Type
Topic
Region
Year
Displaying 26 - 50 of 61
Prescribed burning is a preferred treatment in many fuel management situations because of its low cost, campatibility with other land-use objectives, and little or not undesirable side effects. The problems, limitations, and associated consequences of fire treatments are…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, backfires, broadcast burning, brush, burning intervals, CO - carbon monoxide, coastal plain, cutting, fire hazard reduction, fire regimes, firebreaks, flank fires, forest management, fuel accumulation, fuel management, fuel moisture, heavy fuels, hydrocarbons, ignition, land use, litter, multiple resource management, particulates, pine forests, regeneration, season of fire, slash, smoke effects, smoke management, understory vegetation, wildfires
Fuel consumption and performance results of four mechanical harvesting systems were determined in burned and unburned sugarcane in Florida. Harvester fuel consumption per gross tonne of cane averaged 112% higher in unburned cnae than in burned cane. More important, cane recovery…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire History, Fuels, Prescribed Fire
Region(s): Southern
Keywords: agriculture, air quality, biomass, croplands, cutting, distribution, fire exclusion, Florida, fuel loading, fuel management, histories, litter, population density, sampling, site treatments, statistical analysis
From the Summary ... 'Combustion emissions from dead, dry forest fuel are considerably less than those from live, green material. For the most part, prescribed burning involves dead, dry fuel in contrast to wildfires where a high proportion of live, green material is included in…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: air quality, chemistry, coastal plain, combustion, dead fuels, fire hazard reduction, fuel accumulation, fuel types, gases, heavy fuels, hydrocarbons, light, pine forests, precipitation, smoke behavior, soils, wildfires
From Experimental Results ... 'Smoke samples were collected in a small aircraft, which was flown through the smoke columns from a series of large prescribed fires in the forest areas of Western Australia in the spring of 1970. The smoke particles were deposited on air-filters or…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fire Ecology, Prescribed Fire
Region(s): International
Keywords: air quality, Australia, chemistry, combustion, gases, sampling, smoke behavior, western Australia, wildfires, wind
From the Summary ... 'The behavior of the convection column above a large fire is thus characterized by (1) marked inflow of air at the lower levels, and (2) rapid ascent of hot air at the higher levels, whereby mixing with the surrounding atmosphere is reduced. The height to…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Prescribed Fire
Region(s): International
Keywords: air quality, convection, experimental fires, fire case histories, fuel types, grasses, heat, moisture, Northern Territory of Australia, smoke behavior, temperature, western Australia, wildfires
An earlier paper* described three techniques used to estimate the moisture content of large (3- to 9-inch diameter) woody fuels in logging slash west of the Cascade range in Washington and Oregon. Our paper examines the use of these and other independent variables to predict…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Monitoring and Inventory, Prescribed Fire
Region(s): Northwest
Keywords: broadcast burning, Cascades Range, coniferous forests, fire hazard reduction, fuel appraisal, fuel arrangement, fuel inventory, fuel loading, fuel management, fuel moisture, heat, logging, moisture, Oregon, Pseudotsuga menziesii, size classes, slash, surface fuels, trees, Tsuga heterophylla, Washington, woody fuels
Goals and objectives outlined in the Clean Air Act of 1977 are in conflict with land management practices that utilize control or prescribed burns to maintain a healthy ecosystem. Specifically, smoke emissions from burn areas can significantly and adversely affect the visual air…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Models, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aesthetics, air quality, land management, landscape ecology, national parks, natural areas management, natural resource legislation, pollution, K - potassium, smoke effects, smoke management, wilderness fire management
Smoke from large scale fuel reduction fires in Western Australia has been investigated from an aircraft. These fires are typically 10,000-20,000 acres in area with fuel loadings of 3-6 tons/acre. Measurements were made of mass concentration, scattering coefficient and total…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Hazard and Risk, Prescribed Fire
Region(s): International
Keywords: Australia, burning intervals, Eucalyptus diversicolor, Eucalyptus marginata, European settlement, fire hazard reduction, fire management, fuel loading, particulates, presettlement fires, sampling, smoke behavior, smoke effects, smoke management, western Australia, wind
The high variablility of burning conditions and fuels, found in Alaskan forest fires, produces an associated complex emission of particulate matter. Histological evidence of some large particles has been found in the forest fire plumes as well as aerosols resulting apparently…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Fire History, Intelligence, Mapping, Monitoring and Inventory, Fuels
Region(s): Alaska, Great Basin, Northwest
Keywords: aerosols, air quality, distribution, energy, environmental impact analysis, heat, Interior Alaska, particulates, radiation, remote sensing, sampling, smoke effects, smoke management, statistical analysis, temperature, wildfires, wind
[no description entered]
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire, Weather
Region(s): Northwest
Keywords: air quality, fire intensity, site treatments, slash, smoke behavior, smoke management
Height of slash fire smoke columns, commonly thought to be a function of atmospheric conditions alone, through a series of 10-acre experimental fires is shown to be strongly related to fire intensity. By conducting intense fires, land managers can possibly burn forest debris and…
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire, Weather
Region(s): Northern Rockies, Northwest
Keywords: fire intensity, air pollution, atmospheric stability, slash, slash burning, smoke dispersion
Animal exposure studied and large scale fire data indicate that one of the early life hazards in a developing fire is from the generation of carbon monoxide and other combustion gases. A gas chromatograph as been interfaced to an NBS Smoke Chamber to study the rate of generation…
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CO - carbon monoxide, emission rate, combustion gases, smoke chamber
A program of laboratory burning experiments was carried out to assess the air pollutant emissions potential of forest residues in the Pacific Northwest. The emphasis was on measuring particulate emission factors and their relation to fire intensity.
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): California, Northwest
Keywords: fire intensity, fuel consumption, slash fire, particulate emissions
Prescribed burning is an effective tool widely used in forest management. Several strategies are employed to minimize pollution from prescribed fire, including systems to avoid polluting sensitive areas or to ensure adequate dilution between the source and the receptors. Success…
Person:
Year: 1983
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: emission reduction, pollution
The acres of forest land treated by prescribed fire in the Pacific Northwest have steadily increased over the last decade despite escalating costs, better utilization, and environmental concerns (Washington Department of Natural Resources 1983). In conflict with that trend,…
Person:
Year: 1983
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Northwest
Keywords: air quality, air pollution, emission reduction, smoke management
Results of aerial measurements in plumes from large urban areas, petroleum refineries, automotive-painting operations, fossil-fuel power plants, and controlled burning of forest slash are presented. Field monitoring studies occurred during summer months between 1974 and 1980 and…
Person:
Year: 1983
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California, Eastern, Northwest, Southern
Keywords: plumes, pollutants, photochemical ozone formation
Source strength is defined as the rate of release of an emission into the atmosphere from a specified process. In this paper, source-strength modeling of emissions of particulate matter from prescribed fires is discussed from three perspectives: 1) unit area (per m2), 2) unit…
Person:
Year: 1983
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: PM - particulate matter, source strength model
In a series of 11 surface burns in old fields at two locations in southern Ontario the environmental factors having the greatest effect on fire severity were fuel moisture content, windspeed and fuel energy. Other environmental factors were of less significance. Changes in soil…
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: fuel moisture, fly ash, nutrient loss, Ontario, soil chemistry, field burn severity, soil depth
Forest land generally produces considerable woody material other than that which is harvested as timber, needed for recycling of nutrients to the soil, or for sheltering wildlife and young forest seedlings. Excess forest residues, both living and dead, are often subject to…
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Northwest
Keywords: fuels management, silviculture, brush, forest residue, slash
[no description entered]
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, combustion, computer programs, fuel models, Oregon, sampling, smoke behavior, smoke management
Records of 21 stations were analyzed for the occurrence, persistence, and related visibility resulting from summertime wildfire smoke and haze in interior Alaska. Maximum probability of smoke occurrence for any station and month was 8.7 percent in July for Bettles. Seasonal…
Person:
Year: 1974
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Weather
Region(s): Alaska
Keywords: fire, Interior Alaska
A book based on a conference of the same name held 22-24 October, 1979 at the University of New Brunswick. There are 15 chapters, including an introduction by the editors. The remaining 14 chapters are divided into 5 sections: Past and present fire frequencies; Physical effects…
Person:
Year: 1983
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History
Region(s): Alaska, International
Keywords: boreal forest, fire frequency, fire management, jack pine, black spruce, ignitions, lichen, northern ecosystems, organic mat, peat deposits, permafrost, tundra, wilderness management, biomass burning, climate change, fire interval, regeneration, smoke management, Canada, Sweden, Finland, Greenland, Russia, Europe
[From the text] Fire has been an integral part of America's wildlands for millions of years. The only environments not experiencing fire as a significant ecological factor were those that remained very cold, very wet, or very dry, and even in these regions, extreme variation in…
Person:
Year: 1974
Type: Document
Source: FRAMES, TTRS
Topic(s): Administration, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: ecosystem dynamics, fire adaptations, fire exclusion, fire management, fire management planning, fire regimes, fire suppression, fuel accumulation, fuel types, human caused fires, lightning caused fires, national parks, chance ignition prescribed fires, recreation
Describes a new wildfire effects appraisal system developed for Wisconsin.
Person:
Year: 1983
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fire Effects, Hazard and Risk, Planning, Social Science
Region(s): Eastern
Keywords: fire benefits, fire damage, fire management, valuation procedure, management plan, Wisconsin, aesthetics, agriculture, air quality, catastrophic fires, environmental impact analysis, fire intensity, statistical analysis, wildlife habitat management
This paper reports the result of tetroon measurements of dispersion and turbulence in the Geysers Geothermal Area in the Coast Range of northern California.
Person:
Year: 1983
Type: Document
Source: FRAMES, TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Weather
Region(s): California
Keywords: dispersion, drainage, overstory, runoff, sloping terrain, statistical analysis