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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

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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

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 ... '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 ... '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

Unusual air pollution episodes, such as when smoke from wildfires covers a large urban area, can be used to attempt to detect associations between short-term increases in particulate matter (PM) concentrations and subsequent mortality without relying on the sophisticated…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Models
Region(s): Rocky Mountain
Keywords: aerosols, CO - carbon monoxide, Colorado, cover, health factors, mortality, particulates, pollution, smoke effects, wildfires, wind, air pollution, mortality, particulate matter, forest fires, cardiovascular disease

Atmospheric concentrations of elemental mercury (Hg0), reactive gaseous Hg (RGM), and particulate Hg (pHg) concentrations were measured in Yellowstone National Park (YNP), U.S.A. using high resolution, real time atmospheric mercury analyzers (Tekran 2537A, 1130, and 1135). A…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Rocky Mountain
Keywords: aerosols, air quality, fire management, gases, Hg - mercury, particulates, sampling, smoke effects, smoke management, soils, wildfires, Wyoming, Yellowstone National Park, aerosol particles, aerosol time-of-flight mass spectrometer (ATOFMS), wild fires, reactive gaseous mercury, particulate mercury, geothermal features

Bushfires can cause widespread air pollution through the emission of high levels of toxic air contaminants that affect the health of surrounding communities. This review of studies that have evaluated the health impacts of bushfires in North America, Australia and South-East…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): California, Great Basin, Rocky Mountain, International
Keywords: air quality, Alberta, Asia, Australia, brush fires, Canada, CO - carbon monoxide, Colorado, diseases, fire management, fire size, health factors, mortality, particulates, pollution, smoke effects, smoke management, Southeast Asia, toxicity, wildfires, atmospheric chemistry, bushfire, community health, particles, toxins

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

During 2005, the USDA Forest Service celebrated its Centennial, recognizing 100 years of successfully caring for the land and serving people. The Rocky Mountain Research Station has been, and continues to be, an integral part of the Forest Service mission, dating back to the…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: Forest Service, research, Rocky Mountain Research Station

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

Over the last several decades, the overall air quality goal in the United States has been to protect public health and clear skies by reducing emissions. At the same time, however, the risk of catastrophic fire has been rising in forests around the country as overly dense trees…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Planning, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, BlueSky Modeling Framework, smoke concentration, smoke effects, smoke management, smoke estimation tools, smoke forecasting

Fires contribute substantial emissions of trace gases and particles to the atmosphere. These emissions can impact air quality and even climate. We have developed a modeling framework to estimate the emissions from fires in North and parts of Central America (10-71 degrees N and…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Communications, Emissions and Smoke, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, emissions, FERA - Fire and Environmental Research Applications Team, North America, PM - particulate matter, Mexico, agriculture, agricultural fires, CO - carbon monoxide, South America, air quality, biomass, C - carbon, cover, croplands, duff, fire management, fuel loading, gases, grasslands, herbaceous vegetation, overstory, particulates, precipitation, remote sensing, shrubs, smoke management, statistical analysis, wetlands, wildfires