Skip to main content

Displaying 4226 - 4250 of 5837

The concentrations of CO2 and other greenhouse gases in the atmosphere have been increasing and greatly affecting global climate and socio-economic systems. Actively growing forests are generally considered to be a major carbon sink, but forest wildfires lead to large releases…
Person:
Year: 2011
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Great Basin
Keywords: biomass, carbon, carbon dioxide, cover, cover type, distribution, disturbance, elevation, FIA, fire intensity, fire management, fire size, forest inventory and analysis, forest management, gases, climate change, greenhouse gases, LANDFIRE, national parks, remote sensing, sampling, Utah, vegetation surveys, wildfires, spectral vegetation indicator, burn severity, regression tree model, carbon emissions

The boreal region stores a large proportion of the world's terrestrial carbon (C) and is subject to high-intensity, stand-replacing wildfires that release C and nitrogen (N) stored in biomass and soils through combustion. While severity and extent of fires drives overall…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): Alaska, Great Basin, Northwest
Keywords: air quality, biomass, black spruce, boreal forests, carbon, catastrophic fires, combustion, diameter classes, fire intensity, fire management, forest management, forest types, nitrogen, organic soils, Picea, Picea mariana, roots, soil management, soil nutrients, soil organic matter, soils, spruce, stand characteristics, surface fuels, trees, wildfires, adventitious roots, allometric equations, black spruce, carbon emissions, forest fire, nitrogen, organic layer depth, Picea mariana, soil carbon, surface fuel consumption

Prescribed fires can be used as a forest management tool to reduce the severity of wildfires. Thus, over prolonged and repeated periods, firefighters are exposed to toxic air contaminants. This work consisted in collecting and analyzing smoke released by typical Mediterranean…
Person:
Year: 2010
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Prevention, Fuels, Prescribed Fire
Region(s): International
Keywords: chemical compounds, Corsica, Europe, fire intensity, fire management, firefighting personnel, forest management, France, fuel loading, health factors, hydrocarbons, pine forests, sampling, smoke effects, smoke management, toxicity, wildfires, wind, air quality, BTEXs, firefighter exposure, forest fire smoke, SVOC - semi-volatile organic compounds, VOC - volatile organic compounds, Mediterranean, firefighter health

Fine (PM2.5) and coarse (PM2.5-10) smoke particles from controlled biomass burnings of a shrub-dominated forest in Lousa Mountain, Portugal, enabled the quantification by chromatographic techniques of several molecular tracers for the combustion of Mediterranean forest…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): International
Keywords: aerosols, air quality, biomass, biomass burning, carbon, cellulose, combustion, ecosystem dynamics, Europe, experimental fires, fire management, hydrocarbons, lignin, Mediterranean habitats, particulates, Portugal, shrubs, smoke management, wildfires, forest fires, smoke particles, OC, organic speciation, tracers

Gaseous and particulate samples from the smoke from prescribed burnings of a shrub-dominated forest with some pine trees in Lousa Mountain, Portugal, in May 2008, have been collected. From the gas phase Fourier transform infrared (FTIR) measurements, an average modified…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): International
Keywords: aerosols, air quality, biomass, biomass burning, carbon, carbon dioxide, chemical elements, combustion, Europe, experimental fires, fire management, fuel loading, fuel moisture, particulates, pine, Portugal, season of fire, shrublands, shrubs, smoke effects, smoke management, trees, tropical forests, wildfires, forest fires, greenhouse gas emissions, particulate emissions, organic and elemental carbon, chemical elements, water-soluble ions

The impact of smoke from forest burning on air quality is a threat to the use of prescribed fire to manage woodlands in the eastern United States. Population shifts from urban centers to the wildland/urban interface have increased human exposures to smoke. Tighter national…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Weather, Wildland-Urban Interface (WUI)
Region(s): Eastern, Southern
Keywords: air quality, fire management, forest management, fuel loading, land management, oak, particulates, Piedmont, pine hardwood forests, pine, Pinus, Quercus, smoke effects, smoke management, wildfires, wind

From the text ... 'Today, land managers use controlled or 'prescribed' burning to improve wildlife habitat and reduce the risk of dangerous fires. Wildfire, on the other hand, can threaten life and property of both people and wildlife especially when it occurs with little notice…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire, Safety, Weather, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: air temperature, ecosystem dynamics, fire frequency, fire management, fire size, firebreaks, firefighting personnel, forest management, humidity, lightning caused fires, smoke management, soil moisture, wildfires, wildlife, wind

From the text ... 'Smoke from wild and prescribed fire has been an increasing concern in public health and safety over the last few decades. The Georgia Forestry Commission (GFC) encourages safe use of fire on firest lands in Georgia and provides a number of smoke management…
Person:
Year: 2009
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Safety, Weather
Region(s): Southern
Keywords: air quality, fire management, forest management, fuel loading, fuel types, Georgia, smoke management, understory vegetation, wildfires, wind

On the morning of 2 June 2002, an abandoned campfire grew into a wildfire in the Double Trouble State Park in east-central New Jersey, USA. The wildfire burned 526 ha (1300 acres) and forced the closure of the Garden State Parkway for several hours due to dense smoke. In…
Person:
Year: 2010
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Weather, Wildland-Urban Interface (WUI)
Region(s): Eastern
Keywords: air temperature, backfires, dead fuels, evolution, fire case histories, fire control, fire damage (property), fire growth, fire management, fire size, fire suppression, fuel moisture, humidity, New Jersey, rate of spread, recreation related fires, state parks, statistical analysis, wildfires, wind, fire-weather forecasting, Double Trouble State Park, meteorological factors

From the Foreword ... 'This conference proceedings is also the best evidence of a grand, energetic conversation that the fires of 1988 launched. Among these many voices you will hear a tale much more complex than the saga of 1988 first revealed. It takes time to stand back far…
Person:
Year: 2009
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Prescribed Fire, Weather
Region(s): Rocky Mountain, International
Keywords: air quality, Australia, Canada, carbon, charcoal, crown scorch, education, fire case histories, fire injuries (animals), fire injuries (plants), fire intensity, fire management, fire regimes, fire suppression, flame length, fuel management, fuel types, insects, landscape ecology, Mexico, mortality, national parks, nutrient cycling, overstory, public information, remote sensing, smoke management, wildfires, wildlife habitat management, Wyoming, Yellowstone National Park

It is expected that elevated CO2 levels may have an important positive effect on the dominance of woody plants over grasses in savannas and grasslands. I propose that these changes in the relative abundance of trees and shrubs over grasses may be explained by Tilman's resource…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Models
Region(s): International
Keywords: Africa, carbon, carbon dioxide, elevation, fire management, grasses, grasslands, grazing, herbivory, invasive species, range management, roots, savannas, shrubs, soil moisture, South Africa, trees, wildfires, woody plants, shrub encroachment, bush, C3 and C4 plants, savanna, tree-grass ratios

A process-based fire regime model (SPITFIRE) has been developed, coupled with ecosystem dynamics in the LPJ Dynamic Global Vegetation Model, and used to explore fire regimes and the current impact of fire on the terrestrial carbon cycle and associated emissions of trace…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, biomass, biomass burning, carbon, ecosystem dynamics, ENSO, fire management, fire regimes, fuel loading, fuel management, gases, precipitation, rate of spread

A survey of the biodiversity of wild macrofungi, including edible species yields, was carried out from 1 May to 30 September 2007 at four different forest types (in mainly Miang tea forest). The plots 100 m2, comprised a tea garden with a few planted canopy tree species (37.2%…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects
Region(s): International
Keywords: agriculture, Asia, cover, fire injuries (plants), fire management, forest management, forest types, fungi, humidity, litter, overstory, Thailand, trees, wildfires, Basidiomycetes, burning, diversity, sustainable forestry, Thailand

An understanding of soil seed bank processes is crucial for understanding vegetation dynamics, particularly in ecosystems experiencing frequent disturbance. This paper examines seed bank dynamics in a tropical savanna in northern Australia, an environment characterised by…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): International
Keywords: Australia, disturbance, experimental fires, fire frequency, fire management, forbs, forest management, grasses, heat, legumes, Northern Territory of Australia, population density, precipitation, savannas, seed dormancy, seed germination, seedlings, seeds, soil temperature, species diversity (plants), sprouting, temperature, tropical forests, vegetation surveys, wildfires, seed bank, grass-layer, germination

A series of smoke plumes was detected in Helsinki, Finland, during a one-month-lasting period in August 2006. The smoke plumes originated from wildfires close to Finland, and they were short-term and had a high particulate matter (PM) concentration. Physical and chemical…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Intelligence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: aerosols, air quality, biomass, biomass burning, boreal forests, carbon, Europe, Finland, fire management, organic matter, particulates, K - potassium, remote sensing, size classes, smoke behavior, smoke effects, smoke management, wildfires, PM1, biomass burning, high-time-resolution observation, chemical characterisation, size distribution

• Background and Aims The role of fire as a germination cue for Mediterranean Basin (MB) plants is still unclear. The current idea is that heat stimulates germination mainly in Cistaceae and Fabaceae and that smoke has a limited role as a post-fire germination cue, in comparison…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models
Region(s): International
Keywords: Ericaceae, Europe, experimental areas, Fabaceae, fire management, germination, heat, heat effects, Mediterranean habitats, plant communities, plant growth, post fire recovery, seed germination, seedlings, seeds, shrublands, smoke effects, smoke management, Spain, woody plants, post-fire germination, heat treatments, Mediterranean basin, smoke treatments, seedling growth, Cistaceae, Fabaceae, Ericaceae, Lamiaceae, Linaceae, Scrophulariaceae , Primulaceae

A new dataset of emissions of trace gases and particles resulting from biomass burning has been developed for the historical and the recent period (1900-2005). The purpose of this work is to provide a consistent gridded emissions dataset of atmospheric chemical species from 1900…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, biomass, biomass burning, boreal forests, carbon dioxide, cover, ENSO, fire management, gases, mosaic, particulates, remote sensing, savannas, tropical forests, wildfires, climate change, gases, particles, biomass burning, burnt areas, historical, satellite

Fire is an integral Earth System process that interacts with climate in multiple ways. Here we assessed the parametrization of fires in the Community Land Model (CLM-CN) and improved the ability of the model to reproduce contemporary global patterns of burned areas and fire…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, Africa, air quality, carbon, deforestation, fire intensity, fire management, fire regimes, fire size, fire suppression, fuel loading, ignition, land management, land use, population density, remote sensing, season of fire, South America, suppression, wildfires, wood

Atmospheric CO2 has more than doubled since the last glacial maximum (LGM) and could double again within this century, largely due to anthropogenic activity. It has been suggested that low [CO2] contributed to reduced tree cover in savanna and grassland biomes at LGM, and that…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fuels
Region(s): International
Keywords: Acacia spp., Acacia karroo, Acacia nilotica, Africa, Australia, carbon, carbon dioxide, cover, disturbance, ecosystem dynamics, fire frequency, fire injuries (plants), fire intensity, fire management, fire regimes, flame length, forest management, grasses, grasslands, herbivory, photosynthesis, plant growth, resprouting, roots, savannas, seedlings, Themeda, Themeda triandra, trees, wildfires, woody plants, elevated CO2, Last Glacial Maximum, root, savanna, starch

Mill residues from forest industries are the source for most of the current wood-based energy in the US, approximately 2.1% of the nation's energy use in 2007. Forest residues from silvicultural treatments, which include limbs, tops, and small non-commercial trees removed for…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): Northern Rockies
Keywords: air quality, biomass, carbon, carbon dioxide, energy, fire management, fire suppression, forest management, fuel management, greenhouse gases, ladder fuels, litter, logging, CH4 - methane, Montana, national forests, Selway-Bitterroot Wilderness Areas, slash, thinning, trees, vegetation surveys, biomass energy, bioenergy, carbon emissions, greenhouse gases, GHG, logging residues, woody biomass, forestry

Biomass burning is one of many sources of particulate pollution in Southeast Asia, but its irregular spatial and temporal patterns mean that large episodes can cause acute air quality problems in urban areas. Fires in Sumatra and Borneo during September and October 2006…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire History, Fuels, Models
Region(s): International
Keywords: aerosols, air quality, Asia, biomass, biomass burning, Borneo, fire management, fire size, fuel models, Indonesia, Malaysia, pollution, Singapore, smoke management, Southeast Asia, Sumatra, urban habitats, wildfires, biomass burning, Malaysia, Indonesia, Singapore, aerosol, aerosol transport modeling, aerosol modeling, emissions modeling, smoke emissions, Sumatra, Borneo

Long term, high quality estimates of burned area are needed for improving both prognostic and diagnostic fire emissions models and for assessing feedbacks between fire and the climate system. We developed global, monthly burned area estimates aggregated to 0.5º spatial…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire History, Intelligence, Mapping, Monitoring and Inventory, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, fire management, fire scar analysis, fire size, gases, remote sensing, statistical analysis, trees

This review compiled the data from recent actual and simulation studies on toxic emissions from open burning and categorized into sources, broadly as biomass and anthropogenic fuels. Emission factors, in mass of pollutant per mass of material being burned, and actual…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels
Region(s): International
Keywords: air quality, Asia, biomass, biomass burning, charcoal, combustion, cropland fires, fire danger rating, fire management, fuel management, human caused fires, hydrocarbons, incendiary fires, Japan, land management, particulates, recreation related fires, smoke effects, toxicity, water, wildfires, open burning, PAH - polycyclic aromatic hydrocarbons, particulate matter, PCDD - polychlorinated dibenzo-p-dioxins, Fs, toxic emissions

Smoke generated by burning of plant materials has widely been recognized as a germination cue for some species from both fire prone and fire-free ecosystems. It is an important factor for the understanding of vegetation dynamics and could have potential use for ecological…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Prescribed Fire
Region(s): International
Keywords: aerosols, Africa, Borreria, Burkina Faso, ecosystem dynamics, fire management, fire regimes, forbs, germination, grasses, heat, heat effects, herbaceous vegetation, native species (plants), seed dispersal, seed germination, seeds, smoke effects, smoke management, temperature, vegetation surveys, forbs, native grasses, fire-related cues, propagation by seeds, West Africa

We used satellite-derived estimates of global fire emissions and a chemical transport model to estimate atmospheric nitrogen (N) fluxes from savanna and deforestation fires in tropical ecosystems. N emissions and reactive N deposition led to a net transport of N equatorward,…
Person:
Year: 2010
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire, Restoration and Rehabilitation
Region(s): International
Keywords: Africa, agriculture, air quality, Amazon, Asia, biomass, biomass burning, carbon, combustion, Congo, deforestation, ecosystem dynamics, fire frequency, fire management, forest management, fuel management, human caused fires, nitrogen, remote sensing, savannas, slash, slash and burn, soils, South America, Southeast Asia, tropical forests, volatilization, wildfires, atmospheric transport, biomass burning, global carbon cycle, Hadley circulation, nitrogen limitation, pyrodenitrification