Articles tagged with Wildfires
Scientists have discovered a climate pattern in the Arctic that drives co-occurrences of European heatwaves and large-scale wildfires with air pollution. The circum-Arctic wave (CAW) pattern is linked to exceptionally high PM2.5 levels and organic carbon aerosol concentrations.
Researchers analyzed vertical ozone distributions and found deep stratospheric intrusions contributed to large ozone partial pressure in the troposphere. Long-range transport of wildfire smoke from central Russia in 2016 caused ozone pollution over the northern Tibetan Plateau.
Research Scientist Bok Haeng Baek is collaborating with other institutions on a project addressing anthropogenic emission updates and wildfires. The team will use the National Air Quality Forecast Capability Community Emission Testbed to solve these problems, incorporating NOAA satellite remote sensing and data sources.
The American Thoracic Society releases a report highlighting the need for research on wildfire smoke's effects on respiratory and cardiovascular health, as well as communication strategies to protect public health. The report emphasizes the importance of coordinated federal response and dedicated funding to mitigate health risks.
Researchers at UC Riverside develop method to estimate air quality in neighborhoods affected by wildfire smoke, providing critical data for public health officials. The new approach fills gaps in current methods by predicting particulate matter concentrations over short distances.
Boreal forests can store nearly five times more soil carbon after severe wildfires through shifts to deciduous tree species like aspen and birch. This can provide a negative feedback to climate warming.
Researchers develop a streamlined process to convert woody biomass into ethanol, offering a sustainable alternative to fossil fuels. The technology has the potential to reduce carbon emissions and create new jobs in the bioenergy industry.
New research from Carnegie Mellon University reveals that wildfires can lead to more extensive cloud formation and intense storm development due to the chemical aging of particles emitted by these fires. This study's findings have significant implications for accurately modeling Earth's climate and how it may change in the future.
Research finds elevated air pollution events, like wildfire smoke and inversions, impact indoor spaces. Indoor air quality is up to 30% of outdoor levels during inversions, while wildfires can increase pollution by 78%.
Scientists confirm climate change and fire suppression influence wildfires, but their effects vary within regions. Climate change increases burn probability in wetter areas while decreasing severity in drier locations.
A new study published in the International Journal of Wildland Fire found that forests with diverse tree sizes and small clearings slow down wildland fire growth. The research used a 3D analysis to examine how forest structure affects fire behavior and revealed that varying tree sizes and shapes can significantly impact fire spread.
Researchers are tracking black carbon from West Coast wildfires to study its impact on the global carbon cycle and global warming. The first flush of carbon and nutrients from burned land has been captured for the first time, revealing a previously unknown pathway in the chain that connects fire-derived black carbon to the deep ocean.
Wildfire smoke carries microorganisms, including bacteria and fungi, that can spread infection when inhaled. The study highlights the potential for wildfires to become a source of bioaerosols, which can travel long distances and impact human health.
Indonesian wildfires are a major issue due to their impact on the environment and human health. The project aims to investigate the causes and possible solutions to these fires. Experts believe that the drivers behind the peatland fires are a combination of climatic processes, land use, and ignition by humans.
Researchers studied slope failure after wildfires in Southern California's San Gabriel Mountains, finding a shift from debris flows to shallow landslides over time. The study suggests that land managers prioritize post-wildfire mitigation and planning, with debris flows being the primary concern during the next year.
Research in Colorado's mountain forests found that wildfires accelerate climate-driven species changes by compounding regional warming trends. In contrast, canopy loss due to beetles resulted in slight cooling, suggesting a type of forest resilience.
A Monash University study warns of devastating impacts of climate change on wildfire seasons, with fuel, oxygen, and ignition source conditions fueling the crisis. Immediate action is needed to limit greenhouse gas emissions and avoid substantial increases in wildfire exposure by the end of the century.
The Morris Animal Foundation has awarded grants to five studies aiming to improve care and rehabilitation of wildlife impacted by wildfires. The studies will develop guidelines for rescue and rehabilitation, track outcomes, and improve antibiotic treatments.
A probabilistic model reveals three distinct regimes of particle motion on burned hillslopes, driven by changes in slope, particle size and surface roughness. Burned slopes are measurably smoother than vegetated slopes, affecting steepland erosion following wildfires.
Climate change is causing more frequent and severe wildfires in the Cascade Range, reshaping forests. Historically, fires occurred every 50-200 years, but climate-driven changes have led to increased fire frequency, with some areas burning within 12 years of each other.
Using advanced X-ray Computed Tomography (XCT) to study smoldering, Stanford researchers developed a new analysis method that provides three-dimensional images of wood structures. Their computer model can predict where wildfires might strike next and allocate resources more efficiently, saving lives and reducing property loss.
A recent study by University of Colorado Boulder researchers reveals that humans caused 97% of wildfires in the wildland-urban interface, a fivefold increase from previous estimates. The study also found that human-started wildfires are expensive and account for half of firefighting costs.
The Apple Fire has grown to 26,850 acres with 15% containment, spreading into sparse wilderness areas due to low moisture content and high temperatures. NASA's Aqua satellite provided two images of the fire, including a true color image and one showing corrected reflectance bands for burn scar detection.
Exposure to high levels of fine particulate air pollution from wildfires is associated with a 4% higher death rate among patients with kidney failure. Patients with kidney failure are particularly susceptible to the effects of wildfire smoke, highlighting the need for research into managing exposure during wildfire episodes.
A new study finds that wildfires change the types of songs sung by birds living in nearby forests, leading to increased local song diversity. Researchers recorded over 1,500 male Hermit Warblers and found that song dialects tend to be isolated from each other within different forest types.
A new study by ANU researchers shows that Victorian bushfires have burned over 1.5 million hectares since 1995, with more than 600,000 hectares burning twice and over 112,000 hectares burning three times. This has led to a significant impact on ecosystems, biodiversity, and industry.
The 2018 Saddleworth Moor Fire in Northern England had a significant impact on air quality, with poor conditions affecting over 4.5 million people. The fires caused substantial increases in PM2.5 pollution, resulting in up to 165% more deaths brought forward due to pollution.
A new study finds that using bedroom air filters can significantly improve breathing in asthmatic children. Consistent daily use of filters for two weeks reduced airway resistance, lung inflammation, and increased airway elasticity. The findings suggest that the filters may help prevent asthma flare-ups without costly medications.
A University of Washington study synthesizes climate change impacts on Northwest wildfires, predicting larger and more frequent fires in the region. The greatest increased risk is found for low-elevation ponderosa pine forests, with other ecosystems experiencing more frequent but less severe fires.
A new study from UC Davis finds significant disparities between employers' and employees' approaches to wildfire smoke concerns. Many farmworkers prioritize work over safety, while some employers lack clear plans or protocols for managing air quality.
Researchers found an 85% greater snow depth in burned areas compared to non-burned areas. Severe wildfires can lead to increased flood potential, loss of nutrients, and erosion for downstream communities.
Researchers tracked pollutants from Canadian and US wildfires to reach NYC, causing significant increases in air quality advisories. The study highlights the need for policy-makers to consider long-term air quality management plans due to increasing wildfire smoke.
The National Science Foundation grant will support the development of an open knowledge network to provide better information for agencies managing wildfires, water quality, and biodiversity conservation. The team aims to create automated methods to collect and share relevant information, improving decision-making processes.
A study found that fine particulate matter increased by 5% between 2016-2018, leading to 9,700 additional premature deaths and $89 billion damages. The rise was associated with economic activity, wildfires, and decreased enforcement of the Clean Air Act.
A preventive treatment developed by Stanford researchers could greatly reduce the incidence and severity of wildfires. The approach involves an environmentally benign gel-like fluid that helps common wildland fire retardants last longer on vegetation.
A new study found that half of all buildings destroyed by wildfire in California are located in the wildland-urban interface (WUI) area, which has less grasses and trees to fuel fires. The WUI accounts for 82% of all building losses, with 50% occurring in the interface portion.
A UCI team developed a new technique for predicting wildfires' final size, focusing on specific ignitions that pose the greatest risk of getting out of control. The model can forecast whether a blaze will be small, medium or large by its end, helping allocate scarce firefighting resources.
A recent study by Arizona State University researchers found that tarballs, tiny organic particles formed during wildfires, can significantly impact local and global climate. The team's analysis revealed that tarballs form through chemical and physical changes of organic aerosols within the first hours following smoke production.
A new study by Lawrence Berkeley National Laboratory used supercomputers to analyze the effects of wildfires on hydrological changes in a California watershed. The research found that post-wildfire conditions resulted in greater winter snowpack and subsequent summer runoff, as well as increased groundwater storage.
A recent study found that wildfires disrupt night-time pollination processes by moths, leading to a decrease in the abundance and diversity of moth species. The research also showed that the loss of host plants due to fire can lead to significant changes in the moth community.
A recent geography study by the University of Cincinnati found that hot temperatures are a better predictor of western wildfires than other factors. The researchers identified other risk factors, including vegetation cover and proximity to roads and population centers, which can increase the likelihood of wildfires.
A new monitoring method uses thermal stress measurements to identify drought conditions sooner, enabling conservation measures and reducing damage. The method, developed by Duke University researchers, combines surface and air temperature data from thousands of weather stations and satellite images.
A new UTA study highlights the critical role of non-profit organizations and businesses in providing support and funding during disasters. The research found that voluntary groups are essential for successful post-disaster coordination and recovery, but need government funding to improve their capabilities.
A Georgia State researcher has been awarded a $1.2 million grant to develop drone technology for wildfire management, providing real-time data to aid evacuations and fire management decisions. The technology aims to help contain wildfires, predict fire spread, and support human-UAS collaboration.
A new study from Stanford University suggests that climate change is doubling the odds of regions experiencing both warm and dry conditions in a given year. This trend poses significant challenges for agriculture, as hot-dry conditions can lead to reduced crop yields and exacerbate fire risk.
A new study by Portland State University researchers finds that climate change is causing more severe wildfires and larger insect outbreaks in temperate forests. The study analyzed 50 protected areas and found a strong link between high disturbance activity and warmer, drier-than-average climate conditions.
Researchers at NASA's Goddard Space Flight Center are developing machine learning algorithms to analyze petabytes of data, extract new patterns and correlations, and improve science discoveries. The technology also helps monitor spacecraft health, prevent catastrophic failures, and assist engineers in designing new missions.
A $1.5 million FEMA award will fund a first-of-its-kind study on the health effects of wildland firefighter smoke exposure. The research aims to quantify pulmonary and cardiovascular health consequences for firefighters exposed to toxic hazards in wildland fires.
Researchers at UCSB and NCAR find that climate change is affecting the connection between El Niño and wildfires, leading to more extreme and frequent fires. As the Earth warms, El Niño events are expected to have a larger impact on fire risk in California and other fire-prone regions.
56 active wildfires in British Columbia have burned over 1.5 million acres, with hot and dry conditions creating a high risk of rapid fire spread.
A Montana State University-led team discovered that low humidity, high winds, and extreme temperatures contribute to Chile's massive fires. The researchers found that Chile replaced native forests with more flammable tree plantations, which facilitated the spread of fires.
The Carr fire has consumed 110,154 acres, destroying 161 residences and 12 outbuildings. Weather conditions and terrain make firefighting efforts challenging, with over 2,500 structures still at risk.
Researchers found a significant association between wildfire activity and elevated fine particulate matter (PM2.5) levels in the northwestern United States. The study, published in Proceedings of the National Academy of Sciences, suggests that increased wildfires may offset reductions in anthropogenic PM2.5 levels.
Researchers at the University of Zurich discovered that black carbon can age for millennia on land and in rivers before being exported to the ocean, forming a major long-term sink for atmospheric carbon dioxide. This finding adds a significant piece to the puzzle of understanding the global carbon cycle.
The study found that wildfire had a strong effect on the density of many bird species, with some reaching maximum densities after high-severity fires. The researchers also discovered complex patterns in species' responses to fire severity and time since burning, highlighting the dynamic nature of avian communities after fires.
Research analyzing 30 years of data reveals that large wildfires significantly increase annual river flow, but also lead to increased contaminants like sediment and nutrients. Prescribed burns, on the other hand, show no significant impact on river flows.
Wildfire smoke plumes spread across the US, causing devastating effects on air quality and health. Researchers found that smoke from wildfires can tip air quality to unhealthy levels, particularly in urban areas with high population densities.
A new study found significant decreases in tree regeneration following 21st century wildfires, highlighting the loss of forest resilience. The research team analyzed data from over 1,500 sites across five states, measuring seedlings growing in areas burned by wildfires during the past three decades.
A team of researchers at the University of Oregon has identified a universal pattern in protein motion, which could help pinpoint where proteins bind to other molecules. The study found that protein motion is governed by random energy fluctuations and a critical hydrogen-bonding network.
A University of Missouri team created a Physical Chemical Fire Frequency Model to understand how climate influences wildfire frequency. The model uses temperature and precipitation variables to predict wildfire patterns across different regions. By analyzing global wildfire data, the researchers have identified predictable patterns in ...