Skip to main content

Displaying 1 - 24 of 24

Data on the optical absorption properties (expressed as a specific absorption, Ba) of the smoke emissions from fires with forest fuels have been determined for a series of low-intensity field fires and a series of laboratory scale fires. The Ba data have been used to estimate…
Person:
Year: 1986
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, 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: absorption, laboratory fires, emission factors, smoke aerosol emissions, large wildfires, graphitic carbon, aerosols, air quality, broadcast burning, carbon, chemistry, climatology, field experimental fires, fire intensity, fuel types, laboratory fires, live fuels, logging, low intensity burns, needles, nuclear winter, organic matter, pine, post-fire recovery, radiation, slash, smoke behavior, tropical forest, wildfires

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

Emissions of trace gases and particulate matter from burning of biomass are generally factored into global climate models. Models for improving the estimates of the global annual release of emissions from biomass fires are presented. Estimates of total biomass consumed on a…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): California, Northwest
Keywords: PM - particulate matter, trace gas emissions, biomass burning, atmospheric chemistry

Gas and particulate fractions were measured simultaneously from a wildfire in Penedono, central Portugal, which occurred in summer 2009. The total volatile hydrocarbons (THC) and carbon oxides (CO2 and CO) collected in Tedlar bags were measured using automatic analysers with…
Person:
Year: 2011
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: biomass burning, fire frequency, incendiary fires, smoke effects, wildfires, air quality, carbon, carbon dioxide, climate change, gases, hydrocarbons, particulates, Portugal, Europe, fire management, smoke management, wildfire, organic compounds, PM2.5, PM2.5-10, emission factors

Relationships between boreal wildfire emissions and day-to-day variations in meteorological variables are complex and have important implications for the sensitivity of high-latitude ecosystems to climate change. We examined the influence of environmental conditions on boreal…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models, Weather
Region(s): Alaska
Keywords: wildfires, air quality, weather observations, fire models, fuel consumption, biomass burning, boreal forest

This project characterized the emissions from a simulated wildfire and their evolution downwind via an airborne platform hosting state of the science online measurement techniques for speciated PM1 aerosol, black carbon, water soluble particulate organic carbon, and levoglucosan…
Person:
Year: 2014
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: South Carolina, black carbon, climate impacts, fire emissions, trace gases, organic aerosols

Wildland fires are major sources of trace gases and aerosol, and these emissions are believed to significantly influence the chemical composition of the atmosphere and the earth's climate system. The wide variety of pollutants released by wildland fire include greenhouse gases,…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fire, air pollution, biomass burning, aerosol, trace gases, chemical composition

We used an airborne Fourier transform infrared spectrometer (AFTIR), coupled to a flow-through, air-sampling cell, on a King Air B-90 to make in situ trace gas measurements in isolated smoke plumes from four, large, boreal zone wildfires in interior Alaska during June 1997.…
Person:
Year: 2000
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska
Keywords: climate change, AFTIR - airborne Fourier transform infrared spectroscopy, trace gas emissions, boreal forest fires, smoke plumes, airborne measurements, smoke monitoring

Thermogravimetry (TG) was applied to forest fuel as a microcombustion technique to study emissions by evolved gas analysis (EGA). Emission rates for carbon monoxide (CO), carbon dioxide (CO2), and total hydrocarbons (THC) for both combustion and pyrolysis processes were…
Person:
Year: 1984
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fuels
Region(s): Southern
Keywords: slash pine, CO2 - carbon dioxide, CO - carbon monoxide, emission rate, thermogravimetry, evolved gas analysis, air quality, carbon, chemical compounds, combustion, fuel types, gases, heat, hydrocarbons, laboratory fires, microclimate, needles, oxygen, Pinus elliottii, statistical analysis, volatilization, wood properties

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…
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, carbon, carbon dioxide, CO - carbon monoxide, chaparral, chemical elements, combustion, ecosystem dynamics, fire management, gases, climate change, CH4 - methane, nitrogen, Oregon, smoke effects, statistical analysis, wildfires

Biomass burning from forest regions and agriculture crop residues can emit substantial amounts of particulate matter and other pollutants into the atmosphere. An inventory of forest, grassland and agricultural burning is important for studies related to global change. This study…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Intelligence, Mapping, Monitoring and Inventory, Prescribed Fire
Region(s): International
Keywords: agriculture, air quality, Asia, biomass, broadcast burning, croplands, fire management, gases, climate change, grasslands, India, particulates, range management, remote sensing, statistical analysis, biomass burning, cereal waste, gases and particle emissions, field burning, global change

We used NOAA-AVHRR satellite imagery, biomass density maps, fuel consumption estimates, and a carbon emission factor to estimate the total carbon (C) emissions from the spring 1998 fires in tropical Mexico. All eight states in southeast Mexico…
Person:
Year: 2000
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Mapping, Prescribed Fire
Region(s): International
Keywords: wildfire, biomass, carbon emissions, FERA - Fire and Environmental Research Applications Team, tropospheric ozone, Mexico, agriculture, air quality, charcoal, carbon, Chiapas, climatology, cover, deforestation, digital data collection, distribution, drought, ecosystem dynamics, ENSO - El Nino Southern Oscillation, evapotranspiration, evergreens, fire injury, fire management, fire management planning, fire size, fire suppression, fragmentation, grasslands, greenhouse gases, habitat conversion, human caused fires, JFSP - Joint Fire Science Program, land use, mortality, photography, overstory, Pinus, plantations, population density, precipitation, Quercus, remote sensing, savannas, storms, tropical forest, understory vegetation, winds

Emissions from wildland fire are both highly variable and highly uncertain over a wide range of temporal and spatial scales. Wildland fire emissions change considerably due to fluctuations from year to year with overall fire season severity, from season to season as different…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, carbon, greenhouse gases, fire management, smoke management, emissions inventories, greenhouse gases

Peatlands play an important role as carbon pools, storing a third of the world's soil carbon. However, peatlands in Southeast Asia have suffered from depletion due to economic pressure and the demand for natural resources, often caused by land use changes and fires. Usually,…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: climate change, peat soil, greenhouse gas, depth of burn, peatlands, Indonesia

In a future climate scenario forest fire activity over Portugal will substantially increase and consequently area burned and forest fire emissions to the atmosphere are also expected to increase. This study investigated the impact of future forest fire emissions on air quality…
Person:
Year: 2011
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): International
Keywords: fire size, fuel loading, wildfires, air quality, climate change, ozone, particulates, pollution, Portugal, Europe, fire management, forest management, climate change, future fire activity, forest fire emissions, air quality modelling, ozone, particulate matter

The accuracy of wildfire air pollutant emission estimates was assessed by comparing observations of carbon monoxide (CO) and particulate matter (PM) concentrations in wildfire plumes to predictions of CO and PM concentrations, based on emission estimates and air quality models.…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire History, Fire Occurrence, Fuels, Intelligence, Models, Monitoring and Inventory
Region(s): Southern
Keywords: aerosols, air quality, carbon, CO - carbon monoxide, chemistry, coniferous forests, eastern Texas, fire case histories, fire frequency, fire management, fire size, fuel loading, fuel management, light, ozone, particulates, population density, smoke effects, smoke management, Texas, vegetation surveys, wildfires, wildfires, wildfire inventory, wildfire emissions, emissions inventory, emissions modeling, TexAQS, photochemical modeling, CAMx, plume rise, plumes

Increasing wildfire activity in recent decades, partially related to extended droughts, along with concern over potential impacts of future climate change on fire activity has resulted in increased attention on fire-climate interactions. Findings from studies published in recent…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, carbon, fire management, smoke management, wildfire, emission, radiative forcing, feedback to climate, future fire projection

Increasing wildfire activity in recent decades, partially related to extended droughts, along with concern over potential impacts of future climate change on fire activity has resulted in increased attention on fire-climate interactions. Findings from studies published in recent…
Person:
Year: 2014
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire projections, radiative forcing, climate feedbacks

As part of the FOS-DECAFE experiment at Lamto (Ivory Coast) in January 1991, various aerosol samples were collected at ground level near prescribed fires or under local background conditions, to characterize the emissions of particulate matter from the burning of savanna…
Person:
Year: 1995
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Prescribed Fire
Region(s): International
Keywords: aerosols, Africa, air quality, backing fires, biomass, boreal forests, carbon, combustion, distribution, forest types, climate change, headfires, ignition, Ivory Coast, particulates, pollution, K - potassium, savannas, slash, tropical forests, wildfires

Although representing only a small mass fraction of the emissions from biomass burning, black carbon (BC) exerts a strong influence on climate. As a component of the atmospheric aerosol, BC absorbs visible light and warms the adjacent air, potentially altering the vertical…
Person:
Year: 2014
Type: Project
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: black carbon, biomass burning, aerosol

Frequent wildfires emit large amounts of black carbon (BC) into the atmosphere in the semiarid regions of the African continent. This atmospheric BC efficiently absorbs shortwave radiation and thus modifies the climate system on a regional scale. Therefore, it is essential to…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Intelligence
Region(s): International
Keywords: wildfires, air quality, carbon, climate change, remote sensing, vegetation surveys, Africa, fire management, smoke management, black carbon, wildfire, Africa, emission factor, regional variation

Smoke from wildland fires releases dramatic amounts of PM, CO, SO2, NOx, VOC and other chemical species. Meanwhile, high level of O3 can build up as a result of the emissions. These air pollutants can cause serious consequence to regional and local air quality by reducing…
Person:
Year: 2003
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire History, Fuels, Models, Prescribed Fire, Weather
Region(s): Eastern, Northwest, Southern
Keywords: air quality, chemical elements, computer programs, ecosystem dynamics, environmental impact analysis, fire intensity, fire management, fuel loading, geography, health factors, histories, JFSP - Joint Fire Science Program, land management, moisture, pollution, precipitation, remote sensing, season of fire, smoke behavior, smoke effects, smoke management, soil moisture, statistical analysis, temperature, wilderness fire management, wildfires

Emissions from wildland fires strongly influence tropospheric chemistry and climate. Fires emit high levels of trace gases, including semi-volatile and volatile organic compounds (S/VOCs); and primary (directly emitted) particulate matter (PM). During plume evolution, S/VOCs…
Person: Barsanti
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Fuels, Models, Monitoring and Inventory
Region(s): California
Keywords: air quality, health impacts, PM - particulate matter, C - carbon, organic carbon, PM2.5, wildfires, POC - Particulate Organic compound, health effects, climate effects, emission factors, fuel consumption, NMOC - nonmethane organic compounds, chemistry, gas chromatography, FIREX - Fire Influence on Regional and Global Environments Experiment, NEIVA - Nextgen Emissions InVentory expansion of Akagi

The production of pyrogenic carbon (PyC; a continuum of organic carbon (C) ranging from partially charred biomass and charcoal to soot) is a widely acknowledged C sink, with the latest estimates indicating that ~ 50% of the PyC produced by vegetation fires potentially sequesters…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: wildfires, C - carbon, charcoal, organic matter, fire management, biochar, black carbon, carbon accounting, carbon emissions, carbon sequestration, charcoal, DOC - dissolved organic carbon, erosion, PyOM - pyrogenic organic matter, wildfire, dissolved black carbon, SOM - soil organic matter, forest soils, boreal forest, climate change, macroscopic charcoal, temperate forest, Marine-Sediments, emission factors, Fresh Charcoal