Articles tagged with Atmospheric Science
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.
Scientists at the Naval Research Laboratory are working with NASA to better understand pyrocumulonimbus clouds, which can inject smoke into the upper atmosphere and alter weather patterns. The Injected Smoke and Pyrocumulonimbus Experiment (INSPYRE) aims to enhance predictive weather modeling through detailed analysis of wildfire-induc...
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.
An international team of astronomers has found a giant planet, TOI-6894b, orbiting a tiny star, TOI-6894, which is smaller than expected to host such a massive planet. The discovery challenges the core accretion theory on planet formation.
Researchers at the University of Graz have developed a new benchmark timeseries that tracks global surface air temperature change from 1850 to 2034. This enables reliable monitoring of the Paris climate goals, which are set to be exceeded by 2028. The study proposes a four-classes assessment scale to gauge compliance with the agreement.
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.
Researchers at the University of Bristol have discovered that Saturn's moon Titan has an atmosphere that tilts and shifts over time, behaving like a gyroscope. The team analyzed data from the Cassini-Huygens mission to understand how Titan's atmosphere wobbles with the seasons.
A new study projects that wind losses for homeowners in the Southeast will increase by 76% by 2060 and 102% by 2100. Texas is expected to experience the highest increase in losses, followed by Louisiana, Mississippi, and Alabama.
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.
The Amazon rainforest could withstand prolonged droughts caused by climate change, but this would come with significant losses, including the death of largest trees. This would lead to a reduction in the forest's ability to act as a vital carbon sink.
A recent study explores how ancient climate behavior can inform our understanding of the South Asian Summer Monsoon's (SASM) dynamics under climate warming. The study identifies similar SASM changes across past warm intervals, suggesting that insights from past warm climates can help predict future changes in monsoon circulation and ra...
A team of Chinese researchers found that chlorinated volatile organic compounds on mineral dust particles can be converted into highly toxic polychlorinated dibenzo-p-dioxins and dibenzofurans by sunlight. The study highlights the need to reassess the toxicity of commercial chemicals and their atmospheric conversions.
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...
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.
Three Israeli scientists will each receive US$100,000 for their innovative work in Life Sciences, Chemical Sciences, and Physical Sciences & Engineering. The Blavatnik Awards recognize outstanding young scientists at the early stages of their careers.
A new study suggests that boosting copper recycling rates can significantly mitigate resource scarcity and cut down carbon emissions from extraction processes. Recycling rates between 60% and 80% could decrease primary copper demand and ease the burden on natural reserves.
Researchers found that drastic reductions in greenhouse gas emissions could significantly reduce deaths from poor air quality, particularly in deprived regions of Europe. The study suggests that strong climate mitigation would also lead to a more equitable burden of air quality mortality across the continent.
The American Geophysical Union (AGU) and the American Meteorological Society (AMS) are collaborating on a special collection to maintain momentum in climate change research supporting the US National Climate Assessment. This effort aims to sustain the work of authors who were dismissed earlier this week by the Trump Administration.
New research reveals oceans are heating at the world's fastest pace in two distinct bands near 40 degrees latitude in both hemispheres. This pattern is linked to poleward shifts in the jet stream and ocean currents, upending marine ecosystems and fueling extreme weather.
A new study finds that the Clausius-Clapeyron relation explains almost perfectly selected thunderstorm rainfall data at each temperature, but when combining both stratiform and thunderstorm rainfall, higher temperature increase rates emerge. The authors argue that this 'super-Clausius-Clapeyron' increase is of statistical origin, settl...
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.
The proposed elimination of NOAA Research would drastically undercut the scientific backbone needed for accurate weather forecasts and services. Key stakeholders like the American Meteorological Society and National Weather Association urge action to maintain competitiveness in weather forecasting.
Researchers found that ancient Homo sapiens used tailored clothing and ochre-based sunscreens to protect themselves from harmful UV light during the Laschamps excursion. This period of reduced magnetic field strength allowed more cosmic radiation to reach Earth's surface, potentially contributing to the decline of Neanderthals.
Recent research highlights increased fire activity in the western US, with wildfires becoming less prone to calming down at night. Meanwhile, extreme turbulence on hurricane flights has led to a new 'bumpiness' metric. Climate extremes are also evident in shifting energy demands for heating and cooling in Chinese megacities.
A study from the University of Utah reveals that urban environments can significantly contaminate natural airborne dust particles with hazardous elements. The research found higher concentrations of toxic metals such as zinc, calcium, molybdenum, cadmium, copper, lead, cobalt, and arsenic in urban dust compared to natural dust.
A recent study revealed clouds are more sensitive to aerosol changes than previously thought, impacting climate warming assessments. The research findings suggest that human-induced fine particles have slowed down climate warming caused by greenhouse gases.
Climate change drives large increases in electricity demand and costs in Texas due to extreme temperatures. Meanwhile, atmospheric rivers become more frequent, larger, and moister globally. Diagnostic studies also predict malaria outbreaks with five-month lead time using sea-surface temperature anomalies.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
The Blavatnik Awards for Young Scientists in the UK recognize promising scientists under 42 for their work on pressing issues. The three winners are tackling infant mortality, green manufacturing, and predicting long-term climate change. Their prize-winning research will receive £100,000 in unrestricted funds.
The US weather enterprise faces significant risks due to federal science funding cuts, which could lead to reduced weather forecasting accuracy and increased vulnerability to hazardous weather. The value of weather information to the US economy exceeds $100 billion annually.
A team of scientists has discovered that some key hydrofluoroolefins (HFOs) decompose into persistent greenhouse gas pollutants, including compounds banned internationally. The chemicals are used as refrigerants, aerosol propellants, and in foamed plastics.
Discounted hotel rates available at select hotels near the Anaheim Convention Center. The Global Physics Summit will feature nearly 14,000 individual presentations on new research in various fields.
Research highlights the impact of wind on wildfire growth, with areas in the US Southeast vulnerable to extreme heat and precipitation events. Meanwhile, a study suggests the 'drought' of EF5 tornadoes may be due to stricter ratings rather than changes in tornadoes.
Research finds that aerosols from Canadian wildfires of summer 2023 contributed to the formation of ice clouds over the Arctic. Aerosol particles were transported via atmospheric rivers and contributed to ice cloud formation at temperatures warmer than usual.
Researchers evaluate drones' potential for long-term daily collection of meteorological data, showing promising results and cost-effectiveness. The study demonstrates that drones can provide accurate measurements comparable to traditional methods, improving the accuracy of numerical weather predictions and disaster prevention.
Combustion-related isoprene emissions from outdoor biomass burning and residential fuel use contribute substantially to the formation of wintertime secondary organic aerosols. The study found that combustion-derived isoprene accounts for 25-40% of winter SOA in northern regions.
New research from PSU identifies lower streamflows as a contributing factor, while warmer temperatures led to significant increases in lake evaporation. The study suggests continued warming will exacerbate water loss, posing health risks and economic concerns for the region.
A collaborative project between ASU and industry partners aims to develop a regional Direct Air Capture Hub in the Four Corners area, with the goal of removing at least 1 million metric tons of CO2 from the atmosphere each year. The project will also create jobs, stimulate local economies, and support climate change mitigation efforts.
The study introduces a novel framework that accurately predicts global warming caused by greenhouse gas emissions without relying on complex climate models. It confirms human-caused greenhouse gas emissions drive observed global warming, independently of conventional approaches.
The American Physical Society's joint March Meeting and April Meeting will convene more than 14,000 physicists from around the world to present new research in various fields. The conference will be held in person in Anaheim, California and online everywhere March 16-21.
Early online research reveals associations between snowmelt timing, wildfires in Alaska, and rapidly intensifying tropical cyclones. The impact of climate patterns on extreme weather events is a growing concern.
Research integrating natural archive data and modelled atmospheric mercury deposition reveals ecosystem responses to Hg input. Ecosystems like lake sediments exhibit trends similar to atmospheric Hg deposition, while ice and marine sediments show less pronounced responses.
The 105th Annual Meeting of the American Meteorological Society will address key issues in weather, water, and climate. The meeting features a Presidential Forum on physical, social, cultural, and economic impacts of climate change, with experts from the region of the Mississippi River Delta.
Researchers have created the first-ever meridional profile of Mars' radiant energy budget, showing a polar energy surplus and a tropical energy deficit. This discovery provides critical insights into Martian weather patterns and climate evolution.
When two tropical cyclones collide in the Indian Ocean, they can intensify considerably, leading to extreme interactions between the ocean and atmosphere. The study found that effects occurred that have only been observed with much stronger cyclones, including a cooling effect of three degrees Celsius and upwelling of deep water masses.
A new study reveals woodburning contributes significantly to fine particulate matter (PM2.5) levels in the region, accounting for 25% of total PM2.5 mass. The experts recommend targeted measures to mitigate health risks associated with woodburning activities, including raising public awareness and promoting cleaner alternatives.
Alan Sealls has been elected 2025 AMS President-Elect and will serve a one-year term before becoming president. He brings extensive experience as a broadcast meteorologist, educator, and leader in the field of atmospheric sciences, with roles including chief meteorologist at WPMI-TV and president of the National Weather Association.
Recent studies analyze hurricane damage, water flow into dams, marine heatwaves, and the impact of air pollution on vegetable market prices in South Korea. Hurricane Katrina remains the most damaging U.S. hurricane, while a new system predicts extreme air pollution episodes in India's New Delhi megacity.
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.
A study reveals that soil emissions account for at least a quarter of nitrogen oxide emissions in California's Salton Sea air basin, with annual total emissions reaching 11 tons per day. The findings highlight the need to better understand and account for agricultural soils' emissions to improve air quality in rural areas.
A recent study reveals that oceans produce a previously unknown sulfur gas called methanethiol, which cools the climate by increasing aerosol formation and reflecting solar radiation. This new compound is found to have a greater cooling capacity than dimethyl sulphide and its impact on climate models.
A new study reveals that industrial air pollution can trigger ice formation in supercooled clouds, reducing cloud cover and increasing regional snowfall. This phenomenon could help improve climate modeling and mitigation strategies.
Scientists will present new research on bio-inspired floating offshore wind farms, harbor seals' whisker sensing abilities, and Manu jumping. The conference features over 300 sessions and nearly 2,800 presentations.
Scientists are urging global leaders and industries to deploy microbial solutions to combat climate change. The initiative aims to expedite the use of microbiome technologies to capture carbon, reduce greenhouse gases, and restore ecosystems.
New studies reveal significant increases in Atlantic hurricane seasons and derecho events, while also highlighting the dangers of turbulence near thunderstorms and extreme heat stress. Climate models predict a rise in precipitation extremes across US cities, particularly during winter and spring.
Gravity waves generated by Hurricane Helene were recorded 55 miles above the ground using NASA's Atmospheric Waves Experiment. The study helps understand how terrestrial weather affects space weather and disrupts satellites.
A new type of prototype water harvester uses temperature-sensitive materials to pull more water out of the atmosphere in 30 minutes on average than an alternative dehumidifier system using only half the energy. The device is also portable, making it suitable for regions where access to clean drinking water is limited.
A new framework for responsible decision-making and inclusive dialogue has been launched by the American Geophysical Union to address the risks of geoengineering research. The framework proposes five key principles to guide research, funding and policy proposals, including consideration of physical, environmental and social consequences.
The 77th annual meeting of the American Physical Society's Division of Fluid Dynamics will feature more than 3,200 presentations on various fluid dynamics topics. The conference will also include a visual arts competition and exhibition showcasing the science and beauty of fluid motion.
A new study uses deep learning to infer the frequency of atmospheric blocking events over the past 1,000 years, shedding light on their potential impact under climate change. The model was trained using historical data and large ensembles of climate model simulations.