Type
Topic
Region
Year
Displaying 151 - 175 of 185
Description not entered.
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): Southern
Keywords: Hg - mercury
Hourly measurements of organic and elemental carbon (OC and EC) in fine particles (PM2.5) were conducted at an urban site of Incheon, Korea, between June 2004 and October 2004, using a Sunset Lab semi-continuous carbon field instrument with a continuous-flow non-dispersive…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Effects, Intelligence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: aerosols, air quality, Asia, C - carbon, China, Korea, particulates, pollution, remote sensing, sampling, smoke effects, smoke management, wildfires, high time resolution, carbonaceous species, MODIS satellite image, forest fires, regional haze
Double-cropping wheat (Triticum aestivum L.) and soybean [Glycine max (L.) Merr.] is popular throughout the mid-southern United States. To ensure an adequate stand, it is imperative that soybean be planted as soon as possible after wheat harvest due to an already shortened…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Rocky Mountain, Southern
Keywords: agriculture, air quality, Arkansas, C - carbon, carbon dioxide, cropland fires, croplands, leaves, soil management, soil organic matter, soils, Sorghum bicolor, tillage, Triticum, Triticum aestivum, no-tillage, burning, yield, soybean, wheat, double-crop, Residue, Arkansas
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: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire, Social Science, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: Acer rubrum, air quality, C - carbon, CO - carbon monoxide, Clethra alnifolia, coastal plain, drainage, fire management, forest management, fuel management, Ilex glabra, invasive species, Liquidambar styraciflua, national forests, particulates, pine hardwood forests, Pinus taeda, precipitation, Quercus nigra, Quercus phellos, savannas, Schizachyrium scoparium, site treatments, smoke behavior, smoke management, soil permeability, soils, South Carolina, statistical analysis, storms, wind, smoke modeling, particulate matter, PM - particulate matter
We report measurements and analysis of a boreal forest fire, integrating the effects of greenhouse gases, aerosols, black carbon deposition on snow and sea ice, and postfire changes in surface albedo. The net effect of all agents was to increase radiative forcing during the…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Intelligence, Models
Region(s): Alaska, Great Basin, Northwest
Keywords: aerosols, boreal forests, C - carbon, carbon dioxide, ecosystem dynamics, fire case histories, fire management, fire regimes, forest management, gases, climate change, greenhouse gases, ozone, Picea mariana, post fire recovery, precipitation, radiation, statistical analysis, wildfires
Mercury emissions from forest fires in Europe and in North African countries bordering the Mediterranean Sea were estimated on the basis of ground-based forest fires data, forests phytomass and measured emission factors. Satellite observations were used to assess mercury…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Intelligence, Mapping, Monitoring and Inventory, Restoration and Rehabilitation, Mapping
Region(s): International
Keywords: Africa, air quality, Asia, biomass, C - carbon, combustion, deforestation, distribution, Europe, fire management, fire size, foliage, France, GIS, Italy, Mediterranean habitats, Hg - mercury, Middle East, phenology, plant communities, Poland, pollution, Portugal, remote sensing, Russia, smoke management, Spain, statistical analysis, wildfires, remote sensing, GIS, Europe, Russian federation, Mediterranean, forest fires, Hg - mercury
To assess the contribution of biomass burning to the emissions of atmospheric trace species in China, we estimated various biomass-burning activities using statistical data, survey data, expert estimates and a satellite data set. Fuel wood and crop residue burned as fuel and in…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire History, Fuels
Region(s): International
Keywords: air quality, Asia, biomass, C - carbon, CO - carbon monoxide, China, croplands, fire management, grasslands, wildfires, wood, woody fuels, biofuel, forest fires, fate of crop residue, field burning
Fluxes of water vapor, heat, and carbon dioxide associated with a prescribed grass fire were documented quantitatively using a 43-m instrumented flux tower within the burn perimeter and a tethered balloon sounding system immediately downwind of the fire. The measurements…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Southern
Keywords: Andropogon gerardii, backing fires, C - carbon, carbon dioxide, combustion, fire management, fire size, firing techniques, fuel loading, fuel models, grasses, grasslands, heat, ignition, Juniperus osteosperma, Pinus monophylla, prairies, range management, rate of spread, Schizachyrium scoparium, statistical analysis, surface fires, temperature, Texas, Tridens, water, wind, plumes
Observations of aerosol physical, chemical, and optical properties made at 38 locations in Washington, Oregon, and California are presented to show the regional-scale influence of wildfire smoke during the summer of 2002. Aerosol measurements made during an intensive field…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire History
Region(s): California, Great Basin, Northwest
Keywords: aerosols, air quality, C - carbon, fire management, light, Nevada, Oregon, K - potassium, season of fire, Sierra Nevada, smoke effects, smoke management, statistical analysis, Washington, wildfires, wind, Yosemite National Park, aerosol, regional scale, haze, C - carbon, wildland fire
Throughout August and September, 2003, wildfires burned in close proximity to Missoula, Montana, with smoke emanating from the fires impacting the valley for much of the summer. This presented the perfect opportunity to measure the levels of polychlorinated dibenzodioxins and…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire History, Fuels, Wildland-Urban Interface (WUI)
Region(s): Northern Rockies
Keywords: air quality, C - carbon, droughts, fire management, foam, fuel accumulation, fuel moisture, Montana, particulates, season of fire, smoke management, wildfires, elemental carbon, forest fire, dioxins, organic carbon, PM2.5
[no description entered]
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: air quality, biomass, C - carbon, carbon dioxide, cover type, crown fires, dead fuels, fire intensity, fire management, fuel models, GIS - geographic information system, moisture, overstory, particulates, pollution, population density, regeneration, smoke management, southern California, vegetation surveys, wildfires, pollution, FOFEM - First Order Fire Effects Model, air quality, carbon cycle, carbon dioxide, particulates
The Yosemite Aerosol Characterization Study (YACS) was conducted during the summer of 2002 to investigate regional haze in Yosemite National Park by characterizing the chemical, physical and optical properties of the ambient aerosol. Previous analyses reveal that the composition…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): California, Great Basin
Keywords: aerosols, air quality, biomass, C - carbon, chemical compounds, fire management, organic matter, particulates, smoke management, wildfires, wood, Yosemite National Park, wildfires, biomass burning, wood smoke, haze, levoglucosan, SOA
[no description entered]
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Eastern, Great Basin, Rocky Mountain
Keywords: aesthetics, air quality, biomass, C - carbon, carbon dioxide, CO - carbon monoxide, Colorado, coniferous forests, crown fires, diameter classes, fire damage (property), fire hazard reduction, fire management, fire suppression, forest management, fuel loading, fuel types, hydrocarbons, invasive species, logging, Michigan, national forests, particulates, population density, post fire recovery, recreation, regeneration, rural communities, soil erosion, thinning, threatened and endangered species (animals), threatened and endangered species (plants), water quality, wilderness fire management, wildfires, wildlife habitat management, forest fuels, nonmarket values, small-diameter logs, cost, benefit analysis, forest fires, LADDER FIRES
Boreal forests are highly susceptible to wildfire, and post-fire changes in soil temperature and moisture have the potential to transform large areas of the landscape from a net sink to a net source of carbon (C). Understanding the ecological controls that regulate these…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Fuels, Models
Region(s): Alaska, Great Basin, Northwest
Keywords: age classes, black spruce, boreal forests, calcium, C - carbon, CO2 - carbon dioxide, decomposition, disturbance, ecosystem dynamics, fire frequency, fire intensity, fire management, forest management, Interior Alaska, magnesium, microclimate, microorganisms, moisture, mosses, N - nitrogen, organic soils, pH, post-fire recovery, K - potassium, roots, soil management, soil moisture, soil organic matter, soil temperature, soils, statistical analysis, succession, temperature, wildfires, boreal forests, carbon balance, decomposition, microbial activity, moss
Approximately 25% of the soybean [Glycine max (L.) Merr.] grown in the mid-South is produced in a wheat (Triticum aestivum L.)-soybean double-crop system. Pre-soybean field preparations often consist of removing wheat residue by burning followed by conventional tillage (CT).…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Rocky Mountain, Southern
Keywords: agriculture, Arkansas, C - carbon, carbon dioxide, cropland fires, croplands, fertility, N - nitrogen, organic matter, pH, soil management, soil nutrients, soil organic matter, soils, tillage, Triticum, Triticum aestivum, no-tillage, burning, straw, soil quality, Arkansas
The atmosphere can be an important source of nutrients to remote ocean waters, e.g., in supplying iron to nitrogen fixers in the tropical North Atlantic. We use results obtained from aerosol collection during four meridional transect cruises of the Atlantic Ocean in an attempt…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): International
Keywords: aerosols, Africa, air quality, biogeochemical cycles, biomass, deserts, human caused fires, iron, N - nitrogen, nutrients, particulates, phosphorus, water, aerosol, nutrients, desert dust, biomass burning
The emissions from simulated sugarcane (Saccharum officinarum) field burns were sampled and analyzed for polychlorinated dibenzodioxins and dibenzofurans (PCDDs and PCDFs). Sugarcane leaves from Hawaii and Florida were burned in a manner simulating the natural physical…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): Hawaii, Southern
Keywords: agriculture, air quality, ash, biomass, C - carbon, chemical compounds, combustion, experimental fires, fire management, firing techniques, Florida, fuel loading, hydrogen, leaves, moisture, N - nitrogen, particulates, Saccharum, Saccharum officinarum, sampling, smoke management, statistical analysis, S - sulfur
Savannas are the most common vegetation type in the tropics and subtropics, ranging in physiognomy from grasslands with scattered woody plants to woodlands with heterogeneous grass cover. Productivity and organic matter turnover in savannas are controlled by interactions between…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels
Region(s): California, Great Basin, Hawaii, Southern, Southwest, International
Keywords: Acacia spp., Africa, Andropogon, Australia, biomass, Brazil, C - carbon, cerrado, cover, ecosystem dynamics, fine fuels, fire frequency, fire management, fire regimes, fire suppression, forest management, gases, grasses, grasslands, grazing, herbaceous vegetation, land management, land use, N - nitrogen, nutrient cycling, organic matter, phosphorus, population density, post fire recovery, Prosopis glandulosa, savannas, soil management, soil nutrients, South Africa, South America, streams, S - sulfur, suppression, surface fires, Trachypogon, tropical regions, water, woody plants, cerrado, Llanos, mesquite, N - nitrogen, savannas, trace gases
Nitrous oxide (N2O) fluxes from tropical peatland soils were measured at a grassland, three croplands, a natural forest, a burned forest and a regenerated forest in Central Kalimantan, Indonesia. Only croplands received fertilization (665-1278 kg N ha-1 year-1). Mean annual N2O…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, croplands, fertilization, Indonesia, Kalimantan, land use, moisture, N - nitrogen, nutrition, organic soils, peat, peatlands, pH, plant nutrition, precipitation, regeneration, soil moisture, soils, statistical analysis, tropical regions, wildfires, closed-chamber method, forest fire, land-use type, N2O - nitrous oxide, tropical peatland
Small changes in C cycling in boreal forests can change the sign of their C balance, so it is important to gain an understanding of the factors controlling small exports like water-soluble organic carbon (WSOC) fluxes from the soils in these systems. To examine this, we…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska
Keywords: carbon balance, productivity, soils, black spruce, climate change, DOC - dissolved organic carbon, Picea mariana, respiration, soil carbon, soil composition, water balance, soil properties, boreal forests, C - carbon, CO2 - carbon dioxide, climatology, coniferous forests, evapotranspiration, forest management, mineral soil, nutrient cycling, organic matter, organic soils, Picea spp., Picea mariana, soil management, soil moisture, soil nutrients, soil organic matter, soil temperature, statistical analysis, water
Fire behavior was measured and modeled from eight 1 ha experimental plots located in the Francis Marion National Forest, South Carolina, during prescribed burns on February 12 and February 20, 2003. Four of the plots had been subjected to mechanical chipping during 2002 to…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Models, Prescribed Fire, Safety, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: land management, fuel treatments, mechanical chipping, Acer rubrum, Clethra alnifolia, coastal plain, experimental fire, fine fuels, fire hazard reduction, fire intensity, fire management, flame length, forbs, forest management, fuel loading, fuel management, fuel moisture, grasses, heavy fuels, Ilex glabra, Liquidambar styraciflua, litter, low intensity burns, moisture, national forests, particulates, population density, Pinus taeda, Quercus nigra, Quercus phellos, rate of spread, Schizachyrium scoparium, SFP - Southern Fire Portal, shrubs, site treatments, snags, South Carolina, storms, understory vegetation, Vaccinium spp., wildfires, wind, woody plants
Atmospheric particulate matter can be strongly affected by smoke from biomass combustion, including wildfires, prescribed burns, and residential wood burning. Molecular source tracer techniques help determine contributions of biomass smoke to particle concentrations if…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, PM2.5, levoglucosan, IC-PAD, aerosols, emission factors, biomass, broadcast burning, C - carbon, cellulose, chemical compounds, combustion, duff, fire management, forest products, fuel types, grasses, laboratory fires, needles, particulates, sloping terrain, smoke management, wildfires, wood, wood properties
Prescribed fires are likely to re-emit atmospherically deposited mercury (Hg), and comparison of soil Hg storage in areas affected by prescribed fire to that in similar unburned areas may provide cross-validating estimates of atmospheric Hg deposition. Prescribed fires are…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fire History, Fuels, Prescribed Fire
Region(s): Southern
Keywords: mercury emissions, podzolic soils, Spodosols, Florida, mercury deposition, air quality, C - carbon, coastal plain, fire management, fire regimes, forest management, Ilex glabra, longleaf pine, Hg - mercury, needles, N - nitrogen, Osceola National Forest, Pinus palustris, Serenoa repens, SFP - Southern Fire Portal, soil management, soil nutrients, soils, statistical analysis, understory vegetation
Wildfire temperature retrieval commonly uses measured radiance from a middle infrared channel and a thermal infrared channel to separate fire emitted radiance from the background emitted radiance. Emitted radiance at shorter wavelengths, including the shortwave infrared, is…
Person:
Year: 2006
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Monitoring and Inventory
Region(s): California
Keywords: AVIRIS - Airborne Visible Infrared Imaging Spectrometer, fire temperature, radiant modeling
Radiocarbon signatures Delta 14C of carbon dioxide CO2 provide a measure of the age of C being decomposed by microbes or respired by living plants. Over a 2-year period, we measured Delta 14C of soil respiration and soil CO2 in boreal forest sites in Canada, which varied…
Person:
Year: 2006
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire Effects, Fire Occurrence, Fuels, Hazard and Risk
Region(s): International
Keywords: boreal forests, decomposition, soil respiration, stand age, carbon storage, CO2 - carbon dioxide, soil carbon dioxide, Canada, age classes, C - carbon, catastrophic fires, evapotranspiration, fire frequency, gases, Manitoba, mosses, roots, soil management, soil nutrients, soil temperature, vegetation surveys, soils, wildfires