Skip to main content

Displaying 1 - 25 of 95

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Prescribed Fire
Region(s): Northwest
Keywords: air quality, broadcast burning, carbon dioxide, CO - carbon monoxide, clearcutting, coniferous forests, experimental areas, field experimental fires, fire intensity, firing techniques, fuel loading, fuel moisture, gases, heavy fuels, hydrocarbons, laboratory fires, logging, particulates, pollution, Pseudotsuga menziesii, site treatments, slash, smoke behavior, smoke management, Washington

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion

We present evidence that fire suppression may have contributed to the fungal decline of torreya (Torreya taxifolia). During the 1950's torreya suffered a catastrophic die-back. The torreya die-back was probably caused by needle pathogens induced through environmental stress.…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conifers, fire frequency, fire suppression, fungi, light, microorganisms, needles, plant diseases, plant growth, seed germination, smoke effects, succession, Tall Timbers Research Station, threatened and endangered species (plants), topography, Torreya taxifolia, toxicity, wildfires

A major cooperative research effort between the Northern Region and the Intermountain Forest and Range Experiment Station is devoted to the use and effects of prescribed fire. Prescribed fires in logging slash have been scheduled during the entire available burning season. A…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Planning, Prescribed Fire, Weather
Region(s): Northwest, Rocky Mountain
Keywords: air quality, biomass, distribution, elevation, fire intensity, fuel accumulation, fuel management, fuel moisture, fuel types, gases, logging, moisture, mountains, pollution, season of fire, seasonal activities, slash, sloping terrain, smoke behavior, temperature, topography, wilderness areas, wilderness fire management, wind

From the introduction letter ... 'This publication deals with fire, a significant force in the forest environment. Depending upon land management objectives for a specific area, plus a host of environmental variables, fire will sometimes be an enemy, at times a friend, and…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: ecosystem dynamics, fire frequency, fire injuries (plants), fire management, fire resistant plants, forest management, hunting, ignition, land management, land use, lightning caused fires, Pinus contorta, Pinus ponderosa, recreation, regeneration, succession, understory vegetation, wildfires

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Models, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northwest
Keywords: air quality, biomass, CO - carbon monoxide, combustion, duff, fire hazard reduction, fire management, forest management, fuel loading, fuel management, fuel models, land use, natural areas management, nutrients, particulates, smoke effects, smoke management

The Minimum Acceptable Visibility (MAV) table was originally provided by the California Highway Patrol in response to an inquiry  relative to acceptable highway visibility reduction caused by smoke. The table was included in chapter two of the 1991 edition of the National Park…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Prescribed Fire, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire smoke, roads, road corridor, road, smoke effects, smoke-induced fog, superfog, smoke

Lightning causes one third of the 9000 wildfires that occur in Canada. Annually, these lightning-caused fires account for 90% of the area burned and cost Canadians at least 150 million dollars in suppression costs and values destroyed. Unlike the fires caused by human negligence…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Models, Weather, Economics
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies spp., Acer, Betula, boreal forests, Canada, computer programs, duff, fine fuels, fire control, fire management, fire suppression, firebrands, flammability, fuel loading, fuel models, fuel moisture, fuel types, hardwood forests, humidity, ignition, lightning, lightning caused fires, lightning effects, litter, moisture, physics, Picea, pine forests, pine hardwood forests, pine, Pinus strobus, Populus tremuloides, precipitation, rate of spread, smoke behavior, statistical analysis, storms, temperature, wildfires, wind, woody fuels

The control of wildfires in forested areas may not always be a desirable objective since certain benefits can result that are important enough to warrant prescribed burning in some cases. Included in these benefits is the control of harmful insects and plant diseases and of…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): California, Great Basin, Southern, International
Keywords: Alberta, arthropods, Canada, Coleoptera, coniferous forests, Dendroctonus, Diptera, diseases, ecosystem dynamics, Florida, forest management, habits and behavior, heat, heat effects, humus, insects, Melanophila, Odonata, Pantala flavescens, Picea, pine forests, plant diseases, smoke effects, species diversity, temperature, trees, wildfires, wood

From the text ... 'The primary objective of prescribed burning on forest recreation areas in New Jersey is to reduce the probability of their destruction by wildfire. Investigation has shown that when uncontrolled fires enter treated areas they do much less damage and…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Planning, Prescribed Fire, Regulations and Legislation, Economics, Fire Ecology, Hazard and Risk
Region(s): Eastern
Keywords: aesthetics, air quality, cover, ecosystem dynamics, fire adaptations (plants), fire hazard reduction, fire regimes, firing techniques, forest edges, forest types, histories, hunting, litter, mast, natural resource legislation, New Jersey, overstory, pine barrens, pine hardwood forests, post fire recovery, recreation, smoke management, species diversity (plants), state forests, succession, US Forest Service, understory vegetation, watersheds, wildlife, wildlife food plants, wildlife habitat management

From the text... 'A brief report by four scientists of The Nature Conservancy in Florida [about a method for propagating wiregrass included the following steps] ... Collect seeds from central Florida sites five to eight months after summer burn. Place seeds on moist filter paper…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Southern, International
Keywords: Apalachicola Bluffs, Aristida stricta, central Florida, conifers, European settlement, evergreens, fire adaptations (animals), fire adaptations (plants), Florida, flowering, Gopherus polyphemus, land management, lightning caused fires, north Florida, Pinus palustris, plant diseases, population ecology, regeneration, reproduction, sandhills, season of fire, seed production, seeds, smoke effects, species diversity (animals), species diversity (plants), threatened and endangered species (plants), Torreya, Torreya taxifolia

The development of the smoke cloud from a summer wildfire in a forest area was studied on a radar screen. In conjunction with photographs taken at the same time, it has been possible to follow the variations in height of both the top and bottom of the smoke column as it was…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): International
Keywords: Australia, chemistry, droughts, fire case histories, fire danger rating, fire management, fire suppression, fuel accumulation, hardwood forests, national parks, photography, pine forests, rate of spread, smoke behavior, smoke management, spot fires, telemetry, topography, Victoria, wildfires, wind

The character of most forest ecosystems in the southern U.S. has been shaped by fire. Indians and early settlers burned the woods for many purposes. After a period of trying to exclude fire, foresters recognized its value as an ecological force and its necessity as a management…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Southern, International
Keywords: air quality, backfires, broadcast burning, carbon dioxide, Colinus virginianus, diseases, ecosystem dynamics, erosion, European settlement, fire exclusion, fire frequency, fire intensity, fire management, fire regimes, firebreaks, firing techniques, forage, forest management, fuel accumulation, grazing, hardwoods, histories, lightning caused fires, logging, low intensity burns, moisture, Native Americans, Odocoileus virginianus, overstory, particulates, pine forests, pine, Pinus elliottii densa, Pinus palustris, Pinus rigida, Pinus serotina, pollution, regeneration, season of fire, seedlings, site treatments, smoke effects, stand characteristics, temperature, topography, understory vegetation, wildlife, wildlife habitat management, wind, wood

Results of the 1971inventory of fire use in Georgia indicate that 589,633 acres were burned for agricultural purposes and 527,557 acres were presribed burned for forestry purposes. About 95 percent of this burning was done in the southern half of the State. It was estimated that…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Fuels, Models, Prescribed Fire, Hazard and Risk
Region(s): Southern
Keywords: agriculture, air quality, coastal plain, computer programs, fire control, fire hazard reduction, flatwoods, Georgia, particulates, Piedmont, sandhills, site treatments, smoke effects, smoke management, wildfires, wildlife habitat management

Prescribed burning, an indispensable tool of forest management through-out much of the South, is accused of being an agent of air pollution. In some instances, a concerted effort is being made to restrict its use. Yet, no one has shown that air quality has deteriorated more in…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire, Regulations and Legislation
Region(s): Southern
Keywords: air quality, carbon dioxide, catastrophic fires, combustion, ecosystem dynamics, fire exclusion, fire intensity, fire management, forest management, fuel accumulation, plant growth, pollution, public information, wildfires

From the summary ... ' In summary, the results of these large scale fire tests, conducted under marginal burning conditions, were negative; but, paradoxically, I find this very heartening, for we can now be much more confident in our predictions of fire behavior to be expected…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: catastrophic fires, chemistry, eucalyptus, fire intensity, fire whirls, flammability, fuel loading, ignition, litter, needles, nuclear winter, pine forests, Pinus ponderosa, rate of spread, surface fires, temperature, topography, tropical forests, US Forest Service, wilderness fire management, wildfires

From the text ... 'Several papers on concentrated fire vortices were presented at the 1967 Mass Fire Research Symposium in Washington, and the resulting discussion of dynamical effects on large fires due to organized vorticity ranged from the importance of rotation in fire…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): California, Great Basin, International
Keywords: chaparral, conservation, Europe, fire case histories, fire management, fire whirls, Germany, mountains, physics, southern California, storms, vortices, Washington, wind

During the last 17 days of April 1971, smoke from wildfires in the Florida Everglades drifted over the east coast of southern Florida. Smoke restricted visibilities 67.9% of the time at Palm Beach International Airport, and aircraft operations were 11.9% less than for an…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Aquatic, Climate, Economics, Emissions and Smoke, Fire Ecology, Mapping, Weather, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: air quality, catastrophic fires, everglades, fire case histories, fire management, fire size, Florida, particulates, pollution, smoke behavior, smoke effects, smoke management, south Florida, temperature, urban habitats, wildfires, wind

An examination of the beneficial use of fire in the southern forest, including history, current use, technique, economic considerations, legal restrictions, and outlook for continued use of prescribed burning in light of mounting pressures to eliminate sources of smoke and other…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire History, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science
Region(s): Southern
Keywords: catastrophic fires, education, fire hazard reduction, fire management, forest management, forest products, fuel management, grazing, hardwood forests, histories, light, logging, Oklahoma, pine forests, Pinus palustris, public information, regeneration, site treatments, slash, wildfires

Equations for predicting duff and large woody fuel (7.6+ cm) consumption are summarized. Dependent variables are duff depth reduction, percentage duff depth reduction, percentage mineral soil, large fuel diameter reduction, and percentage large fuel reduction. Opportunities to…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies grandis, Artemisia tridentata, coniferous forests, conifers, duff, fire hazard reduction, fire management, fuel management, fuel models, grasses, mineral soils, pine forests, Pinus contorta, Pinus monticola, Pinus ponderosa, Pseudotsuga menziesii, wildfires, woody fuels

We studied cross-seasonal changes in pulmonary function and respiratory symptoms in 52 wildland firefighters in Northern California. The mean cross-seasonal change in forced expiratory volume in 1 second (FEVI) was-1.2% (95% confidence interval [CI] -O.5, -2.0%) with a…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Weather
Region(s): California, Great Basin
Keywords: air quality, backfires, CO - carbon monoxide, combustion, dust, fire equipment, fire intensity, fire management, fire suppression, fuel types, gases, national forests, northern California, particulates, smoke effects, smoke management, topography, wilderness areas, wilderness fire management, wildfires

A feasibility study has been carried out of the analysis of total condensate (at -50 °C) of smoke from smoldering combustion of wood. All of the phenol and furan components in the aqueous condensate were extracted into methylene chloride and the extract was analyzed by GC/MS.…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Hazard and Risk
Region(s): Northern Rockies
Keywords: aerosols, air quality, biomass, combustion, combustion chambers, experimental fires, fire suppression, laboratory fires, lignin, Montana, mopping up, Pinus ponderosa, Populus trichocarpa, smoke effects, wood, wood chemistry

A prescribed fire was ignited near Chapleau, western Ontario, Canada, on the afternoon of August 10, 1989. The fire, covering approximately 400 ha, burned vigorously over a period of 3 hours, from 1400 to 1700 EDT, generating a plume cloud structure including a portion…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, distribution, field experimental fires, fire case histories, fire intensity, fire management, fuel loading, lightning, lightning effects, logging, Ontario, physics, site treatments, slash, smoke behavior, smoke effects, smoke management

After the serious smoke inversion conditions on the northern California and southern Oregon fires of 1987 and the Greater Yellowstone Area fires of 1988, the National Wildfire Coordinating Group (NWCG) hosted a conference - 'The Effect of Forest Fire Smoke on Firefighters'-in…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, northern California, Oregon, smoke behavior, smoke effects, Yellowstone National Park

Although burning was originally intended as a control measure for blind seed disease in perennial ryegrass, growers soon discovered the benefits of open field burning for other grass seed crops.
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, cropland fires, disturbance, fertilizers, field experimental fires, grass fires, grasses, Lolium, Oregon, perennial plants, plant diseases, plant growth, season of fire, seasonal activities, seed production, seedlings