact cause remains unknown.
Astronomers have discovered an Earth-sized planet, LP 791-18d, with active volcanoes that could sustain an atmosphere, potentially allowing for liquid water and life. The planet's unique tidal locking creates a permanent day and night side, with the night side possibly experiencing condensation of water vapor.
Researchers developed a new hydrogel material with a Janus structure, combining ultra-lightweight and super-hydrophobic properties for efficient solar desalination. The material exhibits enhanced salt resistance and high mechanical strength.
A research team from Université Laval and Université Clermont Auvergne has shown that clouds harbor antibiotic resistance genes of bacterial origin. The concentrations vary widely, ranging from 330 to over 30,000 bacteria per milliliter of cloud water.
A new study suggests that wildfires can actually increase species richness and biodiversity among birds and mammals in ecosystems where fire is a natural occurrence. The research found that the negative effects of fire on plant productivity are outweighed by its positive effects on animal diversity.
A new MIT study reveals that smoke particles from Australian wildfires can trigger chemical reactions that erode the protective ozone layer. The research found a 3-5% depletion of total ozone at mid-latitudes and widened the Antarctic ozone hole by 10% in 2020.
A record-breaking heatwave in the Pacific Northwest in June 2021 was attributed to a strong high-pressure ridge, which intensified when an atmospheric river moved into Alaska, releasing massive amounts of moisture. The air was exceptionally hot when brought down to the surface due to its temperature aloft.
Researchers from Pusan National University studied compound extreme weather events in northern East Asia and found that a lack of soil moisture led to increased evaporative stress, amplifying heatwaves and triggering compound droughts and heatwaves. Understanding these dynamics is crucial for societal safety.
A new study reveals that boreal fires contributed 23% of global fire carbon dioxide emissions in 2021, surpassing previous records. The research suggests a link between extensive boreal fires and climate drivers, such as temperature increases and heatwaves.
A new study finds that rising temperatures will increase harmful plant emissions and dust, leading to a 14% boost in air pollution. The degradation in future air quality from natural sources is predicted to be significant, with two-thirds of the pollution coming from plants.
A new model investigates long-term temporal trends in synoptic-scale weather conditions favoring significant tornado occurrence over the central United States. The study suggests that specific weather patterns have contributed to increased tornado activity in this region.
The study finds that aquatic foods are rich in essential nutrients, potentially diminishing malnutrition and heart disease risks. Implementing blue food policies can also promote a more environmentally friendly and sustainable food system.
A new study reveals that wildfire smoke interacts with local weather to create conditions that accelerate wildfire expansion and worsen air pollution. Short-term variations in humidity, wind speed, and precipitation drive extreme wildfires on the US West Coast and Southeastern Asia.
A recent study found that China's cleaner heating policies in northern cities, including Beijing and Tianjin, reduced premature deaths from air pollution by 23,000 in 2021 compared to 2015. The stricter policies led to a significant decrease in fine particulate matter (PM2.5) concentrations.
A new study reveals a significant increase in nocturnal production of nitrate radicals in China, which could exacerbate air pollution and pose a major health threat. The country's 'hot-spot' for nitrate radical production may worsen ozone and fine particulate pollution if emissions are not reduced.
A new study reveals that EU consumers are 'exporting' negative environmental impacts to their Eastern European neighbours while keeping economic benefits within the EU. The bulk of environmental pressures and impacts associated with EU consumption are felt in countries outside the bloc, with uneven distribution of costs and benefits wi...
The night sky has increased in brightness by 7-10% per year, equivalent to a doubling of its brightness in less than eight years. This rapid growth is outpacing satellite estimates and highlights the urgent need for awareness about artificial light at night.
A new Review analyzed ExxonMobil's internal climate modeling projections, comparing them to academic and government models. The findings suggest that the company accurately foresaw the threat of human-caused global warming, with its projections consistent with subsequent global warming trends.
A recent study from researchers across 63 institutions, including Argonne National Laboratory, evaluated the impacts of various drivers on energy exchange in the Arctic. They found that vegetation type is a primary predictor of how energy is exchanged during the Arctic summer.
Researchers at Goethe University Frankfurt have found that jet engine lubrication oils are a significant source of ultrafine particles. These tiny particles can penetrate deep into the lungs and trigger inflammatory reactions, potentially contributing to cardiovascular diseases.
Scientists analyze past El Niño events to better understand climate patterns over the past 12,000 years. They found that Eastern Pacific events have increased in frequency, while Central Pacific and Coastal events have decreased, resulting in changes in hydroclimate in the tropical Pacific.
Researchers propose new structures to capture and condense water vapor from above oceans, providing fresh water for large population centers in subtropical regions. The study assesses the feasibility of this method under climate change conditions.
The strongest Arctic cyclone ever observed poleward of 70 degrees north latitude caused a 30% greater loss of sea ice than previous records, with waves reaching up to 100 kilometers towards the center of the ice pack. Researchers suggest that existing models underestimate the impact of big waves on ice floes in the Arctic Ocean.
A new study reveals that large parts of Europe are experiencing faster-than-average warming during summer months, leading to worse heatwaves and an increased risk of fires. The climate across the continent has also become drier, particularly in southern Europe.
Research reveals sub-hourly rainfall extremes are becoming more intense due to climate change, causing flash floods and landslides. In the Sydney area, extreme rainfall events have risen by at least 20% per decade, highlighting the need for effective climate adaptation and mitigation strategies.
A new study by the University of Arizona found that tropical cyclones often follow extreme heat, which can be a major hazard after a storm. The research team analyzed 53 tropical cyclones and found that cities' heat index values were always warmer than average after the storm.
The ASU-led SW-IFL aims to understand complex relationships between extreme heat, atmospheric pollutants, and limited water supply on vulnerable urban subpopulations. The integrated field laboratory will combine high-resolution data, advanced computer modeling, and community engagement to create regionally specific predictive tools.
A new study predicts that climate change will increase rainbow viewing opportunities in northern latitudes and high elevations, while decreasing them in tropical regions. The research used photographs from Flickr to map rainbow occurrences under current and future climates.
The study reveals that cumulative pressures of food production are more concentrated than previously believed, with 92% of pressures from land-based food production concentrated on just 10% of the Earth's surface. The top five offenders are pig farming, cow farming, rice, wheat, and oil crops.
A new study reveals that western wildfires can strengthen storms in central US states, leading to heavier rain and flash flooding. The heat and airborne particles from wildfires intensify severe storms, with some cases bringing hailstones larger than baseballs.
A new study suggests that the US economy's supply chains cannot compensate for local production losses from hurricanes if climate change continues. The researchers found that even under moderate warming scenarios, hurricane damages will exceed the economy's coping capacities, leading to indirect economic effects and price increases for...