Skip to main content

Displaying 1 - 17 of 17

[no description entered]
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Logistics, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire equipment, firebreaks, Illinois, manuals, Melilotus albus, prairies, season of fire, seed germination, weed control

Observation shows that three types of horizontal vortices may form during intense wildland fires. Two of these vortices are longitudinal relative to the ambient wind and the third is transverse. One of the longitudinal types, a vortex pair, occurs with extreme heat and low to…
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire, Safety
Region(s): California, Eastern, Great Basin, Southwest, International
Keywords: Arizona, catastrophic fires, coniferous forests, convection, crown fires, Europe, field experimental fires, fire intensity, fire management, fire suppression, firebrands, flame length, France, fuel types, heat, heat effects, heavy fuels, ignition, laboratory fires, Michigan, Minnesota, mountains, national forests, Nevada, Pinus edulis, rate of spread, slash, smoke behavior, statistical analysis, temperature, vortices, wilderness areas, wildfires, wind, Wisconsin

Seeds of three species of dwarf mistletoe, Arceuthobium americanum Nutt. Ex Engelm., A. cyanocarpum Coulter & Nelson, and A. vaginatum subsp. cryptopodum (Engelm.) Hawksw. & Wiens, were exposed to smoke from burning forest fuels. Premeasured amounts of coniferous needles…
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, Arceuthobium, coniferous forests, conifers, duff, fuel moisture, heat effects, needles, parasitic plants, plant growth, seed germination, smoke effects, statistical analysis, temperature, woody fuels

The subtitle ... 'The American dream of a home in the woods is going up in smoke for more and more people. Here's how to keep it from happening to you.' Published by American Forests. Abstract reproduced by permission.
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire damage (property), fire size, fire suppression, mortality, wildfires, wood

From the summary:'Experimental study on the visibility through fire smoke was carried out. The relation among the brightness of sign, visual distance, and the extinction coefficient of smoke at the instant of obscuration threshold was obtained by using the smoke chamber. The…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Hazard and Risk, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, experimental fires, Japan, smoke management, temperature

From the text ... 'Before we can begin working on a problem, we all need to understand its nature and scope. Fire is a problem that is usually easy to grasp, but wildfire has tended to occur in remote, less popluated areas, away from personal experience and the probing eye of…
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Planning, Regulations and Legislation, Weather, Wildland-Urban Interface (WUI)
Region(s): California, Eastern, Great Basin, Southern
Keywords: catastrophic fires, combustion, duff, education, fire control, fire damage (property), fire damage protection, fire equipment, fire management, fire protection, fire size, fire suppression, firefighting personnel, flame length, Florida, health factors, litter, logging, New Jersey, particulates, precipitation, smoke effects, urban habitats, wildfires

From the text ' Under specific circumstances it has been shown that prescribed burning can be used: (1) to reduce fuel accumulation from logging and slashing and the hazard of accidental fire; (2) to prepare seedbeds and reduce competition for tree regeneration; (3) to improve…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Prescribed Fire, Safety, Social Science
Region(s): Great Basin, Rocky Mountain
Keywords: aesthetics, air quality, competition, diseases, education, fire adaptations (animals), fire adaptations (plants), fire management, firing techniques, fishes, forage, fuel accumulation, grazing, livestock, logging, Montana, multiple resource management, public information, recreation, regeneration, slash, smoke management, soils, succession, wildfires, wildlife

Costs and effectiveness of fire control, need for hazard reduction, slash disposal policy, history of slash burning, opportunities for prescribed burning, as well as fire effects, costs and benefits are described breifly. Most attention is given to the Vancouver Forest District…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: British Columbia, Canada, fire control, fire hazard reduction, fire management, histories, Pseudotsuga menziesii, slash, smoke effects, Tall Timbers Research Station, US Forest Service

Long-term effects of air pollutants in Finland have been studied by analyzing needle litter of pine (Pinus silvestris L.) and spruce (Picea abies L. Karst) in 13 stands from the years 1958 to 1982. A considerable annual increase in elemental concentrations was observed in the…
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies spp., air quality, Asteraceae, Canada, chemical elements, coniferous forests, Finland, litter, needles, nutrients, Picea, Picea abies, Pinus sylvestris, pollution, K - potassium, sampling, Scandinavia, site treatments, soil nutrients

The present-day northern Rocky Mountain vegetation is the product of a long history of geologic and climatic events that have interacted with the species populations composing the regional flora. General concepts relating to the organization, classification, and dynamic nature…
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Mapping, Fire History
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies grandis, Abies lasiocarpa, agriculture, Agropyron spicatum, air quality, Artemisia tridentata, biogeography, bogs, British Columbia, Canada, Colorado, community ecology, coniferous forests, cover, distribution, disturbance, ecosystem dynamics, Festuca idahoensis, fire adaptations (plants), fire regimes, fire suppression, geology, glaciers, grasslands, grazing, histories, Idaho, introduced species, invasive species, Larix occidentalis, logging, marshes, mining, Montana, montane forests, mosses, mountains, national forests, national parks, old growth forests, Picea engelmannii, pine forests, Pinus albicaulis, Pinus contorta, Pinus flexilis, Pinus monticola, Pinus ponderosa, plant communities, Populus tremuloides, prairies, riparian habitats, shrublands, subalpine forests, swamps, Thuja plicata, topography, Tsuga heterophylla, tundra, Utah, vegetation surveys, water, water quality, wetlands, wind, Wyoming

Smoke from slash burns in the Cascade Mountains during a 3-day period of stable air conditions at lower elevations in October 1969 added little to existing air pollution in the Willamette Valley, in western Oregon. Aerial observations and weather data analysis determined that…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Mapping, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, Cascades Range, clearcutting, elevation, fire case histories, fire hazard reduction, mountains, national forests, Oregon, pollution, site treatments, slash, smoke behavior, smoke effects, smoke management, temperature, weather observations, wind

This paper reports a detailed laboratory study of two-dimensional starting plumes. From dimensional analysis, equations in a parametric form for the motion of two-dimensional starting plumes are derived. The governing equations are also obtained from an approximate inviscid flow…
Person:
Year: 1970
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: plume, fire plumes, laboratory experiments, buoyant plume, starting plume

This paper presents a vision of the future rooted in consideration of the past 20 years in the smoke and air resource management field. This future is characterized by rapid technological development of computers for computation, communications, and remote sensing capabilities…
Person:
Year: 1987
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Mapping, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: GIS - geographic information system, smoke management

[no description entered]
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fuels, Planning, Prescribed Fire, Weather, Economics
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, grasses, light burning, Oregon, smoke effects, smoke management, surface fires, topography, wind

The present state of knowledge an current research efforts on forest burning and air quality are discussed. Possible air pollution control measures are presented, including meteorological smoke management and fire behavior management. Slash disposal methods other than burning…
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Planning, Prescribed Fire, Weather
Region(s): California, Great Basin, Northwest
Keywords: air quality, carbon dioxide, CO - carbon monoxide, chemical compounds, field experimental fires, forest products, fuel moisture, gases, hydrocarbons, logging, mountains, natural resource legislation, Oregon, particulates, pollution, precipitation, rate of spread, site treatments, slash, smoke management, spot fires, topography, Washington, wind, woody plants

Laboratory experiments were conducted to investigate how both mineral soil and moisture content affect the smoldering combustion in forest duff. Peat was used to represent the fermentation and humus horizons (Oe and Oa soil horizons) of a coniferous forest floor nominally called…
Person:
Year: 1987
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: canopy, combustion, Douglas-fir, jack pine, Pinus banksiana, Pseudotsuga menziesii, surface fire, coniferous forest, duff, Engelmann spruce, fermentation, humus, inorganic content, Larix occidentalis, lightning ignitions, mineral soil, moisture content, peat, Picea engelmannii, root damage, smoke pollution, smoldering, western larch, holdover fires

Major aspects of the circulation through the atmostpheric environment of a number of gaseous nitrogen pollutants have been estimated, including source magnitudes, residual atmospheric concentrations,and scavenging processes. The compounds considered include the major nitrogen…
Person:
Year: 1970
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, chemistry, N - nitrogen, nitrogen fixation, pollution, urban habitats