Type
Topic
Region
Year
Displaying 126 - 150 of 332
Using a particulate emissions model developed for FIRETEC, we explore differences in particle emission profiles between high-intensity fires under critical conditions and low-intensity fires under marginal conditions. Simulations were performed in a chaparral shrubland and a…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Southern
Keywords: PM - particulate matter, FIRETEC, soot formation, simulations, fire intensity, chaparral, conifer forest
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
Emissions from burning piles of post-harvest timber slash (Douglas-fir) in Grande Ronde, Oregon were sampled using an instrument platform lofted into the plume using a tether-controlled aerostat or balloon. Emissions of carbon monoxide, carbon dioxide, methane, particulate…
Person:
Year: 2017
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Northwest
Keywords: burn piles, slash, Oregon, Douglas-fir, Pseudotsuga menziesii, PM - particulate matter, CO - carbon monoxide, CO2 - carbon dioxide, CH4 - methane, black carbon, fuel moisture, air quality, particulates
This paper presents airborne measurements of multiple atmospheric trace constituents including greenhouse gases (such as CO2, CH4, O3) and biomass burning tracers (such as CO, CH3CN) downwind of an exceptionally large wildfire. In summer 2013, the Rim wildfire, ignited just west…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Hazard and Risk
Region(s): California
Keywords: wildfires, trace gases, emission factors, enhancement ratios, airborne measurements, greenhouse gases, biomass burning, 2013 Rim Fire, fire case histories, fire size, fire management
Indonesia contains large areas of peatland that have been drained and cleared of natural vegetation, making them susceptible to burning. Peat fires emit considerable amounts of carbon dioxide, particulate matter (PM) and other trace gases, contributing to climate change and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: peat fires, Indonesia, PM - particulate matter, PM2.5, FINN - Fire Inventory of NCAR, FINNv1, CO2 - carbon dioxide, GFED - Global Fire Emissions Database
In fire‐prone areas such as southern Australia and parts of the United States, prescribed burning is a common fire management tool to reduce fuel load for wildfire suppression purposes. The burns are typically undertaken during calm and stable conditions when the burn extent and…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire
Region(s): International
Keywords: PM2.5, particles, smoldering combustion, residual smoldering, combustion efficiency, CWD - coarse woody debris, litter, Eucalypt forests, Australia
This study shows a simplified approach for calculating emissions associated with forest fires in Mexico, based on different satellite observation products: the biomass, burnt area, emission factors, and burning efficiency. Biomass loads were…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Weather
Region(s): International
Keywords: gas emissions, remote sensing, machine learning, Mexico, satellite observations, topography
This data publication contains emission factors for 195 gaseous and particulate compounds measured during the burning of three mixtures of manzanita wood and low-density polyethylene plastic (LDPE, agricultural plastic) in a laboratory. The…
Person:
Year: 2018
Type: Data
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire
Region(s): California
Keywords: polyethylene, manzanita, plastic, farming, biota, environment, human impact, health, forest products, wood chemistry, natural resource management, forest management, plants, San Bernardino National Forest
This paper is directed to those interested in emissions from forest fires as they may impact on air quality. There are several different types of forest fires, each with distinct sets of emission characteristics. Emission factors for combustion…
Person:
Year: 1976
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Prescribed Fire, Weather
Region(s): Southern
Keywords: air quality, backing fires, carbon dioxide, CO - carbon monoxide, chemical elements, combustion, evapotranspiration, fire intensity, fire management, flammability, Florida, fuel management, fuel moisture, fuel types, gases, Georgia, hardwood forests, headfires, hydrocarbons, ignition, Ilex glabra, needles, nitrogen, organic matter, particulates, pine forests, Pinus elliottii, pollution, residence time, Serenoa repens, smoke behavior, smoke management, water, wildfires
Wildland fires are expected to increase as a consequence of climate change forces and more data were needed to help facility managers carry out prescribed burns, especially for the burning of southwestern and southeastern wild land fuels. As a consequence, RC-1648 and RC-1649…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): California, Southwest
Keywords: air quality, chaparral, particulates, Arctostaphylos spp., Ceanothus spp., Quercus spp., Prosopis spp., Madrean, Adenostoma spp.
Prescribed burning is practiced to benefit ecosystems but the resulting emissions can adversely affect air quality. A better understanding of the uncertainties in emission estimates and how these uncertainties affect smoke predictions is critical for model-based decision making…
Person:
Year: 2015
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Southern
Keywords: air quality, Eglin Air Force Base, FERA - Fire and Environmental Research Applications Team, Florida, fuel loading, smoke behavior, smoke effects, military lands, statistical analysis, Andropogon virginicus, broomsedge, Pinus palustris, longleaf pine, Quercus laevis, turkey oak, Schizachyrium scoparium, little bluestem, Serenoa repens, saw palmetto, fire management, forest management, smoke management, pine hardwood forests
Boreal forest in Siberia contains approximately one-fourth of the world's terrestrial biomass. It is essential to quantify the amount of trace gases, especially carbon-containing compounds, emitted from biomass burning in Siberia in order to understand its contribution to the…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: Siberia
This paper discusses a sampling system we developed for measuring emissions production and a set of emissions data for a series of test fires. The sampling system makes it possible to measure emission factors for criteria pollutants, emission…
Person:
Year: 1982
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Northwest
Keywords: heat release rate, emission rate, PM - particulate matter, sampling protocol, fuel consumption
On April 28-30, 1982, the Midwest Section was host to a Specialty Meeting sponsored by APCA's Committee TP-3, Emission Factors and Inventories. The theme of the meeting was 'Emission Inventories and Air Quality Management'. This overview…
Person:
Year: 1982
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Unknown
Keywords: air quality
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
To assess the contribution of biomass burning to the emissions of atmospheric trace species in China, we estimated various biomass-burning activities using statistical data, survey data, expert estimates and a satellite data set. Fuel wood and crop residue burned as fuel and in…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire History, Fuels
Region(s): International
Keywords: air quality, Asia, biomass, carbon, CO - carbon monoxide, China, croplands, fire management, grasslands, wildfires, wood, woody fuels, biofuel, forest fires, fate of crop residue, field burning
Biomass burning covers open fires (forest and grassland fires, crop residue burning in fields, etc.) and biofuel combustion (crop residues and wood, etc., used as fuel). As a large agricultural country, China may produce large quantities of mercury emissions from biomass burning…
Person:
Year: 2011
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Fuels
Region(s): International
Keywords: biomass burning, cropland fires, fuel moisture, wildfires, air quality, herbaceous vegetation, leaves, Hg - mercury, pollution, woody plants, China, Asia, fire management, forest management, fuel management, range management, grasslands
A PM2.5 monitoring network was established around Lake Tahoe during fall 2011, which, in conjunction with measurements at prescribed burns and smoke dispersion modeling based on the Fire Emission Production Simulator and the Hybrid Single Particle Lagrangian Integrated…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): California
Keywords: PM2.5 emissions, PM - particulate matter, Lake Tahoe, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, air quality, FEPS - Fire Emissions Production Simulator
Fire environment effects on particulate matter emission factors in southeastern U.S. pine-grasslands
Particulate matter (PM) emission factors (EFPM), which predict particulate emissions per biomass consumed, have a strong influence on event-based and regional PM emission estimates and inventories. PM < 2.5 μm aerodynamic diameter (PM2.5),…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire History, Fire Occurrence, Models, Prescribed Fire
Region(s): Southern
Keywords: PM2.5, combustion efficiency, biomass burning, structural equation modelling, combustion, fire frequency, air quality, needles, overstory, particulates, Pebble Hill, thinning, TTRS - Tall Timbers Research Station, Florida, Georgia, fire management, forest management, grasslands, pine forests, SFP - Southern Fire Portal
This paper provides an update of our sampling program and outlines the technology emerging from the application of these data. During the past year, 90% of the objectives were satisfied for sampling emissions in plumes from prescribed fires at downwind locations by using…
Person:
Year: 1982
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Northwest
Keywords: Willamette National Forest, fire plumes, residues
In central Mexico during the spring of 2007 we measured the initial emissions of 12 gases and the aerosol speciation for elemental and organic carbon (EC, OC), anhydrosugars, Cl-;, NO3-;, and 20 metals from 10 cooking fires, four garbage fires, three brick making kilns, three…
Person:
Year: 2010
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: Mexico, trace gas emissions, biofuel, garbage burning, particle emissions
'A program of burning experiments was carried out to assess the air pollutant emmissions potential of forest residues in the Pacific Norhtwest. Only the fine fuel component of slash fuelbeds was considered. Ponderosa pine slash, Douglas-fir slash with needles, and Douglas-fir…
Person:
Year: 1974
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): California, Great Basin, Northwest
Keywords: aerosols, air quality, air temperature, CO - carbon monoxide, clearcutting, combustion, coniferous forests, field experimental fires, fine fuels, fire intensity, fire management, fire retardants, flammability, fuel appraisal, fuel arrangement, fuel loading, fuel management, fuel models, fuel moisture, fuel types, gases, humidity, hydrocarbons, ignition, laboratory fires, live fuels, logging, needles, old growth forests, particulates, Pinus ponderosa, pollution, Pseudotsuga menziesii, rate of spread, second growth forests, slash, smoke effects, smoke management, Thuja plicata, Tsuga heterophylla, understory vegetation, Washington, wildfires, wind
Absorption properties of smokes from laboratory fires that represent prescription hums in the Southern states have been quantified to relate variations in measured absorption parameters to variation in fire conditions and to estimate emission factors…
Person:
Year: 1984
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Prescribed Fire
Region(s): Southern
Keywords: combustion, absorption, aerosol absorption, aerosol radiative effects, optical properties, PM - particulate matter, smoke properties, visibility, forest fires, aerosols, carbon, fire hazard reduction, fire intensity, fire management, flame length, fuel loading, fuel moisture, fuel types, laboratory fires, particulates, pine forests, Pinus, smoke behavior, smoke management, wildfires
Crop-residue burning plays an important role in regional air quality and global climate change. The North China Plain, the largest winter wheat production district in China, experiences extensive crop fires during harvest seasons. Traditional methods to estimate emissions from…
Person:
Year: 2015
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence
Region(s): International
Keywords: cropland fires, fire frequency, wildfires, agriculture, air quality, particulates, radiation, remote sensing, China, Asia, fire management, forest management, crop residue, FRP - Fire Radiative Power, North China Plain, emission estimates
An analysis on the number of forest fires and burned area distribution as retrieved by the European Forest Fire Information System (EFFIS) database is presented. On average, from 2000 to 2005 about 95,000 fires occurred annually in 23 European countries, burning almost 600,000…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Fuels, Mapping
Region(s): International
Keywords: wildfires, burned area, CO2 - carbon dioxide, fuel loads, burning efficiency, EU - European Union