Articles tagged with Wildfires
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A new Stanford analysis provides empirical evidence that wildfire is accelerating tree species range shifts toward cooler, wetter sites. The study found that two species had larger range shifts in areas burned by wildfire.
Researchers have developed a new method that uses deep neural networks to predict extreme heat waves with unprecedented accuracy, up to two weeks before they occur. This breakthrough has significant implications for risk management, planning, and warning systems, which will greatly improve public safety and support public policies.
A UCLA-led study found that human-caused climate change is the main cause of increasing fire weather in the western United States. The study used artificial intelligence to analyze climate and fire data, estimating that 68% of the increase in vapor pressure deficit between 1979 and 2020 was likely due to human-induced global warming.
A new study found black spruce trees' ability to regenerate after fire dropped by 38% and failed completely at 18% of sites. This trend threatens the iconic species' place as dominant tree species in boreal North America, with implications for biodiversity and carbon storage.
A study by University of Cincinnati professor Michael J. Fry found that a single large warehouse would be the most cost-efficient approach for disaster relief supplies, but a single location is vulnerable to destruction. The research suggests cooperation between government and relief organizations can improve response effectiveness.
Heat extremes have increased by 90-fold, with 3-sigma events affecting 9% of land area; record daily rainfall events also increased, with 1 in 4 records attributed to climate change. The small temperature increase has pushed up extreme weather substantially.
A new study aims to use the microgravity conditions of space to better understand how flames spread on Earth. By performing complementary ground-based and microgravity experiments, researchers can precisely measure flame spread along a combustible object, allowing for more accurate predictions of wildfire behavior.
A new study reveals that while Western US wildfires contribute more health problems, they affect a greater number of people in the Eastern US due to higher smoke concentrations. The researchers estimated 6,300 extra deaths annually from long-term smoke exposure, with most occurring in populous states.
A study finds that N95 respirators can significantly reduce hospital visits due to wildfire smoke exposure. The researchers estimated a 22-39% reduction in hospitalizations if N95s were widely used.
International research reveals that children will face a disproportionate increase in lifetime extreme event exposure due to climate change. The study, led by Prof. Wim Thiery of VUB, quantifies the impact of climate change on children born between 1960 and 2020, showing they will experience more heatwaves, droughts, crop failures, riv...
A recent study published in Nature reveals that pyrogenic iron from Australian wildfires fertilized the Southern Ocean, leading to unprecedented algal blooms. This phenomenon raises concerns about the role of wildfires in spurring phytoplankton growth, which absorbs large quantities of climate-warming carbon dioxide.
A study by Matthew Auer highlights the need for community-led wildfire protection plans to address growing threats, particularly among low-income households. These plans can provide educational resources, fire-resistant home construction, and access to funding.
The Bureau of Reclamation has awarded $3.1 million in grants to develop improved water data, modeling and forecasting capabilities for water managers in western states. The selected projects will provide accurate and reliable information to support informed decision-making in a changing climate.
A study published by Sandia National Laboratories reveals that older solar farms are more susceptible to extreme weather events, while snowstorms have the highest impact on electricity production. Machine learning analysis also found that low sunlight levels due to cloud cover and geographical features of the farm are significant factors.
A Stanford University study suggests that wildfire smoke exposure during pregnancy increases the risk of preterm birth, with as many as 7,000 extra births attributed to this factor between 2007 and 2012. The research highlights the need for investment in prescribed burns, mechanical thinning, or other efforts to reduce extreme wildfires.
The NIST-developed emberometer uses digital cameras to track embers in mid-air and reconstruct their 3D shapes. This tool helps researchers understand the behavior of embers, which can aid in developing better protection for structures during wildfires.
Researchers at KAUST developed a new method to simulate the spread of wildfires through forests, capturing complex dynamics involved. The model accurately predicts fire behavior at forest scale and can be used to optimize firebreaks and improve wildfire management.
Research by University of Washington and US Forest Service scientists reveals a dramatic shift in nighttime air's drying power over the Western US, increasing wildfire activity. This shift is not captured in climate models, with some areas experiencing water loss doubling up on warmer nights.
A synthesis of scientific literature provides a unified resource for managing western forests and addressing the impacts of climate change on wildfires. The report recommends approaches such as thinning dense forests, prescribed burning, and revitalizing Indigenous fire stewardship practices to make landscapes more resilient.
Research suggests that Western wildfires will initially intensify for about a decade due to hotter and drier conditions, then decrease in size as fire becomes self-limiting.
A study found that the Australian bushfires had a more significant impact on global climate than pandemic lockdowns, cooling the planet by about .06 degrees Celsius. The fires injected sulfates and other particles into the atmosphere, disrupting the climate system and influencing storm tracks.
The study found that under an intermediate greenhouse emission scenario, temperatures will rise during dry episodes but long-lasting dry episodes will not increase. However, if emissions are not reduced, summer no-rain periods will last five more years and temperatures will rise by 6ºC.
Researchers found that wildfire smoke affects the ability to observe more than a third of common bird species in Washington state. Higher concentrations of fine particulate matter, or PM2.5, were associated with harder-to-observe bird species, while some species became easier to detect when smoke was present.
A new study predicts a decline in lightning-caused ignitions but an increase in the size of wildfires by mid-century. Human-caused fire ignitions are expected to remain steady, while climate change is expected to worsen social inequalities and lead to more extreme wildfire events.
A new University of Montana study finds high-elevation forests in the central Rocky Mountains are experiencing unprecedented fire activity, with burning now occurring every 120 years compared to historical averages of 230 years. Climate change is identified as a primary cause of this increase.
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.