Skip to main content

Displaying 1 - 25 of 59

Fuel loading and fuel consumption were measured on four prescribed burns with a natural fuel component. These sites were in the Blue Mountains of northeastern Oregon. Emissions were characterized on three of these sites. The fuel consumption was typical of a moderately wet…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: fuel loading, fuel consumption, Blue Mountains, northeastern Oregon, emission factors, CH4 - methane, CO - carbon monoxide, PM2.5, CONSUME, FOFEM - First Order Fire Effects Model, underburn, spring burn, NHMC - non-methane hydrocarbons

[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: education, fire case histories, fire management, Komarek, E.V., Sr., Los Alamos, Mexico, national forests, national parks, New Mexico, public information, smoke management, Tall Timbers Research Station

[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Acer, carbon, combustion, coniferous forests, disturbance, ecosystem dynamics, fire adaptations (plants), fire exclusion, fire frequency, fire management, flammability, forest management, hydrocarbons, litter, Los Alamos, Mexico, needles, New Mexico, nitrogen, nutrient cycling, nutrients, particulates, Pinus flexilis, Pinus ponderosa, Populus, post fire recovery, Pseudotsuga menziesii, Quercus, sampling, scorch, statistical analysis, volatilization, woody fuels, MINERALIZATION PATTERNS, monoterpenes

Fire is a natural phenomenon in Madrean Province ecosystems. Suppression of natural fire has altered ecosystem processes, however. Recognition of these alterations has led to the adoption of let-burn policies by many management agencies, but a let-burn policy has become less…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Planning, Regulations and Legislation, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Great Basin, Southwest
Keywords: aesthetics, Arizona, catastrophic fires, ecosystem dynamics, education, fire hazard reduction, fire management, fire suppression, fuel loading, health factors, herbaceous vegetation, hydrology, liability, lightning caused fires, Madrean habitats, national forests, national parks, plant growth, population density, prescribed fires (chance ignition), private lands, public information, seed production, smoke effects, thinning, water quality, wildfires, wildlife habitat management, natural fire, public safety, public lands, UNINFORMED PUBLIC

Prescribed burning is an effective way of restoring the fire process to ponderosa pine (Pinus ponderosa Dougl. ex Laws.) ecosystems of the Southwest. If used judiciously, fire can provide valuable effects for hazard reduction, natural regeneration, thinning, vegetation…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Southwest
Keywords: Arizona, burning intervals, competition, coniferous forests, ecosystem dynamics, fire frequency, fire hazard reduction, fire management, forest management, fuel management, fuel moisture, humidity, Madrean habitats, nitrogen, organic matter, overstory, pine forests, Pinus ponderosa, population density, post fire recovery, presettlement vegetation, regeneration, season of fire, seedlings, smoke management, soil nutrients, thinning, understory vegetation, volatilization, wind

Fires can produce a wide range of changes in nutrient cycles of forest, shrub, and grassland ecosystems depending on fire severity, fire frequency, vegetation, and climate. These changes can be beneficial when fires increase the availability of plant nutrients, and deleterious…
Person:
Year: 1996
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 temperature, Artemisia, ash, biomass, chaparral, chemistry, coniferous forests, convection, ecosystem dynamics, erosion, fine fuels, fire frequency, fire intensity, forest management, fuel loading, fungi, grasslands, heavy fuels, humidity, Juniperus, litter, low intensity burns, Madrean habitats, microorganisms, mineral soils, mycorrhiza, nitrogen, nutrient cycling, nutrients, organic matter, phosphorus, Pinus edulis, plant nutrients, precipitation, roots, runoff, shrublands, slash, soil erosion, soil leaching, soil organisms, soil permeability, soil temperature, soils, understory vegetation, vegetation surveys, volatilization, wind, FIRE-DOMINATED FOREST ECOSYSTEMS, GLOBAL IMPLICATIONS, NUTRIENT POOLS AND FLUXES, soil biota

Biomass characterization and fire behavior documentation were carried out on two large (>2000 ha) experimental fires conducted in arid savanna fuels in Kruger National Park in September 1992. Prefire fuel loads, fuel consumption, spread rates, flame zone characteristics, and…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): International
Keywords: Africa, backfires, biomass, convection, energy, experimental fires, fire intensity, fire management, fire regimes, flame length, fuel loading, fuel management, fuel moisture, grasses, headfires, humidity, ignition, national parks, particulates, precipitation, rate of spread, sampling, savannas, South Africa, temperature, vegetation surveys, wind

From the text (p.117) ... 'In awe and supplication Mescalero Apache dancers honor flames on their New Mexico reservation. 'Fire is sacred to us,' says one Apache leader. 'It provides warmth, food, protection.' Most Americans, however, fear fire beyond the hearth and for decades…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Rocky Mountain, Southern
Keywords: boreal forests, catastrophic fires, chaparral, coniferous forests, crown fires, duff, ecosystem dynamics, fire case histories, fire dependent species, fire frequency, fire injuries (plants), fire intensity, fire management, fire suppression, Florida, forest management, fuel accumulation, Georgia, grasslands, lightning caused fires, Mexico, military lands, New Mexico, nongame birds, Picoides borealis, Pinus contorta, Pinus palustris, Pinus ponderosa, Pinus taeda, population density, post fire recovery, rate of spread, seed germination, Sequoia, smoke effects, Stoddard, H.L., surface fires, tallgrass prairies, understory vegetation, wetlands, wildfires, wildlife habitat management, Wyoming, Yellowstone National Park

Tropical forest felling can be for the purpose of traditional shifting cultivation, after which forest is re-established, or for permanent land-use change, which is defined as deforestation. Recent decades have seen a dramatic increase in tropical deforestation caused by slash-…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, biomass, boreal forests, carbon, carbon dioxide, dead fuels, deforestation, evapotranspiration, forest management, fossils, fuel accumulation, gases, climate change, grasslands, greenhouse gases, hydrology, land use, overstory, plantations, runoff, slash and burn, soil nutrients, soil organic matter, tropical forests, slash-and-burn, deforestation, carbon balance, climate change, land use

After replacement of tropical primary forests, fire becomes an important management tool. During establishment of plantations with fast-growing tree species and within slash-and-burn agriculture, the export of macronutrients and other elements to the atmosphere by burning was…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk
Region(s): International
Keywords: agriculture, Amazon, ash, Brazil, clearcutting, fire hazard reduction, fire intensity, fire management, forest management, land use, leaching, litter, nutrients, particulates, plantations, precipitation, slash, slash and burn, soil leaching, South America, tropical forests, volatilization, slash burning, nutrient release, humid tropics

Ozone generation is computed in a one-dimensional photochemistry code following convective redistribution of tropical urban effluent into the free troposphere. Simulations are run at several stages of pollutant dilution by surrounding surface air. A threshold boundary layer NOx…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Models
Region(s): International
Keywords: air quality, Amazon, Brazil, convection, forest management, hydrocarbons, ozone, rate of spread, season of fire, smoke behavior, smoke management, South America, storms, tropical forests, wildfires, wind

Wildland fires produce smoke that contributes to reduced visibility over roadways with potentially tragic consequences. Land managers need to reduce this potential hazard. Two indices are described that correlate with conditions associated with roadway hazard. The Dispersion…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: smoke effects, wildfires, air quality, roads, statistical analysis, Alabama, Florida, Georgia, Kentucky, Texas, fire management, land management, smoke management

[no description entered]
Person:
Year: 1996
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: Adenostoma fasciculatum, Africa, Australia, bark, bibliographies, boreal forests, Casuarina, Ceanothus, chaparral, chemistry, coniferous forests, distribution, Emmenanthe penduliflora, fire dependent species, fire regimes, fynbos, grasses, Hakea, heathlands, Leucadendron, Mediterranean habitats, Pinus attenuata, Pinus banksiana, Pinus contorta, plant growth, population ecology, post fire recovery, Protea, reproduction, roots, seed dormancy, seed germination, seedlings, Sequoia sempervirens, serotiny, shrublands, small mammals, smoke effects, South Africa, sprouting, tropical forests, vulnerable species or communities, Widdringtonia

The accuracy with which park managers can predict the behavior, spread, and effects of individual fires will be increasingly critical to decisions on when and where to burn. Models to predict fuel accumulation and consumption, fire spread, smoke production, and the effects of…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Hazard and Risk, Mapping, Models, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Southwest
Keywords: air quality, Arizona, coniferous forests, dendrochronology, distribution, ecosystem dynamics, education, fire frequency, fire hazard reduction, fire regimes, fire suppression, forest management, fuel accumulation, fuel loading, lightning caused fires, national parks, Nevada, prescribed fires (chance ignition), public information, reproduction, Sequoiadendron giganteum , Sierra Nevada, succession

[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Aquatic, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Planning, Prescribed Fire
Region(s): International
Keywords: Africa, air quality, Argentina, Asia, bibliographies, biogeochemical cycles, biogeography, biomass, Brazil, Canada, crown fires, distribution, ecosystem dynamics, Europe, grasslands, India, Indonesia, Mediterranean habitats, Nepal, Philippines, pine forests, Pinus ponderosa, plantations, savannas, sedimentation, tropical forests, Vietnam, wildfires

From the text...'This conceptual guide, Land Management Considerations in Fire-Adapted Ecosystems, provides baseline information for addressing fire management considerations in the Information/Assessment Phase of land management planning. The fire-related considerations are: 1…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Hazard and Risk, Intelligence, Outreach, Planning, Prescribed Fire, Social Science
Region(s): Southern, International
Keywords: catastrophic fires, distribution, disturbance, ecosystem dynamics, education, fire adaptations, fire exclusion, fire frequency, fire intensity, fire management, fire regimes, fire suppression, land management, landscape ecology, national forests, pine forests, Pinus echinata, Pinus elliottii, Pinus monticola, Pinus palustris, Pinus ponderosa, Pinus strobus, public information, smoke management, succession, surface fires, wilderness areas, wilderness fire management, wildfires

From the text...'When managing longleaf pine ecosystems it is not a question of whether or not to use fire, but rather what frequency, season and intensity is needed to achieve specific objectives. Longleaf ecosystems evolved under a chronic fire regime and thus the continual…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Regulations and Legislation, Safety
Region(s): Southern
Keywords: Aristida stricta, burning intervals, crown scorch, fire management, fungi, headfires, longleaf pine, mopping up, natural resource legislation, overstory, Pinus palustris, plant diseases, plant growth, public information, roads, sandhills, season of fire, smoke management, threatened and endangered species (plants), wetlands

Fires can mobilize radionuclides from contaminated biomass through suspension of gases and particles in the atmosphere or solubilization and enrichment of the ash. Field and laboratory burns were conducted to determine the fate of I, Cs and C1 in biomass fires. Straw, wood, peat…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, ash, biomass, Canada, chemical elements, chlorine, coniferous forests, cropland fires, fire management, fuel loading, fuel types, gases, laboratory fires, land management, peat, peat fires, pesticides, Pinus banksiana, Populus tremuloides, temperature, wildfires, wood, wood chemistry

Experimental studies and mesoscale modeling of atmospheric chemistry require a good knowledge of the sources of the atmospheric constituent, at a temporal scale of about one hour and at a spatial scale corresponding to the model grid. A combined remote sensing/modeling approach…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: aerosols, Africa, air quality, biomass, chemical elements, chemistry, distribution, fire frequency, fuel appraisal, gases, climate change, ignition, land management, rate of spread, remote sensing, savannas, season of fire, shrublands, statistical analysis

Abundant charcoal in forest soils gives evidence of prehistoric and historic natural and anthropogenic wildfires in perhumid lowland and in seasonal Dipterocarp forest types of continental and insular South Asia. Favorable conditions for the occurrence of historic and…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Fire Behavior, Fire Effects, Weather, Emissions and Smoke
Region(s): International
Keywords: aborigines, agriculture, Asia, biomass, Borneo, charcoal, chemical elements, chemistry, Dipterocarpus, droughts, ENSO, fire intensity, fire regimes, forest management, forest types, human caused fires, soils, tropical forests, wildfires, wood chemistry

Drought indexes are not designed to measure fuel moistures, rather they indicate environmental conditions that affect fuel profiles. Management should consider that the mid-to upper-600 range is the limit of acceptability for igniting prescribed fires of any type unless specific…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): Southern
Keywords: droughts, duff, fire danger rating, fire hazard reduction, fire intensity, fire management, fire suppression, fuel appraisal, fuel moisture, litter, moisture, pine forests, precipitation, season of fire, smoke management, soil organic matter, soils, understory vegetation

Sclerotia of Claviceps purpurea were collected from Kentucky bluegrass (Poa pratenris) seed fields and exposed to various temperature regimes in a kiln. Sclerotia lost their ability to germinate when exposed to 200oC for 116 s, 300oC for 48 s, or 400oC for 15 s. Exposures of 240…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): Great Basin, Northwest, Southern
Keywords: agriculture, Claviceps purpurea, fire intensity, fungi, germination, grasslands, human caused fires, hydrocarbons, Kentucky, land management, Oregon, plant diseases, plant growth, Poa, Poa pratensis, seed germination, smoke effects, soil temperature, statistical analysis, temperature, Washington, weeds

From the Overwiew...'VSMOKE is primarily a tool for analyzing the effects of a single prescribed fire. Using an emissions source geometrically configured to match that presented to the atmosphere by a prescribed fire, the program estimates smoke concentrations and crossplume…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): Eastern, Southern
Keywords: air quality, coastal plain, computer programs, croplands, fire management, Florida, humidity, liability, particulates, roads, smoke behavior, smoke effects, smoke management, statistical analysis, weather observations, wildfires, wind

From the Introduction...'Fire management's integration into land management planning is critical to the successful management of nearly all wildland ecosystems, including westside forests, which lie west of the Cascade crest in Oregon and the northern coastal ranges in…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fire History, Fuels, Hazard and Risk, Models, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation
Region(s): California, Great Basin, Northwest
Keywords: air quality, ecosystem dynamics, environmental impact statements, fire exclusion, fire hazard reduction, fire management, fire regimes, fire suppression, histories, land management, multiple resource management, Oregon, smoke management, species diversity (animals), species diversity (plants), succession, threatened and endangered species (animals), US Forest Service, watershed management, wilderness areas, wilderness fire management

From the text...'Elimination of the historic pattern of frequent low-intensity fires in ponderosa pine and pine-mixed conifer forests has resulted in major ecological disruptions. Prior to 1900, open stands of large, long-lived, fire-resistant ponderosa pine were typical. These…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Fuels, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Northern Rockies
Keywords: adaptation, coniferous forests, cover, cutting, ecosystem dynamics, fire dependent species, fire exclusion, fire frequency, fire regimes, fire resistant plants, fuel management, low intensity burns, Montana, national forests, pine forests, Pinus ponderosa, rural communities, smoke management, trees, wildfires