Type
Topic
Region
Year
Displaying 451 - 475 of 5836
In this report we analyze airborne measurements to suggest that methanol in biomass burning smoke is lost heterogeneously in clouds. When a smoke plume intersected a cumulus cloud during the SAFARI 2000 field project, the observed methanol gas phase concentration rapidly…
Person:
Year: 2004
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: biomass burning, clouds
Description not entered.
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: pollution, satellite data, Siberia
The Environmental Consequences Team is developing an information delivery system about potential environmental consequences of fuel treatment activities. Broadly, these activities include thinning and burning, and associated work. The environmental consequences of these…
Person:
Year: 2003
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Fuels, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuel treatments, thinning, burning, air quality, ecology, environmental impact analysis, fire hazard reduction, fire management, fuel management, JFSP - Joint Fire Science Program, water
Atmospheric deposition is the result of air pollution gases and aerosols leaving the atmosphere as 'dry' or 'wet' deposition. Little is known about just how much pollution is deposited onto soils, lakes and streams. To determine the extent and trends of forest exposure to air…
Person:
Year: 2000
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Rocky Mountain
Keywords: nitrogen deposition, air resource management, sulfur deposition, wet deposition, dry deposition, atmospheric deposition, NADP/NTN, CASTNET, IMPROVE
Understanding the trade-offs between short-term and long-term consequences of fire impacts on ecosystems is needed before a comprehensive fuels management program can be implemented nationally. We are evaluating 3 potential trade-off models at 8 locations in major U.S. fuel…
Person:
Year: 2003
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Models, Prescribed Fire
Region(s): Northern Rockies
Keywords: FETM - Fire Effects Tradeoff Model, fuel treatments, SIMPPLLE - SIMulating Vegetative Patterns and Processes at Landscape scaLEs, VDDT - Vegetation Dynamics Development Tool, landscape modeling, Montana, MAGIS - Multi-resource Analysis and Geographic Information System, Bitterroot National Forest, LANDSUM - LANDscape SUccession Model, air quality, bibliographies, coniferous forests, ecosystem dynamics, fire frequency, fire intensity, fire size, fire management, fuel management, insects, landscape ecology, logging, national forests, pine forests, plant diseases, Pinus ponderosa, ponderosa pine, plant diseases, private lands, rate of spread, Douglas-fir, Pseudotsuga menziesii, regeneration, reproduction, Selway-Bitterroot Wilderness, shelterwood, size classes, smoke behavior, succession, topography, vegetation surveys, wildfires
To assess public attitudes and values regarding fires and fire management, a telephone survey was conducted of California residents. Most respondents were concerned about wildland and wilderness fires. The greatest percentage agreed that 'we probably have to let some fires burn…
Person:
Year: 2003
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Intelligence, Outreach, Regulations and Legislation, Social Science
Region(s): California
Keywords: fire management, public opinion, air quality, ecosystem dynamics, education, property damage, National Fire Plan, fire suppression, land use, Native Americans, public information, recreation, site treatments, statistical analysis, thinning, wilderness fire management, US Forest Service, wildfires
Researchers using the eddy covariance approach to measuring trace gas fluxes are often hoping to measure carbon dioxide and energy fluxes for ecosystem intercomparisons. This paper demonstrates a systematic microprocessor-caused lag of -0.1 to -0.2 s in a commercial sonic…
Person:
Year: 2001
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Rocky Mountain
Keywords: eddy-covariance method, Wyoming
Photochemistry in young plumes from vegetation fires significantly transforms the initial fire emissions within the first hour after the emissions are injected into the atmosphere. Here we present an investigation of field measurements obtained in a smoke plume from a prescribed…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): International
Keywords: savannas, smoke plumes, South Africa, Timbavati Fire
Focus groups were used to gauge tolerance of smoke from broadcast prescribed forest burning in the wildland-urban interface of the northern Inland West. Focus group participants worked through issues surrounding prescribed burning as a management tool to determine if the origin…
Person:
Year: 2005
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Intelligence, Outreach, Prescribed Fire, Social Science, Wildland-Urban Interface (WUI)
Region(s): Northern Rockies, Northwest
Keywords: focus groups, air quality, broadcast burning, coniferous forests, education, fire hazard reduction, fire management, forest management, fuel management, Native Americans, public information, rural communities, smoke management, wildfires
Models of first-order fire effects are designed to predict tree mortality, soil heating, fuel consumption, and smoke production. Some of these models can be used to predict first-order fire effects on animals (e.g., soil-dwelling organisms as a result of soil heating), but they…
Person:
Year: 2010
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire, mortality, animals, invertebrates, vertebrates, first-order fire effects, direct effects, envirogram, indirect effects, Accipiter gentilis, Ammodramus henslowii, arthropods, bird banding, cavity nesting birds, cavity trees, charcoal, Cistothorus platensis, competition, Crotalus spp., diseases, ecosystem dynamics, fire adaptations, fire exclusion, fire frequency, fire injuries (animals), fire management, fire models, fire regimes, fire size, Terrapene carolina, forage, forest management, fuel loading, Geomys bursarius, habits and behavior, ignition, insects, telemetry, Lasiurus, Melanophila spp., Microtus pennsylvanicus, mowing, nesting, nongame birds, oxygen, pH, Picoides albolarvatus, Picoides borealis, pine forests, Pinus palustris, predation, reproduction, reptiles, Sceloporus, Sitta pygmaea, soil moisture, soil organisms, soil temperature, Strix occidentalis, threatened and endangered species, Timema, Tympanuchus cupido, wildfires, wildlife habitat management, wildlife management, SFP - Southern Fire Portal
Current operational methods for predicting tree mortality from fire injury are regression-based models that only indirectly consider underlying causes and, thus, have limited generality. A better understanding of the physiological consequences of tree heating and injury are…
Person:
Year: 2010
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: tree mortality, crown scorch, fire plumes, cavitation, VPD - vapor pressure deficit
Several real-time smoke prediction systems have been developed worldwide to help land managers, farmers, and air quality regulators balance land management needs against smoke impacts. Profiled here are four systems that are currently operational for regional domains for North…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: BlueSky Modeling Framework, smoke impacts, weather forecast, Australia, smoke prediction systems, dispersion models, fire activity data
ANNOTATION: Wildland fire has been an integral part of the landscape of the conterminous United States for millennia. Analysis of contemporary and pre-industrial (~ 200 - 500 yr BP) conditions, using potential natural vegetation, satellite imagery, and ecological fire regime…
Person:
Year: 1998
Type: Document
Source: FRAMES, TTRS
Topic(s): Aquatic, Climate, Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire regimes, climate change, emission estimates, biomass burning, pre-industrial conditions, Adenostoma, agriculture, biomass, carbon dioxide, CO - carbon monoxide, chaparral, coastal plain, Appalachian Mountains, coniferous forests, cropland fires, croplands, deserts, ecotones, ecology, everglades, fire danger rating, fire frequency, fire regimes, fuel loading, fuel models, grasslands, grazing, habitat types, Juniperus, land use, landscape ecology, logging, pine forests, pine hardwood forests, Pinus clausa, Pinus ponderosa, pocosins, prairie, presettlement fires, Prosopis, Pseudotsuga menziesii, Quercus, remote sensing, rural communities, savannas, scrub, shrub fuels, shrublands, wilderness areas, wilderness fire management, wildfires, wildlife habitat management
ANNOTATION: This paper provides results of modeling the effects of eight different fuel treatments on tree-based C storage and release over a century, with and without wildfire. Model runs show that, after a century of growth without wildfire, the control stored the most C.…
Person:
Year: 2009
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Hazard and Risk, Models, Monitoring and Inventory, Prescribed Fire, Restoration and Rehabilitation
Region(s): California
Keywords: forest management, wildfires, carbon emissions, carbon release, carbon storage, fuel treatment effects, Abies concolor, Abies magnifica, air quality, Calocedrus decurrens, C - carbon, catastrophic fires, climatology, coniferous forests, diameter classes, fire exclusion, fire frequency, fire management, fire regimes, fire resistant plants, flammability, fuel management, pine, Pinus jeffreyi, Jeffrey pine, Pinus lambertiana, presettlement vegetation, Sierra Nevada, thinning
ANNOTATION: Guidelines in the form of a six-step approach are provided for estimating volumes, oven-dry mass, consumption, and particulate matter emissions for piled logging debris. Seven stylized pile shapes and their associated geometric volume formulae are used to estimate…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Planning, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: biomass consumption, smoke management, piled slash, western United States
The Georgia Forestry Commission has developed an Internet-based, user friendly version of a USDA Forest Service smoke dispersion model called 'VSMOKE.' The program provides an easy to use method to quickly evaluate what areas will likely be impacted by smoke from a wild or…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire management, smoke dispersion, VSMOKE
Wildland fuels have been accumulating in the United States during at least the past half-century due to wildland fire management practices and policies. The additional fuels contribute to intense fire behavior, increase the costs of wildland fire control, and contribute to the…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): Southern
Keywords: BlueSkyRAINS, fire management, wildland fuels, BlueSky Modeling Framework
The BlueSky Smoke Prediction System developed by the U.S. Department of Agriculture, Forest Service, AirFire Team under the National Fire Plan is a modeling framework that integrates tools, knowledge of fuels, moisture, combustion, emissions, plume dynamics, and weather to…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Northwest
Keywords: fire management, smoke concentration, BlueSky Modeling Framework, plume trajectories
Computational tools have been developed at the National Institute of Standards and Technology (NIST) for modeling fire spread and smoke transport. These tools have been adapted to address fire scenarios that occur in the wildland urban interface (WUI) over kilometer-scale…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Models, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire management, fire spread, smoke transport, Smokeview
Long-duration fire activity during the 2006 northern California fire season presented an excellent opportunity to create a temporary air-quality/smoke-monitoring network in the complex terrain across northwestern California. The network was established through cooperative…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: air quality, fire management, smoke monitoring network
The Regional Haze rule addresses visibility impairment in 156 Federal Class I areas. The goal of the rule is to remove all anthropogenic air pollution from the National Parks and Wilderness areas. Determining natural visibility conditions is an interesting and complicated…
Person:
Year: 2007
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, National
Keywords: fire management, visibility, Regional Haze Rule
Smoke-cued seed germination and emergence is common in some frequent-fire ecosystems, but this process is little studied in frequent-fire conifer forests of the southwestern United States. To assess whether aqueous smoke promotes plant emergence in frequent-fire ponderosa pine (…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Southwest
Keywords: ponderosa pine, germination, northern Arizona, aqueous smoke, Penstemon, soil seed bank
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
Volatile organic compounds (VOC) are key species in atmospheric chemistry because of their reactivity and roles as pollutants, precursors to ozone (O3, an air toxic and greenhouse gas), and as greenhouse gases themselves. Fine carbonaceous particles also have important…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: deforestation, FERA - Fire and Environmental Research Applications Team, Amazon, Brazil, biomass burning, VOC - volatile organic carbon, TROFFEE - Tropical Forest and Fire Emissions Experiment, RWD - residual woody debris