Type
Topic
Region
Year
Displaying 1 - 25 of 31
Biomass combustion plays an important role in the earth's biogeochemical cycling. The monitoring of wildfires and their associated variables at global scales is feasible and can lead to predictions of the influence of combustion on biogeochemical cycling and tropospheric…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): California
Keywords: thermal analysis, wildfires, biogeochemical cycles, biomass burning, remote sensing, AVHRR - Advanced Very High Resolution Radiometer
Soil was exposed to red phosphorous/butyl rubber (RP/BR) aerosols at various relative humidities in a recirculating environmental wind tunnel. Soil microbial and enzymatic activities were measured immediately after exposure and periodically thereafter for 56 days. The…
Person:
Year: 1988
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, chemistry, cropland fires, heat effects, humidity, microorganisms, nutrient cycling, pH, pollution, post fire recovery, smoke effects, soil organisms, soils, statistical analysis, toxicity, wildfires, wind
[no description entered]
Person:
Year: 1988
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Models, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: broadcast burning, duff, fire danger rating, fire hazard reduction, fire injuries (plants), fire management, fire regimes, fire suppression, fuel models, fuel moisture, fuel types, heat effects, humidity, litter, moisture, mopping up, multiple resource management, precipitation, smoke behavior, smoke effects, soil temperature, statistical analysis, temperature, weather observations, woody plants
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Planning, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, firing techniques, Florida, smoke management
(1)The behaviour of the August 1936 Galatea fire in the foothills of the Canadian Rocky Mountains was reconstructed with respect to the rate of spread, frontal-fire intensity and fuel consumption, and illustrates that tree mortality, seed dispersal distance into the burn and…
Person:
Year: 1988
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Intelligence, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies lasiocarpa, Alberta, Canada, conifers, crown fires, duff, elevation, fine fuels, fire adaptations (plants), fire case histories, fire frequency, fire intensity, fire size, fire suppression, fuel appraisal, fuel moisture, fuel types, habitat types, ignition, lightning caused fires, litter, moisture, montane forests, mortality, mountainous terrain, mountains, national parks, organic matter, overstory, Picea, Picea engelmannii, pine, Pinus contorta, plant growth, post fire recovery, radiation, rate of spread, regeneration, reproduction, sampling, seed dispersal, seed germination, site treatments, smoke behavior, species diversity (plants), statistical analysis, subalpine forests, topography, trees, water, wildfires, wind
[no description entered]
Person:
Year: 1981
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, carbon dioxide, CO - carbon monoxide, gases, hydrocarbons, particulates
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, smoke behavior, smoke management, wind
[no description entered]
Person:
Year: 1988
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, flammability, hardwoods, heat, heat effects, laboratory fires, Ohio, Pseudotsuga menziesii, Quercus rubra, wood, wood properties
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aesthetics, air quality, fire frequency, fire intensity, fire management, fire regimes, recreation, soil erosion, water quality
The history of the Clean Air Act is reviewed from 1955 to 1980. The 1980 Visibility Regulation is cited as the first federal clean air policy which specifically addresses prescribed burning. Thirty-six states containing National Parks and Wilderness areas are now required to…
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Hazard and Risk, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, histories, land management, logging, national parks, smoke management, wilderness areas, wildlife
It is shown that similarity solutions in strong buoyant plumes (plant or axisymmetric) exist if a local characteristic turbulent diffusion coefficient varies inversely proportional to the square of the local gas density in the plume. The similarity formulation implies that the…
Person:
Year: 1981
Type: Document
Source: 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: axis, flame length, gases, smoke behavior, smoke effects, smoke management, temperature
Measurements of cloud condensation nuclei were made from small samples of stratospheric air taken from a U-2 aircraft at altitudes ranging from 13 to 19 kilometers. The measured concentrations of nuclei both in and outside the plume from the May and June 1980 eruptions of Mount…
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, Montana, sampling, volcanoes, Washington
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer programs, fire management, fire protection, fire suppression, gases, human caused fires, ignition, light, photography, radiation, rate of spread, sampling, smoke effects, smoke management, statistical analysis, temperature
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire, Weather, Economics
Region(s): California, Great Basin
Keywords: burning intervals, chaparral, fire management, fuel loading, fuel moisture, fuel types, grasses, Mediterranean habitats, national parks, season of fire, smoke management, wilderness fire management, xeric soils
Experimental, free-burning wood fires larger than 5 ha were similar in convection column volume after the initial buoyant, ring-vortex rose from the ground. The fire generated strong vorticity patterns which propagated upward into the convection column. The rotation suppressed…
Person:
Year: 1981
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Monitoring and Inventory, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: convection column, large fires, wind shear, combustion gases
Airborne measurements have been made in the smokes from large fires of standing coniferous trees and logging debris, standing chaparral, fallen jack pine, and wheat stubble. Panicle emission factors, particle size distributions, optical properties of the smokes, and trace gas…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California, Northern Rockies, Northwest, International
Keywords: Canada, PM - particulate matter, biomass burning, airborne measurements
In this paper, the impact on air quality of prescribed fire for weed control is described, and management opportunities to control air pollution are discussed.
Person:
Year: 1981
Type: Document
Source: FRAMES, TTRS
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, air pollution, PM - particulate matter, weed control, carbon dioxide, CO - carbon monoxide, fire intensity, forest management, grass fuels, grasses, hydrocarbons, live fuels, particulates, smoke management, weed control
Measurements of biogenic soil emissions of nitric oxide (NO) and nitrous oxide (N2O) before and after a controlled burn conducted in a chaparral ecosystem on June 22, 1987, showed significantly enhanced emissions of both gases after the burn. Mean NO emissions from heavily…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: chaparral, N2O - nitrous oxide, San Dimas Experimental Forest, biogenic emissions, nitric oxide, biogenic soil emissions
Measurements in the plumes from seven forest fires show that the concentrations of NH3 were considerably in excess of ambient values. Calculation of NH3 emissions from the fires, based on the ratio of NH3/CO in the plumes and emissions of CO from biomass burning, suggest that…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): California, Northern Rockies, Northwest, International
Keywords: smoke measurements, biomass burning, fire emissions, smoke plumes, airborne measurements, ammonia
Smoke aerosol was collected on filters from a helicopter during a 400-acre (1.62 km2) prescribed chaparral burn in the San Dimas Experimental Forest on December 12, 1986. Hi-Vol samplers were used to collect particles on both Teflon and glass fiber filters. Scanning electron…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: smoke aerosol emissions, San Dimas Experimental Forest, chaparral fires, particulate emissions
Gas samples were collected in smoke plumes over the San Dimas Experimental Forest during a 400-acre prescribed chaparral fire on December 12, 1986. A helicopter was used to collect gas samples over areas of vigorous flaming combustion and over areas of mixed stages (vigorous/…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: trace gas emissions, smoke plumes, San Dimas Experimental Forest, chaparral fires
This paper is concerned with the investigation of the detailed aspects of smoke generation during the burning of natural and synthetic solid materials under simulated fire conditions. With this objective in mind, the first portion of the paper is devoted to a review of relevant…
Person:
Year: 1981
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke characteristics, flaming combustion, nonflaming combustion, smoke particulates
Recent measurements indicate significantly enhanced biogenic soil emissions of both nitric oxide (NO) and nitrous oxide (N2O) following surface burning. These enhanced fluxes persisted for at least 6 months following the burn. Simultaneous measurements indicate enhanced levels…
Person:
Year: 1988
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: N2O - nitrous oxide, biomass burning, San Dimas Experimental Forest, surface burn, biogenic emissions
Emission factors and the size distribution for smoke particles from prescribed fire are described from data collected by airborne sampling, surface sampling using towers, and combustion hood systems. Emission factors for particulate matter (g/kg) range from 4 to 16 for particles…
Person:
Year: 1988
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FERA - Fire and Environmental Research Applications Team, smoke properties, emission factors, particulate matter (PM) emissions, fire management, forest management, smoke management, air quality, particulates, Montana, Arizona, Nevada, New Mexico, Oregon, Washington
Smoke emitted from forest fires in northern California in September 1987 was trapped in a valley by an inversion for 3 weeks. Daily maximum temperatures on the valley floor were more than 15 degrees C below normal for 1 week and more than 5 degrees C below normal for 3 weeks.…
Person:
Year: 1988
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Hazard and Risk, Models, Weather
Region(s): California
Keywords: temperature, surface cooling, air temperature, catastrophic fires, climatology, heat, mortality, northern California, nuclear winter, plant growth, smoke behavior, smoke effects, soil temperature, weather observations, wildfires