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Reactive nitrogen (Nr) within smoke plumes plays important roles in the production of ozone, the formation of secondary aerosols, and deposition of fixed N to ecosystems. The Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen (WE‐CAN) field…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfire smoke, reactive nitrogen, NO - nitrogen oxide, ammonia, air quality

Particulate pollution is a continual problem which is usually caused by the burning of crop residues in highland agricultural systems. The objectives of this study are to investigate crop-residue management and estimate the amount of pollutant emissions from burning crop…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Thailand, maize, crop residues, farming, PM2.5, PM - particulate matter, air pollution, greenhouse gas emissions

Past studies suggest that forest fires contribute significantly to the formation of ozone in the troposphere. However, the emissions of ozone precursors from wildfires, and the mechanisms involved in ozone production from boreal fires, are very complicated. Moreover, an…
Person:
Year: 2015
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Intelligence
Region(s): Alaska, International
Keywords: biomass burning, wildfires, air quality, ozone, resprouting, Russia, Siberia, Asia, fire management, forest management, boreal forests

Detailed airborne measurements of smoke plumes from seven prescribed burns of forest biomass residues leftover from timber harvests in Washington and Oregon are described. Measurements of particle size distributions in the plumes at ~3.3 km downwind of the burns showed a…
Person:
Year: 1990
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Northwest
Keywords: FERA - Fire and Environmental Research Applications Team, Oregon, smoke characterization, smoke management, Washington, airborne measurements

Biomass burning is an important source of many trace gases in the global troposphere. We have constructed an airborne trace gas measurement system consisting of a Fourier transform infrared spectrometer (FTIR) coupled to a flow-through multipass cell (AFTIR) and installed it on…
Person:
Year: 1999
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence, Prescribed Fire
Region(s): Southern
Keywords: North Carolina, AFTIR - airborne Fourier transform infrared spectroscopy, trace gas emissions, biomass burning, troposphere, experimental fire, fuel loading, wildfires, air quality, gases, GPS - global positioning system, military lands, fire management, forest management, smoke management, SFP - Southern Fire Portal

Wildfires are a major threat to the environment and human populations. Every year, 700,000 hectares of forest are burnt in Europe, and particularly in the Mediterranean area where Corsica is affected with its 550,000 hectares of forests. Among the threats induced by forest fires…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: aerosols, wood, thermoplastic, decking slabs, France, firefighting, cone calorimeter

A modeling framework has been developed to examine the spatial and temporal aspects of biomass burning emissions from southern African savanna fires. The complexity of the fire emissions processes is described using a spatially and temporally explicit model that integrates…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Intelligence
Region(s): International
Keywords: biomass burning, fuel loading, fuel moisture, air quality, cover, gases, remote sensing, statistical analysis, Angola, Botswana, Democratic Republic of Congo, Kenya, Lesotho, Mozambique, Namibia, South Africa, Swaziland, Tanzania, Zambia, Zimbabwe, Africa, fire management, forest management, fuel management, grasslands, savannas, African savannas, biomass burning, OVOC - oxygenated volatile organic compounds, seasonal trace gas emissions, sensitivity analysis

The emission of mercury from biomass burning was investigated in laboratory experiments and the results confirmed in airborne measurements on a wildfire near Hearst, Ont. Mercury contained in vegetation (live, dead, coniferous, deciduous) was essentially completely released in…
Person:
Year: 2003
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, National
Keywords: Acer, Adenostoma fasciculatum, air quality, biomass, Ceanothus crassifolius, chemistry, conifers, Connecticut, deciduous forests, fire management, flammability, Florida, forest management, fuel accumulation, fuel management, hardwood forests, Idaho, Ilex glabra, litter, Montana, national forests, needles, pine forests, Pinus elliottii, Pinus monticola, Pinus palustris, Pinus ponderosa, Pinus strobus, pollution, Pseudotsuga menziesii, sampling, smoke management, South Carolina, statistical analysis, Thuja plicata, Tsuga heterophylla, Washington, wildfires

Polycyclic aromatic hydrocarbons (PAHs) are formed by the incomplete combustion of fossil fuels and forest or biomass burning. PAHs undergo long-range atmospheric transport, as evidenced by in situ observations across the Arctic. However, monitored atmospheric concentrations of…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: PAH - polycyclic aromatic hydrocarbons, BaP - benzo(a)pyrene, biomass burning, source apportionment, boreal forest, MODIS - Moderate Resolution Imaging Spectroradiometer, Russia, Arctic

Emissions of atmospheric pollutants from vegetation fires can greatly affect local and regional air quality. The near real-time information on the magnitude of fires, the amount of pollutants emitted, and their impact on air quality is critical to fire managers* decisions to…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire History, Intelligence, Mapping, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Africa, air quality, carbon, CO - carbon monoxide, combustion, digital data collection, experimental fires, field experimental fires, fire management, fire regimes, Idaho, JFSP - Joint Fire Science Program, moisture, overstory, pollution, remote sensing, understory vegetation, AVHRR - Advanced Very High Resolution Radiometer, NASA EOS

Ontario has made a commitment to reduce its greenhouse gas (GHG) emissions by 15, 37, and 80% below 1990 levels by 2020, 2030, and 2050, respectively. Ontario's forest managers can contribute to meeting these targets by implementing changes to forestry practices that either…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: slash piles, Ontario, Canada, forest management, harvest residue, decay, avoided emissions, greenhouse gas emissions

Boreal fires can cool the climate; however, this conclusion came from individual fires and may not represent the whole story. We hypothesize that the climatic impact of boreal fires depends on local landscape heterogeneity such as burn severity, prefire vegetation type, and soil…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Alaska
Keywords: greenhouse gases, aerosols, boreal forest, radiative forcing, remote sensing

A modeling framework has been developed to examine the spatial and temporal aspects of biomass burning emissions from southern African savanna fires. The complexity of the fire emissions processes is described using a spatially and temporally explicit model that integrates…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: savannas, VOC - volatile organic compounds, Africa, trace gas emissions, biomass burning, sensitivity analysis

Forest fires are a major contributor of gaseous and particulate compounds to the atmosphere, impairing air quality and affecting human health. A new forest fire emissions module was developed and integrated into the European Forest Fire Information System (EFFIS), which…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence, Models, Fuels
Region(s): International
Keywords: fire case histories, fire intensity, fire size, fuel loading, fuel moisture, wildfires, air quality, gases, humidity, overstory, particulates, pollution, precipitation, remote sensing, temperature, Portugal, Europe, fire management, forest management, smoke management, forest aires, burnt area, gas and particulate pollutants, air quality

We measured stable and reactive trace gases with an airborne Fourier transform infrared spectrometer (AFTIR) on the University of Washington Convair-580 research aircraft in August/September 2000 during the SAFARI 2000 dry season campaign in Southern Africa. The measurements…
Person:
Year: 2003
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Africa, AFTIR - airborne Fourier transform infrared spectroscopy, biomass burning, OVOC - oxygenated volatile organic compounds, savanna fires, cloud chemistry, photochemistry

As a source of atmospheric carbon, biomass burning emissions associated with deforestation in the Amazon are globally significant. Once deforested, these lands continue to be sources of substantial burning emissions for many years due to frequent pasture burning. The objective…
Person:
Year: 2004
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): International
Keywords: carbon, land use, Amazon, Brazil, Rondonia, trace gas emissions, regenerating forest, biomass burning, land-cover change, pasture, primary forest

We adopt a working definition of residual smoldering combustion (RSC) as biomass combustion that produces emissions that are not lofted by strong fire-induced convection. RSC emissions can be produced for up to several weeks after the passage of a flame front and they are mostly…
Person:
Year: 2003
Type: Document
Source: FRAMES
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: particles, smoldering combustion, trace gas emissions, biomass burning

Wildfires in humid tropical forests have become more common in recent years, increasing the rates of tree mortality in forests that have not co-evolved with fire. Estimating carbon emissions from these wildfires is complex. Current approaches rely on estimates of committed…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Amazon, Brazil, CO2 - carbon dioxide, vegetation growth, stem mortality, tree mortality

Vegetation fires emit large amounts of nitrogen compounds in the atmosphere, including ammonia (NH3). These emissions are still subject to large uncertainties. In this study, we analyze time series of monthly NH3 total columns (molec cm-2) from the IASI sounder on board MetOp-A…
Person:
Year: 2015
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence
Region(s): International
Keywords: biomass burning, wildfires, Africa, Asia, South America, air quality, nitrogen, remote sensing, vegetation surveys, fire management, forest management, smoke management, Ammonia Emissions, vegetation fires, FRP - Fire Radiative Power, Biomass Burning Emission Inventories, GFEDv3.1, GFASv1.0

Background: The increasing size and frequency of wildland fires are leading to greater potential for cardiopulmonary disease and cancer in exposed populations; however, little is known about how the types of fuel and combustion phases affect these adverse outcomes. Objectives:…
Person:
Year: 2018
Type: Document
Source: FRAMES
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: PM - particulate matter, flaming, smoldering, cancer, public health, lung diseases

Contemporary human activities such as tropical deforestation. Land clearing for agriculture, pest control and grassland management lead to biomass burning, which in turn leads to land-cover changes. However, biomass burning emissions are not correctly measured and the methods to…
Person:
Year: 2009
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fuels, Intelligence, Mapping, Monitoring and Inventory, Restoration and Rehabilitation
Region(s): International
Keywords: aerosols, agriculture, air quality, biomass, biomass burning, Brazil, carbon, CO - carbon monoxide, cerrado, deforestation, energy, evolution, fire management, forest management, fuel loading, fuel moisture, gases, grasslands, moisture, pest control, radiation, rainforests, remote sensing, smoke effects, South America, statistical analysis, tropical forests, FRP - Fire Radiative Power, smoke aerosol emission coefficient, aerosol optical depth, biomass burning

Estimates of greenhouse gases and particulate emissions are made with a high spatiotemporal resolution from the Kilmore East fire in Victoria, Australia, which burnt approximately 100,000 ha over a 12 h period. Altogether, 10,175 Gigagrams (Gg) of CO2 equivalent (CO2‐e)…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): International
Keywords: Australia, Black Saturday, algorithms, greenhouse gases, PM - particulate matter, particulate emissions, uncertainty analysis

Many areas of the boreal forest of Alaska contain deep layers of moss, duff, and peat, resulting in a large pool of biomass that can potentially can burn and smolder for long periods of time creating hazardous smoke episode for local residents and communities and causing…
Person:
Year: 2003
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Alaska
Keywords: boreal forest, duff consumption, fire management, fuel consumption, wildfire, biomass, Consume 3.0, moss, fuelbeds

Four hundred fine particulate matter (PM2.5) samples collected over a 1-year period at two sites in the Los Angeles Basin were analyzed for organic carbon (OC), elemental carbon (EC), water soluble organic carbon (WSOC) and organic molecular markers. The results were used in a…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Models
Region(s): California
Keywords: biomass burning, smoke effects, wildfires, aerosols, air quality, carbon, particulates, fire management, smoke management, CMB, LA basin, organic molecular markers, PMF, UNMIX

PROJECT OBJECTIVES As requested under Tasks 8 and 9, user-friendly modeling systems designed for local use will be provided for modeling smoke from wildland fires. These tools will provide a means for conducting tradeoff analyses, with a focus on emissions production, of…
Person:
Year: 2002
Type: Project
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FARSITE - Fire Area Simulator, BEHAVE