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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

The Manual includes information on the organization's standard operating procedures, requirements, and guidelines regarding fire management. It also outlines the necessary steps for developing and maintaining a succesful fire management program. The Manual is a dynamic document…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Hazard and Risk, Logistics, Planning, Prescribed Fire, Safety, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: catastrophic fires, conservation, fire equipment, fire exclusion, fire hazard reduction, fire management, fire regimes, fire suppression, firefighting personnel, health factors, liability, manuals, smoke behavior, smoke effects, smoke management, wildfires

Recent studies have shown that emissions of mercury (Hg), a hazardous air pollutant, from fires can be significant. However, to date, these emissions have not been well-quantified for the entire United States. Daily emissions of Hg from fires in the lower 48 states of the United…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, Great Basin, Northwest
Keywords: air quality, boreal forests, coniferous forests, ecosystem dynamics, fire management, grasslands, Hg - mercury, smoke management, statistical analysis, toxicity, wildfires

The post-harvest burning of agricultural fields is commonly used to dispose of crop residue and provide other desired services such as pest control. Despite careful regulation of burning, smoke plumes from field burning in the Pacific Northwest commonly degrade air quality,…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, biomass, broadcast burning, cropland fires, croplands, fire management, fuel moisture, fuel types, hydrocarbons, Idaho, pest control, range management, season of fire, smoke behavior, smoke management, Washington, wind, CALPUFF, PM2.5, biomass burning, air quality model, ClearSky

Vegetation fires emit a number of air pollutants, thus impacting air quality at local, regional and global scales. One such pollutant is the particulate matter (PM) that is known to trigger adverse health effects. In this study, the CALPUFF/CALMET/MM5 modeling system is employed…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fuels, Intelligence, Mapping, Monitoring and Inventory, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: agriculture, air quality, Arizona, Colorado, cropland fires, fire management, fire size, firing techniques, fuel loading, fuel moisture, Mexico, particulates, pollution, range management, rate of spread, remote sensing, wind, agricultural fire, PM - particulate matter, plume dispersion, CALPUFF, CALMET, MM5

Much of the public's attitude toward wildland fire as an important part of natural processes has been misguided, sometimes through programs perpetuating fear and misunderstanding of the vital role of fire in wildlands. Results presented here were part of a larger study that…
Person:
Year: 2007
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: education, fire hazard reduction, fire management, fuel management, land management, public information, rangelands, recreation, sampling, smoke management, Tennessee, thinning, wildfires, wildland fuels, wildlife

Pines (genus Pinus) form the dominant tree cover over large parts of the Northern Hemisphere. Human activities have affected the distribution, composition, and structure of pine forests for millennia. Different human-mediated factors have affected different pine species in…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, browse, conservation, cover, distribution, ecosystem dynamics, fire exclusion, fire management, fire regimes, fire suppression, forest management, grazing, logging, paleoecology, pine forests, pine, Pinus, pollution, wildfires, air pollution, biological invasions, conservation, land use

Fire is one of the key disturbances affecting trembling aspen (Populus tremuloides Michx.) forest ecosystems within western Canadian wildlands, including Elk Island National Park in central Alberta, Canada. Although prescribed fire is a tool available to modify aspen forests, a…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Alberta, Canada, combustion, coniferous forests, disturbance, droughts, duff, ecosystem dynamics, experimental fires, fire intensity, fire management, forest management, fuel moisture, ground fires, ignition, moisture, national parks, plant communities, plant growth, Populus, Populus tremuloides, rate of spread, sampling, smoke management, statistical analysis, wildfires, FWI - Canadian Forest Fire Weather Index System, ground fire, subsurface fire

A risk assessment framework was used to assess the risks of forest fire smoke (ffs) to the exposed communities, critical infrastructures and the environment. The present work is focused on the planning and problem formulation phases of this risk assessment procedure.…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, chemical compounds, fire management, firefighting personnel, gases, hydrocarbons, particulates, smoke behavior, smoke effects, smoke management, statistical analysis, toxicity, wildfires, wind, forest fire smoke, data integration, field chemical data, risk assessment, firefighters

We measured soil seed banks in 102 plots within a 110 000 ha Arizona Pinus ponderosa landscape, determined seed-bank responses to fire cues and tree canopy types (open or densely treed patches), compared seed-bank composition among ecosystem types, and assessed the utility of…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Southwest
Keywords: Arizona, ash, Canada, Carex, Cervus elaphus, char, coniferous forests, disturbance, ecosystem dynamics, Elymus elymoides, Erigeron, Erigeron divergens, Festuca arizonica, fire management, forbs, forest management, Gnaphalium, grasses, grazing, heat, livestock, mineral soils, Montana, Muhlenbergia, Muhlenbergia montana, national forests, overstory, Pinus edulis, Pinus ponderosa, Populus tremuloides, Quercus gambelii, seed dormancy, seed germination, seeds, smoke effects, soils, vegetation surveys, wildfires, wood

We describe emission-transmission measurements performed at different heights in a flame from a cylindrical forest fuel burner, using a camera operating in the thermal infrared (7.5-13 µm). The forest fuel burner was made of a cylindrical wire mesh basket filled with a forest…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion, fire management, flame length, fuel management, gases, heat, laboratory fires, needles, particulates, photography, Pinus pinaster, radiation, smoke management, soot, statistical analysis, temperature, wildfires, forest fires, IR thermography, radiation, soot

Notable warming trends have been observed in the Arctic. Although increased human-induced emissions of long-lived greenhouse gases are certainly the main driving factor, air pollutants, such as aerosols and ozone, are also important. Air pollutants are transported to the Arctic…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, Arctic, boreal forests, convection, elevation, gases, climate change, greenhouse gases, organic matter, ozone, particulates, pollution, radiation, season of fire, soot, wildfires

More and more people are making their homes in woodland settings in or near forests, rural areas, or remote mountain sites - areas in which wildfires are more likely to occur. Wildfires often begin unnoticed. They spread quickly, igniting brush, trees, and homes. CDC recommends…
Person:
Year: 2007
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: podcast

The Working Group III contribution to the IPCC Fourth Assessment Report (AR4) focuses on new literature on the scientific, technological, environmental, economic and social aspects of mitigation of climate change, published since the IPCC Third Assessment Report (TAR) and the…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: climate change, mitigation, greenhouse gas, policy

We develop a simple analytical model to estimate the thickness of a smoke layer formed by a plume of a large area fire and to account for crosswinds. We take advantage of the dominant flow features in the upper part of the rising plume and in the smoke layer far from the plume…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, decay, dust, humidity, nuclear winter, smoke behavior, statistical analysis, temperature, wind

Mechanized full-tree logging is the preferred harvesting system in Northeastern Ontario. These operations typically involve roadside delimbing, producing large quantities of slash at roadsides and landings. Slash pile burning involves gathering the slash into concentrated areas…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Hazard and Risk, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: artificial regeneration, biomass, Canada, combustion, duff, fine fuels, fire danger rating, fire equipment, fire hazard reduction, fire intensity, fire suppression, firing techniques, flammability, forest management, fuel accumulation, fuel arrangement, fuel management, fuel moisture, grasses, herbaceous vegetation, hunting, ignition, lightning caused fires, logging, Ontario, rate of spread, recreation, regeneration, season of fire, seeds, shrubs, site treatments, slash, smoke management, wildfires, wind

Traditionally, in the Southwest, ponderosa pine (Pinus ponderosa) red slash has not been treated with fire to meet resource objectives until all slash has fully cured, usually a 2-to-4-year wait. Waiting for slash to cure is still the widespread practice on most forests in the…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Models, Prescribed Fire, Social Science, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: crown scorch, duff, fine fuels, fire hazard reduction, fire intensity, fuel accumulation, fuel loading, fuel management, fuel models, fuel moisture, heavy fuels, logging, mopping up, multiple resource management, national forests, New Mexico, Pinus ponderosa, precipitation, resprouting, site treatments, slash, smoke management

Changing climate and land use appear to importantly affect the biosphere by way of impacts on fire regimes. Feedback effects on climate and air quality are likely through emissions of trace gases, aerosols, and particulates that affect radiation budgets, stability of the…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, biomass, boreal forests, charcoal, fire injuries (plants), fire regimes, gases, land use, particulates, pine forests, radiation, savannas, trees, Wisconsin

From the text: 'Driven by fierce Santa Ana winds, 14 major brush fires ravaged L.A.'s suburbs, burning 152,000 acres and hundreds of homes. The disaster pushed firefighters to the limit and compounded the state's ecological and social troubles.'
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Logistics, Social Science, Weather, Economics, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: backfires, blowups, brush, brush fires, catastrophic fires, chaparral, droughts, fire control, fire equipment, fire intensity, fire management, fire suppression, firebreaks, flammability, fuel accumulation, general interest, grasses, incendiary fires, precipitation, rate of spread, scrub, season of fire, smoke effects, southern California, wildfires, wind

A fire growth model, FARSITE (Fire ARea SImulator) is under development for simulating the spread and behavior of prescribed natural fires. The models uses a technique for wave propagation to expand surface fire fronts in 2 dimensions. Points defining the outer edge of a surface…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Prescribed Fire, Weather
Region(s): California, Great Basin, Northwest
Keywords: air quality, coniferous forests, crown fires, duff, fire case histories, fire growth, fire management, fuel loading, fuel moisture, fuel types, Georgia, GIS, landscape ecology, moisture, Oregon, rate of spread, spot fires, statistical analysis, surface fires, surface fuels, topography, weather observations, wilderness fire management, wildfires, wind, woody fuels, Huygen's Principle

G.M. Byram's energy criterion for forest and wildland fires consists of two equations: one for computing the rate of flow of kinetic energy in the atmosphere due to the wind field (Pw), and one for estimating the rate of conversion of thermal energy to kinetic energy in the…
Person:
Year: 1993
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: convection column, buoyancy, blowup fires, energy conversion

This action finalizes a rule to govern the review and handling of air quality monitoring data influenced by exceptional events. Exceptional events are events for which the normal planning and regulatory process established by the Clean Air Act (CAA) is not appropriate. In this…
Person:
Year: 2007
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, National
Keywords: air quality, PM2.5, air pollution, Clean Air Act, PM10, wildland fires

The research and development (R&D) arm of the Forest Service, U. S. Department of Agriculture (USDA), with approximately 550 researchers in a range of biological, physical, and social science fields, seeks to better understand and describe the complex mechanisms at work in…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Forest Service, research, research accomplishment report

This conference was attended by nearly 450 Forest Service earth scientists representing hydrology, soil science, geology, and air. In addition to active members of the earth science professions, many retired scientists also attended and participated. These 60 peer-reviewed…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Communications, Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Outreach, Prescribed Fire, Restoration and Rehabilitation, Aquatic
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conferences, earth sciences

The Rocky Mountain Research Station has a long and celebrated legacy of conducting relevant natural resources research throughout the Interior West and beyond. Land managers and planners regularly rely upon our science to help make wise resource decisions. Our niche among…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: Forest Service, research, Rocky Mountain Research Station