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Savannas are a major terrestrial biome, comprising of grasses with the C4 photosynthetic pathway and trees with the C3 type. This mixed grass-tree biome rapidly appeared on the ecological stage 8 million years ago with the near-synchronous expansion of C4 grasses around the…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, C - carbon, CO2 - carbon dioxide, cover, droughts, ecosystem dynamics, fire frequency, fire management, flammability, grasses, grasslands, land use, mortality, photosynthesis, plant growth, regeneration, savannas, trees, wildfires, C4 photosynthesis, cloud physics, feedbacks, systems analysis

CO2 efflux from tropical peat swamp substrates was measured under three different land uses (selectively logged forest, recently burned and cleared forest, and agriculture) in Jambi Province, eastern Sumatra over a six-month period that incorporated parts of both the major wet…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Intelligence, Mapping, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, carbon dioxide, clearcutting, fire management, climate change, Indonesia, land use, logging, peat, peatlands, remote sensing, soil management, soil temperature, soils, Sumatra, temperature, tropical regions, wildfires, greenhouse gas emissions, forest fires, tropical soil respiration

Several studies have documented potential health effects due to agricultural burning smoke. However, there is a paucity of literature characterizing community residents' exposure to agricultural burning smoke. This study assesses personal exposures to particulate matter (PM)…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Models, Wildland-Urban Interface (WUI)
Region(s): Great Basin, Northwest
Keywords: agriculture, biomass, biomass burning, cropland fires, fire management, forest management, health factors, season of fire, smoke effects, smoke management, statistical analysis, Washington, biomass burning, smoke impact, personal exposure, random component superposition model, recursive model, spatial variation

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Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerosols, air quality, Canada, fire management, Quebec, smoke effects, smoke management, statistical analysis, wildfires, forest fire, aerosol optical depth, Angstrom exponent

Fire is one of the key disturbances affecting aspen (Populus tremuloides Michx.) forest ecosystems within western Canadian wildlands, including Elk Island National Park. Prescribed fire use is a tool available to modify aspen forests, yet clearly understanding its potential…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Alberta, boreal forests, Canada, disturbance, droughts, duff, experimental fires, fire management, forest management, fuel moisture, ground cover, ground fires, hardwood forests, ignition, moisture, national parks, plant communities, Populus, Populus tremuloides, precipitation, soil moisture, statistical analysis, fuels management, ground fire ignition potential, aspen, Populus tremuloides, DMC - CFFDRS Duff Moisture Code, drought code, FWI - Canadian Forest Fire Weather Index System

A year-long sampling and analysis of 24 h airborne particles equal to or less than 10 mm (
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, chemistry, diseases, fire frequency, fire intensity, humidity, hydrocarbons, Mexico, Mexico City, organic matter, particulates, pollution, sampling, season of fire, smoke management

Federal fuels managers are increasingly using prescribed fire to decrease hazardous fuels and risks to resources in wildland and urban settings. Two factors have become apparent throughout the last several years: prescribed burning costs are rising, and costs exhibit substantial…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Northwest
Keywords: broadcast burning, computer programs, coniferous forests, elevation, fire hazard reduction, fire management, fire regimes, fire suppression, forest management, fuel accumulation, fuel management, grasslands, Great Plains, land management, Oregon, season of fire, sloping terrain, statistical analysis, thinning, topography, Washington, wildfires, cost structure

The past decade has seen an increasing interest in forest management based on historical or natural disturbance dynamics. The rationale is that management that favours landscape compositions and stand structures similar to those found historically should also maintain…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire History, Fire Occurrence, Fire Prevention
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: age classes, Canada, carbon dioxide, coniferous forests, distribution, disturbance, fire frequency, fire management, fire regimes, fire suppression, forest management, logging, old growth forests, Quebec, species diversity (plants), statistical analysis, wildfires

From the text ... 'A coordinated, interagency effort is required to ensure that fire use programs are implemented in a professional and competent manner.... Fire management is as much a philosophy and attitude toward the land as it is an action program.'
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Effects, Intelligence, Outreach, Planning, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire management, land management, public information, smoke management, wildfires

From the text ... 'Early prescribed natural fire efforts were tacitly supported, limited in extent, and carried out under close scrutiny.... Wildland fire use has moved beyond the confines of remote, inaccessible areas. It is expanding across an increasing variety of land use…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Hazard and Risk, Planning, Prescribed Fire, Restoration and Rehabilitation, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire control, fire hazard reduction, fire management, fire size, fire suppression, firefighting personnel, forest management, invasive species, land use, national parks, post fire recovery, prescribed fires (chance ignition), private lands, public information, smoke management, wildfires

From the text ... 'Before lighting a prescribed fire on the Okanogan and Wenatchee National Forests, fire managers rely on Tom Robison to check air quality in several of the nearby small towns. Using data from a network of real-time smoke monitors, Robison helps fire managers…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, 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, computer programs, fire management, forest management, Montana, national forests, particulates, smoke behavior, smoke management, telemetry, Washington, wildfires

From the text ... 'To mitigate and reduce downstream smoke complaints, clients in the Pacific Northwest and elsewhere have used BlueSky and BlueSky-RAINS on prescribed burns for go/no-go decisions and timing.... Failure to meet air quality obligations can lead to more stringent…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, BlueSky, Fire Consortia for the Advanced Modeling of Meteorology and Smoke (FCAMMS), fire management, forest management, fuel management, GIS, smoke behavior, smoke management, wind

From the text ... 'We ensured that the New Mexico State air quality coordinator and the Southwest Coordination Center knew that the smoke predictions were posted on a publicly available Website.... The year 2003 saw record-high energy release component values in much of the…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Arizona, BlueSky, energy, fire danger rating, fire management, fire suppression, forest management, Idaho, Mexico, Montana, National Fire Plan, New Mexico, smoke management, wildfires

From the text ... 'BlueSky accurately predicted a smoke event into central Washington's Wenatchee-Leavenworth area that was confirmed by verbal reports and data from particulate monitors.... Fine particulates in smoke from wildland fires can cause significant health problems for…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Models, Regulations and Legislation
Region(s): Great Basin, Northwest
Keywords: air quality, BlueSky, fire danger rating, fire management, fire suppression, forest management, health factors, Healthy Forests Restoration Act, National Fire Plan, national forests, particulates, rate of spread, smoke effects, smoke management, Washington, wildfires

From the text ... 'This issue of Fire Management Today highlights the expanding science of smoke issues and air quality. From the discussion of Web-based tools that predict how much smoke might come from that fire and where it might go, to the growing array of monitoring…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Prescribed Fire, Restoration and Rehabilitation, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, catastrophic fires, fire management, fuel management, smoke management, wildfires

From the text.... 'The Apache National Forest, like many southwestern forests situated on the Colorado Plateau, has significant fuel hazard problems.... Our objective is to compile a catalog of proven prescriptions to burn any given site in the pine type.... It is important to…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Colorado, coniferous forests, diameter classes, duff, fire control, fire management, firefighting personnel, firing techniques, forest management, fuel accumulation, fuel loading, fuel moisture, humidity, ignition, mortality, national forests, scorch, season of fire, slash, sloping terrain, smoke management, temperature, thinning, wind

Except in remote areas, most prescribed fires will have some effect on members of the public. It is therefore important for land managers to work with the public before, during, and after a prescribed burn. To do this effectively, managers need to have an accurate idea of what…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: education, fire control, fire management, National Fire Plan, Native Americans, public information, smoke management, urban habitats

Visibility impairment from regional haze is a significant problem throughout the continental United States. A substantial portion of regional haze is produced by smoke from prescribed and wildland fires. Here we describe the integration of four simulation models, an array of GIS…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Mapping, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, distribution, ENSO, fire danger rating, fire frequency, fire intensity, fire management, fire regimes, fire size, flammability, GIS, Idaho, ignition, Michigan, national parks, Oregon, smoke behavior, smoke management, statistical analysis, Washington, wilderness areas, wildfires, Wyoming, regional haze, integrated models, fire regimes, smoke dispersion

Results from two independently developed biomass-burning smoke plume models are compared. Model results were obtained for the temporal evolution of two nascent smoke plumes originating from significantly different fire environments (an Alaskan boreal forest and an African…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, Great Basin, Northwest, International
Keywords: Africa, air quality, biomass, boreal forests, coniferous forests, evolution, fire management, gases, human caused fires, lightning caused fires, mosaic, ozone, savannas, season of fire, smoke behavior, smoke management, South Africa, statistical analysis, wildfires, biomass burning, computational modeling, intercomparison, tropospheric chemistry

Before using a fluid dynamics physically based wildfire model to study wildfire, validation is necessary and model results need to be systematically and objectively analyzed and compared to real fires, which requires suitable data sets. Observational data from the Meteotron…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire plumes, FDS - Fire Dynamics Simulator, Clark coupled model, Meteotron experiment , fire management, fire models, statistical analysis, temperature

Fluxes of water vapor, heat, and carbon dioxide associated with a prescribed grass fire were documented quantitatively using a 43-m instrumented flux tower within the burn perimeter and a tethered balloon sounding system immediately downwind of the fire. The measurements…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: grass fire, heat, smoke measurements, CO2 flux, water vapor

The Research and Development (R&D) arm of the U.S. Department of Agriculture (USDA) Forest Service works at the forefront of science to improve the health and use of our Nation's forests and grasslands. Research has been part of the Forest Service mission since the agency's…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Outreach, Prescribed Fire, Restoration and Rehabilitation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Forest Service, research, research accomplishment report

Participants in a series of focus groups discussed how their tolerance for smoke varied by the source of the smoke and found their opinions changing as they talked with other participants. Even those opposed to smoke from agricultural burning eventually found smoke from…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Fuels, Prescribed Fire, Social Science, Wildland-Urban Interface (WUI)
Region(s): Northern Rockies, Northwest
Keywords: defensible space, education, social acceptance, wildfire management, focus groups, fuels treatments

An iterative method for determining slope in noisy lidar data is considered based on the use of a corrected ('shaped') inverted function and an assumed behavior of the unknown function of interest (an 'image function'). The method is utilized for extracting extinction-…
Person:
Year: 2006
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, National
Keywords: LiDAR - Light Detection and Ranging, extinction coefficient, elastic scanning lidar

The morphology of particles emitted by wildland fires contributes to their physical and chemical properties but is rarely determined. As part of a study at the USFS Fire Sciences Laboratory (FSL) investigating properties of particulate matter emitted by fires, we studied the…
Person:
Year: 2006
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: particle size, biomass burning, particle morphology, particle microstructure