Type
Topic
Region
Year
Displaying 126 - 150 of 219
This proposed study was in response to the Joint Fire Sciences FA-FON0016-0004 Fire and Smoke Model Evaluation Experiment (FASMEE) Task 5 -Modeling leads. The purpose was to evaluate Daysmoke and PB-Piedmont (PB-P) models to provide information for the FASMEE Phase 2 design.…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FASMEE - Fire and Smoke Model Evaluation Experiment, DAYSMOKE, smoke dispersion
Recent advancements in fire-atmosphere numerical modeling have increased the number of physical processes integrated into these coupled models. This greater complexity allows for more comprehensive representation of the coupled interactions and feedbacks between the fire and the…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Great Basin, Southwest
Keywords: FASMEE - Fire and Smoke Model Evaluation Experiment, WRF-SFIRE-CHEM, WRF-SFIRE
The purpose of this study was to examine how exposure to two different types of plant-derived smoke (grass smoke and wood smoke) affects the germination of common native and invasive plants found in the northern Great Plains. First, we hypothesize that smoke (both grass-derived…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): Rocky Mountain
Keywords: germination, vegetation dynamics, grasses
Biomass burning emissions emit a significant amount of trace gases and aerosols and can affect atmospheric chemistry and radiative forcing for hundreds or thousands of kilometres downwind. They can also contribute to exceedances of air quality standards and have negative impacts…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Northwest, International
Keywords: Siberia, wildfires, air quality, smoke plume, MODIS - Moderate Resolution Imaging Spectroradiometer, O3 - ozone, PM2.5, Canada, British Columbia, fire plumes
Particulate matter emissions from wildfires affect climate, weather and air quality. However, existing global and regional aerosol emission estimates differ by a factor of up to 4 between different methods. Using a novel approach, we estimate daily total particulate matter (TPM…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International
Keywords: Canada, PM - particulate matter, wildfires, aerosols, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, MODIS - Moderate Resolution Imaging Spectroradiometer, AOT - aerosol optical thickness, boreal forests, temperate forests, air quality
US surface O3 responds to varying global-to-regional precursor emissions, climate, and extreme weather, with implications for designing effective air quality control policies. We examine these conjoined processes with observations and global chemistry-climate model (GFDL-AM3)…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Asia, wildfires, O3 - ozone, ozone, surface ozone, climate change, isoprene emissions, air quality
Biomass burning (BB) is one of the most important contributors to atmospheric aerosols on a global scale, and wildfires are a large source of emissions that impact regional air quality and global climate. As part of the Biomass Burning Observation Project (BBOP) field campaign…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Northwest
Keywords: wildfires, biomass burning, aerosols, organic aerosols, chemistry, organic compounds, mass spectrometry
The vast majority of Australia's fires occur in the tropical north of the continent during the dry season. These fires are a significant source of aerosol and cloud condensation nuclei (CCN) in the region, providing a unique opportunity to investigate the biomass burning aerosol…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): International
Keywords: Australia, savanna fires, aerosols, CCN - cloud condensation nuclei , biomass burning, BBA - biomass burning aerosol, Northern Territory of Australia, diurnal
Exposure to wildland fire smoke is associated with negative effects on human health. However, these effects are poorly quantified. Accurately attributing health endpoints to wildland fire smoke requires determining the locations, concentrations, and durations of smoke events.…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory, Social Science
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: social media, Facebook, smoke exposure, PM2.5, MODIS - Moderate Resolution Imaging Spectroradiometer, WRF-Chem, wildfires, air quality, LFS - landscape fire smoke, PM - particulate matter, regression models, Google Trends
Lesson Overview: In this activity, students learn about the composition of smoke from wildland fire, how it disperses, and its health impacts. They do a pre-class reading assignment and worksheet. During class, they discuss the pre-class reading, watch a video or demonstration…
Person:
Year: 2017
Type: Course
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: PM - particulate matter, inversion, PM2.5, atmospheric dynamics
Wildland fire smoke is a complex mixture of air contaminants that have the potential cause adverse health effects. Individuals can be exposed occupationally if they work as wildland firefighters or public exposure from ambient air that is contaminated with smoke from a nearby or…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke exposure, human health, firefighters, public health, air pollution impacts
Lesson Overview: In this activity, students learn that smoke from wildland fires can either disperse readily or stick around, reducing visibility on the earth’s surface and making it difficult to breathe. From a demonstration, they learn that long-term smoke episodes caused by…
Person:
Year: 2017
Type: Course
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: inversion, PM - particulate matter, fire-induced atmospheric conditions, visibility, human health
Lesson Overview: In this activity, students learn that smoke from wildland fires can either disperse readily or stick around, reducing visibility on the earth’s surface and making it difficult to breathe. Then they apply health guidelines regarding smoke to a very important…
Person:
Year: 2017
Type: Course
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: human health, air quality, PM - particulate matter, visibility
Prescribed burns of winter wheat stubble and Kentucky bluegrass fields in northern Idaho and eastern Washington states (U.S.A.) were sampled using ground-, aerostat-, airplane-, and laboratory-based measurement platforms to determine emission factors, compare methods, and…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Northern Rockies, Northwest
Keywords: agricultural burning, emission factors, wheat, bluegrass, Kentucky bluegrass, Poa pratensis, PM - particulate matter, VOC - volatile organic compounds, PAH - polynuclear aromatic hydrocarbons, PCDD - polychlorinated dibenzo-p-dioxins, PCDF - polychlorinated dibenzofurans, PM2.5, organic carbon, modified combustion action, Washington, Idaho
Prescribed burning is an important land management tool for upland hardwood forests, with fuel reduction, ecosystem restoration, and wildlife habitat improvement often cited as primary goals. Mechanical fuel reduction by cutting shrubs and small trees (also termed fire…
Person:
Year: 2017
Type: Project
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Safety
Region(s): Eastern, Southern
Keywords: reptiles, amphibians, birds, invertebrates, mechanical fuel reduction, hardwood forest, land management, National Fire and Fire Surrogate Study
Fires are increasing in frequency, size and intensity partly due to climate change and land management practices, yet there is limited knowledge of the impacts of smoke emissions - both short term and long term. EPA is using its expertise in air quality research to fill the gaps…
Person:
Year: 2017
Type: Website
Source: FRAMES
Topic(s): Aquatic, Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory, Prescribed Fire, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, climate change, public health, smoke management, health impacts, wildfires, water supply, research, community protection
Wildland fire is an important ecological process in the California Sierra Nevada. Personal accounts from pre-20th century describe a much smokier environment than present day. The policy of suppression beginning in the early 20th century and climate change are contributing to…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): California
Keywords: air quality, smoke impacts, public health, wildland fire, policy, megafires, fire suppression, Sierra Nevada, PM - particulate matter, PM2.5
An issue of great concern on federal lands is wildland fires, which have steadily increased in frequency and strength over the past few decades as a possible consequence of climate change. Modeling wildfires under an evolving climate is challenging due to disparate spatial and…
Person:
Year: 2017
Type: Project
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): Southern
Keywords: air quality, fuel loads, fire activity, NAAQS - National Ambient Air Quality Standards
In summary, the toxicological and epidemiological evidence of adverse effects for those with chronic exposure to smoke is troubling, especially so for those with preexisting cardiovascular health conditions. What the research means for healthy workers is less clear. It seems…
Person:
Year: 2017
Type: Project
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: firefighter health, public health, smoke exposure, air pollution
Emissions of aerosols and gases from fires have been shown to adversely affect US air quality at local to regional scales as well as downwind regions far away from the source. Fire activity is strongly related to weather and climate. Recent observations have shown an upward…
Person:
Year: 2017
Type: Project
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, PM2.5 emissions, ozone, PM - particulate matter, fire frequency, fire magnitude
Wildland firefighters suppressing wildland fires or conducting prescribed fires work long shifts and are exposed to high levels of smoke with no respiratory protection. Inhalation of smoke is a safety concern for wildland firefighters and can potentially impair their performance…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire, Safety
Region(s): California
Keywords: hydrocarbons, PAH - polycyclic aromatic hydrocarbons, air pollution, firefighter exposure, firefighter safety, health effects, smoke exposure, exposure
Wildland firefighters suppressing wildland fires or conducting prescribed fires work long shifts during which they are exposed to high levels of wood smoke with no respiratory protection. Polycyclic aromatic hydrocarbons (PAHs) are hazardous air pollutants formed during…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire, Safety
Region(s): California
Keywords: wildfires, wildland fire, firefighter exposure, hydrocarbons, PAH - polycyclic aromatic hydrocarbons, air pollutants, health effects, smoke exposure
Water uptake by black carbon (BC)-containing aerosol was quantified in North American wildfire plumes of varying age (1 to ~40 h old) sampled during the SEAC4RS mission (2013). A Humidified Dual SP2 (HD-SP2) is used to optically size BC-containing particles under dry and humid…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: black carbon, aerosol, fire plumes, plumes, water uptake, biomass burning, 2013 Rim Fire
The incomplete combustion of vegetation and dead organic matter by landscape fires creates recalcitrant pyrogenic carbon (PyC), which could be consequential for the global carbon budget if changes in fire regime, climate, and atmospheric CO2 were to substantially affect gains…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: PyC - pyrogenic carbon, C - carbon, fire regimes, fire frequency, atmospheric carbon dioxide, CO2 - carbon dioxide
Across the islands of Hawaiʻi, Maui, Molokaʻi, Oʻahu, and Kauaʻi the annual area burned by large wildland fires (≥0.4 km2 burned) between 2002 and 2011 averaged 48 km2/yr and ranged between 5 and 119 km2/yr. For the same period, greenhouse gas emissions from wildland fires…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Mapping, Models
Region(s): Hawaii
Keywords: area burned, wildfires, greenhouse gases, grasslands, shrublands, CO2 - carbon dioxide, nonnative species, carbon balance, fire severity, carbon storage, carbon flux