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We present evidence that fire suppression may have contributed to the fungal decline of torreya (Torreya taxifolia). During the 1950's torreya suffered a catastrophic die-back. The torreya die-back was probably caused by needle pathogens induced through environmental stress.…
Person:
Year: 1991
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, fire frequency, fire suppression, fungi, light, microorganisms, needles, plant diseases, plant growth, seed germination, smoke effects, succession, Tall Timbers Research Station, threatened and endangered species (plants), topography, Torreya taxifolia, toxicity, wildfires

The Minimum Acceptable Visibility (MAV) table was originally provided by the California Highway Patrol in response to an inquiry  relative to acceptable highway visibility reduction caused by smoke. The table was included in chapter two of the 1991 edition of the National Park…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Prescribed Fire, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire smoke, roads, road corridor, road, smoke effects, smoke-induced fog, superfog, smoke

Lightning causes one third of the 9000 wildfires that occur in Canada. Annually, these lightning-caused fires account for 90% of the area burned and cost Canadians at least 150 million dollars in suppression costs and values destroyed. Unlike the fires caused by human negligence…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Models, Weather, Economics
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies spp., Acer, Betula, boreal forests, Canada, computer programs, duff, fine fuels, fire control, fire management, fire suppression, firebrands, flammability, fuel loading, fuel models, fuel moisture, fuel types, hardwood forests, humidity, ignition, lightning, lightning caused fires, lightning effects, litter, moisture, physics, Picea, pine forests, pine hardwood forests, pine, Pinus strobus, Populus tremuloides, precipitation, rate of spread, smoke behavior, statistical analysis, storms, temperature, wildfires, wind, woody fuels

From the summary ... 'The basic routes leading to product formation in fires are identified and involve the thermal and thermal oxidative decomposition of the polymeric material. These products are released into the relatively mobile atmosphere of the fire where further…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, CO - carbon monoxide, chemical elements, combustion, decomposition, experimental fires, laboratory fires, pollution

From the text: 'In my opinion, professional foresters should be working much harder to get the facts across on prescribed burning because if we don't I feel forest management could suffer from restrictive rules or laws, both at the State and Federal level. There are still some…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Fuels, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conservation, education, fire management, fire protection, fire suppression, forest management, fuel accumulation, hardwoods, invasive species, liability, pine forests, public information, smoke management, Smokey Bear program

No abstract
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Economics, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: chaparral, fire equipment, fire injuries (animals), fire injuries (plants), fire management, fire protection, fuel appraisal, fuel management, fuel models, fuel types, logging, site treatments, smoke management

From Summary and Conclusions: '1. There are several different types of forest fires, each with distinct sets of emission characteristics. Emission factors for combustion products vary widely with fire behavior and fuel conditions. Whenever possible they should be expressed as…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Prescribed Fire
Region(s): California, Great Basin, Southern, Southwest, International
Keywords: air quality, Arizona, backing fires, carbon dioxide, CO - carbon monoxide, combustion, fire management, fire protection, forest management, fuel management, gases, headfires, hydrocarbons, logging, CH4 - methane, New Mexico, organic matter, particulates, pine forests, Pinus elliottii, Pinus taeda, residence time, smoke management, water, wildfires

From the text: 'After working in both air quality management and fuel management for the past two years, I am convinced that the two programs are compatible. We, as fire managers, should look upon air quality objectives and standards in the same light that we work with water…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire management, fire protection, fuel management, health factors, light, multiple resource management, national parks, natural resource legislation, pollution, smoke management, water, water quality, wilderness areas

'The control aspects of fire management from the hand raked fireline to the maintained firebreak can produce form, line, color & texture contrasts. Just as these contrasts can produce undesirable results, they can be used productively. It should be obvious by now that…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aesthetics, fire control, fire management, fire protection, firebreaks, land management, landscape ecology, smoke effects

From the text: 'To summarize we must put more emphasis on prescribed burning; must insure accountability; step up training in techniques and smoke management; make sure there's fire management direction in land use plans and look for new techniques and procedures.'
Person:
Year: 1977
Type: Document
Source: 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: fire management, fire protection, land use, smoke management

From the text: 'And, finally, I foresee a balanced fire management program. We do not want to lose our perspective. Aggressive fire control has not lost its importance. Fire readiness is a must. We will continue to have numerous fires in the foreseeable future. We must prevent…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Prevention, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: education, fire control, fire management, fire protection, fire suppression, forest management, fuel accumulation, fuel management, land management, land use, public information, smoke management

From the text: 'My prediction is that it will be necessary, for smoke management purposes, to go to complete regulation by State Forestry Agencies of all prescribed burning in order to save this critical forestry practice in the near future. I can assure you that none of the…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Planning, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire protection, prescribed fires (escaped), smoke management, wildfires

Equations for predicting duff and large woody fuel (7.6+ cm) consumption are summarized. Dependent variables are duff depth reduction, percentage duff depth reduction, percentage mineral soil, large fuel diameter reduction, and percentage large fuel reduction. Opportunities to…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies grandis, Artemisia tridentata, coniferous forests, conifers, duff, fire hazard reduction, fire management, fuel management, fuel models, grasses, mineral soils, pine forests, Pinus contorta, Pinus monticola, Pinus ponderosa, Pseudotsuga menziesii, wildfires, woody fuels

A prescribed fire was ignited near Chapleau, western Ontario, Canada, on the afternoon of August 10, 1989. The fire, covering approximately 400 ha, burned vigorously over a period of 3 hours, from 1400 to 1700 EDT, generating a plume cloud structure including a portion…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, distribution, field experimental fires, fire case histories, fire intensity, fire management, fuel loading, lightning, lightning effects, logging, Ontario, physics, site treatments, slash, smoke behavior, smoke effects, smoke management

After the serious smoke inversion conditions on the northern California and southern Oregon fires of 1987 and the Greater Yellowstone Area fires of 1988, the National Wildfire Coordinating Group (NWCG) hosted a conference - 'The Effect of Forest Fire Smoke on Firefighters'-in…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, northern California, Oregon, smoke behavior, smoke effects, Yellowstone National Park

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer programs, fire suppression, smoke behavior, smoke effects, smoke management, storms

[no description entered]
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Prevention, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: brush, fire control, fire equipment, fire management, fire regimes, fire suppression, ignition, logging, mopping up, season of fire, site treatments, slash

This paper draws on comments from 89 reporters who covered the fires, on comments from 146 of their new sources, and on evaluations of network television coverage by four groups of wildfire experts. The research also incorporates a content analysis of stories about the fires…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: bibliographies, catastrophic fires, education, environmental impact analysis, environmental impact statements, fire case histories, fire control, fire management, fire suppression, land management, national parks, public information, wildfires, Yellowstone National Park

Computers are rapidly expanding into the urban fire safety area. This paper presents some social implications caused by the use of computers for fire safety databases, arson prediction programs, and fire simulation programs. In regards to the new technological advances this…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Hazard and Risk, Models, Planning, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Arizona, computer programs, fire control, fire danger rating, fire equipment, fire management, fire suppression, human caused fires, incendiary fires, Massachusetts, rate of spread, wildfires

The western national parks managed by the Canadian Parks Service (CPS) are dominated by fire dependent forests of lodgepole pine, spruce and trembling aspen. Values at risk and high-intensity fire regimes limit the acceptability of unscheduled (lightning and unplanned man)…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Aviation, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Logistics, Prescribed Fire, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerial ignition, age classes, Canada, coniferous forests, distribution, ecosystem dynamics, fire dependent species, fire injuries (plants), fire intensity, fire management, fire regimes, flame length, fuel types, headfires, human caused fires, ignition, lightning, lightning caused fires, mortality, national parks, Picea, pine forests, Pinus contorta, Pinus glabra, Populus tremuloides, prescribed fires (chance ignition)

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Intelligence, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Social Science, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: crowns, dead fuels, education, fire suppression, forest management, fuel management, general interest, Georgia, land management, litter, overstory, public information, smoke management, surface fires, understory vegetation

n this chapter we describe the results of airborne studies of smokes from 17 biomass fuel fires, including 14 prescribed fires and 3 wildfires, burned primarily in the temperate zone of North America between 34° and 49°N latitude. The prescribed fires were in forested lands…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: North America, trace gases, smoke particulates, biomass fires

Due to the increasing concern about global climate change and the realization that biomass fires are a significant source of CO2, CH4, and other greenhouse gases, there is a need to quantify the emissions of these gases from biomass fires. The emissions from a wide variety of…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CO - carbon monoxide, hydrocarbons, biomass fires

Agricultural practices and land use modification were estimated to produce 14% and 9%, respectively, of the total greenhouse gas emissions contributing to global warming in the decade preceding 1990 (Marshall, 1989). Carbon release rates from tropical forest conversion have been…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: laboratory fires, wind tunnel, gaseous emissions, biomass burning

Description not entered.
Person:
Year: 1991
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: smoke emissions, prescribed fire emissions, PM10 emissions