Type
Topic
Region
Year
Displaying 1 - 23 of 23
[no description entered]
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, bacteria, bibliographies, Erwinia herbicola, leaves, plant growth, Pseudomonas syringae, seedlings, smoke effects, statistical analysis, toxicity, Triticum sativum, wildfires, Zea mays
The motion of a strong line thermal in an unstratified atmosphere is modeled to estimate a bound for its capability to life firebrand particles. It is found that the maximum height of a viable firebrand is roughly proportional to the square root of thermal strength. The…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire control, fire management, firebrands, ignition, particulates, site treatments, smoke management, spot fires, temperature, wildfires, wind
From the text ... 'The ponderosa pine-grassland is characterized by the occurrence and distribution of ponderosa pine, Pinus ponderosa. It is widely spread covering some 36 million acres from the Fraser River Basin in British Columbia to Durango, Mexico, and from Nebraska to the…
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Intelligence, Outreach, Prescribed Fire, Social Science, Economics, Fire Ecology, Hazard and Risk
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies concolor, aesthetics, air quality, Andropogon scoparius, Arizona, British Columbia, Calamagrostis rubescens, Canada, Chamaebatia foliolosa, coniferous forests, distribution, disturbance, ecosystem dynamics, ecotones, Elymus, European settlement, fire adaptations (plants), fire exclusion, fire frequency, fire hazard reduction, fire management, fire resistant plants, fire scar analysis, fire suppression, flammability, forage, forest management, forest types, fuel management, gases, grasses, grasslands, grazing, habitat types, herbaceous vegetation, landscape ecology, livestock, Mexico, Montana, montane forests, Muhlenbergia, multiple resource management, national parks, Native Americans, Nebraska, needles, openings, pine, Pinus ponderosa, pollution, presettlement fires, presettlement vegetation, public information, Purshia tridentata, recreation, regeneration, reproduction, South Dakota, succession, surface fires, understory vegetation, water, wildlife
[no description entered]
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Economics, 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: computer programs, cutting, fire management, fuel accumulation, fuel arrangement, fuel loading, fuel management, fuel models, logging, particulates, site treatments, smoke management, statistical analysis
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
'The Canadian Forest Fire Research Institute recently developed a functionally foolproof rate-of-fire spread timer; it costs about $10 to make.'
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, fire danger rating, fire equipment, fire management, fuel accumulation, Ontario, rate of spread
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: 1973
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Prescribed Fire, Regulations and Legislation, Economics
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, croplands, grasslands, livestock, Oregon, particulates, seed production
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
The increasing use of prescribed fire in forest management and the continuing burning of agricultural crop residues creates problems in air pollution. More information is needed on yields of pollutant gases and particulates and how these emissions might be altered by varying…
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Prescribed Fire, Hazard and Risk
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies concolor, agriculture, air quality, backfires, broadcast burning, croplands, decay, field experimental fires, fire hazard reduction, firing techniques, forest management, fuel accumulation, fuel loading, fuel moisture, fuel types, gases, headfires, hydrocarbons, ignition, laboratory fires, moisture, particulates, Pinus lambertiana, Pinus ponderosa, pollution, sampling, Sequoiadendron giganteum , temperature
Spontaneous combustion is thought to be a cause of many of the fires which occur in areas such as peat bogs or dry snags. The theories of spontaneous heating are presented, along with a discussion of possible ignition mechanisms in both wood-chip and hay fires. The physical…
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: bacteria, bibliographies, bogs, Canada, chemistry, combustion, decay, flammability, fuel moisture, fuel types, gases, heat, humidity, ignition, peat fires, snags, soils, statistical analysis, temperature, woody fuels
In an effort to gain a better understanding of the mechanics involved in the formation of vortices in buoyancy driven flows, an analysis on the stability of the laminar free convection, due to a line source of heat with ambient shear, was performed by numerical solution of a…
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion, convection, distribution, disturbance, elevation, fire management, fire whirls, heat, smoke management, statistical analysis, vortices
[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
Description not entered.
Person:
Year: 1983
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire, meteorology
'Two studies were undertaken. An initial study in 1974 produced results that indicated significant losses of nitrogen and some other elements. The study was repeated 1981 as a check on the results of the 1974 burn, and to provide an assessment of the methods used in the first…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Acer macrophyllum, air quality, Alnus rubra, Betula papyrifera, biomass, British Columbia, calcium, Canada, chemical elements, clearcutting, combustion, ecosystem dynamics, forest management, fuel management, laboratory fires, magnesium, N - nitrogen, nutrient cycling, particulates, phosphorus, pine hardwood forests, Pinus ponderosa, Pinus radiata, Populus trichocarpa, K - potassium, Pseudotsuga menziesii, sampling, slash, soils, Thuja plicata, Tsuga heterophylla
[no description entered]
Person:
Year: 1973
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, Arizona, CO - carbon monoxide, hydrocarbons, N - nitrogen, particulates, pollution, smoke management, water
[no description entered]
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, C - carbon, carbon dioxide, CO - carbon monoxide, chemistry, combustion, decay, flammability, fuel moisture, fuel types, gases, hydrogen, ignition, statistical analysis, temperature, Washington, wildfires, wood
Wild and prescribed fires currently burn about 20,100 ha per year in Washington west of the Cascade Crest: prehistoric wildfires burned an estimated 19,200 ha per year. Modern burning consumes 38 g/m²/yr of fuel; the estimated prehistoric rate was 35 g/m²/yr over a 50-percent…
Person:
Year: 1983
Type: Document
Source: FRAMES, TTRS
Topic(s): Aviation, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Prescribed Fire
Region(s): Northwest
Keywords: prehistoric fires, smoke production, fuel consumption, western Washington, Abies amabilis, aerial ignition, air quality, C - carbon, catastrophic fires, coniferous forests, disturbance, ecosystem dynamics, elevation, evergreens, fire frequency, fire hazard reduction, fire intensity, fire management, fire management planning, fire regimes, fire weather, foliage, forest types, heavy fuels, lightning caused fires, litter, logging, multiple resource management, national parks, natural resource management, Picea sitchensis, population density, prehistoric fires, season of fire, slash, smoke effects, smoke management, statistical analysis, Thuja plicata, Tsuga heterophylla, Tsuga mertensiana, understory vegetation, wildfires
Forest fires can be divided into two broad classes-wildfires and prescribed fires. Wildfires, whether caused by nature (lightning, etc.) or by the accidental or malicious acts of man, are not planned by forest managers and do not occur under controlled conditions. They can be…
Person:
Year: 1983
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fuel characteristics, fire emissions, forest fires, bibliographies, C - carbon, cellulose, chemistry, clearcutting, combustion, decay, duff, energy, ferns, fire weather, fuel moisture, fuel types, grass fuels, herbaceous vegetation, hydrocarbons, H2 - hydrogen, ignition, lignin, litter, logging, nutrients, organic matter, O - oxygen, fine particulates, seedlings, slash, woody fuels