Skip to main content

Displaying 1 - 25 of 50

In the Huon Valley, Tasmania, current public perception is that smoke from regeneration burning is the principal cause of pollution events in autumn. These events lead to exceedences of national air quality standards and to significant health impacts on the rural population. To…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: biomass burning, season of fire, aerosols, air quality, particulates, pollution, regeneration, Tasmania, Australia, fire management, forest management, particulate matter, levoglucosan, residential wood burning, biomass, Huon Valley Tasmania

Smoke plume height is important for modelling smoke transport and resulting effects on air quality. This study presents analyses of ceilometer measurements of smoke plume heights for twenty prescribed burns in the south-eastern United States. Measurements were conducted from mid…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Southern
Keywords: fire frequency, fire size, smoke behavior, air quality, military lands, national forests, particulates, statistical analysis, Pinus palustris, longleaf pine, north Florida, Georgia, fire management, smoke management, coastal plain, pine hardwood forests, sandhills, wildlife refuges, ceilometer measurement, particulate matter (PM) concentrations, smoke plume height

Wildland firefighters in the United States are occupationally exposed to high levels of woodsmoke. Results from experimental studies show that exposure to woodsmoke induces inflammation. A study was conducted to investigate the effect of occupational woodsmoke exposure on…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: fire injuries (humans), firefighting personnel, smoke effects, air quality, health factors, South Carolina, fire management, smoke management, dried blood spot, inflammation, interleukin-8, wildland firefighters, woodsmoke

The worldwide 'wildfire' problem is headlined by the loss of human lives and homes, but it applies generally to any adverse effects of unplanned fires, as events or regimes, on a wide range of environmental, social, and economic assets. The problem is complex and contingent,…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Fire Prevention, Prescribed Fire, Economics, Fuels, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: fire control, fire damage (property), fire intensity, fire regimes, fire size, fire suppression, firebrands, flame length, lightning caused fires, prescribed fires (escaped), rate of spread, wildfires, air quality, mortality, species diversity (plants), succession, fire management, forest management, fuel management, smoke management, adaptation, asset, biodiversity, disaster, fire management, fire regime, human fatality, policy

Emissions of trace gases and particles £ 2.5 microns aerodynamic diameter (PM2.5) from fires during 2008-2011 on the North Carolina coastal plain were collected and analyzed. Carbon mass balance techniques were used to quantify emission factors (EFs). PM2.5 EFs were at least a…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: biomass burning, fuel loading, wildfires, air quality, C - carbon, organic soils, peat, North Carolina, fire management, fuel management, soil management, coastal plain, biomass burning, organic soil, North Carolina, PM2.5, CO2 - carbon dioxide, CO - carbon monoxide, levoglucosan

Exposure to combustion products from wildland fires causes respiratory irritation and decreased lung function among firefighters. The authors evaluated carbon monoxide (CO) exposures of a group of wildland firefighters who conducted prescribed burns in the southeastern United…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire, Safety
Region(s): Southern
Keywords: firefighting personnel, CO - carbon monoxide, health factors, fire management, forest management, exposure assessment, wildland, firefighter

Experimental studies indicate that exposure to woodsmoke could induce oxidative stress. However studies have not been conducted among the general population and specialized occupational groups despite the existence of elevated woodsmoke exposure situations. Therefore, we…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire, Safety
Region(s): Southern
Keywords: firefighting personnel, smoke effects, air quality, health factors, pollution, Georgia, South Carolina, fire management, smoke management, coastal plain, pine hardwood forests, oxidative stress, 8-oxo-7, 8-dihydro-2 '-deoxyguanosine (8-oxo-dG), malondialdehyde (MDA), wildland firefighters, woodsmoke, oxidatively damaged DNA

Smoke dispersion modelling based on the Fire Emission Production Simulator and the Hybrid Single Particle Lagrangian Integrated Trajectory (FEPS-HYSPLIT) model was applied to prescribed burns in the Lake Tahoe Basin (LTB) during fall 2011. This, in conjunction with measurements…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): California, Great Basin
Keywords: combustion, biomass burning, smoke effects, air quality, pollution, Nevada, fire management, forest management, smoke management, smoke forecast, biomass burning, emission model, PM2.5 emission factor, WRF, IMPROVE network

In recent years, bushfires and prescribed burns have caused substantial economic loss to the wine industry due to smoke taint, which makes wine unpalatable. Considerable research is being done to ameliorate smoke taint but the information available about the effect of smoke on…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Prescribed Fire
Region(s): California, International
Keywords: smoke effects, wildfires, agriculture, gases, leaves, litter, photosynthesis, statistical analysis, transpiration, Australia, fire management, land management, smoke management, bushfire, gas exchange, stomatal conductance, transpiration, physiology, grapevines

Smoke pollution from wildfires can adversely affect human health, and there is uncertainty about the amount of smoke pollution caused by prescribed v. wildfires, a problem demanding a landscape perspective given that air quality monitoring is sparse outside of urban airsheds.…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Occurrence, Intelligence, Prescribed Fire
Region(s): International
Keywords: fire intensity, fire size, wildfires, air quality, pollution, remote sensing, Victoria, New South Wales, Australia, fire management, landscape ecology, smoke management, biomass smoke pollution, eucalypt forest, fire management, landscape ecology, MODIS - Moderate Resolution Imaging Spectroradiometer, smoke plume, smoke pollution

Savannas constitute the most fire-prone biome on Earth and annual emissions from savanna-burning activities are a globally important source of greenhouse-gas (GHG) emissions. Here, we describe the application of a commercial fire-management program being implemented over 28 000…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: fire regimes, season of fire, aborigines, air quality, greenhouse gases, Northern Territory of Australia, Queensland, western Australia, Australia, fire management, range management, savannas

Key Findings: 1)Climate forecasts indicate that the South's spring and fall wildfire seasons will be extended. 2)Prescribed fires, currently conducted on roughly a 3 to 5 year rotation across much of the South, would need to become more frequent if conditions become drier. 3)…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fuels, Mapping, Prescribed Fire, Safety
Region(s): Southern
Keywords: air quality, climate change, fire potential, human health, PDI - Palmer Drought Index, fuel build up, climate scenario, wildfire potential mapping, future fire activity, prescribed fire alternatives

The term 'backfire' refers to a commonly used method for prescribed burning in which the igniter sets a line of fire that slowly backs into the wind. This technique should not be confused with the colloquial use of the term 'backfire' for 'suppression fire,' which refers to any…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire intensity, backfire

We report trace-gas emission factors from three pine-understory prescribed fires in South Carolina, US measured during the fall of 2011. The fires were more intense than many prescribed burns because the fuels included mature pine stands not subjected to prescribed fire in…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Southern
Keywords: longleaf pine, Pinus palustris, South Carolina, smoldering, fourier transform infrared spectroradiometer

While North American ecosystems vary widely in their ecology and natural historical fire regimes, they are unified in benefitting from prescribed fire when judiciously applied with the goal of maintaining and restoring native ecosystem composition, structure, and function. On a…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, fire benefits, ecosystem health, historic fire regimes

On 28 September 2009, the Naches Ranger District on the Okanogan-Wenatchee National Forest in south-central Washington State ignited an 800-ha prescribed fire. Later that afternoon, elevated PM2.5 concentrations and visible smoke were reported in Yakima, Washington, about 40 km…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire, Weather
Region(s): Northwest
Keywords: fire weather, Okanogan-Wenatchee National Forest, decision support, smoke dispersion, smoke modeling, Washington, BlueSky Modeling Framework, Weather Research and Forecasting model

Smoke management is one of the most important considerations in all fire prescriptions. In many situations it is the first planning step-the rest of the prescription is built around smoke dispersal in a specific direction. National Weather Service forecasts provide a key source…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Planning, Prescribed Fire
Region(s): Southern
Keywords: FEPS - Fire Emissions Production Simulator, HYSPLIT-CheM forecast model, smoke management, VSMOKE, Simple Smoke Screening model

We applied standard forest inventory and soil sampling techniques to estimate carbon stocks in aboveground forest components and belowground in soil and fine roots to 30 cm depth before, and immediately after, low intensity planned burning. Three areas within Eucalyptus obliqua…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): International
Keywords: CWD - coarse woody debris, litter, biomass, carbon stock, understory, Australia, Eucalyptus obliqua , carbon dioxide

Modeling fire effects, including terrestrial and atmospheric carbon fluxes and pollutant emissions during wildland fires, requires accurate predictions of fuel consumption. Empirical models were developed for predicting fuel consumption from fuel and environmental measurements…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire, Weather
Region(s): Southern
Keywords: fuel loading, gallberry, longleaf pine, Pinus palustris, saw palmetto, FERA - Fire and Environmental Research Applications Team, shrubs, pine flatwoods, fuel consumption, fire size, fuel moisture, wildfires, air quality, duff, herbaceous vegetation, litter, national forests, statistical analysis, SFP - Southern Fire Portal, Aristida stricta, wiregrass, Ilex glabra, Picoides borealis, red-cockaded woodpeckers, Pinus elliottii, slash pine, Pinus serotina, pond pine, Quercus chapmanii, Chapman oak, Quercus minima, dwarf live oak, Serenoa repens, Apalachicola National Forest, St. Marks National Wildlife Refuge, Florida, Georgia, flatwoods, fire management, forest management, fuel management, pine forests

Exposure to combustion products from wildland fires causes respiratory irritation and decreased lung function among firefighters. The authors evaluated carbon monoxide (CO) exposures of a group of wildland firefighters who conducted prescribed burns in the southeastern United…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire, Safety
Region(s): Southern
Keywords: southeastern United States, firefighter health, smoke exposure, CO - carbon monoxide

Sequestration of carbon (C) in forests has the potential to mitigate the effects of climate change by offsetting future emissions of greenhouse gases. However, in dry temperate forests, wildfire is a natural disturbance agent with the potential to release large fluxes of C into…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire
Region(s): California, Northern Rockies, Northwest, Southwest
Keywords: fire severity, literature review, carbon dynamics, carbon sequestration, FERA - Fire and Environmental Research Applications Team, fuel treatment

Fuel consumption predictions are necessary to accurately estimate or model fire effects, including pollutant emissions during wildland fires. Fuel and environmental measurements on a series of operational prescribed fires were used to develop empirical models for predicting fuel…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain
Keywords: Artemisia tridentata, big sagebrush, area burned, shrubs, burn season, fuel consumption

The worldwide 'wildfire' problem is headlined by the loss of human lives and homes, but it applies generally to any adverse effects of unplanned fires, as events or regimes, on a wide range of environmental, social, and economic assets. The problem is complex and contingent,…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biodiversity, fire management, fire regime, adaptation, policy, fatalities, disaster, assets

The ability to predict forest fuel consumption is critical, namely in the frame of hazard-reduction burning treatments designed to achieve effective fuel reduction with minimal environmental impact. Litter and understory fine fuels (diameter <0.6 cm) consumption by fire were…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): International
Keywords: fuel moisture, CO2 - carbon dioxide, Portugal, fire danger rating, fuel consumption, Mediterranean pine forest, experimental fire, fine fuels, fire hazard reduction, fuel loading, surface fires, air quality, litter, understory vegetation, Pinus pinaster, fire management, maritime pine, forest management, fuel management, Mediterranean habitats, pine forests

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