Type
Topic
Region
Year
Displaying 176 - 200 of 224
Formaldehyde (HCHO) provides a proxy to reveal the isoprene and biogenic volatile organic compounds emission which plays important roles in atmospheric chemical process and climate change. The ground-based observation with zenith-sky DOAS is carried out in order to validate the…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: China, formaldehyde, biomass burning, land use, land cover, population
This study investigates a significant biomass burning (BB) event occurred in Colorado of the United States in 2012 using the Community Multi-scale Air Quality (CMAQ) model. The simulation reasonably reproduced the significantly high upper tropospheric O3 concentrations (up to…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: O3 - ozone, upper troposphere, biomass burning, CMAQ - Community Multiscale Air Quality Modeling System, Colorado, air quality
Many plant species are dependent on soil-stored seeds for their persistence in fire-prone systems. Seed germination is often stimulated by fire-related cues including heat and smoke, but the way these cues promote germination may differ between structurally distinct plant…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: seed germination, seed bank, Australia, fire-prone ecosystem
The uncertainty in biomass burning emissions are large in many regions due to high variation of fire characteristics, limitation of fire data and uncertainty in factors calculation. The simulations in Mainland Southeast Asia (MSEA), using Fire Inventory from NCAR (FINN) as the…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Asia, PM - particulate matter, biomass burning, air quality model, FRP - Fire Radiative Power
An unprecedented wildfire impacted the northern Alberta city of Fort McMurray in May 2016 causing a mandatory city wide evacuation and the loss of 2,400 homes and commercial structures. A two-hectare wildfire was discovered on May 1, grew to ~ 157,000 ha by May 5, and continued…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, International
Keywords: boreal fire, biomass combustion, emission ratio, PM - particulate matter, O3 - ozone, S - sulfur, Fort McMurray Fire, Alberta, Canada, air quality
Constraining the complex refractive indices, optical properties and size of brown carbon (BrC) aerosols is a vital endeavor for improving climate models and satellite retrieval algorithms. Smoldering wildfires are the largest source of primary BrC, and fuel parameters such as…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Alaska, International
Keywords: brown carbon aerosol, refractive index, optical properties, smoldering fires, biomass burning, Indonesia
We used spatial optimization to allocate and prioritize prescribed fire treatments in the fire-prone Bages County, central Catalonia (northeastern Spain). The goal of this study was to identify suitable strategic locations on forest lands for fuel treatments in order to: 1)…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): International
Keywords: optimization, Mediterranean region, Spain, fuel treatments, fire spread
In the Mediterranean ecosystem, wildfires are very frequent and the predicted future with a probable increase of fires could drastically modify the vegetation scenarios. Vegetation fires are an important source of gases and primary emissions of fine carbonaceous particles in the…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: Italy, deciduous trees, coniferous, biomass burning, Mediterranean ecosystem, particulate emissions, Pinus halepensis, Quercus pubescens, laboratory fires
The natural cycle of landscape fire maintains the ecological health of the land, yet adverse health effects associated with exposure to emissions from wildfire produce public health and clinical challenges. Systematic reviews conclude that a positive association exists between…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: health effects, air quality, PM - particulate matter, PM2.5
The interaction between wildlife and power lines has collateral effects that include wildfires and Carbon Dioxide (CO2) emissions. However, currently available information is scarce and so new approaches are needed to increase our understanding of this issue. Here, we present…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: birds, CO2 - carbon dioxide, electricity, power lines, Spain, wildfires, wildlife
Studies that analyse the impact on mortality of particulate matter (PM) produced by biomass combustion from wildfires mostly focus on a single city or on cities in different countries, with very few concentrating on one country as a whole. Accordingly, the aim of this paper was…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Spain, wildfires, biomass combustion, mortality, PM - particulate matter, human health
Biomass energy produced as a byproduct of forest clearing is increasingly being advocated in the western United States as a “win-win” for reducing fire risks and replacing fossil fuels. Many assumptions that justify thinning and biomass approaches, however, need to be…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): Northwest
Keywords: thinning, greenhouse gas emissions, biomass, climate change, fire-adapted ecosystems
Wildfire episodes pose a significant public health threat in the United States. Adverse health impacts associated with wildfires occur near the burn area as well as in places far downwind due to wildfire smoke exposures. Health effects associated with exposure to particulate…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: public health, PM - particulate matter, vulnerable populations, tool, population risk analysis
This study shows the influence of two large wildfires (one of which was the largest wildfire ever recorded in the region of Castilla y León) in the north-west of the Iberian Peninsula upon the atmospheric air quality of the city of León, Spain, at approximately 70 km from the…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Spain, aerosols, radiative forcing, respirable fraction, subsidence inversion, wildfires, smoke plumes, air quality, PM - particulate matter, health impacts
The contaminated ground surface at Savannah River Site (SRS) is a result of the decades of work that has been performed maintaining the country's nuclear stockpile and performing research and development on nuclear materials. The volatilization of radionuclides during wildfire…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Southern
Keywords: South Carolina, radioecology, atmospheric dispersion, radioactive dose, wildfires, smoke plumes
An experimental and numerical study was carried out to assess the performance of the different submodels and parameters used to describe the burning dynamics of wildfires. A multiphase formulation was used and compared to static fires of dried pitch pine needles of different…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): 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: multiphase, forced flow, porosity, LES - Large Eddy Simulation, heat transfer, char
Past and current forest management affects wildland fire smoke impacts on downwind human populations. However, mismatches between the scale of benefits and risks make it difficult to proactively manage wildland fires to promote both ecological and public health. Building on…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Mapping, Models, Planning, Prescribed Fire, Safety, Social Science
Region(s): California
Keywords: 2013 Rim Fire, air quality, PM - particulate matter, socioecological systems, wildfires, wildland fire, Sierra Nevada, fire management, NOAA Hazard Mapping System, public health, PM2.5
We estimate the global Hg wildfire emissions for the 2000s and the potential impacts from the 2000–2050 changes in climate, land use and land cover and Hg anthropogenic emissions by combining statistical analysis with global data on vegetation type and coverage as well as fire…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biomass burning, climate change, land use, land cover, Hg - mercury
Introduction: Wildland fires degrade air quality and adversely affect human health. A growing body of epidemiology literature reports increased rates of emergency departments, hospital admissions and premature deaths from wildfire smoke exposure. Objective: Our research aimed to…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: health impacts, source apportionment, PM2.5, PM - particulate matter, CMAQ - Community Multiscale Air Quality Modeling System, ozone, wildland fires, wildfires, human health, air quality, literature review, morbidity, mortality
The purpose of this project is to actively distribute fire science research results through two currently scheduled international conferences. These conferences are currently being coordinated by the International Association of Wildland Fire. It is anticipated that between 40-…
Person:
Year: 2018
Type: Project
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: conferences, fire science delivery
This webinar will discuss various agricultural and forestry fires and their impacts on air quality, including smoke and other air emissions. Basic Smoke Management Practices (BSMPs) will be discussed as means to minimize air quality impacts from prescribed fires.
Person: Johnson
Year: 2018
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Monitoring and Inventory, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: BSMP - Basic Smoke Management Practices, smoke management, particulate emissions, NO2 - nitrogen dioxide, PM - particulate matter, O3 - ozone, air quality, NAAQS - National Ambient Air Quality Standards, PM2.5, wildland fire, smoke dispersion, topography, mixing height, ventilation index
Detailed characterization of the aerosol content of wildfire smoke plumes is typically performed through in situ aircraft observations, which have limited temporal and spatial coverage. Extending such observations to regional or global scales requires new remote sensing…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California
Keywords: aerosol, remote sensing, black carbon, plumes
Background: Between June and August 2014, Canada's Northwest Territories experienced their worst wildfire season on record, with prolonged smoke events and poor air quality. In total, 385 separate fires burned 3,400,000 hectares of land costing CAN$56·1 million in firefighting…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: air quality, Canada, Northwest Territories, PM2.5, PM - particulate matter, human health
During May 2016 a very large boreal wildfire burned throughout the Athabasca Oil Sands Region (AOSR) in central Canada, and in close proximity to an extensive air quality monitoring network. This study examines speciated 24-h integrated polycyclic aromatic hydrocarbon (PAH) and…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Canada, wildfires, PAH - polycyclic aromatic hydrocarbons, VOC - volatile organic compounds, Fort McMurray Fire, O3 - ozone, air quality, boreal forest
Growth of freshly nucleated particles is an important source of cloud condensation nuclei (CCN) and has been studied within a variety of environments around the world. However, there remains uncertainty regarding the sources of the precursor gases leading to particle growth,…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Eastern
Keywords: particle growth, forest, wildfires, Michigan, air masses