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The major condensible products (-45ºC) from smoldering combustion of ponderosa pine sapwood have been identified and quantified. Methylene chloride extracts of the condensate, as well as nonextracted condensate, were analyzed by gas chromatography/mass spectrometry (GC/MC). Non-…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, biomass, carbon, CO - carbon monoxide, char, chemical compounds, combustion, fire management, fuel management, gases, Pinus ponderosa, plant physiology, toxicity, volatilization, wildfires, wood, semi-volatile compounds, air toxics, smoldering combustion, biomass burning, ponderosa pine, chemical analysis, gas chromatography

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, ash, Asia, biomass, boreal forests, Canada, carbon dioxide, CO - carbon monoxide, chaparral, China, ecosystem dynamics, fire case histories, fire management, forest management, gases, greenhouse gases, human caused fires, CH4 - methane, ozone, post fire recovery, Russia, statistical analysis, tropical forests, wetlands, woody fuels

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Africa, air quality, biomass, boreal forests, carbon dioxide, chaparral, chemical compounds, fire management, laboratory fires, national parks, ozone, pesticides, savannas, smoke management, South Africa, wildfires

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): California, Great Basin
Keywords: annual plants, artificial regeneration, chaparral, char, competition, ecosystem dynamics, erosion, fire management, fire size, floods, foliage, introduced species, Lolium multiflorum, mortality, native species (plants), plant communities, plant growth, post fire recovery, range management, regeneration, roots, sedimentation, seed dormancy, shrubs, species diversity (plants), wildfires

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): International
Keywords: Australia, fire injuries (plants), fire management, flame length, rate of spread, smoke behavior, statistical analysis, temperature, wind

The National Weather Service Fire Weather Program provides weather forecasting and meteorological support services to state and federal wildland fire management agencies. An Intergovernmental Fire Weather User's Summit, sponsored by the National Weather Service (NWS) and the…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Prevention, Models, Planning, Prescribed Fire, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, education, fire danger rating, fire equipment, fire exclusion, fire management, fire suppression, land management, smoke management, US Forest Service, wilderness fire management, wildfires

Created through the Wildfire Disaster Recovery Act of 1989 (PL 101-286), in response to the destructive western fire season of 1987 and the Yellowstone fires of 1988, the Commission was asked to consider the environmental and economic effects of disastrous wildfires through…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Planning, Regulations and Legislation, Social Science, Economics, Fire Ecology, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, arid regions, biomass, catastrophic fires, chaparral, ecosystem dynamics, education, erosion, fire case histories, fire exclusion, fire hazard reduction, fire intensity, fire management, fire protection, fire regimes, fire suppression, fishes, forest management, forest products, fuel accumulation, fuel management, general interest, hardwood forests, histories, Idaho, land management, land use, liability, logging, mosaic, natural resource legislation, Nevada, nongame birds, Oncorhynchus, Oregon, pine forests, Pinus ponderosa, public information, rangelands, small mammals, smoke management, Strix occidentalis, thinning, threatened and endangered species (animals), understory vegetation, watershed management, West Virginia, wildfires, wildlife habitat management

It is possible to delimit the areas of the North, Central, and South America that are most susceptible to fire and would have been most affected by burning practices of early Americans. Areas amounting to approximately 155 x 105 km² are here designated as the most burnable part…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire History, Fire Occurrence, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: agriculture, biomass, broadcast burning, carbon, Canada, Central America, charcoal, chemical elements, disturbance, European settlement, fire frequency, grasslands, human caused fires, land management, Mexico, Native Americans, particulates, presettlement fires, smoke effects, South America, topography

The National Weather Service Fire Weather Program provides weather forecasting and meteorological support services to state and federal wildland fire management agencies. An Intergovernmental Fire Weather User's Summit, sponsored by the National Weather Service (NWS) and the…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Mapping, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, biomass, ecosystem dynamics, fire exclusion, fire frequency, fire management, fire suppression, forest management, land management, particulates, Pinus, smoke management, species diversity (plants), statistical analysis, US Forest Service, wildfires

Pre-industrial human activities which changed the atmospheric greenhouse gas or aerosol loading, or which modified the properties of the earth's surface, such as albedo, roughness, or vegetation cover, had the potential to modify the regional or even global climate. The primary…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire History, Fuels, Models, Prescribed Fire, Restoration and Rehabilitation
Region(s): Eastern, Northern Rockies, Rocky Mountain, Southwest, International
Keywords: agriculture, air quality, biomass, cover, deforestation, Europe, European settlement, fuel management, climate change, human caused fires, India, presettlement fires, regeneration, topography

Firefighters have always had to contend with the nuisances and discomfort caused by smoke they inhale while trying to suppress wildland fires. Until special equipment is developed to exclude all smoke, firefighters will continue to have symptoms from irritations caused by…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels
Region(s): California, Great Basin
Keywords: air quality, CO - carbon monoxide, fire equipment, fire suppression, gases, particulates, season of fire, smoke effects, smoke management, toxicity, wildfires, wildland fuels

The capture of fire by the genus Homo changed forever the natural history of the Earth. Even today fire appears at the core of many popular scenarios for an environmental apocalypse. Yet the larger history of fire - the varied ways human society have sought to use and control…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Economics, Fire Ecology
Region(s): Alaska, California, Great Basin, International
Keywords: aborigines, agriculture, air quality, Australia, biomass, charcoal, combustion, Europe, everglades, Finland, fire adaptations (plants), fire exclusion, forest management, fuel appraisal, Greece, histories, human caused fires, ignition, lightning caused fires, Mediterranean habitats, prehistoric fires, Scandinavia, season of fire, slash and burn, statistical analysis, Sweden, wildlife habitat management

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Northwest, Rocky Mountain
Keywords: Acer glabrum, air quality, Amelanchier, catastrophic fires, cavity nesting birds, Colorado, cover type conversion, cutting, disturbance, droughts, ecosystem dynamics, fire dependent species, fire exclusion, fire frequency, fire injuries (plants), fire intensity, fire management, fire regimes, fire suppression, forest management, fuel accumulation, fuel loading, fuel moisture, herbicides, Larix occidentalis, lightning caused fires, logging, mammals, mosaic, Oregon, pine forests, Pinus contorta, Pinus ponderosa, plant diseases, public information, Purshia tridentata, season of fire, Selway-Bitterroot Wilderness Areas, site treatments, slash, smoke behavior, smoke management, threatened and endangered species (plants), understory vegetation, Washington, wildfires

Large, free-burning fires do not burn steadily. As most experienced fire personnel know, fire behavior varies significantly with time. It frequently can be described as pulsating. This pulsing is caused by a process called layer-replacement. As the burning creates a zone of hot…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion, convection, experimental fires, gases, smoke behavior, wilderness fire management

Among the difficult land management problems Floridians face due to explosive population growth and extensive remaining wildland acreage is ensuring highway safety near and downwind of prescribed fires. A climataology of relevant parameters is useful for mitigating potentially…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Prescribed Fire, Safety, Weather
Region(s): Southern
Keywords: Florida, forest management, humidity, land management, pine forests, roads, smoke behavior, smoke management, state parks, temperature, wind

Over the past four years scientists have cooperatively monitored fire behavior and smoke chemistry, on a number of large prescribed fires in the Province of Ontario. Primary cooperating agencies include Forestry Canada, the United States Forest Service, the National Aeronautics…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Administration, Aviation, Economics, Emissions and Smoke, Fire Behavior, Logistics, Models, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerial ignition, British Columbia, Canada, chemistry, coniferous forests, convection, energy, fire management, forest management, Ontario, pine forests, sampling, smoke behavior, US Forest Service, wind

The Tiered Smoke/Air Regources Sygtem (TSARS) allows fire management field officers to test fire prescriptions for smoke management problems. They can perform these analyses in terms they understand and use the results to adjust the prescription if necessary. More sophisticated…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models, Planning, Prescribed Fire
Region(s): Rocky Mountain
Keywords: air quality, computer programs, fire management, land management, mining, national forests, national parks, particulates, smoke management, topography, US Forest Service, wind, Wyoming

Planning prescribed fires for optimal periods which results in emissions reduction is an extremely useful air quality management technique. New information suggests that one more useful tool in smoke management may involve using the capacity of the atmosphere to remove smoke…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies spp., air quality, Betula papyrifera, biomass, Canada, coniferous forests, fuel moisture, heat, logging, moisture, pine forests, Pinus banksiana, Populus, precipitation, Pseudotsuga menziesii, slash, smoke behavior, smoke management, Tsuga, wilderness fire management, wildfires

The OCTET modeling system has been designed to simulate the atmospheric dynamics, microphysics and scavenging above hypothetical large city fires with energy release rates on the order of 10-100kW/m2 over areas of tens to hundreds of square kilometers. It simulates the three-…
Person:
Year: 1994
Type: Document
Source: 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, International, National
Keywords: aerosols, Canada, coniferous forests, energy, fire management, forest management, logging, Ontario, Picea, pine forests, Pinus banksiana, Pinus contorta, precipitation, slash, smoke behavior, weather observations

Electric field measurements, combined with lightning location data, demonstrate that the plume clouds from large fires can be charged and can generate lightning discharges. The results of measurements made on a prescribed burn show that the charge distribution is a positive…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, distribution, fire management, forest management, lightning, lightning effects, logging, Ontario, smoke effects, storms, weather observations

We present estimates of nitrogen oxide (NOx) emission from worldwide biomass burning totaling ~13 Tg N yr-1 on a 1 degree longitude by 1 degree latitude grid. Roughly 80 percent of these emissions occur in the zone from 25N to 25 degrees S. The inventory presented here is…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Africa, air quality, Asia, biomass, croplands, forest types, fuel types, grasslands, nitrogen, pollution, precipitation, rainforests, scrub, South America, Southeast Asia, tundra

The Doppler lidar of NOAA/ERL's Wave Propagation Laboratory (WPL) observed a prescribed forest fire that was ignited in the township of Battersby, Ontario, Canada, on 12 August 1988. During the first hour of the fire the lidar saw the smoke column rise nearly straight up to a…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, distribution, fire management, light, Ontario, particulates, remote sensing, smoke behavior, smoke management, wind

A major problem with weather data in complex terrain is temporal and spatial interpolation. The British Columbia Forest Service, through the services of Atmospheric Dynamics Corporation, has adapted a meso-scale weather model to provide hourly predictions out to 4.5 days for a…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Mapping, Models, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: British Columbia, Canada, rate of spread, smoke management, temperature, wilderness fire management, wildfires, wind

'Fire came to the rainforest, and Krajcberg began to agonize over the ruin. 'There was such smoke that I never saw the natural sun,' he recalled in a recent interview with The New York Times. 'I denounced the burning, but I didn't have any impact. At that time, burning the…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Effects, Emissions and Smoke
Region(s): International
Keywords: aesthetics, Brazil, disturbance, fire management, general interest, habitat conversion, human caused fires, New York, photography, rainforests, South America, trees

The Restionaceae is one of the three major families defining fynbos, the characteristic vegetation type of the Cape Floristic Region. Periodic fires with a frequency of 5 to 40 years are a natural phenomenon in fynbos vegetation. Fire-stimulated seed germination has been…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): International
Keywords: Asteraceae, Ericaceae, fire management, fynbos, germination, heat, heat effects, herbaceous vegetation, Restionaceae, seed germination, seeds, smoke effects, South Africa, temperature