Type
Topic
Region
Year
Displaying 1 - 20 of 20
Aerial- and ground-sampled emissions from three prescribed forest burns in the southeastern U.S. were compared to emissions from laboratory open burn tests using biomass from the same locations. A comprehensive array of emissions, including PM2.5, black carbon (BC), brown carbon…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Southern
Keywords: PM2.5, black carbon, brown carbon, carbon dioxide, VOC - volatile organic compounds, PCDD - polychlorinated dibenzo-p-dioxins, PCDF - polychlorinated dibenzofurans, biomass burning
This paper complements the information previously published (Atmospheric Environment 45, 641-649) on gaseous and particulate emissions from wildfires in Portugal for summer 2009, in an attempt at obtaining more extensive, complete and representative databases on emission…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: wildfires, air quality, carbon, gases, hydrocarbons, particulates, Portugal, Europe, fire management, smoke management, wildfires, trace gases, emission factors, organic compounds, water-soluble ions, trace elements, Portugal
Aerial- and ground-sampled emissions from three prescribed forest burns in the southeastern U.S. were compared to emissions from laboratory open burn tests using biomass from the same locations. A comprehensive array of emissions, including PM, black carbon (BC), brown carbon (…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: field experimental fires, laboratory fires, aerosols, air quality, biomass, carbon, light, Florida, North Carolina, fire management, forest management, smoke management
An extensive program of experiments focused on biomass burning emissions began with a laboratory phase in which vegetative fuels commonly consumed in prescribed fires were collected in the southeastern and southwestern US and burned in a series 5 of 71 fires at the US Forest…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern, Southwest
Keywords: field experimental fires, trace gas emissions, emission factors, laboratory experiments, biomass burning
Leaves from three species of Eucalyptus were combusted in a mass-loss calorimeter to characterise the effect of fuel moisture on energy release and combustion products for this genus. Increasing moisture content reduced peak heat release and the effective heat of combustion in a…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Occurrence, Fuels
Region(s): International
Keywords: combustion, fire control, fire intensity, fuel moisture, heat, ignition, air quality, CO2 - carbon dioxide, leaves, Eucalyptus spp., Australia, fire management, fuel management, effective heat of combustion, emission factors, Eucalyptus bicostata, Eucalyptus saligna, Eucalyptus tereticornis, heat release rate, ignition probability, time to ignition, heat of combustion
We report trace-gas emission factors from three pine-understory prescribed fires in South Carolina, US measured during the fall of 2011. The fires were more intense than many prescribed burns because the fuels included mature pine stands not…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Southern
Keywords: longleaf pine, Pinus palustris, South Carolina, smoldering, fourier transform infrared spectroradiometer
Smoke plumes associated with wildland fires are difficult to characterize due to the non-linear behavior of the variables involved. Plume chemistry is largely modeled using emission factors to represent the relative trace gas and aerosol species…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): California, Southern
Keywords: air quality, North Carolina, low intensity burns, smoke dispersion, smoldering fires
Smoke dispersion modelling based on the Fire Emission Production Simulator and the Hybrid Single Particle Lagrangian Integrated Trajectory (FEPS-HYSPLIT) model was applied to prescribed burns in the Lake Tahoe Basin (LTB) during fall 2011. This, in conjunction with measurements…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): California, Great Basin
Keywords: combustion, biomass burning, smoke effects, air quality, pollution, Nevada, fire management, forest management, smoke management, smoke forecast, biomass burning, emission model, PM2.5 emission factor, WRF, IMPROVE network
Emissions of trace gases and C5-C10 volatile organic compounds (VOCs) from Mediterranean wildfires occurring in Portugal in summer 2010 were studied. Fire smoke was collected in Tedlar bags and analysed for CO, CO2, total hydrocarbons (THC) and VOCs. The CO, CO2 and THC …
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): International
Keywords: combustion, wildfires, air quality, carbon dioxide, gases, hydrocarbons, Portugal, Europe, fire management, smoke management, Mediterranean habitats, wildfires, Mediterranean forest, emission factors, trace gases, VOCs
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.
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
Emissions of trace gases and particles £ 2.5 microns aerodynamic diameter (PM2.5) from fires during 2008-2011 on the North Carolina coastal plain were collected and analyzed. Carbon mass balance techniques were used to quantify emission factors…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: biomass burning, fuel loading, wildfires, air quality, C - carbon, organic soils, peat, North Carolina, fire management, fuel management, soil management, coastal plain, biomass burning, organic soil, North Carolina, PM2.5, CO2 - carbon dioxide, CO - carbon monoxide, levoglucosan
In the US, wildfires and prescribed burning present significant challenges to air regulatory agencies attempting to achieve and maintain compliance with air quality regulations. Fire emission factors (EF) are essential input for the emission…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Northern Rockies
Keywords: air quality, combustion efficiency
Low intensity prescription burning is used to reduce fuels, improve ecosystem health, and to mimic a natural fire pattern that is otherwise suppressed during the more intense wildfire season. There are many constraints that limit the ability to conduct prescribed burn operations…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Southern
Keywords: North Carolina, visibility, air quality, fine particulate matter, ozone, BlueSky Modeling Framework, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory
In October-November 2011 we measured trace gas emission factors from seven prescribed fires in South Carolina (SC), US, using two Fourier transform infrared spectrometer (FTIR) systems and whole air sampling (WAS) into canisters followed by gas-…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Southern
Keywords: trace gas emissions, biomass burning
Atmospheric organic aerosol concentrations depend in part on the gas-particle partitioning of primary organic aerosol (POA) emissions. Consequently, heating and dilution were used to investigate the volatility of biomass-burning smoke particles from combustion of common North…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Northern Rockies
Keywords: biomass burning, organic aerosols, gas-particle partitioning, volatility distributions
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
The ability to predict forest fuel consumption is critical, namely in the frame of hazard-reduction burning treatments designed to achieve effective fuel reduction with minimal environmental impact. Litter and understory fine fuels (diameter <0.6 cm) consumption by fire were…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): International
Keywords: fuel moisture, CO2 - carbon dioxide, Portugal, fire danger rating, fuel consumption, Mediterranean pine forest, experimental fire, fine fuels, fire hazard reduction, fuel loading, surface fires, air quality, litter, understory vegetation, Pinus pinaster, fire management, maritime pine, forest management, fuel management, Mediterranean habitats, pine forests
Roger Ottmar has a long and distinguished career studying forest fuel consumption and emissions. He presented this talk at the RX410 Smoke Management Techniques class March 25-29, 2013, Fairbanks, Alaska. This 30 minute module (RX410 Unit 8B) covers smoke production,…
Person: Ottmar
Year: 2013
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuel loading, photo series, emission estimates, emission factor, fuel consumption, pollutants, dispersion models, fuel bed
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