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Polarization lidar observations from the interior of Alaska have revealed unusual supercooled altocumulus cloud conditions in the presence of boreal forest fire smoke from local and regional fires. At temperatures of about -15ºC, the lidar data show ice nucleation prior to…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Models
Region(s): Alaska, Great Basin, Northwest
Keywords: aerosols, boreal forests, fire management, grasslands, smoke effects, smoke management, soot, statistical analysis, temperature, tundra, water, wildfires, indirect aerosol, cloud effects, boreal smoke, polarization lidar

Several boreal insect species respond to smoke and heat generated by forest fires and use recent burns to reproduce in high numbers. Some of these species are rare or uncommon in undisturbed forests, and the contribution of recently burned habitats to their population dynamics…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Fire Behavior, Fire Ecology, Fire Occurrence, Fire Prevention, Models, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: age classes, boreal forests, Canada, conservation, distribution, fire adaptations (animals), fire dependent species, fire frequency, fire management, fire size, fire suppression, forest management, habitat suitability, heat, insects, logging, population density, Quebec, reproduction, salvage, snags, statistical analysis, suppression, wildfires, wildlife habitat management, wood, boreal forest, forest fire, habitat connectivity, population dynamics, pyrophilous insects

With evidence of increasing wildfire risks in wildland-urban interface zones in the U.S. West and elsewhere, understanding intended evacuation behavior is a growing issue for community planners. This research investigates intended evacuation behavior due to wildfire risks, using…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Models, Planning, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: distribution, fire damage (property), fire hazard reduction, fire injuries (humans), fire management, fire suppression, forest management, fuel accumulation, Mexico, national forests, New Mexico, population density, public information, statistical analysis, wildfires, evacuation, wildfire

A newly developed method, which involves the use of satellite measurements of energy released by fires, was used to estimate smoke emissions in the United States (US) Southern Great Plains (SGP). This SGP region was chosen because extensive agricultural and planned burning…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Occurrence, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, biomass, biomass burning, croplands, energy, fire frequency, fire management, grasslands, Great Plains, particulates, radiation, range management, remote sensing, season of fire, smoke effects, smoke management, statistical analysis, FRE - Fire Radiative Energy, MODIS - Moderate Resolution Imaging Spectroradiometer

From the text ... 'Providing nationwide leadership in the development, testing, analysis, standardization, and evaluation of equipment, materials, and procedures for the protection and management of national forests and grasslands is the mission of the Forest Service Technology…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Prevention, Logistics, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire equipment, fire management, fire suppression, grasslands, invasive species, national forests, smoke effects, smoke management, wildfires

Biomass burning is a major source of aerosols that affect air quality and the Earth's radiation budget. Current estimates of biomass burning emissions vary markedly due to uncertainties in biomass density, combustion efficiency, emission factor, and burned area. This study…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, Arizona, Arkansas, biomass, biomass burning, combustion, coniferous forests, cover, cover type, deciduous forests, fire frequency, fire management, fire size, Florida, forest management, fuel loading, fuel management, fuel moisture, grasses, grasslands, hardwood forests, heavy fuels, Idaho, leaves, litter, Louisiana, moisture, Montana, needles, Oregon, particulates, radiation, remote sensing, shrubs, statistical analysis, vegetation surveys, wildfires, biomass burning emissions, particulate matter, multiple satellite instruments, GOES, near real time

Forest fires remain a devastating phenomenon in the tropics that not only affect forest structure and biodiversity, but also contribute significantly to atmospheric CO2. Fire used to be extremely rare in tropical forests, leaving ample time for forests to regenerate to pre-fire…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass, Borneo, carbon dioxide, cover, diameter classes, ecosystem dynamics, ENSO, fire frequency, fire injuries (plants), fire management, fire size, forest management, fruits, fuel accumulation, Indonesia, leaves, low intensity burns, mast, pioneer species, plant growth, population density, post fire recovery, rainforests, regeneration, seed production, seedlings, species diversity, species diversity (plants), stand characteristics, tropical forests, understory vegetation, wildfires, burned forest regeneration, El Nino drought, fire damage, pioneer species, recruitment

Historic and current use pesticides (HUPs and CUPS), with respect to use in the United States and Canada, were identified in trans-Pacific and regional air masses at Mt Bachelor Observatory (MBO), a remote high elevation mountain in Oregon's Cascade Range located in the United…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): Great Basin, Northwest, International
Keywords: agriculture, air quality, Asia, Canada, Cascades Range, chemical compounds, croplands, elevation, erosion, hydrocarbons, Oregon, pesticides, sampling, smoke management, soils, wildfires, wind

Biomass burning is an important primary source of particles containing biomarker compounds, which are introduced into smoke primarily by direct volatilization/steam stripping and by thermal alteration based on combustion conditions. This study presents comprehensive organic…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Great Basin, Northwest
Keywords: air quality, biomass, biomass burning, cellulose, chemical compounds, combustion, coniferous forests, fire management, forest management, hydrocarbons, leaves, lignin, litter, Oregon, organic matter, particulates, pine hardwood forests, Pinus ponderosa, Quercus, resins, savannas, smoke management, vegetation surveys, volatilization, wildfires, wood

Plume dispersion models may improve assessment of the health effects associated with forest fire smoke, but they require considerable expertise in atmospheric and fire sciences to initialize and evaluate. Products from MODIS (Moderate Resolution Imaging Spectroradiometer)…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Intelligence, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerosols, air quality, Alberta, British Columbia, Canada, decay, fire management, fire size, forest management, health factors, Idaho, Montana, pollution, remote sensing, smoke effects, smoke management, statistical analysis, Washington, wildfires, forest fire smoke, dispersion modeling, MODIS products, public health

Recent investigations indicate that wildfires provide a significant flux of mercury (Hg) from terrestrial ecosystems to the atmosphere. However, little is known about how geographic location, climate, stand age, and tree species affect Hg accumulation prior to burning and loss…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Intelligence
Region(s): Great Basin, Northwest
Keywords: Abies lasiocarpa, age classes, air quality, biomass burning, Cascades Range, coniferous forests, decomposition, ecosystem dynamics, fire case histories, fire exclusion, fire frequency, fire intensity, fire management, fire size, foliage, forest management, gases, litter, Hg - mercury, mountains, overstory, particulates, Pinus contorta, Pinus ponderosa, precipitation, soil management, soil nutrients, soil organic matter, soil temperature, soils, statistical analysis, volatilization, Washington, wildfires, Hg - mercury, soil, forest, release, Rex Creek Fire

Communities impacted by fine-particle air pollution (particles with an aerodynamic diameter less than 2.5 mm; PM2.5) from forest fires and residential wood burning require effective, evidence-based exposure-reduction strategies. Public health recommendations during smoke…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Canada, fire management, particulates, pollution, sampling, smoke behavior, smoke effects, smoke management, statistical analysis, wildfires, wood, particulate matter, air quality, indoor air quality, infiltration, air cleaning

From the text ... 'Every year, the Boise National Forest prescribed fire program burns an average of 7,000 to 8,000 acres (2,800 to 3,200 ha). The forest is located near Idaho's capital, which is the third largest metropolitan area in the northwest, and introduction of any smoke…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Planning, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Great Basin, Northern Rockies
Keywords: education, fire management, fire suppression, Idaho, national forests, public information, smoke management

From the text ... 'How do some of us get through those dark days, learn from our mistakes, and continue to do our jobs as best we can? What makes some of us 'bounce back' from a serious accident, a fatality, or on escaped prescribed fire and continue to do the work on the land…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Planning, Prescribed Fire
Region(s): Great Basin, Southern
Keywords: Apalachicola National Forest, education, fire case histories, fire management, fire size, fire suppression, firefighting personnel, firing techniques, ignition, national forests, north Florida, prescribed fires (escaped), public information, season of fire, smoke effects, spot fires, Utah, wildfires

A 2005 biomass burning (wildfire, prescribed, and agricultural) emission inventory has been developed for the contiguous United States using a newly developed simplified method of combining information from multiple sources for use in the US EPA's National Emission Inventory (…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass burning, cropland fires, wildfires, air quality, remote sensing, fire management, forest management, biomass burning emission inventory, datellite-based, ground-based, wildfires

From the summary:'Experimental study on the visibility through fire smoke was carried out. The relation among the brightness of sign, visual distance, and the extinction coefficient of smoke at the instant of obscuration threshold was obtained by using the smoke chamber. The…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Hazard and Risk, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, experimental fires, Japan, smoke management, temperature

From the text ' Under specific circumstances it has been shown that prescribed burning can be used: (1) to reduce fuel accumulation from logging and slashing and the hazard of accidental fire; (2) to prepare seedbeds and reduce competition for tree regeneration; (3) to improve…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Prescribed Fire, Safety, Social Science
Region(s): Great Basin, Rocky Mountain
Keywords: aesthetics, air quality, competition, diseases, education, fire adaptations (animals), fire adaptations (plants), fire management, firing techniques, fishes, forage, fuel accumulation, grazing, livestock, logging, Montana, multiple resource management, public information, recreation, regeneration, slash, smoke management, soils, succession, wildfires, wildlife

Costs and effectiveness of fire control, need for hazard reduction, slash disposal policy, history of slash burning, opportunities for prescribed burning, as well as fire effects, costs and benefits are described breifly. Most attention is given to the Vancouver Forest District…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: British Columbia, Canada, fire control, fire hazard reduction, fire management, histories, Pseudotsuga menziesii, slash, smoke effects, Tall Timbers Research Station, US Forest Service

Smoke from slash burns in the Cascade Mountains during a 3-day period of stable air conditions at lower elevations in October 1969 added little to existing air pollution in the Willamette Valley, in western Oregon. Aerial observations and weather data analysis determined that…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Mapping, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, Cascades Range, clearcutting, elevation, fire case histories, fire hazard reduction, mountains, national forests, Oregon, pollution, site treatments, slash, smoke behavior, smoke effects, smoke management, temperature, weather observations, wind

Smoke rolls into town, blanketing the city, turning on streetlights, creating an eerie and choking fog. Switchboards light up as people look for answers. Citizens want to know what they should do to protect themselves. School officials want to know if outdoor events should be…
Person:
Year: 2008
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: air quality, PM2.5, PM10, respirator, health effects, public health

Most studies of wildland fire and residential development have focused on the cost of firefighting and solutions such as fuel reduction and fire-safe home building. Although some studies quantify the number of homes being built near forests, little research has indicated the…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: forest fires, western United States, wildfire, residential development

This paper reports a detailed laboratory study of two-dimensional starting plumes. From dimensional analysis, equations in a parametric form for the motion of two-dimensional starting plumes are derived. The governing equations are also obtained from an approximate inviscid flow…
Person:
Year: 1970
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: plume, fire plumes, laboratory experiments, buoyant plume, starting plume

Biomass burning is an important source of particulate organic carbon (OC) in the atmosphere. Quantifying this contribution in time and space requires a means of routinely apportioning contributions of smoke from biomass burning to OC. Smoke marker (for example, levoglucosan)…
Person:
Year: 2008
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: wildfires, biomass burning, smoke marker measurements, particulate organic carbon

A dual-wavelength photoacoustic instrument operating at 405 and 870 nm was used during the 2006 Fire Lab at Missoula Experiment to measure light scattering and absorption by smoke from the combustion of a variety of biomass fuels. Simultaneous measurements of aerosol light…
Person:
Year: 2008
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: absorption, scattering, dual-wavelength photoacoustic instrument, spectral variation, biomass smoke, Angstrom exponent

This past year has been a period of transition for the Rocky Mountain Research Station. In 2006, we identified the need to move from an organization of approximately 30 research work units whose work was formed around national Strategic Program Areas, to a more streamlined team-…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, 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