Type
Topic
Region
Year
Displaying 51 - 75 of 160
In Indonesia, drought driven fires occur typically during the warm phase of the El Niño Southern Oscillation. This was the case of the events of 1997 and 2015 that resulted in months-long hazardous atmospheric pollution levels in Equatorial Asia and record greenhouse gas…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: Indonesia, ENSO - El Nino Southern Oscillation, drought, greenhouse gas emissions, fire probability, temperature
In this study, we estimate rice residue, associated burning emissions, and compare results with existing emissions inventories employing a bottom-up approach. We first estimated field-level post-harvest rice residues, including separate fuel-loading factors for rice straw and…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: Vietnam, cropland fires, crop residues, GFED - Global Fire Emissions Database, PM2.5, PM - particulate matter
Forest and peatland fires during the 2015 El Niño drought were amongst the worst on record in Southeast Asia. They were a major contributor of carbon emissions across the region, with the associated smoke-induced haze causing an air pollution crisis that affected millions of…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Singapore, biodiversity, drought, haze, air pollution, human health
The 2015 smoke haze episode was one of the most severe and prolonged transboundary air pollution events ever seen in Southeast Asia (SEA), affecting the air quality of several countries within the region including Indonesia, Malaysia and Singapore. The 24 h mean outdoor PM2.5 (…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: Indonesia, Malaysia, Singapore, PM2.5, haze, human health, PM - particulate matter, air quality
Changing fire dynamics and increasing global temperatures are causing changes to the fire regime and permafrost stability in the Arctic. Models have separately predicted the widespread thawing of permafrost and increasing magnitude and intensity of wildfires over the next…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, International
Keywords: wildfires, Canada, permafrost, permafrost thaw, fire regime, Arctic, carbon storage, Northwest Territories, thermokarst, peat
Ambient and fire-induced atmospheric turbulence in the vicinity of wildland fires can affect the behavior of those fires and the dispersion of smoke. The presence of forest overstory vegetation can further complicate the evolution of local turbulence regimes and their…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): Eastern
Keywords: turbulence, New Jersey, Pinelands National Reserve, turbulent kinetic energy, smoke dispersion, fire front
Smoke from fire can sharply reduce air quality by releasing particulate matter, one of the most dangerous types of air pollution for human health. A third of U.S. households have someone sensitive to smoke. Minimizing the amount and impact of smoke is a high priority for land…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Hazard and Risk, Models, Prescribed Fire, Restoration and Rehabilitation
Region(s): California, Northwest, Rocky Mountain
Keywords: air quality, risk reduction, air resource management, fire management, BlueSky Modeling Framework
Secondary organic aerosol (SOA) has been shown to form in biomass-burning emissions in laboratory and field studies. However, there is significant variability among studies in mass enhancement, which could be due to differences in fuels, fire conditions, dilution, and/or…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: organic aerosols, biomass burning, plumes, laboratory experiments
Black carbon (BC) concentrations observed in 22 snowpits sampled in the northwest sector of the Greenland ice sheet in April 2014 have allowed us to identify a strong and widespread BC aerosol deposition event, which was dated to have accumulated in the pits from two snow storms…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, International
Keywords: Canada, Greenland, black carbon, LiDAR - Light Detection and Ranging, WRF-Chem, deposition, wildfires
In 2002, an enormous amount of smoke has been emitted from Yakutsk wildfires. In this study, we examine the impact of smoke on cloud properties and precipitation associated with frontal systems using the WRF-Chem-SMOKE model and satellite data. The smoke emissions are computed…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Models, Weather
Region(s): International
Keywords: Yakutsk, WRF-Chem, satellite data, Russia, organic matter, black carbon, clouds, biomass burning, aerosols
Quantifying biomass consumption and carbon release is critical to understanding the role of fires in the carbon cycle and air quality. We present a methodology to estimate the biomass consumed and the carbon released by the California Rim fire by integrating postfire airborne…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Mapping
Region(s): California
Keywords: LiDAR - Light Detection and Ranging, biomass consumption, C - carbon, megafires, Landsat, scientific data integration, 2013 Rim Fire, carbon release
Climate forecasts predict an increase in frequency and intensity of wildfires. Associations between health outcomes and population exposure to smoke from Washington 2012 wildfires were compared using surface monitors, chemical-weather models, and a novel method blending three…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Models, Safety
Region(s): Northwest
Keywords: Washington, public health, PM2.5, cardiopulmonary, WRF-Chem, epidemiology, cardiovascular effects, respiratory effects, hospitalizations
Northern boreal forests are sensitive to many effects of global change. This is of particular concern due to the proportionally greater climate change projected for the area in which these forests occur. One of the sensitive areas is the Far North of Ontario (FNO), consisting of…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Hazard and Risk
Region(s): International
Keywords: boreal forest, wildfires, Canada, northern Ontario, tundra, carbon balance
This study examines major wildfires in the western United States between 2005 and 2015 to determine which species exhibit the highest percent change in mass concentration on day of peak fire influence relative to preceding nonfire days. Forty-one fires were examined using the…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northwest, Rocky Mountain, Southwest
Keywords: aerosol, IMPROVE, biomass burning, chloride, dust, NAAPS - Navy Aerosol Analysis and Prediction System, organic aerosols
In the western U.S., smoke from wild and prescribed fires can severely degrade air quality. Due to changes in climate and land management, wildfires have increased in frequency and severity, and this trend is expected to continue. Consequently, wildfires are expected to become…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): Northwest
Keywords: Washington, wildfires, exposure, satellites, smoke exposure, air pollution, regression models, PM2.5, WRF-Chem
Savanna fires contribute significantly to global aerosol loading and hence to the Earth's radiative budget. Modeling of the climatic impact of these aerosols is made difficult due to a lack of knowledge of their size distribution. Australia is the third largest source of global…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, savannas, wildfires, aerosols, gases, emission factors, Northern Territory of Australia, trace gases
Burn area and the frequency of extreme fire events have been increasing during recent decades in North America, and this trend is expected to continue over the 21st century. While many aspects of the North American carbon budget have been intensively studied, the net…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, International
Keywords: wildland fire, wildfires, Canada, C - carbon, carbon dynamics, carbon flux, boreal forest
In Chile, significant amounts of native forests as well as pine and eucalyptus plantations are lost yearly as a result of forest fires. Besides the effect of high temperatures on the soil and destruction of the plant cover, the ashes originating from these fires end up spread…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: ash, trace element analysis, leaching, volcanic soils, Chile
An issue of great concern on federal lands is wildland fires, which have increased in frequency and strength over the past few decades as a possible consequence of climate change. Modeling wildfires under an evolving climate is challenging: there are disparate spatial and…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Models, Weather
Region(s): Southern
Keywords: climate change, air quality, fuel load, NAAQS - National Ambient Air Quality Standards, fire activity
Smouldering ground fires have severe environmental implications. Their main effects are the release of large amounts of carbon to the atmosphere with loses of organic soil and its biota. Quantitative data on the behaviour of smouldering wildfires are very scarce and are needed…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models
Region(s): International
Keywords: carbon emissions, charcoal, combustion, ground fires, infrared imagery, Andes, Peru, smoldering fires, peatlands, fuel consumption
When it comes to unnecessary risk and exposure to heat, smoke, fatigue, and noise, could you be a “Bad Ass” or a “Dumb Ass”? Maybe it’s time you put a pinch of practical in your tactical pause. George Broyles, Fire and Fuels Project Leader for the U.S. Forest Service’s National…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: LLC - Lessons Learned Center, firefighter health, firefighter safety, smoke exposure, heat stress, heat-related illness, fatigue, noise, safety zone
This study focused on prioritization of fuel reduction treatments in fire-prone landscapes with diverse ownership patterns. In the first phase, the study implemented mail survey and contingent valuation (CV) methods to identify Mississippi’s landowner attitudes towards wildfires…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: contingent valuation, cost, fuel reduction treatments, mail survey, optimization, monetary valuation, wildfires, WTP - willingness to pay
In a pair of review papers, Potter (2012a, 2012b) summarized the significant fire weather research findings over about the past hundred years. Our scientific understanding of wildland fire-atmosphere interactions has evolved: from simple correlations supporting the notion that…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire-atmosphere interaction, fire meteorology, NEXRAD doppler radar images, microclimate
Convection and downbursts are connected meteorological phenomena with the potential to affect fire behavior and thereby alter the evolution of a wildland fire. Meteorological phenomena related to convection and down-bursts are often discussed in the context of fire behavior and…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: convection, downburst, atmospheric dynamics, meteorological factors
Smoke can manifest itself as a towering plume rising against the clear blue sky-or as a vast swath of thick haze, with fingers that settle into valleys overnight. It comes in many forms and colors, from fluffy and white to thick and black. Smoke plumes can rise high into the…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): California, Great Basin, Northern Rockies, Northwest, International
Keywords: public health, air quality, smoke particulates, PM - particulate matter, Canada, British Columbia, smoke plumes, superfog