Type
Topic
Region
Year
Displaying 101 - 125 of 210
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: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: pyrogenic carbon, vegetation fires
In September-October 2015, El Niño 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: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: haze, fire management, Indonesia, Malaysia, Singapore, health impacts, GEOS-Chem, smoke exposure
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: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire activity, ENSO - El Nino Southern Oscillation, PDO - Pacific Decadal Oscillation, CESM1/CARMA
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 study evaluates source attribution of ozone (O3) in the southeast United States (US) within O3 lamina observed by the University of Alabama in Huntsville (UAH) Tropospheric Ozone Lidar Network (TOLNet) system during June 2013. This research applies surface-level and…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Southern
Keywords: air quality, O3 - ozone, air pollution sources, LiDAR - Light Detection and Ranging, TOTALNet Lidar, GEOS-Chem
The project addressed the following tasks: 1) Review and summarize the technical details of major FEIS. 2) Quantify the uncertainty of the components of burned area, fuel loading, and emission factors of each FEIS. 3) Quantify the uncertainty of emissions estimated by each FEIS…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): California, Northwest, Southwest
Keywords: FEIS - Fire Effects Information System, fuel loading, PM2.5, PM - particulate matter, O3 - ozone, regional haze, NAAQS - National Ambient Air Quality Standards
An accurate, reliable wildland fire emissions inventory is likely the most important criteria in assessing the impacts of prescribed burning and wildfires on regional air quality and global climate. Significant progress has been made in the past ten years to develop fire…
Person:
Year: 2016
Type: Project
Source: FRAMES
Topic(s): Aviation, Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FEIS - Fire Effects Information System, NAAQS - National Ambient Air Quality Standards, air quality, regional haze, PM2.5, PM - particulate matter, O3 - ozone
Smoke emission models require a number of assumptions regarding turbulent transfer of gasses and particulates within and above the forest canopy. Some of these assumptions as well as model predictions can be evaluated using micrometeorological measurements during fires. However…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Eastern
Keywords: New Jersey, New Jersey Pinelands, energy balance, fuel consumption, pine barrens
Forest fire emissions have a strong impact on the concentrations of trace gases and aerosols in the atmosphere. In order to quantify the influence of boreal forest fire emissions on the atmospheric composition, the fire seasons of 1997 and 1998 are compared in this paper. Fire…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models, Weather
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: ENSO - El Nino Southern Oscillation, precipitation, N - nitrogen, nitrogen deposition, climate variability, wavelet analysis
Background: Cardiovascular health effects of fine particulate matter (PM2.5) exposure from wildfire smoke are neither definitive nor consistent with PM2.5 from other air pollution sources. Non-comparability among wildfire health studies limits research conclusions. Methods: We…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Safety
Region(s): Southern
Keywords: North Carolina, peat fires, cardiopulmonary, health effects, PM - particulate matter, PM2.5, respiratory effects, cardiovascular effects, hypertension, syndromic surveillance, public health, smoke effects, wildfires, health factors, fire management, forest management, smoke management
A new WRF-CMAQ two-way coupled model was developed to provide a pathway for chemical feedbacks from the air quality model to the meteorological model. The essence of this interaction is focused on the direct radiative effects of scattering and absorbing aerosols in the…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models, Monitoring and Inventory
Region(s): California
Keywords: WRF - Weather Research and Forecasting, CMAQ - Community Multiscale Air Quality Modeling System, air quality, coupled models, aerosols, AOD - aerosol optical depth, MODIS - Moderate Resolution Imaging Spectroradiometer
Aerosol optical properties of biomass burning emissions are critical parameters determining how these emissions impact the Earth's climate. Despite their importance, field measurements of aerosol optical properties from fires remain scarce. Aerosol emissions from prescribed…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: PM - particulate matter, black carbon, aerosol optical properties, PM2.5, emission factors, South Carolina, Florida
Two specific fires from 2011 are tracked for local to regional scale contribution to ozone (O3) and fine particulate matter (PM2.5) using a freely available regulatory modeling system that includes the BlueSky wildland fire emissions tool, Spare Matrix Operator Kernel Emissions…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Rocky Mountain, Southwest
Keywords: Wallow Fire, Flint Hills, ozone, PM2.5, air quality, wildfire, photochemistry, BlueSky Modeling Framework, smoke models, Spare Matrix Operator Kernel Emissions (SMOKE) model, WRF - Weather Research and Forecasting, CMAQ - Community Multiscale Air Quality Modeling System
The 2013 Rim Fire was the third largest wildfire in California history and burned 257 314 acres in the Sierra Nevada Mountains. We evaluated air-quality impacts of PM2.5 from smoke from the Rim Fire on receptor areas in California and Nevada. We employed two approaches to…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): California
Keywords: 2013 Rim Fire, Sierra Nevada, PM2.5, PM - particulate matter, air quality, urban areas, rural areas, wildfires, climate change, particulates
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: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Southern
Keywords: biomass burning, aerosols, Texas, PM2.5, PM - particulate matter, organic aerosols
We investigated health effects associated with fine particulate matter during a long-lived, large wildfire complex in northern California in the summer of 2008. We estimated exposure to PM2.5 for each day using an exposure prediction model created through data-adaptive machine…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Models, Safety
Region(s): California
Keywords: health effects, wildland fires, climate change, vulnerable populations, asthma, air pollution, PM - particulate matter, fire case histories, wildfires, air quality, diseases, health factors, particulates, pollution, statistical analysis, fire management
Understanding the emissions of mercury (Hg) from wildfires is important for quantifying the global atmospheric Hg sources. Emissions of Hg from soils resulting from wildfires in the Western United States was estimated for the 2000 to 2013 period, and the potential emission of Hg…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: literature review, Hg - mercury, soil temperature, soil heating, fire severity, FOFEM - First Order Fire Effects Model, fire intensity, wildfires, fire management, soil management
This study estimated the economic costs associated with morbidity from the wildfires that occurred in 2007 in southern California. We used the excess number of hospital admissions and emergency department visits to quantify the morbidity effects and used medical costs to…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects
Region(s): California
Keywords: cost of illness, air quality, forest fire, respiratory illness, social cost, public health
Wildfire emissions in the boreal forests yield an important contribution to the chemical budget of the troposphere. To assess the contribution of wildfire to the emissions of atmospheric trace species in the Great Xing’an Mountains (GXM), which is also the most severe fire-prone…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Hazard and Risk, Intelligence, Models
Region(s): International
Keywords: wildfires, satellite, China, burned area, boreal forests, fire activity, fire scars, fire size, aerosols, air quality, particulates, remote sensing, fire management, forest management
Predictions of O3, CO, total NOy and individual NOy species (NO, NO2, HNO3, PAN, alkyl nitrates and aerosol nitrate) from a fine resolution regional air quality modeling system for the South Coast Air Basin (SoCAB) and San Joaquin Valley Air Basin (SJVAB) of California are…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California
Keywords: ozone, CO - carbon monoxide, wildfires, reactive nitrogen, air quality, fire plumes, N - nitrogen, fire management, smoke management
Background and objective: The 2006-2007 wildfire period was one of the most extensive and long lasting fires in Australian history with high levels of fine particulate matter (PM2.5). Large populations were exposed to smoke for over 2 months. The study aimed to investigate the…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: Australia, PM - particulate matter, PM2.5 airborne concentrations, health risk, asthma
Global warming is expected to considerably impact wildfire activity and aerosol emission release in the future. Due to their complexity, the future interactions between climate change, wildfire activity, emission release, and atmospheric aerosol processes are still uncertain.…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: global warming, fire activity, aerosol emissions, SPITFIRE-JSBACH, RCP - representative concentration pathway
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
The combined use of chemical analysis of organic molecules in atmospheric aerosols (PM1) collected in situ in Barcelona and optical measurements with a light detection and ranging (LIDAR) instrument allowed the characterization of the smoke plume from a wildfire that reached the…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Intelligence, Models
Region(s): International
Keywords: organic aerosols, levoglucosan, PAH - polycyclic aromatic hydrocarbons, LiDAR - Light Detection and Ranging, FLEXPART, Spain, air quality, biomass burning, wildfires, aerosols, remote sensing, fire management, smoke management, urban habitats
A novel video-based method is proposed for long-distance wildfire smoke detection. Since the long-distance wildfire smoke usually moves slowly and lacks salient features in the video, the detection is still a challenging problem. Unlike many traditional video-based methods that…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: smoke detection, China, MSER - Maximally Stable Extremal Region, region tracking, smoke motion