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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

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

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

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

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Prescribed Fire, Aquatic, Emissions and Smoke, Fuels, Hazard and Risk
Region(s): California, Great Basin
Keywords: catastrophic fires, chaparral, coniferous forests, cover type, crown fires, diseases, duff, erosion, field experimental fires, fire hazard reduction, fire intensity, flame length, forest management, fuel accumulation, Georgia, grasses, hydrology, leaves, mineral soils, pH, Pinus brutia, Pinus contorta, Pinus lambertiana, Pinus ponderosa, precipitation, Pseudotsuga menziesii, Quercus kelloggii, Quercus wislizeni, Sequoia sempervirens, site treatments, smoke effects, soil moisture, state forests, statistical analysis, surface fires, surface fuels, water repellent soils, watersheds, wildfires, wildland fuels, wildlife habitat management, infliltration, hydrophobicity, forest floor consumption, fireline intensity

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Great Basin
Keywords: combustion, computer programs, cover type, duff, ecosystem dynamics, erosion, fuel loading, fuel moisture, Georgia, heat, hydrology, mineral soils, mortality, overstory, Pinus ponderosa, regeneration, scorch, soil moisture, soil temperature, stand characteristics, statistical analysis, succession, trees, wilderness areas, wilderness fire management, wildfires, wildland fuels, woody fuels, fuel consumption, tree mortality, computer model, national geographic zones, USER NETWORK

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Great Basin, Northern Rockies, International
Keywords: Abies lasiocarpa, air quality, boreal forests, British Columbia, Canada, computer programs, coniferous forests, decay, decomposition, diameter classes, droughts, ecosystem dynamics, energy, fire management, fuel loading, fuel management, fuel moisture, Georgia, Idaho, logging, Palmaceae, Picea glauca, Pseudotsuga menziesii, slash, statistical analysis, Thuja plicata, Tsuga heterophylla, woody fuels, woody fuel consumption, model testing, CONSUME model, interior cedar-hemlock forests

[no description entered]
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Great Basin, Northwest
Keywords: air quality, broadcast burning, clearcutting, coniferous forests, digital data collection, fire management, Georgia, hardwood forests, land use, low intensity burns, sampling, slash and burn, smoke behavior, smoke management, statistical analysis, US Forest Service, understory vegetation, Washington, EPM (Smoke Emissions Production Model), fuel consumption, smoke dispersion

A study of smoke exposure at prescribed fires was done by the USDA Forest Service, Pacific Northwest Research Station and Radian Corporation between 1991 and 1994. This study was done to assess exposure to smoke among firefighters at prescribed fires in the Pacific Northwest.…
Person:
Year: 1994
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory, 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 exposure

A smoke emissions production model (EPM) was developed by the USDA Forest Service, Pacific Northwest (PNW) Research Station about 10 years ago. Since then, the model has been coded into a computer module and integrated into a variety of other computer programs. The module, EPM,…
Person:
Year: 1994
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: broadcast burning, EPM - Emissions Production Model, FERA - Fire and Environmental Research Applications Team, smoke dispersion, smoke models, smoldering phase

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, C - 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

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, C - 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