Type
Topic
Region
Year
Displaying 101 - 125 of 252
In 1985, Yosemite began using a geographic information system for fire management and research. The system has been used to compare historic fire incidence over a range of topography and vegetation types. Parkwide fuel inventories and prescribed burn units have also been…
Person:
Year: 1991
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Mapping, Models, Planning, Prescribed Fire, Weather
Region(s): California
Keywords: BEHAVE, fire management, GIS - geographic information system, Yosemite National Park, research, Abies magnifica, chaparral, climatology, computer program, coniferous forests, fire frequency, fire growth, fire regimes, fire suppression, forest management, fuel accumulation, fuel inventory, fuel moisture, lightning, lightning caused fires, moisture, national parks, pine forests, Pinus ponderosa, ponderosa pine, Pinus contorta, lodgepole pine, radiation, rate of spread, statistical analysis, subalpine forests, temperature, topography, vegetation surveys, wind
We used a ground-based approach to compute the pyrogenic carbon emissions from the Biscuit Fire, an exceptionally large wildfire, which in 2002 burned over 200,000 ha of mixed conifer forest in southwestern Oregon. A combination of federal inventory data and supplementary ground…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Northwest
Keywords: carbon pool, fire, carbon emissions, Oregon
Prescribed fire is a tool used to manage vegetation in southern California. The nature and quantity of gaseous and particulate emissions have not been described for California chaparral. A study examining carbon monoxide (CO), carbon dioxide (CO2), and particulate matter…
Person:
Year: 1991
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: chaparral, Adenostoma fasciculatum, Ceanothus crassifolius, Quercus dumosa, Arctostaphylos glandulosa, air quality, carbon dioxide, CO - carbon monoxide, combustion, experimental fire, fire management, firing techniques, gases, ignition, live fuels, moisture, particulates, Quercus dumosa, range management, scrub, season of fire, shrubs
In a burn of 5-year-old secondary forest cleared for agriculture in Roraima, Brazil, carbon partitioning was measured for above-ground portions of both secondary forest (regrowth) and the remains of original forest, felled and burned six years previously. Above-ground dry weight…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire, Restoration and Rehabilitation
Region(s): International
Keywords: charcoal, agriculture, deforestation, global warming, Brazil, biomass burning, greenhouse gas, secondary forests, carbon dioxide, axis, biomass, broadcast burning, C - carbon, CO2 - carbon dioxide, cutting, diameter classes, fire management, forest management, climate change, litter, palms, post-fire recovery, sampling, second growth forests, tropical forest, vines
The current paper analysis the potential for prescribed burning techniques for mitigating carbon dioxide (CO2) emissions from forest fires and attempts to show quantitatively that it can be a means of achieving a net reduction of carbon emissions in the context of the Kyoto…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: fire management, carbon dioxide emissions, Europe, Kyoto Protocol, mitigation
Fire is the dominant disturbance in forest ecosystems across Canada and Alaska, and has important implications for forest ecosystems, terrestrial carbon dioxide emissions and the forestry industry. Large fire activity had increased in Canadian and Alaskan forests during the last…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Hazard and Risk, Models, Weather
Region(s): Alaska, International
Keywords: boreal forest, Canada, fire, drought, carbon dioxide, computer program, disturbance, ecosystem dynamics, fire danger rating, fire frequency, fire management, fire regimes, fire size, flammability, forest management, moisture, season of fire, wildfires
This action finalizes a rule to govern the review and handling of air quality monitoring data influenced by exceptional events. Exceptional events are events for which the normal planning and regulatory process established by the Clean Air Act (CAA) is not appropriate. In this…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, PM2.5, air pollution, Clean Air Act, PM10, wildland fires
n this chapter we describe the results of airborne studies of smokes from 17 biomass fuel fires, including 14 prescribed fires and 3 wildfires, burned primarily in the temperate zone of North America between 34° and 49°N latitude. The prescribed fires were in forested lands…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: North America, trace gases, smoke particulates, biomass fires
The main purpose of this paper is to present a fire behaviour system, developed to estimate fire progression, smoke dispersion and visibility impairment, at a local scale, and to evaluate its performance by comparing results with measurements from the Gestosa 2004 experimental…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): International
Keywords: pollutant concentrations, smoke dispersion, Portugal, DISPERFIRE, FireStation
We describe emission-transmission measurements performed at different heights in a flame from a cylindrical forest fuel burner, using a camera operating in the thermal infrared (7.5-13 µm). The forest fuel burner was made of a cylindrical wire mesh basket filled with a forest…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: Mediterranean, radiation, soot, forest fires, Pinus pinaster, IR thermography
Historical evidence suggests that great wildfires burning in the Lake States and Canada can affect atmospheric conditions several hundred miles away (Smith 1950; Wexler 1950). Several 'dark' or 'yellow' days, as such events are commonly called, have been recorded, often with…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Intelligence, Models
Region(s): Eastern
Keywords: fire scars, wildfires, New England, dendrochronology, fire case histories, drought, fire injuries (plants), fire management, Pinus resinosa, precipitation, smoke management, wildfires
Australia is among the most fire-prone of continents. While national fire management policy is focused on irregular and comparatively smaller fires in densely settled southern Australia, this comprehensive assessment of continental-scale fire patterning (1997-2005) derived from…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire
Region(s): International
Keywords: remote sensing, AVHRR - Advanced Very High Resolution Radiometer, fire mapping, greenhouse gas emissions, satellite imagery, Australia, biomass burning, savanna burning, aborigines, air quality, biomass, broadcast burning, distribution, elevation, fire size, fire management, fire frequency, forest management, fuel types, climate change, grasslands, human caused fires, ignition, land use, lightning, lightning caused fires, precipitation, savannas, shrublands, vegetation surveys
The efficiency of fuel breaks installed in wildland-urban interfaces to reduce fire hazard depends strongly on the conditions of spread (rate of spread, flame height) of a surface fire through the shrub on the ground and also on the possibility of a transition for this fire from…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Hazard and Risk, Models, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: Mediterranean shrublands, physical models, wildfire modeling, Brachypodium ramosum, Brachypodium spp., crown fires, decomposition, energy, Europe, fire hazard, fire hazard reduction, fire management, flame length, France, fuel breaks, fuel loading, fuel management, heat, ignition, Mediterranean habitats, overstory, Pinus spp., Pinus halepensis, Quercus spp., Quercus coccifera , radiation, rate of spread, shrublands, soot, statistical analysis, surface fires, surface fuels, temperature, trees, understory vegetation, wildfires, wind
The research and development (R&D) arm of the Forest Service, U. S. Department of Agriculture (USDA), with approximately 550 researchers in a range of biological, physical, and social science fields, seeks to better understand and describe the complex mechanisms at work in…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, 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
This conference was attended by nearly 450 Forest Service earth scientists representing hydrology, soil science, geology, and air. In addition to active members of the earth science professions, many retired scientists also attended and participated. These 60 peer-reviewed…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Communications, Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Outreach, Prescribed Fire, Restoration and Rehabilitation, Aquatic
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conferences, earth sciences
The Rocky Mountain Research Station has a long and celebrated legacy of conducting relevant natural resources research throughout the Interior West and beyond. Land managers and planners regularly rely upon our science to help make wise resource decisions. Our niche among…
Person:
Year: 2007
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
The International Association of Wildland Fire sponsored the second Fire Behavior and Fuels conference in Destin, Florida. The conference theme was 'Fire Environment--Innovations, Management, and Policy.' Over 450 attendees participated in presentations on the latest innovations…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Administration, Communications, Emissions and Smoke, Fire Ecology, Fuels, Intelligence, Outreach, Planning, Regulations and Legislation, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: JFSP - Joint Fire Science Program, policy, science, wildland fire management, IAWF - International Association of Wildland Fire
Predictions of smoke impacts on communities and ecosystems are currently being made by the BlueSky smoke forecast system; providing real-time predictions of surface smoke concentrations from prescribed fire, wildfire, and agricultural burn activities. Currently operational in…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Planning
Region(s): Northwest
Keywords: air quality, BlueSky Modeling Framework, smoke impacts, smoke modeling
Due to the increasing concern about global climate change and the realization that biomass fires are a significant source of CO2, CH4, and other greenhouse gases, there is a need to quantify the emissions of these gases from biomass fires. The emissions from a wide variety of…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CO - carbon monoxide, hydrocarbons, biomass fires
Planning prescribed fires for optimal periods which results in emissions reduction is an extremely useful air quality management technique. New information suggests that one more useful tool in smoke management may involve using the capacity of the atmosphere to remove smoke…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Unknown
Keywords: air quality, emission reduction, smoke management, biomass burning, cloud scavenging
Emissions of trace gases and particulate matter from burning of biomass are generally factored into global climate models. Models for improving the estimates of the global annual release of emissions from biomass fires are presented. Estimates of total biomass consumed on a…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): California, Northwest
Keywords: PM - particulate matter, trace gas emissions, biomass burning, atmospheric chemistry
Agricultural practices and land use modification were estimated to produce 14% and 9%, respectively, of the total greenhouse gas emissions contributing to global warming in the decade preceding 1990 (Marshall, 1989). Carbon release rates from tropical forest conversion have been…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: laboratory fires, wind tunnel, gaseous emissions, biomass burning
This work introduces remote sensing of biomass burning emissions using high-resolution Fourier transform infrared (FTIR) absorption spectroscopy over open paths in smoke plumes from biomass fires. There are several advantages to this type of smoke composition measurement, which…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Northern Rockies, Rocky Mountain
Keywords: remote sensing, biomass emissions, smoke measurements, biomass burning, smoke plumes, FTIR - Fourier transform infrared absorption spectroscopy
The present volume discusses the biomass burning (BMB) studies of the International Global Atmospheric Chemistry project, GEO satellite estimation of Amazonian BMB, remote sensing of BMB in West Africa with NOAA-AVHRR, an orbital view of the great Chinese fire of 1987, BMB's…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: air pollution, deforestation, global warming, ozone, forest fires, global, atmospheric chemistry, fuel combustion
Fires emit significant amounts of CO2 to the atmosphere. These emissions, however, are highly variable in both space and time. Additionally, CO2 emissions estimates from fires are very uncertain. The combination of high spatial and temporal variability and substantial…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: carbon flux, carbon dioxide emissions, fire emissions, NPP - net primary production