Type
Topic
Region
Year
Displaying 1 - 25 of 123
Savanna fires contribute significantly to global aerosol loading and hence to the Earth's radiative budget. Modeling of the climatic impact of these aerosols is made difficult due to a lack of knowledge of their size distribution. Australia is the third largest source of global…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, savannas, wildfires, aerosols, gases, emission factors, Northern Territory of Australia, trace gases
While the vast majority of carbon emitted by wildland fires is released as CO2, CO, and CH4, wildland fire smoke is nonetheless a rich and complex mixture of gases and aerosols. Primary emissions include significant amounts of CH4 and aerosol (organic aerosol and black carbon),…
Person:
Year: 2014
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: carbon emissions, greenhouse gases, biomass burning, emission factors
Emission factors and the size distribution for smoke particles from prescribed fire are described from data collected by airborne sampling, surface sampling using towers, and combustion hood systems. Emission factors…
Person:
Year: 1988
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FERA - Fire and Environmental Research Applications Team, smoke properties, emission factors, particulate matter (PM) emissions, fire management, forest management, smoke management, air quality, particulates, Montana, Arizona, Nevada, New Mexico, Oregon, Washington
Forest fires are becoming increasingly severe and frequent due to global climate change. Trace gases emitted from forest fires significantly affect atmospheric chemistry and climate change on a regional and global scale. Forest fires occur frequently in Southwest China, but…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: China, forest fires, trace gases, emission factors, combustion stage
Reliable predictions of emissions from wildland fires are a key element of smoke management programs. Emission factors (the amount of pollutants produced per amount of fuel consumed) are used in models to estimate the composition of smoke. Over…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: FOFEM - First Order Fire Effects Model, PM - particulate matter, PM2.5, air quality, fuel bed, flaming, smoldering, emission factors, wildfire
Deforestation and draining of the peatlands in equatorial SE Asia has greatly increased their flammability, and in September–October 2015 a strong El Niño-related drought led to further drying and to widespread burning across parts of Indonesia, primarily on Kalimantan and…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Indonesia, peatlands, PM - particulate matter, emission factors, PM2.5, air quality, FRP - Fire Radiative Power, El Niño
In this paper we present the first early dry season (early June-early August) emission factor measurements for carbon dioxide (CO2), carbon monoxide (CO), methane (CH4), nonmethane hydrocarbons (NMHC), and particulates with a diameter less than…
Person:
Year: 2003
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: atmospheric science, global change, savannas, Africa, savanna fires
Data on the optical absorption properties (expressed as a specific absorption, Ba) of the smoke emissions from fires with forest fuels have been determined for a series of low-intensity field fires and a series of laboratory scale fires. The Ba data have been used to estimate…
Person:
Year: 1986
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: absorption, laboratory fires, emission factors, smoke aerosol emissions, large wildfires, graphitic carbon, aerosols, air quality, broadcast burning, carbon, chemistry, climatology, field experimental fires, fire intensity, fuel types, laboratory fires, live fuels, logging, low intensity burns, needles, nuclear winter, organic matter, pine, post-fire recovery, radiation, slash, smoke behavior, tropical forest, wildfires
A physics/chemistry-based numerical model for predicting the emission of fine particles from wildfires is proposed. This model implements the fundamental mechanisms of soot formation in a combustion environment: soot nucleation, surface growth, agglomeration, oxidation, and…
Person:
Year: 2021
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: emission factor, wildfire modeling, soot formation, particulate emissions, fire simulations, HIGRAD, FIRETEC
Peatland fires are one of the major global sources of atmospheric particles. Emission factors for fine (PM1 and PM2.5) and ultrafine (PM0.1) particles and particle-bound polycyclic aromatic hydrocarbons (PAHs) from plants in the peat swamp…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Effects, Fire Occurrence, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: peat swamp forest, forest burning source, PAH - polycyclic aromatic hydrocarbons, Melaleuca cajuputi, PM2.5, PM1, PM0.1, leaf litter, PAH diagnostic ratios, particle emission factors
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…
Person:
Year: 2017
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): Northern Rockies, Northwest
Keywords: air quality, Idaho, Washington, agricultural burning, emission factors, wheat, bluegrass, particulate matter, organics, trace gas emissions, crop residue, combustion efficiency, carbon measurements, particulate matter, optical properties, PCDD/F emissions, forecast system
Smoke measurements were made during grass and forest understorey prescribed fires as part of a comprehensive programme to understand fire and smoke behaviour. Instruments deployed on the ground, airplane and tethered aerostat platforms characterised the smoke plumes through…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Prescribed Fire
Region(s): Southern
Keywords: black carbon, combustion efficiency, emission factor, PM - particulate matter, understory vegetation, RxCADRE, combustion, firing techniques, smoke behavior, Florida, air quality, biomass, CO2 - carbon dioxide, CO - carbon monoxide, CH4 - methane, military lands, particulates, fire management, forest management, smoke management, grasslands
Fires in tropical peatlands account for >25% of estimated total greenhouse gas emissions from deforestation and degradation. Despite significant global and regional impacts, our understanding of specific gaseous fire emission factors (EFs)…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: tropical peat, emission factors, peat, peatland degradation, greenhouse gases, Malaysia
Airborne measurements of trace gases and particles over and downwind of two prescribed savanna fires in Zambia are described. The measurements include profiles through the smoke plumes of condensation nucleus concentrations and normalized excess mixing ratios of particles and…
Person:
Year: 2004
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: Africa, emission factors, Zambia, airborne measurements, savanna fires
Atmospheric particulate matter can be strongly affected by smoke from biomass combustion, including wildfires, prescribed burns, and residential wood burning. Molecular source tracer techniques help determine contributions of biomass smoke to particle concentrations if…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, PM2.5, levoglucosan, IC-PAD, aerosols, emission factors, biomass, broadcast burning, C - carbon, cellulose, chemical compounds, combustion, duff, fire management, forest products, fuel types, grasses, laboratory fires, needles, particulates, sloping terrain, smoke management, wildfires, wood, wood properties
Fuel loading and fuel consumption were measured on four prescribed burns with a natural fuel component. These sites were in the Blue Mountains of northeastern Oregon. Emissions were characterized on three of these sites.
The fuel consumption was typical of a moderately wet…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: fuel loading, fuel consumption, Blue Mountains, northeastern Oregon, emission factors, CH4 - methane, CO - carbon monoxide, PM2.5, CONSUME, FOFEM - First Order Fire Effects Model, underburn, spring burn, NHMC - non-methane hydrocarbons
Emission factors (EFs) are crucial in understanding the effects of wildfire emissions on air quality. We examined the variability of EFs of three wildfires (Nethker, Castle, and 204 Cow) during the 2019 Western US wildfire season using the…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: emission factors, air quality, FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, MCE - modified combustion efficiency
People have set fire to the savannas of West Africa for millennia, creating a pyrogeography. Fires render the landscape useful for many productive activities, but there is also a long history of efforts to regulate indigenous burning practices. Today, savanna fires are under…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: savanna fires, CH4 - methane, emission factors, combustion efficiency, Africa
Acute and chronic exposure to wildfire smoke can cause numerous documented cardiopulmonary effects, although determining the casual components within the thousands of different chemicals found in both the particle and gas phases remains a toxicological challenge. Specifically,…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fires, PM - particulate matter, emission factor, smoldering, flaming, biomass smoke, biomass fuel, inhalation, toxicity, health effects
Considerable research has been carried out to estimate the chemical composition and the amount of trace gases and particulate matter emitted during short-duration flaming and smoldering combustion of fuels in the fire-prone forest and grassland ecosystems. For other forest…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, Northern Rockies, Northwest, Southern
Keywords: combustion efficiency, trace gas emissions, residual smoldering
Prescribed fire is a tool used to manage vegetation in southern California. The nature and quantity of gaseous and particulate emissions have not been described for California chaparral. A study examining carbon monoxide (CO), carbon dioxide (CO2), and particulate matter…
Person:
Year: 1991
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: chaparral, Adenostoma fasciculatum, Ceanothus crassifolius, Quercus dumosa, Arctostaphylos glandulosa, air quality, carbon dioxide, CO - carbon monoxide, combustion, experimental fire, fire management, firing techniques, gases, ignition, live fuels, moisture, particulates, Quercus dumosa, range management, scrub, season of fire, shrubs
Smouldering peat fires, the largest fires on Earth in terms of fuel consumption, are reported in six continents and are responsible for regional haze episodes. Haze is the large-scale accumulation of smoke at low altitudes in the atmosphere. It decreases air quality, disrupts…
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, International, National
Keywords: smoldering, peat fires, emission factor, MCE - modified combustion efficiency, wildfires, haze, air quality, PM - particulate matter, literature review
Satellite estimates of burned area, associated carbon monoxide (CO) emission estimates, and CO column retrievals do not agree on the peak fire month in Africa, evident in both Northern and Southern Africa though distinct in the burning seasonality. Here we analyze this long‐…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Africa, combustion efficiency, atmospheric inversion, CO - carbon monoxide, Bayesian analysis, MOPITT - Measurement of Pollution in the Troposphere instrument, MOPITT CO, GFED - Global Fire Emissions Database, burned area
This paper describes emission factors for several gaseous and particulate matter emissions from burning chaparral fuels found primarily in the southwestern United States. Measurements of the smoke were taken for flaming and smoldering combustion…
Person:
Year: 1989
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): California
Keywords: chaparral, prescribed fire emissions, air quality, CO - carbon monoxide, gases, hydrocarbons, particulates, pollution, fire management, smoke management
The rate of deforestation in Brazil increased by 29% between 2015 and 2016, resulting in an increase of greenhouse gas emissions (GHG) of 9%. Deforestation fires in the Amazonia are the main source of GHG in Brazil. In this work, amounts of CO2, CO, main hydrocarbon gases and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Brazil, Amazon, emission factors, PM2.5, CO2 - carbon dioxide, forest fires, greenhouse gas emissions, deforestation