Type
Topic
Region
Year
Displaying 151 - 175 of 242
Forest management planning models are highly developed and used extensively, but few explicitly consider the effects of fire and other uncertain losses which can be significant. Previous studies recommended contradictory responses to potential fire loss. We developed forest-…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Models, Weather
Region(s): International
Keywords: Canada, optimization, harvest schedule, timber supply modeling, uncertain forest losses, Ontario, air quality, boreal forest, climatology, fire frequency, fire injuries (plants), fire intensity, fire management, forest management, logging, plant growth
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
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
Fire is the single most important ecological disturbance process throughout the interior Pacific Northwest (Mutch and others 1993; Agee 1994). It is also a natural process that helps maintain a diverse ecological landscape. Fire suppression and timber harvesting have drastically…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Restoration and Rehabilitation
Region(s): Northwest
Keywords: fire regimes, forest ecosystems, forest restoration, FERA - Fire and Environmental Research Applications Team, Pacific Northwest, smoke considerations
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
Several smoke-dispersion models, which currently are available for modeling smoke from biomass burns, were evaluated for ease of use, availability of input data, and output data format. The input and output components of all models are listed, and differences in model physics…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire, biomass burning, dispersion, FERA - Fire and Environmental Research Applications Team
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
This is a user's manual for VSMOKE, a computer program for predicting the smoke and dry weather visibility impact of a single prescribed fire at several downwind locations. VSMOKE is a FORTRAN 77 program that depends on the input in file VSMOKE.IPT to generate output in file…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer models, visibility, VSMOKE
Resilience against fire disturbance of Mediterranean vegetation has been frequently described. However, fire regimes change due to abandonment of local land use practices and climatic change. Thus, it is useful to know the importance of fire-specific and unspecific mechanisms…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Restoration and Rehabilitation
Region(s): International
Keywords: disturbance, regeneration, succession, fire adaptations, germination, Spain, seeder, Cistaceae, ash, char, coniferous forests, fire exclusion, fire frequency, fire regimes, fire management, firebreak, forest management, heat, land use, logging, mountains, Mediterranean habitats, Pinus halepensis, post-fire recovery, seed germination, Quercus coccifera , seeds, site treatments, smoke effects, sprouting, Stipa tenacissima, wood
Elevated atmospheric carbon dioxide (CO2) often stimulates the growth of fine roots, yet there are few reports of responses of intact root systems to long-term CO2 exposure. We investigated the effects of elevated CO2 on fine root growth using open top chambers in a scrub oak…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): Southern
Keywords: CO2 - carbon dioxide, fine roots, Florida, root length density, minirhizotrons, root closure
We begin our study of wildland fire with the basic principles and mechanisms of the combustion process-fire fundamentals. In the next chapter we look at wildland fire as an event. Fire behavior is what a fire does, the dynamics of the fire event. In later chapters we move up the…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: BEHAVE, fire intensity, fire weather, fuel load, fuel moisture, atmospheric stability, drought, extreme fire behavior, fire environment, fire growth, fire spread, fuel classification, wind
The Fire and Environmental Research Applications team has completed a set of online tutorials, instructor’s guides and student workbooks to help land managers use the Natural Fuels Photo Series, Fuel Characteristic Classification System (FCCS), Consume 3.0, and Fire Emissions…
Person:
Year: 2006
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, National
Keywords: Natural Fuels Photo Series, FCCS - Fuel Characteristic Classification System, CONSUME, FEPS - Fire Emissions Production Simulator, land management
BlueSkyRAINS is a smoke modeling system that allows users to view smoke forecasts from fire. These smoke predictions have a large number of potential uses, from informing go/no-go decisions on prescribed fires to wildland fire use/wildfire categorization decisions to information…
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: BlueSkyRAINS, smoke management
On Monday, 19 July, and Tuesday, 20 July 2004, the air over Houston, Texas, appeared abnormally hazy. Transport model results and data from the Atmospheric Infrared Sounder (AIRS), the Moderate Resolution Imaging Spectrometer (MODIS), the Measurement of Ozone by Airbus In-…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping
Region(s): Alaska, Southern, International
Keywords: ozone, air pollution, Texas, MODIS - Moderate Resolution Imaging Spectroradiometer, wildfire, Canada
Extensive wildfires burned in northern North America during summer 2004, releasing large amounts of trace gases and aerosols into the atmosphere. Emissions from these wildfires frequently impacted the PICO-NARE station, a mountaintop site situated 6-15 days downwind from the…
Person:
Year: 2006
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, International, National
Keywords: boreal forest, black carbon, boreal fire, ozone, North Atlantic, O3 - ozone, nitrogen oxides
Description not entered.
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Models, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire weather
Cuban Parrots (Amazona leucocephala) on the island of Great Abaco in the Bahamas forage and nest in native pine forests. The population is unique in that the birds nest in limestone solution holes on the forest floor. Bahamian pine forests are fire-dependent with a frequent…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Prescribed Fire
Region(s): Southern
Keywords: birds, cavity nesting birds, Bahamas, backing fire, ecosystem dynamics, fire dependent species, fire frequency, fire hazard reduction, fire management, fire regimes, forage, fuel loading, ignition, lightning caused fires, low intensity burns, national parks, nesting, nongame birds, nutrient cycling, particulates, pine forests, Pinus caribaea, surface fires, temperature, wildlife food habits, wildlife habitat management
With climate change rapidly affecting northern forests and wetlands, mercury reserves once protected in cold, wet soils are being exposed to burning, likely triggering large releases of mercury to the atmosphere. We quantify organic soil mercury stocks and burn areas across…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska
Keywords: boreal forest, fire, climate change, Hg - mercury, mercury emissions, soil nutrients
Fire and harvesting are important disturbances in the boreal forest, driving net biome production. Measurements of net ecosystem production (NEP) over mature forest stands have been made from flux towers for about a decade at the Boreal Ecosystem Research and Monitoring Sites (…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels
Region(s): International
Keywords: boreal forest, Canada, carbon flux, disturbance, age classes, energy flow, water balance, Saskatchewan, C - carbon, deciduous forests, diameter classes, ecosystem dynamics, energy, evapotranspiration, forest management, logging, size classes, soil moisture, soil temperature, water, wildfires
Fire in the boreal forest renews forest stands and changes the ecosystem properties. The successional stage of the vegetation determines the radiative budget, energy balance partitioning, evapotranspiration and carbon dioxide flux. Here, we synthesize energy balance measurements…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire Effects, Fire History
Region(s): Alaska, International
Keywords: boreal forest, Canada, eddy-covariance method, forest fire, albedo, brown ratio, climate change, energy balance, evapotranspiration, radiation
Smoke data were collected from two instrumented plots located on the Francis Marion National Forest in South Carolina during prescribed burns on Feb. 12, 2003. One of the plots had been subjected to mechanical chipping. Particulate matter (PM2.5) data analyzed by gravimetric…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Southern
Keywords: PM - particulate matter, smoke measurements, CO - carbon monoxide
Smoke from wildland burning in association with fog has been implicated as a visibility hazard over roadways in the southern United States. A project began in 2002 to determine whether moisture released during the smoldering phases of southern prescribed burns could contribute…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety, Weather
Region(s): Southern
Keywords: ground fog, smoke management, smoke measurements, visibility, highway accidents
Nine measures of atmospheric surface moisture are tested for statistical relationships with fire size and number of fires using data from the Great Lakes region of the United States. The measures include relative humidity, water vapor mixing ratio, mixing ratio deficit, vapor…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Weather
Region(s): Eastern
Keywords: fire danger, fire weather, humidity
Description not entered.
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Unknown
Keywords: simulation, biomass burning