Skip to main content

Displaying 1 - 25 of 28

Background: The record number of wildfires in the United States in recent years has led to an increased focus on developing tools to accurately forecast their impacts at high spatial and temporal resolutions. Aims: The Warn-on-Forecast System for Smoke (WoFS-Smoke) was developed…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: data assimilation, ensemble, GOES-R, NWP - numerical weather prediction, probabilistic forecasting, smoke forecasting, weather radar, wildfires, Colorado, Texas, Oklahoma, Arkansas

Global climate change and extreme weather has a profound impact on wildfire, and it is of great importance to explore wildfire patterns in the context of global climate change for wildfire prevention and management. In this paper, a wildfire spatial prediction model based on…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Occurrence, Fire Prevention, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire management, GFED - Global Fire Emissions Database, convolutional neural network, area burned

Rationale: Wildfires are increasing in intensity, duration, and frequency with smoke plums affecting the lives of millions over large geographic areas. The immune modulatory effects of wildfire smoke are unclear. We previously showed that a major wildfire smoke component, ozone…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: COVID-19, public health, air quality

Starting from point sources, wildfire smoke is important in the global aerosol system. The ability to characterize smoke near-source is key to modeling smoke dispersion and predicting air quality. With hemispheric views and 10-min refresh, imagers in Geostationary (GEO) orbit…
Person:
Year: 2024
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: remote sensing, air quality, smoke dispersion, MAS (MODIS Airborne Simulator), FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality

The vertical distribution of biomass burning aerosol (BBA) is important in regulating their impacts on weather and climate. The plume-rise process affects the injection height of BBA and interacts with the air parcel lifting and cloud processes. However, these processes are not…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: E3SM - Energy Exascale Earth System Model, aerosol radiative effects, fire plumes, fire size

[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

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

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

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

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 is the single most important ecological disturbance process throughout the interior Pacific Northwest (Mutch and others 1993; Agee 1994). It is also a natural process that helps maintain a diverse ecological landscape. Fire suppression and timber…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Fire Prevention, Fuels, Intelligence, Mapping, Models, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies lasiocarpa, air quality, coniferous forests, dead fuels, disturbance, ecosystem dynamics, education, environmental impact analysis, fire frequency, fire suppression, fuel accumulation, fuel loading, fuel management, fuel types, GIS, health factors, histories, Idaho, land management, land use, Larix lyallii, logging, Montana, natural resource legislation, Nevada, Oregon, Picea engelmannii, pine forests, Pinus albicaulis, public information, site treatments, smoke behavior, smoke management, succession, Utah, Washington, watershed management, watersheds, wilderness fire management, wildfires

A large eddy simulation (LES) model of smoke plumes generated by large outdoor pool fires is presented. The plume is described in terms of steady-state convective transport by a uniform ambient wind of heated gases and particulate matter introduced into a stably stratified…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: crude oil, smoke plume, buoyant plume, large eddy simulation, in situ burning

This paper's title - "Can we restore the fire process? What awaits us if we don't?" - represents an ecologist's view of the world. I submit that this view is unrealistic. The first clause uses the term "restore" which implies reestablishing the fire process of the past. The…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire regimes, air quality, biomass, clearcutting, combustion, ecosystem dynamics, energy, fertilizers, fire adaptations, fire frequency, fire management planning, land use, multiple resource management, N - nitrogen, regeneration, temperature, wildfires

Several smoke-dispersion models, which currently are available for modeling smoke from biomass burns, were evaluated for ease of use, availability of input data, and output data format. The input and output components of all models are listed, and differences in model physics…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire, biomass burning, dispersion, FERA - Fire and Environmental Research Applications Team

This is a user's manual for VSMOKE, a computer program for predicting the smoke and dry weather visibility impact of a single prescribed fire at several downwind locations. VSMOKE is a FORTRAN 77 program that depends on the input in file VSMOKE.IPT to generate output in file…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer models, visibility, VSMOKE

We begin our study of wildland fire with the basic principles and mechanisms of the combustion process-fire fundamentals. In the next chapter we look at wildland fire as an event. Fire behavior is what a fire does, the dynamics of the fire event. In later chapters we move up the…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: BEHAVE, fire intensity, fire weather, fuel load, fuel moisture, atmospheric stability, drought, extreme fire behavior, fire environment, fire growth, fire spread, fuel classification, wind

The Atmospheric Boundary Layer (ABL) is the lowest portion of the Earth's atmosphere which is affected significantly by the properties of the Earth's (land or ocean) surface. The ABL may show a large daily variation in wind, temperature, and stability or turbulence. The ABL is…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: atmospheric boundary layer

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: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Planning, Prescribed Fire, Safety, Weather
Region(s): Southern
Keywords: LVORI - Low Visibility Occurrence Risk Index, DI - Dispersion Index

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, C - 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

[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, C - 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, N - 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