Type
Topic
Region
Year
Displaying 5651 - 5675 of 5842
Forest ecosystems are enormously important to mankind. They not only supply wood, foods, medicines, waxes, oils, gums, resins and tannins, but they also regulate climate, hydrology, mineral cycling, soil erosion, and cleansing of air and water. A variety of natural and human-…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Models, Restoration and Rehabilitation
Region(s): Eastern, Southern, International
Keywords: Abies balsamea, Acer saccharum, agriculture, air quality, arthropods, ash, Asia, Asimina, Australia, Betula alleghaniensis, bibliographies, Canada, Carya cordiformis, cover type conversion, deforestation, diseases, disturbance, ecosystem dynamics, erosion, fire injuries (plants), fire management, floods, forest management, climate change, habitat conversion, hardwood forests, heat, human caused fires, hydrology, Ilex glabra, insects, Korea, land use, mortality, New Zealand, N - nitrogen, Ontario, photosynthesis, Picea mariana, pine forests, pine hardwood forests, Pinus banksiana, Pinus elliottii, Pinus halepensis, Pinus palustris, Pinus radiata, Pinus resinosa, Pinus rigida, Pinus taeda, plant diseases, plant growth, plantations, pollution, Populus tremuloides, post fire recovery, precipitation, Quercus rubra, Quercus stellata, resins, Rhus typhina, runoff, seed germination, slash and burn, soil erosion, soils, species diversity (plants), succession, temperature, thinning, trees, tropical forests, understory vegetation, water, water quality, wildfires, wind, Wisconsin, wood, woody plants, acid rain, agroforestry, biocide, biodiversity, deforestation, ecosystem, flooding, forest decline, genetic engineering, global warming, greenhouse gas, plantations, natural forests, nitrogen saturation, phytotron, pollution, remote sensing, salinity, soil compaction, slash-and-burn agriculture
From the text...'In the Lake Tahoe Basin, organizations and individuals are leveraging the community's high interest in lake clarity and fire danger to construct complex, dynamic models for adaptive management. Models show citizens how the ecosystem works so that they can make…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Hazard and Risk, Models, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: air quality, algae, calcium, coniferous forests, ecosystem dynamics, education, erosion, fire hazard reduction, fire management, firebrands, forest management, fuel management, lakes, land use, Nevada, N - nitrogen, nutrients, phosphorus, plant growth, runoff, sedimentation, smoke behavior, smoke effects, smoke management, state parks, US Forest Service, urban habitats, water quality, watershed management
1 Smoke-stimulated germination in the post-fire flora of California chaparral does not appear to be triggered by nitrate. Application of freshly prepared unbuffered KNO³ solutions (pH c. 6.2) failed to enhance germination of five populations of Emmenanthe penduliflora or one…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin
Keywords: Adenostoma fasciculatum, annual plants, biomass, chaparral, char, chemical compounds, Emmenanthe penduliflora, fire dependent species, gases, germination, laboratory fires, light, N - nitrogen, O - oxygen, pH, Phacelia grandiflora, plant physiology, range management, seed dormancy, seed germination, seeds, smoke effects, S - sulfur, water
Fire is an important ecological factor influencing the structure and function of longleaf pine ecosystems, including forest floor and groundcover nutrient pools and availability, forest to atmosphere interactions, and potential nutrient controls on productivity. However, little…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: air quality, biomass, burning intervals, coastal plain, conservation, fire frequency, fire intensity, forest management, fuel accumulation, fuel loading, Georgia, ground cover, legumes, litter, longleaf pine, N - nitrogen, nutrient cycling, nutrients, phosphorus, pine forests, Pinus palustris, season of fire, temperature, wildfires
Global annual NO emissions from soil are of the order of 10 Tg NO-N. This is about half the amount fossil fuel combustion processes contribute to the annual global NOx budget. Reducing the emissions of soil derived NOx requires an understanding of the source of the flux and the…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Africa, agriculture, air quality, Asia, Central America, chaparral, combustion, Europe, land management, land use, N - nitrogen, nutrient cycling, savannas, slash and burn, soil management, soil nutrients, soil temperature, soils, South America, temperature, water, wildfires
Biomass burning is a major source of emissions to the atmosphere. Some of these emissions may change global climate. This paper uses combustion efficiency as an independent variable for predicting emission factors for, among others, carbon monoxide, carbon dioxide, methane, and…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire History, Fuels, Models, Prescribed Fire
Region(s): California, Great Basin, Northwest
Keywords: air quality, ash, biomass, C - carbon, carbon dioxide, CO - carbon monoxide, chaparral, chemical elements, combustion, ecosystem dynamics, fire management, gases, climate change, CH4 - methane, N - nitrogen, Oregon, smoke effects, statistical analysis, wildfires
From the Conclusion ... 'An ecological review on air pollution as a whole, and in particular the relationship of control burning to such possible pollution warrants the following conclusions: (1) In spite of the tremendous amounts of pollutant materials released into the…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire History, Intelligence, Outreach, Prescribed Fire, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, bibliographies, C - carbon, carbon dioxide, CO - carbon monoxide, education, gases, histories, lightning, lightning caused fires, national forests, N - nitrogen, particulates, pollution, public information, smoke management, US Forest Service, urban habitats, wildfires, wildlife, wildlife management
Although bush fires have been common in Australia for many thousands of years (cf. for example, Bermingham, Packham, and Vines, 1971) little is known about the smoke they produce. However, if the practice of prescribed burning - already employed as a routine method of reducing…
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Prescribed Fire
Region(s): International
Keywords: air quality, ash, Australia, brush, Eucalyptus marginata, fire hazard reduction, fire intensity, gases, jarrah, light, Mediterranean habitats, N - nitrogen, particulates, smoke behavior, smoke effects, smoke management, soot, vines, western Australia
Flexible polyurethane foams that are char formers are capable of smoldering combustion. The smoldering process is an oxygen-limited, heterogenous oxidation process that slowly transforms the foam to a brittle, black replica of itself; for the foam examined here, the resultant…
Person:
Year: 1980
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Models
Region(s): Eastern
Keywords: char, chemistry, combustion, computer programs, convection, energy, foam, gases, heat, ignition, New England, New Jersey, N - nitrogen, radiation, smoke behavior, temperature
'Two studies were undertaken. An initial study in 1974 produced results that indicated significant losses of nitrogen and some other elements. The study was repeated 1981 as a check on the results of the 1974 burn, and to provide an assessment of the methods used in the first…
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Acer macrophyllum, air quality, Alnus rubra, Betula papyrifera, biomass, British Columbia, calcium, Canada, chemical elements, clearcutting, combustion, ecosystem dynamics, forest management, fuel management, laboratory fires, magnesium, N - nitrogen, nutrient cycling, particulates, phosphorus, pine hardwood forests, Pinus ponderosa, Pinus radiata, Populus trichocarpa, K - potassium, Pseudotsuga menziesii, sampling, slash, soils, Thuja plicata, Tsuga heterophylla
The report describes the second year of a continuing study to determine the distribution and fate of nitrogen oxides in the atmosphere. Analytical methods developed in the first year were refined and validated and results from the first year study were reexamined with the aid of…
Person:
Year: 1976
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California, Eastern, Great Basin
Keywords: aerosols, air quality, chemistry, combustion chambers, distribution, gases, humidity, laboratory fires, Missouri, New York, N - nitrogen, ozone, particulates, pollution, smoke effects, smoke management, southern California, temperature, urban habitats, wind
The nitrogen-containing products of smog chamber reactions have been the subject of much controversy. Concern has arisen over nitrogen products because of the almost universally poor nitrogen balance reported for irradiated mixtures of hydrocarbons and nitrogen oxides. Some…
Person:
Year: 1976
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: C - carbon, chemistry, combustion chambers, distribution, extractives, flame length, fuel management, fuel models, gases, humidity, hydrocarbons, laboratory fires, N - nitrogen, ozone, particulates, pollution, temperature
We present estimates of nitrogen oxide (NOx) emission from worldwide biomass burning totaling ~13 Tg N yr-1 on a 1 degree longitude by 1 degree latitude grid. Roughly 80 percent of these emissions occur in the zone from 25N to 25 degrees S. The inventory presented here is…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Africa, air quality, Asia, biomass, croplands, forest types, fuel types, grasslands, N - nitrogen, pollution, precipitation, rainforests, scrub, South America, Southeast Asia, tundra
Fire fighters in Canada's navy must undergo regular training with fires from simulated helicopter crashes. Visible emissions from these fires often create health concerns in surrounding communities. This paper presents air quality implications of plume dispersion associated with…
Person:
Year: 1993
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Canada, C - carbon, CO - carbon monoxide, chemical elements, experimental areas, field experimental fires, fire danger rating, fire suppression, gases, hydrocarbons, hydrogen, N - nitrogen, smoke effects, wind
Prescribed fire is a valuable tool utilized in the management of wildlife habitat, range, forestry, watershed, fuels, and fire dependent vegetation communities. Although most impacts are beneficial, some adverse impacts must be mitigated. Specificially, air quality, water qulity…
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Administration, Aquatic, Aviation, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Logistics, Models, Planning, Prescribed Fire, Social Science, Weather
Region(s): California, Great Basin
Keywords: aerial ignition, air quality, backfires, brush, CO2 - carbon dioxide, CO - carbon monoxide, chaparral, combustion, crown scorch, disturbance, escape cover, fire injuries (animals), fire injuries (plants), fire intensity, fire management, firebreaks, firing techniques, fuel management, headfires, hydrocarbons, land management, low intensity burns, mortality, multiple resource management, N - nitrogen, particulates, plant communities, plant physiology, pollution, post-fire recovery, rate of spread, riparian habitats, runoff, season of fire, sedimentation, site treatments, smoke effects, soil erosion, soil management, soil moisture, soil nutrients, soil organic matter, soils, streamflow, streams, threatened and endangered species (plants), topography, vegetation surveys, vulnerable species or communities, water, water quality, water repellent soils, watershed management, watersheds, wildlife
Fire in a plant community causes alterations in the chemical status of the community and in the availability of nutrients in the soil. These changes have been followed in an experimental study of grassland and tall herb communities on the Carboniferous Limestone of Derbyshire.…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Ecology
Region(s): International
Keywords: Agrostis tenuis, ash, calcium, chemical compounds, chemistry, drainage, Europe, Festuca ovina, Filipendula ulmaria, grasslands, Great Britain, Helictotrichon pratense, herbaceous vegetation, Holcus lanatus, N - nitrogen, nutrient cycling, nutrients, nutrition, phosphorus, plant communities, plant growth, plant nutrients, plant nutrition, post fire recovery, K - potassium, Rumex acetosa, runoff, sampling, soil leaching, soil nutrients, species diversity (plants), statistical analysis, water
Impacts of felling, mulching, and burning on budgets of C, N, S, P, K, Ca, and Mg; rates of CO2 evolution from the soil; soil seed storage; and plant growth were evaluated. The felled tropical evergreen forest was 8-9 yr old, interspersed with patches of 70 yr old forest and had…
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Prescribed Fire, Restoration and Rehabilitation
Region(s): International
Keywords: age classes, ash, biomass, calcium, carbon dioxide, Central America, chemistry, conservation, Costa Rica, decay, deforestation, distribution, ecosystem dynamics, erosion, evergreens, evolution, fire injuries (plants), fire intensity, forest management, fungi, land management, leaching, leaves, litter, logging, magnesium, moisture, mortality, mosaic, N - nitrogen, nutrient cycling, nutrients, old growth forests, pH, phosphorus, plant growth, K - potassium, precipitation, regeneration, sampling, second growth forests, seed dormancy, seeds, site treatments, slash, slash and burn, soil leaching, soil moisture, soil organic matter, soil temperature, soils, species diversity (plants), S - sulfur, surface fuels, temperature, transpiration, trees, tropical forests, volatilization, water, wind
[no description entered]
Person:
Year: 1983
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Models
Region(s): Hawaii, International
Keywords: age classes, air quality, arthropods, bibliographies, biogeography, community ecology, distribution, disturbance, droughts, ecosystem dynamics, eucalyptus, foliage, forest types, fungi, insects, Metrosideros polymorpha, mortality, national parks, New Zealand, N - nitrogen, Nothofagus, overstory, Papua New Guinea, plant communities, plant diseases, plant growth, plant physiology, population ecology, rainforests, regeneration, size classes, small mammals, soil nutrients, species diversity (plants), storms, succession, volcanoes
[no description entered]
Person:
Year: 1990
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Intelligence, Models, Outreach, Prescribed Fire, Social Science
Region(s): Great Basin, Northwest
Keywords: aesthetics, age classes, air quality, biomass, clearcutting, community ecology, coniferous forests, conservation, decay, ecosystem dynamics, education, erosion, experimental areas, forest management, forest types, hardwood forests, litter, logging, moisture, multiple resource management, national forests, N - nitrogen, old growth forests, Oregon, organic matter, overstory, plant growth, pollution, post fire recovery, Pseudotsuga menziesii, public information, runoff, size classes, slash, soil nutrients, soil organic matter, soils, species diversity (plants), state forests, Strix occidentalis, Washington
[no description entered]
Person:
Year: 1972
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): California, Great Basin
Keywords: agriculture, air quality, biomass, decay, experimental areas, fertilization, land management, N - nitrogen, nutrient cycling, Oryza sativa, plant diseases, plant growth, post fire recovery, site treatments, soil nutrients, statistical analysis, Vicia, volatilization
[no description entered]
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: calcium, Calluna vulgaris, fire intensity, heathlands, iron, magnesium, N - nitrogen, nutrient cycling, particulates, phosphorus, plant nutrients, K - potassium, volatilization, zinc
[no description entered]
Person:
Year: 1975
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): Southern
Keywords: air quality, laboratory fires, litter, needles, N - nitrogen, nutrient cycling, nutrients, particulates, pine, Pinus palustris, South Carolina, volatilization
[no description entered]
Person:
Year: 1970
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Southern
Keywords: gases, light, litter, needles, N - nitrogen, nutrient cycling, pine, Pinus taeda, soil nutrients, volatilization
[no description entered]
Person:
Year: 1989
Type: Document
Source: TTRS
Topic(s): Aquatic, Climate, Emissions and Smoke, Fire Ecology, Fuels, Mapping, Planning
Region(s): Rocky Mountain
Keywords: ash, bibliographies, chemistry, community ecology, crown fires, disturbance, ecosystem dynamics, erosion, fire case histories, fire intensity, fire management, fishes, floods, fuel moisture, grasslands, habitat types, hydrology, lakes, landscape ecology, litter, logging, mortality, mosaic, multiple resource management, N - nitrogen, nutrient cycling, organic matter, overstory, post fire recovery, recreation, regeneration, riparian habitats, runoff, scrub, sedimentation, smoke effects, statistical analysis, streamflow, streams, succession, topography, water quality, watersheds, wildfires, wildlife, woody plants, Wyoming, Yellowstone National Park
[no description entered]
Person:
Year: 1981
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, chemistry, elevation, gases, hydrocarbons, logging, mountains, N - nitrogen, ozone, particulates, pollution, post fire recovery, rural communities, sampling, slash, smoke behavior, smoke effects, statistical analysis, temperature, Washington, wilderness areas, wildfires, wind