Type
Topic
Region
Year
Displaying 76 - 100 of 234
Feedbacks between climate warming, land surface aridity, and wildfire-derived aerosols represent a large source of uncertainty in future climate predictions. Here, long-term observations of aerosol optical depth, surface level aerosol loading, fire-area burned, and hydrologic…
Person:
Year: 2017
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: aerosol loading, aridity, climate warming, area burned
Aerosols emitted by landscape fires affect many climatic processes. Here, we combined an aerosol–climate model and a coupled climate-carbon model to study the carbon cycle and climate effects caused by fire-emitted aerosols (FEA) forcing at the top of the atmosphere and at the…
Person:
Year: 2017
Type: Document
Source: FRAMES, TTRS
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: aerosols, forcing, carbon cycle, C - carbon
Haze pollution over the past four decades in Southeast Asia is mainly a result of forest and peatland fires in Indonesia. The economic impacts of haze include adverse health effects and disruption to transport and tourism. Previous studies have used a variety of approaches to…
Person:
Year: 2017
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire Prevention
Region(s): International
Keywords: WTP - willingness to pay, Singapore, Indonesia, haze, health effects
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
Three topics were presented by three different speakers: 1) Tom Spies presents Fire Regime: Past, Present, Future; Addressing Multiple perspectives; 2) Steve Acker presents Ecology: Effects of fire on Vegetation; and 3) Jane Kertis presents Opportunities and Challenges to…
Person: Spies, Acker, Kertis
Year: 2017
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Mapping, Restoration and Rehabilitation
Region(s): Northwest
Keywords: fire regimes, succession, Willamette National Forest, fire activity, fire return interval
The Missoula Fire Lab Emission Inventory (MFLEI) is a retrospective, daily wildfire emission inventory for the contiguous United States with a spatial resolution of 250 meters (m). MFLEI was produced using multiple datasets of fire activity and burned area, a newly developed…
Person:
Year: 2017
Type: Data
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Mapping
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: C - carbon, biomass burning, smoke dispersion, fire activity, burned area
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
The volatile nature of biomass burning organics may complicate the evolution of organics in laboratory smog-chamber experiments and in ambient plumes. We simulate the evolution of organic mass (including gas and particles) in the chamber experiments using the TwO-Moment Aerosol…
Person:
Year: 2017
Type: Data
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosol formation, biomass burning, laboratory experiments, plume
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
Prescribed fire (rx fire) is a safe way to apply a natural process, ensure ecosystem health and reduce wildfire risk. This webinar will provide an introduction to prescribed fire for air quality and air resource specialists as well as other non-fire professionals. Knowledge of…
Person: Long
Year: 2017
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Planning, Prescribed Fire, Safety, Weather
Region(s): Southern
Keywords: SFE - Southern Fire Exchange, fire regimes, fire suppression effects, fire-adapted ecosystems, animals, fire reduction, combustion, fire spread, ignition method, smoke management
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
The Western Governors’ Association hosted the webinar, Prescribed Fire: Smoke Management and Regulatory Challenges on Dec. 19, 2017 as part of the series for the National Forest and Rangeland Management Initiative. Prescribed fire is a tool for land managers to address wildfire…
Person: Lahm, Melvin, Uhl
Year: 2017
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Models, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, legal liability, land management, wildfires, smoke management, exceptional event, smoke management plan