Type
Topic
Region
Year
Displaying 5726 - 5750 of 5842
These questions arise not as a local phenomenon but on a world scale which is seldom appreciated. Fire regimes prevail not only over huge areas in south-central Africa and Brazil, but also extend through North Africa--in the Sudan Zone especially--and no doubt also occur in the…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Weather, Mapping
Region(s): International
Keywords: Africa, agriculture, air temperature, Australia, biomass, Brazil, Burma, C - carbon, carbon dioxide, distribution, fire dependent species, fire regimes, climate change, grasslands, hunting, India, pacific ocean, precipitation, savannas, season of fire, smoke effects, soil moisture, temperature, Thailand, Zambia
Occupational safety and health concerns have been raised in a number of southern states by workers conducting prescribed burns on forest lands treated with herbicides. Modeling assessments coupled with laboratory experiments have shown that the risk of airborne herbicide…
Person:
Year: 1992
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire, Safety
Region(s): Southern
Keywords: burning intervals, C - carbon, CO - carbon monoxide, fire management, fire size, Georgia, herbicides, particulates, sampling, smoke effects, smoke management, statistical analysis
Biomass burning effects the African continent all year round. In the dry season there are widespread savannah fires, and there are always some domestic and agricultural fires. Here we present measurement of particulate black carbon, which is an unambiguous indicator of…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Mapping, Prescribed Fire
Region(s): International
Keywords: Africa, biomass, C - carbon, combustion, droughts, old growth forests, particulates, pH, precipitation, sampling, savannas, statistical analysis, tropical forests, water, weather observations
Industrial hygiene measurement of exposures to wildland fire fighters was conducted in northern California during three consecutive fire seasons (1986-1989) in conjunction with three separate health effects studies. Chemicals that were monitored included carbon monoxide, total…
Person:
Year: 1992
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire, Safety
Region(s): California, Great Basin
Keywords: air quality, C - carbon, CO - carbon monoxide, dust, fire control, fire management, fire suppression, firebreaks, hydrocarbons, mopping up, mountains, northern California, particulates, sampling, statistical analysis, wilderness fire management, wildfires
In this paper we briefly review current knowledge concerning the possible consequences of a changing climate for terrestrial ecosystems. Forests and grasslands of western North America figure prominently in the discussion, but our intent is to consider general principles rather…
Person:
Year: 1990
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Fuels, Models, Restoration and Rehabilitation
Region(s): Northwest
Keywords: agriculture, arthropods, C - carbon, carbon dioxide, community ecology, deforestation, dendrochronology, disturbance, ecosystem dynamics, fire exclusion, fire frequency, forest management, forest types, gases, climate change, grasslands, grazing, habitat conversion, histories, insects, land management, logging, nutrient cycling, old growth forests, Oregon, organic matter, perennial plants, physiology, Pinus ponderosa, plant growth, precipitation, range management, soil erosion, soil nutrients, species diversity (plants), storms, temperature, water, wildfires, wind
[no description entered]
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: C - carbon, charcoal, chemistry, distribution, ecosystem dynamics, evolution, fire frequency, fire regimes, fossils, paleoecology, paleontology, plant growth, prehistoric fires, sedimentation, smoke effects, wetlands, wildfires
Emissions from prescribed fires in several different fuel types in the Pacific Northwest are characterized. Data on the particles are reported as functions of fire behavior and fuel types. Profiles of trace elements, carbon elements, and carbon for each fuel type and combustion…
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: air quality, C - carbon, combustion, fire intensity, fuel types, particulates, season of fire, smoke management
The information presented is directed to environmental scientists and resource managers concerned with sulfur emissions from combustion processes. Atmospheric chemists believe these emissions accumulate in the stratosphere and affect the earth's radiation balance. Some of these…
Person:
Year: 1982
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, biomass, C - carbon, combustion, gases, hydrogen, laboratory fires, pollution, radiation, S - sulfur, volatilization
[no description entered]
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Intelligence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: Africa, air quality, C - carbon, CO - carbon monoxide, gases, human caused fires, ozone, rainforests, remote sensing, savannas, South America, tropical forests
[no description entered]
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Mapping
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Arctic, Canada, C - carbon, chemistry, distribution, fuel types, gases, Greenland, Northwest Territories, organic matter, particulates, pollution, SO2 - sulfur dioxide, wildfires
Following a repetitive pattern, biomass burning affects the intertropical belt on a continental scale during the dry season1. The importance of these anthropogenic activities with regard to carbonaceous-component emissions into the global atmosphere is now well recognized2-4. It…
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels
Region(s): International
Keywords: aerosols, Africa, air quality, biomass, C - carbon, chemistry, fire intensity, fire size, fuel types, habitat types, human caused fires, Ivory Coast, organic matter, particulates, pollution, post fire recovery, savannas, season of fire, seasonal activities, statistical analysis, tropical forests
Fire links the biosphere and the atmosphere. The linkage is, as yet, poorly quantified. Evidence suggests that a few percent of total C fixed by photosynthesis is oxidized by burning. Biomass burning seems to be globally significant in terms of associated: • Releases of trace…
Person:
Year: 1988
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Asia, bibliographies, biogeochemical cycles, biogeography, Brazil, C - carbon, char, charcoal, chemistry, community ecology, decay, distribution, ecosystem dynamics, evolution, fire frequency, fire intensity, fire regimes, fire size, forest types, fossils, fuel types, gases, geography, habitat types, heat, heat effects, human caused fires, landscape ecology, Mexico, microclimate, minerals, paleoecology, paleontology, post fire recovery, prehistoric fires, remote sensing, reproduction, sedimentation, smoke effects, South America, species diversity (animals), species diversity (plants), statistical analysis, telemetry, tropical forests, water, wildfires
Wood versus fossil fuel as a source of excess carbon dioxide in the atmosphere: a preliminary report
If the amounts of wood consumed in deforestation to increase agricultural land and as firewood in underindustrialized countries are added to the amount consumed by the money economics as forest products, the estimates of the net amount of wood removed from the biosphere in this…
Person:
Year: 1977
Type: Document
Source: TTRS
Topic(s): Aquatic, Economics, Emissions and Smoke, Fuels, Models, Prescribed Fire, Economics
Region(s): International
Keywords: agriculture, air quality, Brazil, C - carbon, carbon dioxide, chemistry, clearcutting, deforestation, energy, forest management, forest products, fuel types, glaciers, habitat conversion, human caused fires, rainforests, regeneration, sedimentation, South America, tropical forests, wood, woody fuels
[no description entered]
Person:
Year: 1986
Type: Document
Source: TTRS
Topic(s): Aviation, Emissions and Smoke, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Logistics, Models, Monitoring and Inventory, Prescribed Fire, Regulations and Legislation, Social Science, Weather
Region(s): Great Basin, Northwest
Keywords: aerial ignition, air quality, biomass, burning intervals, burning permits, C - carbon, CO - carbon monoxide, clearcutting, computer programs, conifers, decay, diameter classes, duff, fire danger rating, fire hazard reduction, fire management, fire regimes, firing techniques, forest management, fuel appraisal, fuel inventory, fuel models, fuel moisture, fuel types, gases, hardwoods, herbicides, humus, ignition, logging, moisture, multiple resource management, national forests, Oregon, organic soils, particulates, pine, post fire recovery, precipitation, Pseudotsuga menziesii, season of fire, slash, slash and burn, smoke management, statistical analysis, Tsuga heterophylla, Washington, woody fuels
[no description entered]
Person:
Year: 1987
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Fire History, Fuels, Models
Region(s): Eastern, Rocky Mountain
Keywords: bibliographies, C - carbon, charcoal, community ecology, conifers, disturbance, ecosystem dynamics, erosion, fire regimes, fire size, fossils, fuel types, habitat types, humus, hydrology, lakes, Maine, microclimate, Minnesota, New England, paleoecology, pollen, sampling, sedimentation, soils, South Dakota, statistical analysis, water, wind
Three months after wildfire (Nov. 1989), we tagged 5 resprouts, 20 seedlings and 5 adults of Rhus laurina in the Santa Monica Mountains of California. Seedlings and resprouts were intermixed; adults were adjacent the burn site (stand age 15 years). The lowest midday leaf water…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin
Keywords: age classes, C - carbon, chaparral, chemistry, gases, leaves, mountains, photosynthesis, plant growth, post fire recovery, resprouting, Rhus, Rhus laurina, seedlings, shrubs, southern California, water, wildfires
Airborne measurements of 13 trace gases from seven forest fires in North America are used to determine their average emission factors. The emission factors are then used to estimate the contributions of biomass ubrning to the worldwide fluxes of these gases. The estimate for NH3…
Person:
Year: 1990
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): California, Great Basin, Northwest, International
Keywords: Adenostoma, air quality, Artemisia arbuscula, Betula, biomass, brush, Canada, C - carbon, carbon dioxide, chaparral, combustion, coniferous forests, fuel types, gases, Ontario, Oregon, particulates, Picea mariana, pine, Pinus banksiana, pollution, Populus, Pseudotsuga menziesii, Rhus, sampling, statistical analysis, Tsuga, wildfires, woody plants
[no description entered]
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, C - carbon, carbon dioxide, CO - carbon monoxide, chemistry, combustion, decay, flammability, fuel moisture, fuel types, gases, hydrogen, ignition, statistical analysis, temperature, Washington, wildfires, wood
Climate, vegetation, and fire are interrelated so that any change in one will affect the others. Increases in greenhouse gases, especially carbon dioxide, are expected to increase average surface temperatures and alter precipitation patterns. These changes will alter numerous…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fuels, Hazard and Risk, Models, Weather
Region(s): Rocky Mountain
Keywords: agriculture, air quality, biogeochemical cycles, biogeography, biomass, C - carbon, carbon dioxide, chemistry, community ecology, competition, coniferous forests, deserts, distribution, ecosystem dynamics, energy, fire danger rating, fire frequency, fire regimes, fuel types, gases, climate change, nutrient cycling, particulates, pine forests, Pinus albicaulis, Pinus contorta, plant communities, plant growth, population ecology, precipitation, Pseudotsuga menziesii, radiation, rainforests, season of fire, shrublands, slash and burn, species diversity (plants), temperature, water, wildfires
This report describes the methodology used to develop emission factors for particulates, carbon monoxide and hydrocarbons from the burning of street tree leaves. This project was an outgrowth of one carried out for the State of Illinois where leaves from only three species were…
Person:
Year: 1976
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): California, Great Basin
Keywords: Aesculus hippocastanum, air quality, C - carbon, CO - carbon monoxide, eucalyptus, firing techniques, Fraxinus, Fraxinus nigra, fuel moisture, hydrocarbons, ignition, Illinois, leaves, Liquidambar styraciflua, Liriodendron tulipifera, Magnoliaceae, particulates, Platanus, pollution, Populus deltoides, Robinia pseudoacacia, sampling, Ulmus americana
Peat cores collected from two locations in eastern North Carolina (NC, USA) were burned in a laboratory facility to characterize emissions during simulated field combustion. Particle and gas samples were analyzed to quantify emission factors for particulate matter (PM2.5),…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Southern
Keywords: gas emissions, particle emissions, peat, North Carolina, laboratory fires, PCDD - polychlorinated dibenzo-p-dioxins, PCDF - polychlorinated dibenzofurans, PAH - polycyclic aromatic hydrocarbons, PM2.5, CO - carbon monoxide, C - carbon
To characterize the impact of the October 2007 wildfires on the air quality of Los Angeles, integrated ambient particulate matter (PM) samples were collected near the University of Southern California between October 24 and November 14, 2007. Samples were analyzed for different…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: air quality, biomass burning, C - carbon, combustion, fire management, Foehn winds, gases, hydrocarbons, Mediterranean habitats, O - oxygen, particulates, PM - particulate matter, pollution, K - potassium, smoke management, wildfires, organic carbon
A series of wildfires in northern Quebec, early July 2002, and in southern Quebec, late May 2010, resulted in severe air pollution downwind. Downwind exposures were investigated to estimate the impact on outdoor and indoor environments. The plumes derived from the wildfires…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): Eastern, International
Keywords: wildfires, ozone, PM2.5, indoor air quality, downwind effect, exposure, Canada, Quebec, plumes, fire case histories, air quality, C - carbon, chlorine, particulates, pollution, K - potassium, wind, fire management, forest management, smoke management
Burning of agricultural waste residue is a common method of disposal when preparing land following crop harvest. This practice introduces volatile organic compounds, including polycyclic aromatic hydrocarbons (PAHs), into the atmosphere. This study examines the particle size…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels
Region(s): California
Keywords: PAH - polycyclic aromatic hydrocarbons, particle size, distribution, agricultural burning, emission factors, biofuel, C - carbon, chemical compounds, combustion, cropland fires, fire management, fuel loading, hydrocarbons, particulates, smoke management, statistical analysis, temperature
Climate Change Implications for Wildfire in Alaska presented by Randi Jandt. This webinar was part of a series hosted by the Alaska Natural Resource and Outdoor Education (ANROE) Association titled "Fire in a Changing Climate for Educators." ANROE provided workshops during the…
Person: Jandt
Year: 2016
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence
Region(s): Alaska
Keywords: climate change, fire season, feathermoss, air temperature, fire size, acres burned, precipitation, rainfall, lightning, annual area burned, fire-on-fire interaction, vegetation change, permafrost, C - carbon, air quality, boreal forest