Skip to main content

Displaying 151 - 175 of 393

The Unmix receptor model was applied to the 2002-2014 speciated PM2.5 data from the IMPROVE site at Tallgrass National Preserve near Strong City, Kansas, to investigate the contributions of prescribed rangeland burning on local air quality. This investigation found the following…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): Rocky Mountain
Keywords: air quality, range management, smoke management, Kansas, IMPROVE, Rangeland Burning, Secondary Organic Aerosols, source apportionment, Ammonia Emissions, aerosol

Connections between wildfires and modes of variability in climate are sought as a means for predicting fire activity on interannual to multi-decadal timescales. Several fire drivers, such as temperature and local drought index, have been shown to vary on these timescales, and…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Models
Region(s): International
Keywords: climate change, ENSO - El Nino Southern Oscillation, air quality, climate variability, earth system models, biomass burning emissions, Global Vegetation Model, Sea-Surface Temperature, Western North-America, boreal forest fire, burned area, El-Nino, Climate System, South America, Wood Harvest

Fire plays an essential role in maintaining the structure and function of longleaf pine ecosystems. While the effects of fire on carbon cycle have been measured in previous studies for short periods during a burn and for multiyear periods following the burn, information on how…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire
Region(s): Southern
Keywords: land management, longleaf pine, Pinus palustris, South Carolina, carbon cycle, Ameriflux, boreal forest, tallgrass prairie, carbon dioxide, Water-Vapor, fluxes, dynamics, heat

Landscape fires can produce large quantities of smoke that degrade air quality in both remote and urban communities. Smoke from these fires is a complex mixture of fine particulate matter and gases, exposure to which is associated with increased respiratory and cardiovascular…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, air quality, Canada, Landscape Fire Smoke, wildfire smoke, portable air cleaners, HEPA filter - high effieciency particulate air filter, Intervention, particulate matter, wildfire smoke, cardiovascular health, Indoor Particles, forest fire, Intervention, impacts, Filtration, pollution, exposure

There is a lack of in-depth examination of the two basic assumptions used in calculating particulate matter (PM2.5) emission factors (EFs): 1) that the ambient CO2 concentration is constant whether in a fire plume sample or in the ambient air (the constant ambient CO2…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: particulates, air quality, PM2.5, emission factor, MCE - modified combustion efficiency, Differential Diffusion, Thermal-Analysis Mesta, black carbon, PM - particulate matter, trace gases, biomass, vegetation, forest

Vegetation, wildfire and atmospheric oxygen on Earth have changed throughout geological times, and are dependent on each other, determining the evolution of ecosystems, the carbon cycle, and the climate, as found in the fossil record. Previous work in the literature has only…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models
Region(s): International
Keywords: wildfires, smoldering fires, vegetation, Paleo Fire, peat, soil, ignition, organic soils, peat fires, combustion, Kinetics, Limits, Roles, Depth

The 2011 Richardson wildland mega-fire in the Athabasca Oil Sands Region (AOSR) in northern Alberta, Canada had large effects on air quality. At a receptor site in the center of the AOSR ambient PM2.5, O3, NO, NO2, SO2, NH3, HONO, HNO3, NH4+ and NO3- were measured during the…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk, Safety
Region(s): International
Keywords: wildfires, Canada, Alberta, Richardson Fire, smoke effects, fine particulate matter, Reactive Nitrogenous Species, SO2 - sulfur dioxide, sulfate, ozone, Athabasca Oil Sands, Passive Sampling System, Ambient Nitric-Acid, Nitrous-Acid, tropospheric ozone, climate change, trace gases, atmospheric deposition, chemical composition, Ammonia Emissions

The most conventional and abundant tracers of biomass combustion in aerosol particles include potassium and biomarkers derived from thermally altered cellulose/hemicellulose (anhydrosugars) and lignin (methoxyphenols). However, little is known of the role biomass combustion…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Effects
Region(s): Southern, Southwest
Keywords: biomass burning, fire case histories, wildfires, Texas, aerosols, lignin, fire management, watershed management, salt marshes, Lignin Oxidation-Products, Fine-Particle Emissions, Cuo Reaction-Products, SOM - soil organic matter, gas phase, Natural Environments, carbon isotopes, Plant-Tissues, levoglucosan, combustion

Plant-derived smoke promotes germination in Mediterranean-like environments, but its effect is unclear in the Mediterranean Cistaceae. This article investigates the role of smoke in the comparative germination ecology of five Helianthemum taxa. Laboratory germination experiments…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Fire Effects, Fire Ecology, Emissions and Smoke
Region(s): International
Keywords: smoke effects, Europe, Spain, seed germination, statistical analysis, temperature, fire management, smoke management, Mediterranean habitats, Atlantic, Endemic, Mediterranean, physical dormancy, physiological dormancy

Introduction: Fine particulate matter (PM2.5) emissions from vegetation fires can be transported over long distances and may cause significant air pollution episodes far from the fires. However, epidemiological evidence on health effects of vegetation-fire originated air…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Fire Occurrence, Emissions and Smoke, Hazard and Risk, Fire Effects
Region(s): International
Keywords: biomass burning, smoke effects, wildfires, Europe, Finland, air quality, health factors, mortality, particulates, pollution, vegetation surveys, fire management, smoke management, vegetation fire, air pollution, particulate matter, mortality, hospital admissions

Fine particulate matter (PM2.5) generated by forest fires has been associated with a wide range of adverse health outcomes, including exacerbation of respiratory diseases and increased risk of mortality. Due to the unpredictable nature of forest fires, it is challenging for…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, British Columbia, Canada, air quality, health factors, particulates, fire management, smoke management, forest fire smoke, Blended Models, fine particulate matter, exposure assessment, epidemiology, public health

There is limited research on the exposure of wildland firefighters to smoke because of the operational obstacles when monitoring air pollutants in the field. In this work, a grid of portable sensors was used to measure PM2.5 and CO concentrations in the near-source region during…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Safety
Region(s): International
Keywords: experimental fires, firefighting personnel, fuel loading, fuel moisture, smoke effects, wildfires, Europe, Portugal, air quality, fire management, fuel management, smoke management, shrublands, Fire Experiments, smoke emissions, smoke plume, firefighter exposure, Portable Sensor

A larger amount of carbon is stored in forest ecosystems than in the entire atmosphere. Thus, relatively small changes in forest carbon stocks can significantly impact net carbon exchange between the biosphere and atmosphere. Changes in forest stocks can result from various…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire History, Fire Occurrence
Region(s): International
Keywords: wildfires, Asia, China, C - carbon, droughts, fire management, forest management, forest fire, carbon emissions, historical trends, global wildland fire, climate change, terrestrial ecosystems, CO2 emissions, Earth System, land use, biomass, 21st Century, impacts

In September-October 2015, ElNino and positive Indian Ocean Dipole conditions set the stage for massive fires in Sumatra and Kalimantan (Indonesian Borneo), leading to persistently hazardous levels of smoke pollution across much of Equatorial Asia. Here we quantify the emission…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Hazard and Risk, Intelligence, Models, Safety
Region(s): International
Keywords: fire size, wildfires, Asia, Indonesia, Malaysia, Singapore, air quality, ENSO - El Nino Southern Oscillation, health factors, remote sensing, fire management, land use, smoke management, Land Use Change Fires, smoke exposure, GEOS-Chem Adjoint

Satellite characterization of local aerosol pollution is desirable because of the potential for broad spatial coverage, enabling transport studies of pollution from major sources, such as biomass burning events. However, retrieval of quantitative measures of air pollution such…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Models, Fire Effects, Intelligence
Region(s): California, Great Basin
Keywords: biomass burning, Nevada, aerosols, air quality, albedo, pollution, remote sensing, fire management, smoke management, MODIS, algorithms, albedo, Deep-Blue, Dark-Target, biomass burning

Wildfire can impose a direct impact on human health under climate change. While the potential impacts of climate change on wildfires and resulting air pollution have been studied, it is not known who will be most affected by the growing threat of wildfires. Identifying…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Hazard and Risk, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke effects, wildfires, Oregon, Great Plains, air quality, climate change, particulates, pollution, fire management, smoke management, fine particles, forest fires, Impact, quality, health, Area, mortality, perspective, management

Canadian wildfire smoke impacted air quality across the northern Mid-Atlantic (MA) of the United States during June 9-12, 2015. A multiday exceedance of the new 2015 70-ppb National Ambient Air Quality Standard (NAAQS) for ozone (O-3) followed, resulting in Maryland being…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): Eastern, International
Keywords: wildfires, Canada, Maryland, air quality, CO - carbon monoxide, smoke management, VOC - volatile organic compounds, forest fire rmissions, PM - particulate matter, nitrogen oxides, climate change, urban area, boreal forest, pollution

This study monthly combustion tests were conducted on pine green leaves during June 2008 similar to May 2012 (4 years) for combustion pattern analysis of forest fires according to climate change in Korea. As result of research, fuel humidity of 75 similar to 178% was shown for 4…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire History, Fuels, Hazard and Risk, Planning
Region(s): International
Keywords: fire identification, fire pattern, wildfire research, climate change, pine tree, combustion

During July 2002, forest fires in Quebec, Canada, blanketed the US East Coast with a plume of wood smoke. This 'natural experiment' exposed large populations in northeastern US cities to significantly elevated concentrations of fine particulate matter (PM2.5), providing a unique…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): Eastern, International
Keywords: fire case histories, Massachusetts, New York, Quebec, air quality, mortality, particulates, pollution, fire management, smoke management, air pollution, wildfires, fine particulate matter, PM2.5, mortality, natural experiment, Pm Source Apportionment, Ambient Air-Quality, risk assessment, smoke plumes, health, pollution, death, wildfire

We apply satellite fire detection products and air quality modeling to study the contribution of fire emissions to ambient aerosol concentrations over the southeastern U.S. We find that satellite MODIS fire counts show more extensive summer burnings than suggested by the bottom-…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence, Models
Region(s): Southern
Keywords: wildfires, aerosols, air quality, remote sensing, fire management, PM2.5, OC, EC, MODIS - Moderate Resolution Imaging Spectroradiometer, Satellite Fire Remote Sensing, secondary organic aerosol, Algorithm, photooxidation, performance, validation

Deforestation as a result of burning and land conversion in the tropics and subtropics has been widely studied and active restoration of forests has been widely promoted. Besides other benefits, reforestation can sequester carbon thereby reducing CO2 emissions to the atmosphere…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Restoration and Rehabilitation
Region(s): International
Keywords: wildfires, Africa, South Africa, conservation, deforestation, species diversity (plants), succession, fire management, range management, grasslands, Grassland Biodiversity and Function, forest restoration, Underground Storage Organs, Grassland Succession

Exposure to forest fire smoke (FFS) is associated with multiple adverse health effects, mostly respiratory. Findings for cardiovascular effects have been inconsistent, possibly related to the limitations of conventional methods to assess FFS exposure. In previous work, we…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: smoke effects, wildfires, British Columbia, Canada, air quality, health factors, particulates, fire management, smoke management, forest fire smoke, particulate matter, respiratory effects, cardiovascular effects, epidemiology, southern California wildfires, fine particulate matter, Acute Otitis-Media, air pollution, hospital admissions, Cardiovascular-Disease, Australia 1994-2007, health outcomes, Daily Mortality, climate change

Over recent decades, efforts have been made to reduce human exposure to atmospheric pollutants including polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) through emission control and abatement. Along with the potential changes in their concentrations…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: wildfires, Australia, Queensland, air quality, hydrocarbons, fire management, smoke management, PAH - polycyclic aromatic hydrocarbons, polychlorinated biphenyls, Seasonal Variation, temporal change, Emission Source Profile

In July 2012, two simultaneous wildfires burnt a big area in Valencia (Spain), where a birth cohort study (INMA) is being developed. The heavy smoke covered the whole INMA study area for several days. We aimed at evaluating the 2012 Valencia wildfire effects on the health of…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: wildfires, Europe, Spain, air quality, diseases, health factors, pollution, fire management, wildfire, children, allergy, air pollution, cohort, asthma, Rhinitis, Cardiorespiratory Hospital Admissions, Particulate Air-Pollution, time-series analysis, respiratory symptoms, forest fires, exposure, asthma, firefighters

The composition and distribution of polycyclic aromatic hydrocarbons (PAHs) were studied in organomineral and organic soils of the Meshchera National Park. It was found that the background oligotrophic peat soils unaffected by fires in central parts of the bogs are characterized…
Person:
Year: 2016
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: fire case histories, peat fires, wildfires, Europe, Russia, hydrocarbons, national parks, soil organic matter, fire management, soil management, watershed management, bogs, Forest and Bog Fires, Pyrogenic Changes of Soils, PAH - polycyclic aromatic hydrocarbons, forest fires, PAH - polycyclic aromatic hydrocarbons, Russia, peat