Type
Topic
Region
Year
Displaying 1 - 25 of 5837
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
The Tropical Forest and Fire Emissions Experiment (TROFFEE) used laboratory measurements followed by airborne and ground based field campaigns during the 2004 Amazon dry season to quantify the emissions from pristine tropical forest and several plantations as well as the…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): International
Keywords: deforestation, tropical ecosystems, Brazil, OVOC - oxygenated volatile organic compounds, NMOC - nonmethane organic compounds, TROFFEE - Tropical Forest and Fire Emissions Experiment
To reduce uncertainties in the quantitative assessment of aerosol effects on regional climate and environmental changes, extensive measurements of aerosol optical properties were made with handheld Sun photometers in the Chinese Sun Hazemeter Network (CSHNET) starting in August…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): International
Keywords: China, CSHNET - Chinese Sun Hazemeter Network , AOD - aerosol optical depth, Angstrom wavelength exponent
Biomass combustion emissions make a significant contribution to the overall particulate pollution in the troposphere. Wildland or prescribed burns and residential wood combustion emissions can vary due to differences in fuel, season, time of day, and the nature of the combustion…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Monitoring and Inventory, Prescribed Fire, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: levoglucosan, biomass burning, SVOC - semi-volatile organic compounds, organic acids, air quality, Artemisia, backing fire, biomass, C - carbon, cellulose, combustion, coniferous forest, conifers, ecosystem dynamics, fire management, forest management, fuel management, grasses, grasslands, headfires, national forests, national parks, needles, particulates, Pinus monticola, Pinus ponderosa, ponderosa pine, pollution, chance ignition prescribed fires, recreation related fires, resins, sampling, season of fire, Sequoia, smoke effects, smoke management, statistical analysis, wildland fuels, wood, Yosemite National Park
The Moderate Resolution Imaging Spectroradiometer (MODIS) currently provides the most extensive aerosol retrievals on a global basis, but validation is limited to a small number of ground stations. This study presents a comprehensive evaluation of Collection 4 and 5 MODIS…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models
Region(s): International
Keywords: aerosols, China, MODIS - Moderate Resolution Imaging Spectroradiometer, CSHNET - Chinese Sun Hazemeter Network
Single scattering albedo (SSA) governs the strength of aerosols in absorbing solar radiation, but few methods are available to directly measure this important quantity. There currently exist many ground-based measurements of spectral transmittance from which aerosol optical…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): International
Keywords: China, SSA - single scattering albedo, AOT - aerosol optical thickness
An experimental method for determining the presence and the level of systematic distortions in lidar data is considered. The method has been developed on the basis of two years of field experiments with the Fire Sciences Laboratory elastic scanning lidar. The influence of…
Person:
Year: 2007
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, elastic scanning lidar, systematic distortions
A new method is considered that can be used for inverting data obtained from a combined elastic-inelastic lidar or a high spectral resolution lidar operating in a one-directional mode, or an elastic lidar operating in a multiangle mode. The particulate extinction coefficient is…
Person:
Year: 2007
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: particulate extinction coefficient, elastic-inelastic lidar, high spectral resolution lidar
Volatile Organic Compound (VOC) emissions from fires in tropical forest fuels were quantified using Proton-Transfer-Reaction Mass Spectrometry (PTRMS), Fourier Transform Infrared Spectroscopy (FTIR) and gas chromatography (GC) coupled to PTRMS (GC-PTR-MS). We investigated VOC…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: tropical ecosystems, VOC - volatile organic compounds, Brazil, biomass burning, TROFFEE - Tropical Forest and Fire Emissions Experiment
Fire scientists in the United States began exploring the relationships of fire-danger and hazard with weather, fuel moisture, and ignition probabilities as early as 1916. Many of the relationships identified then persist today in the form of our National Fire-Danger-Rating…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Administration, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: NFDRS - National Fire Danger Rating System, vegetation, United States, satellite-derived maps, Priest River Experiment Station, weather maps, climatology, coniferous forests, dead fuels, drought, duff, evolution, experimental areas, fire control, fire danger rating, fire hazard reduction, fire management, fire management planning, fuel moisture, GIS - geographic information system, Idaho, ignition, moisture, Pinus ponderosa, ponderosa pine, precipitation, rate of spread, sloping terrain, smoke effects, statistical analysis, succession, wind, woody fuels, wildfires
An improved measurement methodology and a data-processing technique for multiangle data obtained with an elastic scanning lidar in clear atmospheres are introduced. Azimuthal and slope scans are combined to reduce the atmospheric heterogeneity. Vertical profiles of optical depth…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, 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, Kano-Hamilton, measurement methodology, multiangle data, azimuthal and slope scans
Considerable experimental and theoretical work has been done on general concepts regarding nonnative species and disturbance, but experimental research on the effects of fire on nonnative invasive species is sparse. We begin this chapter by connecting fundamental concepts from…
Person:
Year: 2008
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: disturbance, fire management, fire research, invasibility, nonnative invasive plants, invasion ecology, climatology, crown fires, crown scorch, ecosystem dynamics, fire frequency, fire hazard reduction, fire intensity, ground cover, fire size, heat effects, invasive species, phenology, post-fire recovery, presettlement fire regime, season of fire, soil moisture, surface fires, temperature
As part of the Tropical Forest and Fire Emissions Experiment (TROFFEE), tropical forest fuels were burned in a large, biomass-fire simulation facility and the smoke was characterized with open-path Fourier transform infrared spectroscopy (FTIR), proton-transfer reaction mass…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Monitoring and Inventory
Region(s): International
Keywords: Amazon, Brazil, biomass burning, emission factors, TROFFEE - Tropical Forest and Fire Emissions Experiment