Type
Topic
Region
Year
Displaying 1 - 25 of 137
Presentation to the 33rd Conference on Agricultural and Forest Meteorology/12th Fire and Forest Meteorology Symposium/Fourth Conference on Biogeosciences. This presentation focuses on emission factors for wildland fire fuels.
Person: O'Neill
Year: 2018
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: emission factor, smoke modeling, smoke models
Prescribed fires are used on about 155,000 acres of land each year in the Pacific Northwest states of Oregon and Washington. Particulate matter emission factors can be altered by selecting optimal burning conditions to improve combustion…
Person:
Year: 1986
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): California, Northwest
Keywords: Oregon, phases of combustion, Washington, emission factors, particulate matter (PM) emissions
Aerosol emissions from vegetation fires have a large impact on air quality and climate. In this study, we use published experimental data and different fitting procedures to derive dynamic particle number and mass emission factors (EFPN, EFPM)…
Person:
Year: 2010
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: particle size, vegetation fires, emission factors, aerosol emissions
This paper reports relationships between emission factor (EFp) and fire intensity for burns in the palmetto-gallberry fuel type where fireline intensities ranged up to 1,750 kw m^-1 . A model that is presented has application in determining the…
Person:
Year: 1980
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models
Region(s): Southern
Keywords: carbon balance, fire intensity, emission factor, fuel type, PM - particulate matter, palmetto-gallberry fuel complex
The purpose of the workshop was for research scientists, air quality specialists, policy administrators, and others to present and discuss recent advances in research relating to estimation of emission factors for particulate matter (PM) and its…
Person:
Year: 2012
Type: Document
Source: FRAMES
Topic(s): Administration, Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, emission estimates, FERA - Fire and Environmental Research Applications Team, emission factors, particulate matter (PM) emissions, workshop summary
A Southern Fire Exchange webinar hosted the National Wildland Fire Coordinating Group (NWCG) Smoke Committee and presented by Kevin Robertson, Ph.D. of Tall Timbers Research Station. This 1-hour webinar discussed recent research by Dr. Robertson on emission…
Person: Robertson
Year: 2016
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models
Region(s): Southern
Keywords: PM2.5 emissions, particulate emissions, PM2.5, emission factor, pine-grasslands, Florida, Georgia, SEM - structural equation modeling, PCA - Principle Component Analysis
Particulate-matter emission factors and Byram's fire-intensity values were computed for experimental backfires in pine-litter and palmetto-gallberry fuels in the Southeast. The combined data for both fuel types were in reasonable agreement with…
Person:
Year: 1980
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): Southern
Keywords: fire intensity, PM - particulate matter, emission factors, emission factor models, backfire, fuel moisture, fuel types, Ilex glabra, particulates, Serenoa repens, smoke management
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
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
Recent estimates of particulate production from forest fires in the United States have ranged from 500,000 to 54,000,000 tons annually. This has been due partly to disparities in estimates of fuel that is consumed during the combustion process, but more to the choice of …
Person:
Year: 1976
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: emission factor, PM - particulate matter
An inventory of particulate matter and air toxic emissions from prescribed fires in the USA for 1989
This report documents a prescribed fire emissions inventory developed using consistent methodology for each of the 50 states of the USA for calendar year 1989. Emissions of particulate matter, selected toxic compounds, and a few other carbon-containing compounds are estimated.…
Person:
Year: 1993
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: emissions inventory, particulate matter, fuel complexes, toxic compounds, emission factors
Eighteen experimental fires were used to compare measured and calculated values for emission factors and fuel consumption to evaluate the carbon balance technique. The technique is based on a model for the emission …
Person:
Year: 1982
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: laboratory fires, smoke management, forest fire smoke, smoke plume concentrations, air quality, carbon, carbon dioxide, gases, particulates, smoke behavior
Burning of agricultural waste residue is a common method of disposal when preparing land following crop harvest. This practice introduces volatile organic compounds, including polycyclic aromatic hydrocarbons (PAHs), into the atmosphere. This study examines the particle size…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels
Region(s): California
Keywords: PAH - polycyclic aromatic hydrocarbons, particle size, distribution, agricultural burning, emission factors, biofuel, carbon, chemical compounds, combustion, cropland fires, fire management, fuel loading, hydrocarbons, particulates, smoke management, statistical analysis, temperature
Management of smoke from prescribed fires requires knowledge of fuel quantity and the amount and composition of the smoke produced by the fire to minimize adverse impacts on human health. A five-year study produced new emissions information for more than 100 trace gases and…
Person:
Year: 2015
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: longleaf pine, Pinus palustris, smoldering, emission factors, pocosin, flaming, residual smoldering, trace gases, infrared spectroscopy, smoke particulates
Wildland fires are a major source of gases and aerosols, and the production, dispersion, and transformation of fire emissions have significant ambient air quality impacts and climate interactions. The increase in wildfire area burned and severity across the United States and…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest, International
Keywords: emission factors, wildland fire, wildfire, PM2.5, PM - particulate matter, CH4 - methane, C - carbon, VOC - volatile organic compounds
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
A Resource from the Western Regional Air Partnership's (WRAP) Fire Emissions Joint Forum (FEJF)In December 2002 the FEJF issued a request for proposal for a bibliography and summary table on Emission Reduction Techniques for agricultural burning and wildland fire in support of…
Person:
Year: 2004
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Fire Behavior
Region(s): National, Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: WRAP - Western Regional Air Partnership, emission factors, agricultural burning, emissions reduction, agricultural residues, burning index, wildland fire
Leaves from three species of Eucalyptus were combusted in a mass-loss calorimeter to characterise the effect of fuel moisture on energy release and combustion products for this genus. Increasing moisture content reduced peak heat release and the effective heat of combustion in a…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Occurrence, Fuels
Region(s): International
Keywords: combustion, fire control, fire intensity, fuel moisture, heat, ignition, air quality, CO2 - carbon dioxide, leaves, Eucalyptus spp., Australia, fire management, fuel management, effective heat of combustion, emission factors, Eucalyptus bicostata, Eucalyptus saligna, Eucalyptus tereticornis, heat release rate, ignition probability, time to ignition, heat of combustion
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
This report describes the methodology used to develop emission factors for particulates, carbon monoxide and hydrocarbons from the burning of street tree leaves. This project was an outgrowth of one carried out for the State of Illinois where…
Person:
Year: 1976
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): California, Great Basin
Keywords: Aesculus hippocastanum, air quality, carbon, CO - carbon monoxide, eucalyptus, firing techniques, Fraxinus, Fraxinus nigra, fuel moisture, hydrocarbons, ignition, Illinois, leaves, Liquidambar styraciflua, Liriodendron tulipifera, Magnoliaceae, particulates, Platanus, pollution, Populus deltoides, Robinia pseudoacacia, sampling, Ulmus americana
Inventories of methyl halide emissions from domestic burning of biomass in Africa, from 1950 to the present day and projected to 2030, have been constructed. By combining emission factors from Andreae and Merlet [2001. Emission of trace gases…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels
Region(s): International
Keywords: aerosols, Africa, air quality, biogeochemical cycles, biomass, biomass burning, charcoal, chemical compounds, fire management, fuel management, gases, Africa, biofuel, domestic biomass burning, emission factor, methyl halide
Emissions of trace gases and particulate matter from burning of biomass are generally factored into global climate models. Models for improving the estimates of the global annual release of emissions from biomass fires are presented. Estimates of total biomass consumed on a…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): California, Northwest
Keywords: PM - particulate matter, trace gas emissions, biomass burning, atmospheric chemistry
In this study, volatile and semi-volatile organic compound (VOCs and SVOCs) mass emission factors were determined from laboratory peat fire experiments. The peat samples originated from two National Wildlife Refuges on the coastal plain of North…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels
Region(s): Southern
Keywords: biomass burning, laboratory fires, peat fires, North Carolina, air quality, C - carbon, organic soils, peat, fire management, smoke management, coastal plain, biomass burning, organic soil, VOC - volatile organic compounds, emission factors, Fine-Particle Emissions, wood combustion, source apportionment, particulate matter, gas phase, biomass, tracers
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