Type
Topic
Region
Year
Displaying 101 - 125 of 192
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
Whether the goal is to improve wildlife habitat, gauge the effects of prescribed burns or wildfire, or assess the unaccustomed conditions and hidden dangers of fallen trees in the aftermath of hurricanes, a suite of tools developed by the Fire and Environmental Research…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CONSUME, FCCS - Fuel Characteristic Classification System, fuel loading, Natural Fuels Photo Series, FERA - Fire and Environmental Research Applications Team, Digital Photo Series
The emissions of NOx (defined as NO (nitric oxide) + NO2 (nitrogen dioxide)) and hydrogen cyanide (HCN), per unit amount of fuel burned, from fires in the pine forests that dominate the mountains surrounding Mexico City (MC) are about 2 times higher than normally observed for…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: FERA - Fire and Environmental Research Applications Team, biomass burning, fire emissions, VOC - volatile organic carbon, Mexico City
When prescribed burning is conducted at the wildland-urban interface (WUI), the smoke that is produced can sometimes inconvenience people, but it can also cause more serious health and safety problems. The public is unlikely to continue to tolerate the use of prescribed fire,…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Planning, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: fire management, smoke management, smoke screening
We explore the impact of future climate change on the risk of forest and grassland fires over Australia in January using a high resolution regional climate model, driven at the boundaries by data from a transitory coupled climate model. Two future emission scenarios (relatively…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Hazard and Risk, Models
Region(s): International
Keywords: climate change, Australia, fire risk
An analysis of the spatial and temporal patterns of global burned area with the Daily Tile US National Oceanic and Atmospheric Administration-Advanced Very High-Resolution Radiometer Pathfinder 8 km Land dataset between 1981 and 2000 is presented. Nine distinct temporal and…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Communications, Emissions and Smoke, Fire Occurrence, Intelligence, Mapping, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire frequency, burned area, NOAA-AVHRR, principal components analysis, fire patterns, temporal trends, air quality, Asia, biomass, Central America, cover, croplands, deciduous forests, fire management, fire size, grasslands, remote sensing, savannas, season of fire, statistical analysis
Aim: Globally, most landscape burning occurs in the tropical savanna biome, where fire is a characteristic of the annual dry season. In northern Australia there is uncertainty about how the frequency and timing of dry season fires have changed in the transition from Aboriginal…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: aboriginal burning practices, air pollution, convection, PM10, visibility, Australia, biomass burning, historical ecology, tropical savannas, monsoon tropics
Due to a rapidly expanding human population in Florida, fire management has become hampered by urban encroachment, smoke management issues, and forest fragmentation. For these and other reasons, fire has been excluded from many stands, resulting in the buildup of dangerous fuel…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: hazardous fuel treatment, survey, pine flatwoods, Florida, fuel management, pine rocklands, computer program, cutting, fire frequency, fire hazard reduction, fire management, flatwoods, forest fragmentation, fragmentation, fuel accumulation, fuel loading, fuel types, grazing, herbicide, Imperata cylindrica, invasive species, land management, Melaleuca quinquenervia, Neyraudia, pine forests, Pinus elliottii, Pinus elliottii densa, Pinus palustris, savannas, SFP - Southern Fire Portal, site treatments, smoke management, wildfires
The U.S. Geological Survey (USGS) collected ash and burned soils from about 28 sites in southern California wildfire areas (Harris, Witch, Ammo, Santiago, Canyon and Grass Valley) from Nov. 2 through 9, 2007 (table 1). USGS researchers are applying a wide variety of analytical…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): California
Keywords: ash, soils, burned soil, water quality, human health, flooding, debris flows, endangered species, BAER - Burned Area Emergency Response
The Ventilation Climate Information System (VCIS) provides a web interface to a twice-daily, 40-year database of wind speed, mixing height and ventilation index for the United States at a spatial resolution of approximately 5km (Ferguson et al. 2003). This provides smoke…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Hazard and Risk, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: VCIS - Ventilation Climate Information System, wind speed, air quality
The interaction between smoke and air pollution creates a basic conflict between public health and fuels treatments. Fuels treatments (prescribed fire and mechanical removal) proposed for the National Forest lands are intended to reduce fuel accumulations and wildfire frequency…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuels treatments, air pollution, air quality, public health
Forest wildfire area burned in the western U.S. has increased in recent decades resulting in a substantial organic carbon (OC) source with large interannual variability. We derive OC emissions from wildfires using data for area burned for 1980-2004 and ecosystem specific fuel…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: area burned, organic carbon, biomass burning, aerosol, IMPROVE, wildfire
The present study investigates effects of wildfire emissions on air quality in Europe during an intense fire season that occurred in summer 2003. A meso-scale chemistry transport model CHIMERE is used, together with ground based and satellite aerosol optical measurements, to…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: aerosols, Europe, MODIS - Moderate Resolution Imaging Spectroradiometer, PM - particulate matter, smoke transport, AERONET - Aerosol Robotic Network, radiative effects
The summer of 2004 was one of the largest fire seasons on record for Alaska and western Canada. We construct a daily bottom-up fire emission inventory for that season, including consideration of peat burning and high-altitude (buoyant) injection, and evaluate it in a global…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, International
Keywords: fuel consumption, boreal fire, CO - carbon monoxide, western Canada, fire plumes, GEOS-Chem CTM, global chemical transport model, high-altitude injection, ICARTT aircraft observations, MODIS fire hot spots, MOPITT satellite observations, peat burning, upper troposphere
FULL TEXT: In the summer of 2005, wildfires raged over 3.4 million hectares of Alaska and Canada's northern boreal forests, according to combined figures from the Canadian Large Fire Database and the Alaska Large Fires Database. It was the region's second worst fire season on…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, International
Keywords: boreal forest, Canada, wildfire, mercury emissions, peat soils, peatland, MeHg - methyl Hg
Fires in boreal and temperate forests play a significant role in the global carbon cycle. While forest fires in North America (NA) have been surveyed extensively by U.S. and Canadian forest services, most fire records are limited to seasonal statistics without information on…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models
Region(s): Alaska, International
Keywords: Canada, AVHRR - Advanced Very High Resolution Radiometer, North America, boreal forests, burned area mapping, forest fires, temperate forests
We present an overview of the Fuel Characteristic Classification System (FCCS), a tool that enables land managers, regulators, and scientists to create and catalogue fuelbeds and to classify those fuelbeds for their capacity to support fire and consume fuels. The fuelbed…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: crown fires, FCCS - Fuel Characteristic Classification System, FERA - Fire and Environmental Research Applications Team, flaming combustion, residual combustion, smoldering combustion, fuelbeds, surface fire behavior, air quality, Artemisia spp., C - carbon, coniferous forests, duff, fire hazard, fire management, fire regimes, fire suppression, fuel management, fuel types, Juniperus occidentalis, land management, lichens, litter, mosses, national forests, overstory, Pinus contorta, Pinus ponderosa, ponderosa pine, shrubs, surface fires, wildfires, woody plants
The continued supply of our Nation's paper and other wood products increasingly depends on wood fiber produced from forests in the Southern United States. Approximately 200 million acres (81 million ha) of forest are within 13 Southern States-roughly south of the Ohio River and…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Southern
Keywords: smoke management