Skip to main content

Displaying 1 - 11 of 11

There is a lack of in-depth examination of the two basic assumptions used in calculating particulate matter (PM2.5) emission factors (EFs): 1) that the ambient CO2 concentration is constant whether in a fire plume sample or in the ambient air (…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: particulates, air quality, PM2.5, emission factor, MCE - modified combustion efficiency, Differential Diffusion, Thermal-Analysis Mesta, black carbon, PM - particulate matter, trace gases, biomass, vegetation, forest

The increasing frequency and severity of wildfires poses human health risks, especially for those within burnt regions. The potential health effects of fire ash on farmworkers in orchards via inhalation exposure after fire is rarely studied. After the 2017 Thomas Fire, in…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): California
Keywords: arsenic, Chromium(VI), particle emission factor, risk assessment, trace elements, wildfires, Thomas Fire, ash, health risk

From the text ... 'Prescribed burning is a significant source of fine particulate matter (PM2.5) in the southeastern United States. However, limited data exist on the emission characteristics from this source. Various organic and inorganic compounds both in the gas and particle…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: aerosols, air quality, C - carbon, chemical compounds, chemistry, coniferous forests, fire hazard reduction, fire management, forest management, fuel accumulation, fuel management, gases, Georgia, military lands, nongame birds, particulates, Picoides borealis, pine forests, smoke management, soil organisms, threatened and endangered species (animals), wildfires, wood, Fort Benning, FORT GORDON, levoglucosan, POC - Particulate Organic compound, VOC - volatile organic compounds

In the United States, prescribed burning of wildlands is practiced on over 2 million hectares of land each year. Based on our survey conducted in 1989, approximately 70, 20, and 10% of this burning occurs in the Southeast, Pacific Northwest, and Rocky Mountain regions,…
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, chemical elements, dead fuels, duff, ecosystem dynamics, forest management, fuel appraisal, fuel loading, litter, live fuels, particulates, Pinus elliottii, season of fire, smoke effects, smoke managementtoxicity, wildlife habitat management

Emissions from burning piles of post-harvest timber slash (Douglas-fir) in Grande Ronde, Oregon were sampled using an instrument platform lofted into the plume using a tether-controlled aerostat or balloon. Emissions of carbon monoxide, carbon dioxide, methane, particulate…
Person:
Year: 2017
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Northwest
Keywords: burn piles, slash, Oregon, Douglas-fir, Pseudotsuga menziesii, PM - particulate matter, CO - carbon monoxide, CO2 - carbon dioxide, CH4 - methane, black carbon, fuel moisture, air quality, particulates

This paper presents airborne measurements of multiple atmospheric trace constituents including greenhouse gases (such as CO2, CH4, O3) and biomass burning tracers (such as CO, CH3CN) downwind of an exceptionally large wildfire. In summer 2013, the Rim wildfire, ignited just west…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Hazard and Risk
Region(s): California
Keywords: wildfires, trace gases, emission factors, enhancement ratios, airborne measurements, greenhouse gases, biomass burning, 2013 Rim Fire, fire case histories, fire size, fire management

'A program of burning experiments was carried out to assess the air pollutant emmissions potential of forest residues in the Pacific Norhtwest. Only the fine fuel component of slash fuelbeds was considered. Ponderosa pine slash, Douglas-fir slash with needles, and Douglas-fir…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): California, Great Basin, Northwest
Keywords: aerosols, air quality, air temperature, CO - carbon monoxide, clearcutting, combustion, coniferous forests, field experimental fires, fine fuels, fire intensity, fire management, fire retardants, flammability, fuel appraisal, fuel arrangement, fuel loading, fuel management, fuel models, fuel moisture, fuel types, gases, humidity, hydrocarbons, ignition, laboratory fires, live fuels, logging, needles, old growth forests, particulates, Pinus ponderosa, pollution, Pseudotsuga menziesii, rate of spread, second growth forests, slash, smoke effects, smoke management, Thuja plicata, Tsuga heterophylla, understory vegetation, Washington, wildfires, wind

Smoke plumes from fires contain atmospheric pollutants that can be transported to populated areas and effect regional air quality. In this paper, the characteristics and impact of the fire plumes from a major fire event that occurred in October 2013 (17-26) in the New South…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Models, Hazard and Risk, Fire Effects, Fire Behavior
Region(s): International
Keywords: fire case histories, smoke effects, wildfires, Australia, New South Wales, air quality, pollution, fire management, forest management, smoke management, air quality, bushfires, Regional Model, Sydney Region, injection height, Ftir Spectrometer, emission factors, Transform Infrared-Spectroscopy, biomass burning emissions, trace gases, particulate matter, vegetation fires, pollution, wildfires, aerosols, forest

Prescribed fire is the intentional use of fire to achieve certain land management goals. Over 2 million acres of forest land in the southern United States are treated with this tool each year. The benefits from these burns can be offset by a degradation of air quality due to the…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: aerosols, air quality, backfires, combustion, distribution, fire hazard reduction, fire intensity, fire management, forest management, fuel moisture, fuel types, grasses, hardwood forests, Ilex glabra, land management, leaves, litter, needles, particulates, pine forests, Pinus elliottii, Pinus taeda, Quercus rubra, sampling, Serenoa repens, smoke management, Solidago, wind

A high-intensity wildfire burnt through a dry Eucalyptus forest in south-eastern Australia that had been fuel reduced with fire 3 months prior, presenting a unique opportunity to measure the effects of fuel reduction (FR) on forest carbon and greenhouse gas (GHG) emissions from…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk
Region(s): International
Keywords: charcoal, fuel reduction, biomass, greenhouse gases, Australia, emission factors, C - carbon, modified combustion action, fine fuels, fire hazard reduction, fire intensity, fuel accumulation, heavy fuels, surface fuels, wildfires, air quality, ground cover, litter, shrubs, size classes, snags, understory vegetation, eucalyptus, Victoria, fire management, forest management, fuel management, sclerophyll forests

In this air quality assessment, aerial photo attributes and an emissions inventory approach were used to estimate smoke production over time for the Deschutes, Grand Ronde, Methow, Pend Oreille, Wenatchee, and Yakima river basins in eastern Oregon and eastern Washington.…
Person:
Year: 1994
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Hazard and Risk, Mapping, Models, Planning, Prescribed Fire
Region(s): Northwest
Keywords: air quality, forest health, FERA - Fire and Environmental Research Applications Team, eastern Oregon, eastern Washington, PM10 emissions, Deschutes River Basin, Grand Ronde River Basin, Methow River Basin, Pend Oreille River Basin, Wenatchee River Basin, Yakima River Basin, wildfires, smoke production, vegetation mapping, aerial photo interpretation, current fuel loading, CONSUME, photo series, emission factors, fuel moisture, fuel consumption, emission production, historical fuel loading