Type
Topic
Region
Year
Displaying 1 - 25 of 89
Shawn Urbanski, Research Scientist with the USDA Forest Service Rocky Mountain Research Station presented the latest research in emission factors. Emission factors are a key component to estimating emissions of…
Person: Urbanski
Year: 2016
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fire, air quality, EI - Emission Inventory, emission factors, field measurements
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
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
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
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: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass burning, wildfires, aerosols, air quality, carbon, carbon dioxide, greenhouse gases, nitrogen, fire management, smoke management, biomass burning, greenhouse gases, 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
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
The WebFIRE application web site provides fast and complete access to the Agency's air emissions factors information. WebFIRE has replaced the software application, FIRE version 6.25 and the MS Access version of the database. The Factor…
Person:
Year:
Type: Tool
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: emission factor, air pollutants
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
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
Smoke emission factors (EFs) have been developed for a variety of wildland fuels beginning in the late 1960s. Many of these EFs have been presented in a variety of outlets and there is no centralized repository containing many of the EFs…
Person:
Year: 2014
Type: Data
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: particulates, trace gases, biota
We measured the emission factors for 19 trace gas species and particulate matter (PM2.5) from 14 prescribed fires in chaparral and oak savanna in the southwestern US, as well as conifer forest understory in the southeastern US and Sierra Nevada…
Person:
Year: 2011
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): California, Southern, Southwest
Keywords: chaparral, North Carolina, Arizona, monoterpenes, particles, AFTIR - airborne Fourier transform infrared spectroscopy, emission factors, trace gases, LaFTIR - land-base Fourier transform infrared spectroscopy, temperate coniferous forest
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
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
An extensive program of experiments focused on biomass burning emissions began with a laboratory phase in which vegetative fuels commonly consumed in prescribed fires were collected in the southeastern and southwestern US and burned in a series 5 of 71 fires at the US Forest…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern, Southwest
Keywords: field experimental fires, trace gas emissions, emission factors, laboratory experiments, biomass burning
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
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
Biomass burning is a major source of emissions to the atmosphere. Some of these emissions may change global climate. This paper uses combustion efficiency as an independent variable for predicting emission factors for, among others, carbon…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fire, biomass burning, combustion efficiency, FERA - Fire and Environmental Research Applications Team, emission factors
Emission factors for several trace gases were determined using airborne measurements from 13 biomass fires in North America. Emissions of methane (CH4), nonmethane hydrocarbons (NMHC), hydrogen (H2) and ammonia (NH3) were found to be positively…
Person:
Year: 1992
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, North America, smoke measurements, trace gas emissions, biomass burning, biomass burning emissions inventories, airborne measurements
Aerostat-lofted instrument and sampling method for determination of emissions from open area sources
An aerostat-borne instrument and sampling method was developed to characterize air samples from area sources, such as emissions from open burning. The 10 kg battery-powered instrument system, termed “the Flyer”, is lofted with a helium-filled aerostat of 4 m nominal diameter and…
Person:
Year: 2011
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air samples, open burning, emission factors, detonation, CO2 - carbon dioxide, SVOC - semi-volatile organic compounds, VOC - volatile organic compounds, PM - particulate matter