Type
Topic
Region
Year
Displaying 151 - 175 of 401
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
Open biomass burning (excluding biofuels) is an important contributor to air pollution in the Asian region. Estimation of emissions from fires, however, has been problematic, primarily because of uncertainty in the size and location of sources and in their temporal and spatial…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models
Region(s): International
Keywords: CONSUME, FCCS - Fuel Characteristic Classification System, Asia, FERA - Fire and Environmental Research Applications Team, MODIS - Moderate Resolution Imaging Spectroradiometer, BlueSky Modeling Framework, open biomass burning, atmospheric emissions
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
This study attempts to understand the effect of the main fire factors (smoke, ash and heat) on the germination of three invasive species widely distributed in many countries: Acacia melanoxylon, Conyza canadensis and Eucalyptus globulus. Fifteen simple treatments were tested: 3…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: ash, germination, heat, invasive species, Spain, Eucalyptus globulus, Conyza canadensis, post-fire response, Acacia melanoxylon, heat effects, post-fire recovery, smoke effects, Canadian horseweed, blue gum, Europe, fire management, forest management, smoke management
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
Boreal forests constitute the world's largest terrestrial carbon pools. The main natural disturbance in these forests is wildfire, which modifies the carbon budget and atmosphere, directly and indirectly. Wildfire emissions in Russia contribute substantially to the global carbon…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke
Region(s): International
Keywords: area burned, carbon cycle, land cover, Siberia, fuel consumption, fire hazard reduction, fire size, wildfires, air quality, C - carbon, cover, mosaic, remote sensing, Russia, fire management, forest management, fuel management, boreal forests, grasslands, taiga, tundra, wetlands
The air in the valley settles like a grey blanket, engulfing residents with lingering smoke for what could be days or weeks. The smoke might come from a wildfire being fought miles away, a prescribed burn, or a neighbor's woodstove or burn pile. The wind may sweep this low-…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Hazard and Risk, Safety, Social Science
Region(s): Northwest
Keywords: public opinion, smoke impacts, public perceptions, NWFSC - Northwest Fire Science Consortium
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
Fire disturbance is a primary driver of forest dynamics across the circumpolar boreal region, although there are major differences in continental fire regimes. Relatively infrequent, high intensity crown fires dominate North American boreal forests, and low to moderate intensity…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Models, Weather
Region(s): Alaska, International
Keywords: boreal forest, Canada, fire regimes, carbon emissions, Russia, global climate models, fire intensity, fire size, surface fires, wildfires, air quality, C - carbon, climate change, disturbance, fire management, forest management, coniferous forests
Boreal forest dynamics are largely driven by disturbance, and fire is a prevalent force of change across the boreal circumpolar region. North American and Eurasian boreal fire regimes are known to be very different but there are few quantitative comparison studies. Russian and…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Models, Weather
Region(s): International
Keywords: boreal forest, Canada, fire regimes, carbon emissions, Russia, fire danger rating, fire intensity, fuel loading, fuel types, rate of spread, wildfires, air quality, C - carbon, fire management, forest management
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
Areas affected by forest fires that occurred in 2005 were mapped in the municipalities of Boca do Acre and Lábrea (in the southern part of Brazil's state of Amazonas) and estimates were made of the loss of biomass and carbon stock and the committed emissions from increased tree…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Mapping
Region(s): International
Keywords: carbon emissions, global warming, greenhouse gases, satellite imagery, Amazon, Brazil, fire injuries (plants), fire scar analysis, fire size, wildfires, air quality, biomass, C - carbon, mortality, remote sensing, fire management, forest management, tropical forest
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
Models of fire behavior and effects do not always make accurate predictions, and there is not enough systematically gathered data to validate them. To help advance fire behavior and fire effects model development, the Joint Fire Science Program is helping fund the RxCADRE, which…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aircraft, fire data, RxCADRE
Wildland fires present a challenging environment to make meteorological measurements. Observations in the vicinity of wildland fires are needed to better understand fire-atmosphere interactions and to provide data for the evaluation of coupled fire-atmosphere models. An…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California
Keywords: Doppler lidar, fire plumes, divergence
Seedlings of Phacelia strictiflora A.L. de Jussieu (Hydrophyllaceae) germinate profusely after major fires in the Cross Timbers forest of Oklahoma and rarely at other times and places. Seed germination was greatly enhanced under laboratory conditions by exposure to a water…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): Southern
Keywords: germination, smoke-induced germination, Oklahoma, Phacelia strictiflora, regeneration
[from the text] Land managers and officials need to understand the diverse public opinions toward smoke from wildland fires; however, a very limited amount of research has been conducted on this topic. Hence, land and fire managers are largely uncertain about society's…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: escaped fire, public perception, trust, public health, public attitudes
At the request of the National Wildfire Coordinating Group (NWCG) Equipment and Technology Committee, the National Technology and Development Center undertook a project to determine the exposure levels of wildland smoke to firefighters. In 2010, at the request of the NWCG Risk…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: carcinogen, respirable dust, inhalation irritants, particulate exposure, vegetative smoke
Emissions from biomass combustion are a major source of indoor and outdoor air pollution, and are estimated to cause millions of premature deaths worldwide annually. Whilst adverse respiratory health effects of biomass exposure are well established, less is known about its…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): International
Keywords: air pollution, biomass, health effects, heart rate, respiratory illness, cardiovascular disease, blood pressure
Diagnostic carbon cycle models produce estimates of net ecosystem production (NEP, the balance of net primary production and heterotrophic respiration) by integrating information from (i) satellite-based observations of land surface vegetation characteristics; (ii) distributed…
Person:
Year: 2013
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, International, National
Keywords: Canada, carbon flux, atmospheric inversion, NEP - Net Ecosystem Productivity, rivers, Mexico, biomass burning, NEE - net ecosystem exchange
Developed as a quantitative measurement of fire intensity, fire radiative power (FRP) and the potential applications to smoke plume injection heights, are currently limited by the pixel resolution of a satellite sensor. As a result, this study, the first in a two-part series,…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California
Keywords: fire temperature, fire area, fire detection, MODIS - Moderate Resolution Imaging Spectroradiometer, satellite, biomass burning, FRP - Fire Radiative Power
Fire radiative power (FRP) over a pixel area has been highlighted as a valuable parameter for quantitatively deriving smoke emissions. However, smoke plume rise forecasts and characterizations of fire intensity require additional information, including the FRP over the fire area…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Weather
Region(s): California
Keywords: atmosphere, fire area, MODIS - Moderate Resolution Imaging Spectroradiometer, temperature, radiative transfer regime, biomass burning, FRP - Fire Radiative Power, water vapor, emissivity
Managers and policy-makers across broad disciplines and organizations are calling for a better understanding of public opinion on natural resource issues. One such issue is that of fire and its role in the management of our forests and rangelands. Public perceptions of fuel…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire, Social Science
Region(s): California, Northern Rockies, Northwest, Southern
Keywords: fuel reduction, public opinion, fire use, survey, public perceptions
Several state air quality agencies have developed policies to issue air quality health index (AQI) warnings based on low values of visual range. Visual range has been defined in the context of how far away a black object has to be such that it is just noticeable or visible. This…
Person:
Year: 2013
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: air quality, visual range, PM2.5 emissions, particulate matter (PM) concentrations, AQI - Air Quality Index
Filter-based samplers have long been employed by monitoring networks to measure aerosol mass concentrations because they are robust and the collected filters can be used for analysis of speciated mass concentrations. However, filter-based samplers have several disadvantages.…
Person:
Year: 2013
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: NAAQS - National Ambient Air Quality Standards, PM2.5 emissions, PM10 emissions, continuous measurements