Type
Topic
Region
Year
Displaying 476 - 500 of 5837
During the 2019/2020 Australian bushfire season, intense wildfires generated a rising plume with a record concentration of smoke in the lower stratosphere. Motivated by this event, we use the atmospheric wind reanalysis model ERA5 to characterize the three dimensional…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: Australia, atmospheric transport, smoke plume, bushfire
Forest fires rank among the costliest and deadliest natural disasters globally. Identifying the smoke generated by forest fires is pivotal in facilitating the prompt suppression of developing fires. Nevertheless, succeeding techniques for detecting forest fire smoke encounter…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: YOLOv8, UAV - unmanned aerial vehicles, smoke detection, forest fires, BiFormer, ghost shuffle convolution, remote sensing, deep learning
The aerosol shortwave, direct radiative effects of smoke plumes from Chilean wildfires in 2017 and 2023 were derived from satellite observations in both cloud-free and cloud scenes. At the top of the atmosphere, the aerosol DRE changes sign when aerosol overly clouds or open…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Chile, radiative heating, aerosol, smoke plumes
Background: With the increase in forest fire emissions, an increasing amount of nitrogen is released from combustibles and taken up by plant leaves in the form of PM2.5 smoke deposition. Concurrently, the stress from PM2.5 also disrupts the physiological processes of plants.…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: forest fires, N - nitrogen, malondialdehyde (MDA), zeatin, abscisic acid, PM2.5, China
Fire is the dominant disturbance agent in Alaskan and Canadian boreal ecosystems and releases large amounts of carbon into the atmosphere. Burned area and carbon emissions have been increasing with climate change, which have the potential to alter the carbon balance and shift…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, International
Keywords: ABoVE - NASA Arctic-Boreal Vulnerability Experiment, burned area detection, combustion, carbon emissions, Alaska wildfires, boreal ecosystems, Canada
Wildfires have become more destructive over recent decades with climate change, so understanding how fire regimes will change with further climate change is critical for effective fire management practices. Paleofire records provide insight into how fire regimes have responded…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire History
Region(s): Alaska
Keywords: Denali National Park and Preserve, ice cores, Denali ice core, paleofire records, fire size, area burned, number of fires, summer climate, wildfires
An increase in the frequency of wildfire occurrence is predicted in all climate model estimates, implying significant health impacts, due to the emission of combustion products. Application of pollutant dispersion models at strategic and operational levels is imperative for…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: Greece, FLEXPART, wildfires, civil protection, health, aerosols, smoke dispersion, air quality
Our study analyzed PM2.5 concentrations in Porto Velho, Rondônia, during the April 2020 and October 2022 wildfire seasons. This study aimed to evaluate the temporal characteristics of PM2.5 and the influence of long-distance pollution sources. Using PurpleAir data, we found that…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Amazon, Brazil, PM2.5, wildfires, SDGs - Sustainable Development Goals, air pollution, air quality
Wildfires stand as significant contributors to atmospheric aerosols, exerting a substantial influence on air quality and radiative forcing. In our research, we utilized the Weather Research and Forecasting model coupled with chemistry (WRF-Chem) to delve into the repercussions…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Weather
Region(s): International
Keywords: Greece, wildfires, aerosols, WRF-Chem, meteorology, air pollution
In the summer of 2018, Sweden experienced widespread wildfires, particularly in the region of Jämtland Härjedalen during the final weeks of July. We previously conducted an epidemiological study and investigated acute respiratory health effects in eight municipalities relation…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Sweden, PM2.5, asthma, chemistry transport model, health care visits, respiratory health, wildfires, health impacts
Wildfire is a pressing global issue that transcends geographic boundaries. Many areas, including China, are trying to cope with the threat of wildfires and manage limited forest resources. Effective forest fire detection is crucial, given its significant implications for…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): International
Keywords: China, smoke detection, YOLOv8, channel depth, fire detection, forest resources
Background: Late dry-season wildfires in sub-Saharan Africa’s savanna-protected areas are intensifying, increasing carbon emissions, and threatening ecosystem functioning. Addressing these challenges requires active local community engagement and support for wildfire policy.…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: Africa, fire management, savanna burning, prescribed burning, carbon markets, community based fire management, Kyoto Protocol, Indigenous knowledge, woody thickening
Wildfire poses a significant threat and is considered a severe natural disaster, which endangers forest resources, wildlife, and human livelihoods. In recent times, there has been an increase in the number of wildfire incidents, and both human involvement with nature and the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Fire Prevention, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: forest fire, smoke detection, wildfire smoke, deep learning, remote sensing, decoupled head, UAV - unmanned aerial vehicles, YOLOv7
The Camp Fire was one of California’s deadliest and most destructive wildfires, and its widespread smoke threatened human health over a large area in Northern California in November 2018. To analyze the Camp Fire influence on air quality on a 200 km distant site in Berkeley,…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: Camp Fire, black carbon, brown carbon, carbonaceous aerosol, wildfires, organic aerosols, air quality
Research has shown that climate change creates warmer temperatures and drier conditions, leading to longer wildfire seasons and increased wildfire risks in the United States. These factors have, in turn, led to increases in the frequency, extent, and severity of wildfires in…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): California
Keywords: remote sensing, wildfire mitigation, smoke detection, deep learning, image analysis, fire detection
Vegetation fire frequently occurs globally and produces two types of water-soluble organic carbon (WSOC) including black carbon WSOC (BC-WSOC) and smoke-WSOC, they will eventually enter the surface environment (soil and water) and participate in the eco-environmental processes…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Ecology, Fire Effects, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: WSOC - water soluble organic carbon, vegetation, vegetation fire, burning temperature, BC-WSOC - black carbon water-soluble organic carbon, smoke-WSOC – smoke water-soluble organic carbon
Catastrophic wildfires in the western United States pose significant risks to public health, infrastructure, and ecosystems. As these wildfires become more frequent, there is a growing need for a common methodology to identify suitable locations for prescribed burning aimed at…
Person: Kelp
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk, Outreach, Prescribed Fire, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: smoke exposure, atmospheric chemistry transport modeling, mitigating wildfire impacts, satellite observations, prescribed burning effectiveness, air quality, environmental justice, fine particulate matter, PM2.5, public health
Volcanic and wildfire events between 2014 and 2022 injected ∼3.2 Tg of sulfur dioxide and 0.8 Tg of smoke aerosols into the stratosphere. With injections at higher altitudes and lower latitudes, the simulated stratospheric lifetime of the 2014-2022 injections is about 50% longer…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: SO2 - sulfur dioxide, smoke aerosols, effective radiative forcing, volcanic eruption, surface temperature
Wildfire emission inventories are usually applied with biome-scale emission factors for atmospheric modeling. However, emission factors measured for different plant species vary substantially within the same biome. We apply the species-specific emission factors and refine the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: black carbon, Eurasia, EI - Emission Inventory, GFED - Global Fire Emissions Database
Background: Shortleaf pine is a fire-adapted tree species, and prescribed fire is commonly used to increase its regeneration success, improve wildlife habitat, and reach conservation objectives associated with open forest ecosystems. We studied direct effects of heat and smoke…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): Eastern
Keywords: heat, germination, natural regeneration, shortleaf pine, season of burn, Missouri
Pacific Northwest wildfires are expected to increase in frequency and scale, with more communities exposed to smoke. We explored the environmental justice context for wildfire smoke impact to young children in urban communities in the Pacific Northwest with a focus on Seattle,…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Northwest
Keywords: wildfire smoke, children, environmental justice, Pacific Northwest, air quality, public health, PM2.5
Background: Few studies investigated the impact of particulate matter (PM2.5) on some symptom exacerbations that are not perceived as severe enough to search for medical assistance. We aimed to study the association of short-term daily total PM2.5 exposure with work loss due to…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: air pollution, PM - particulate matter, wildfires, work loss, cost of illness, PM2.5
Landscape fires are increasing in frequency and severity globally. In Australia, extreme bushfires cause a large and increasing health and socioeconomic burden for communities and governments. People with asthma are particularly vulnerable to the effects of landscape fire smoke…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Australia, New Zealand, public health, asthma, landscape fire, air quality
Smoke emissions from biomass burning considerably influence regional and local air quality. Many natural wildfires and agricultural burns occur annually in Central Mexico during the hot, dry season (March to May), potentially leading to air quality problems. Nevertheless, the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): International
Keywords: public health, Mexico, air quality, biomass burning, Mexico City, VIIRS - Visible Infrared Imaging Radiometer Suite, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, PM2.5, PM - particulate matter
Wildfire smoke has been associated with adverse respiratory outcomes, but the impacts of wildfire on other health outcomes and sensitive subpopulations are not fully understood. We examined associations between smoke events and emergency department visits (EDVs) for respiratory…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): California
Keywords: PM2.5, hospital visit, emergency department visits, PM - particulate matter, public health