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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

[no description entered]
Person:
Year: 1999
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: Borneo, Indonesia, light, logging, photography, rainforests, smoke effects, smoke management, statistical analysis, tropical forests, understory vegetation, 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

From the text ...'This paper summarizes results of a study conducted under the aegis of the Interior Columbia Basin Ecosystem Management Project. We report on a midscale scientific assessment of vegetation change in terrestrial landscapes of the interior West, associated change…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Mapping, Monitoring and Inventory, Outreach, Prescribed Fire, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies amabilis, Abies concolor, Abies grandis, Abies lasiocarpa, Abies magnifica, air quality, arthropods, Cascades Range, coniferous forests, conifers, cover type, crown fires, disturbance, ecosystem dynamics, education, fire danger rating, fire exclusion, fire frequency, fire regimes, fire suppression, fishes, forbs, forest management, fuel accumulation, fuel loading, grasses, grasslands, health factors, herbaceous vegetation, histories, hydrology, Idaho, insects, Juniperus, landscape ecology, Larix occidentalis, Montana, montane forests, mountains, national forests, Nevada, northern California, Oregon, overstory, Picea engelmannii, Pinus albicaulis, Pinus contorta, Pinus edulis, Pinus flexilis, Pinus lambertiana, Pinus monticola, Pinus ponderosa, plant diseases, Populus, prairies, Pseudotsuga menziesii, public information, Quercus garryana, range management, relict vegetation, remote sensing, rivers, Salix, shrublands, sloping terrain, smoke management, succession, Thuja plicata, Tsuga heterophylla, Tsuga mertensiana, Utah, Washington, watershed management, watersheds, wilderness fire management, wildfires, wildlife, wildlife habitat management, Wyoming

From the text...'Major policy initiatives and implementation of new management strategies are currently underway in both air resource and fire management. Land managers are rapidly expanding the use of fire to manage ecosystems, while air resource managers are accelerating…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Mapping, Models, 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 suppression, fuel appraisal, fuel models, GIS, public information, smoke behavior, smoke effects, smoke management, US Forest Service, wilderness fire management, wildfires

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

[no description entered]
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Prescribed Fire, Regulations and Legislation
Region(s): Great Basin, Southwest, International
Keywords: Africa, agriculture, air quality, Arizona, Australia, biomass, chemistry, decay, disturbance, ecosystem dynamics, energy, erosion, fire adaptations (plants), fire dependent species, fire frequency, fire intensity, fire management, fire sensitive plants, grasslands, grazing, humidity, hunting, ignition, lightning caused fires, litter, mineral soils, minerals, nutrient cycling, overstory, perennial plants, plant communities, pollution, post fire recovery, predation, presettlement vegetation, rangelands, savannas, soils, species diversity (plants), water, wildfires, woody plants

From the Executive Summary... 'Purpose: National forests of the dry, interior portion of the western United States that are managed by the Department of Agriculture*s Forest Service have undergone significant changes over the last century and a half, becoming much denser, with…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Economics, Emissions and Smoke, Fire History, Fire Prevention, Fuels, Hazard and Risk, Mapping, Planning, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Arizona, arthropods, catastrophic fires, coastal forests, Colorado, coniferous forests, crown fires, diseases, disturbance, droughts, fire damage (property), fire danger rating, fire dependent species, fire frequency, fire hazard reduction, fire intensity, fire regimes, fire size, fire suppression, fishes, flammability, floods, forest management, forest types, fuel accumulation, fuel loading, fuel management, health factors, Idaho, insects, landscape ecology, light burning, logging, Montana, multiple resource management, national forests, Nevada, New Mexico, Oregon, pine forests, Pinus ponderosa, pollution, population density, post fire recovery, precipitation, rangelands, recreation, smoke effects, smoke management, soils, species diversity, stand characteristics, streamflow, Texas, topography, trees, US Forest Service, understory vegetation, Utah, Washington, water, water quality, watersheds, wilderness areas, wilderness fire management, wildfires, wildlife, wildlife habitat management, wind, Wyoming

From the text...'The worst fire season in Mexican history was in 1998. Drought conditions precipitated by a strong El Niño led to unusual fire activity, including crown fires, fire whirls, and rapid spread rates. A total of 14,302 fires burned 2,099,412 acres (849,632 ha) - 3.6…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Logistics, Models, Outreach, Prescribed Fire, Restoration and Rehabilitation, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: agriculture, air quality, bibliographies, catastrophic fires, coniferous forests, crown fires, deforestation, ecosystem dynamics, education, fire danger rating, fire frequency, fire injuries (humans), fire intensity, fire regimes, fire suppression, fire whirls, firefighting personnel, forage, forest management, fuel loading, fungi, grasslands, grazing, Hilaria mutica, histories, human caused fires, livestock, Mexico, pine forests, Pinus durangensis, Pinus edulis, Pinus engelmannii, Pinus hartwegii, Pinus montezumae, Pinus patula, Pinus rudis, plant diseases, Quercus, regeneration, resprouting, roots, savannas, shrublands, slash and burn, smoke effects, statistical analysis, surface fires, wilderness fire management, wildfires, xeric soils

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

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)

Atmospheric composition, local climate and sapling gas exchange were monitored to assess the short-term effects of smoke-haze from the 1997 Indonesian forest fires. Atmospheric concentrations of particulate matter, SO2, CO, CH4 and CO2, and relative humidity were elevated, and…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire History, Intelligence, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, carbon dioxide, deforestation, fire case histories, fire management, forest management, humidity, Indonesia, native species (plants), particulates, photosynthesis, pollution, radiation, seedlings, smoke effects, smoke management, statistical analysis, S - sulfur, temperature, tropical forests, wildfires, aerosols, Borneo, particulate matter, SO2 - sulfur dioxide, tree species, tropical deforestation

[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

A computational procedure for predicting the buoyant plume above a line fire in a cross wind is reported. The present model takes into account the interaction between the plume and the surrounding flow by solving the two-dimensional equations for the conservation of mass,…
Person:
Year: 1999
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: cross wind, fire impact modeling, buoyant plume

This document will help state, local, and tribal air pollution control agency personnel compile an inventory of criteria pollutant emissions from stationary (point and area) sources. The information contained in this document is intended to serve as a reference guide only, and…
Person:
Year: 1999
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: air quality, PM2.5, air pollution, area source, ozone, PM10, point source, CO - carbon monoxide, pollutants, EI - Emission Inventory, nitrogen oxides

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

The trace gas emissions from six biomass fires, including three grass fires, were measured using a Fourier transform infrared (FTIR) spectrometer coupled to an open-path, multipass cell (OP-FTIR). The quantified emissions consisted of carbon dioxide, nitric oxide, water vapor,…
Person:
Year: 1999
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: laboratory fires, surface fuels, trace gas emissions, infrared spectroscopy

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

Evolving wildfire management policies are aimed at more comprehensive treatments of current wildland fire management problems. Key policies are identified that affect wildfire and fuels management. Policies are discussed in the context of institutional factors such as…
Person:
Year: 1999
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Prevention, Fuels, Models, Planning, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: BEHAVE, fire management, fire suppression, resource management, coordination