Type
Topic
Region
Year
Displaying 51 - 75 of 147
Mediterranean shrublands are water-limited and fire-prone ecosystems. Post-fire seed regeneration occurs under a rainfall regime that is highly variable, with frequent drought periods. It has been shown that smoke can alter germination performance in numerous species, but little…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: karrikins, stress, drought, hydrotime, physical dormancy, soft-coated seeds, Mediterranean shrublands, Spain
Weather radar has demonstrated the ability to monitor wildfires and associated smoke plumes. However, the long-range, S-band operational radar network has severe limitations in providing high-resolution observations in the lower atmosphere due to the earth curvature. This paper…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory, Weather
Region(s): International
Keywords: China, radar
Seasonal-mean concentrations of particulate matter with diameters smaller than 2.5 μm (PM2.5) have been decreasing across the United States (US) for several decades, with large reductions in spring and summer in the eastern US. In contrast, summertime-mean PM2.5 in the western…
Person:
Year: 2019
Type: Document
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: PM - particulate matter, PM2.5, fire frequency, area burned, smoke plumes, GEOS-Chem, GEOS-Chem CTM
The Pacific Northwest 2018 Wildland Fire Season: Summary of key events and issues offers an overview of key lessons and issues from the 2018 fire season. This document gathers key events from sub-regions and from specific fires; synthesizes key data and lessons learned from the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Safety, Weather
Region(s): Northwest
Keywords: lessons learned, fire ignitions, area burned, fire management, fire size, fire cost, drought, aviation operations, UAV - unmanned aerial vehicles, fuel treatment effectiveness
Biomass burning caused by anthropogenic activity such as agriculture-burning periods (common practice during harvesting, post-harvesting, or preplanting) or naturally occurring forest fires, and domestic biofuel combustion is a frequent phenomenon causing global concern.…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Russia, wildfire event, long-range transport, BBA - biomass burning aerosol, radioactive aerosol, K - potassium, total beta, agricultural burning, Greece, aerosols
Prescribed fire and wildfire in the Western US have long been critical ecological processes used by humans, specifically Native Americans, to manage the plant species, insects, and diseases present in a landscape. However, policies of fire suppression have led to a decrease in…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: PM2.5, PM - particulate matter, fire suppression, literature review
Biomass burning (BB) is a major source of black carbon (BC), but comparing BC content of different smoke-impacted air masses may be uncertain if different measurement techniques are used to quantify the BC, or if non-BC fractions influence a given measurement. To investigate…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: biomass burning, black carbon, aerosols, emission factors
A unique event of long-range transport of biomass burning aerosol over Europe is detected by EARLINET and CALIPSO during 18-23 June 2017. The origin of these layers was a series of deadly wildfires that started in Portugal on 17 June 2017. This is the first time that smoke…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Portugal, pyro-Cb, biomass, wildfires, smoke transport, FRP - Fire Radiative Power
Mercury emissions from biomass burning contribute significantly to the atmospheric mercury budget and the interannual variation of mercury concentrations in the troposphere. This study developed a high-resolution (0.1° × 0.1°) monthly inventory of mercury emissions from biomass…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Central America, South America, Africa, Asia, mercury emissions, biomass burning, forest fires, tropical continents, spatiotemporal variation
Natural capital will be depleted rapidly and excessively if the long-term, offsite impacts of depletion are ignored. By examining the case of tropical forest burning, we illustrate such myopia: Pursuit of short-term economic gains results in air pollution that causes long-term,…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: Indonesia, sustainable development, environmental health, oil palm, cost-benefit analysis, health, irreversibility, public health
Smoke from forest fires is a growing concern in Korea as forest structures have changed and become more vulnerable to fires associated with climate change. In this study, we developed a Korean forest fire smoke dispersion prediction (KFSDP) system to support smoke management in…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Mapping, Models
Region(s): International
Keywords: forest fire, smoke dispersion, Gaussian plume model, forecast system, Korea, GIS - geographic information system, PM2.5, PM - particulate matter, PM10, fuel loading
Background: An important consequence of wildland fire is the production of ash, defined as a continuum of mineral to charred organic residues formed by the burning of wildland fuels. Ash may impact soil health depending on its elemental composition and other factors, which are…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire, Restoration and Rehabilitation
Region(s): Eastern
Keywords: Wisconsin, pine barrens, brush cutting, disturbance, forest management, Moquah Barrens, pyrometer, ash
The Fire and Smoke Model Evaluation Experiment (FASMEE) is designed to collect integrated observations from large wildland fires and provide evaluation datasets for new models and operational systems. Wildland fire, smoke dispersion, and atmospheric chemistry models have become…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): Southern
Keywords: FASMEE - Fire and Smoke Model Evaluation Experiment, mixed conifer forest, southern pine forests, plume dynamics, dispersion, chemistry
A series of small-scale laboratory fires were conducted to study the relationship between fuel type, moisture content, energy released and emissions during the combustion process of live wildland fuels. The experimental design sought to understand the effects that varying…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): California, Eastern
Keywords: FRE - Fire Radiative Energy, moisture content, remote sensing, pyrophytic, laboratory fires, fuel type, FRP - Fire Radiative Power, PM2.5, PM - particulate matter
Urinary 1-hydroxypyrene (OH-Pyr) is widely used for biomonitoring human exposures to polycyclic aromatic hydrocarbons (PAHs) from air pollution and tobacco smoke. However, there have been few rigorous validation studies reported to ensure reliable OH-Pyr determination for…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Hazard and Risk, Safety
Region(s): International
Keywords: Canada, PAH - polycyclic aromatic hydrocarbons, firefighters, air pollution, Fort McMurray Fire, firefighter health, risk assessment, smoke exposure, urinary biomarkers
The damage caused by forest fire to forestry resources and economy is quite serious. As one of the most important characters of early forest fire, smoke is widely used as a signal of forest fire. In this paper, we propose a novel forest fire smoke detection method based on…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: smoke detection, smoke root, interactive modeling, fire detection
The rate of deforestation in Brazil increased by 29% between 2015 and 2016, resulting in an increase of greenhouse gas emissions (GHG) of 9%. Deforestation fires in the Amazonia are the main source of GHG in Brazil. In this work, amounts of CO2, CO, main hydrocarbon gases and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Brazil, Amazon, emission factors, PM2.5, CO2 - carbon dioxide, forest fires, greenhouse gas emissions, deforestation
The extent of the Earth’s surface burned annually by fires is affected by a number of drivers, including but not limited to climate. Other important drivers include the amount and type of vegetation (fuel) available and human impacts, including fire suppression, ignition, and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: area burned, climate change, fire activity, systems approach, area burned, human impacts
The boreal forest is a globally critical biome for carbon cycling. Its forests are shaped by wildfire events that affect ecosystem properties and climate feedbacks including greenhouse gas (GHG) emissions. Improved understanding of boreal forest floor processes is needed to…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: boreal forest, wildfire disturbance, greenhouse gas emissions, carbon dynamics, forest floor, chronosequence, time since last fire, Pleurozium schreberi, Sweden
Volatile organic compound (VOC)-based fire-risk assessment systems for woodland fires can shorten the time between a fire outbreak and the arrival of fire crews. This can prevent the development of crown fires, which are harder to control than ground fires. Semi-conductor metal-…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Fire Prevention
Region(s): International
Keywords: combustion, Eucalyptus globulus, tree, fire management, VOC - volatile organic compounds, Germany, fire detection
Research in the pursuit of better understanding of fire behavior and fire‐atmosphere interaction has frequently encountered a dearth of observational data, especially from events that cause most impact. Here we show that meteorological radar has been demonstrated as an effective…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Weather
Region(s): International
Keywords: Australia, radar, wildfires, plume dynamics, fire-atmosphere interaction, pyroconvection
Wildfires are increasing in prevalence and intensity and emit large quantities of persistent organic and inorganic pollutants. Recent fires have caused elevated concerns that residual pollutants in indoor environments pose a long‐term health hazard to residents; however, to date…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: Alberta, Canada, PAH - polycyclic aromatic hydrocarbons, wildfires, trace elements, pollution, arsenic, pollutants, health impacts
The African continent continuously experiences extreme aerosol load conditions, during which the World Health Organizational (WHO) clean air standard of 10 μgm‐3 of PM2.5 mass is systematically exceeded. Africa holds the world largest source of desert dust emissions, undergoes…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Africa, air pollution, mortality, air quality, desert dust, biomass burning, PM2.5, PM - particulate matter
Fires play a critical role in modulating regional and global climate through disturbances on meteorological, biogeochemical, and hydrological processes, while fires are strongly affected by climate, terrestrial ecosystems, and human activities. The complex climate‐fire‐ecosystem…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: earth system models, model development, fire-climate interactions
Forest fires are a significant contributor to global greenhouse gas (GHG) emissions. Accurate reporting of GHG emissions from forest fires requires development of detailed methodologies and country specific data for estimating emissions. In recent years, Australia has updated…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: Australia, forest policy, REDD+, results-based payments, forest management, forest fuels, CO2 - carbon dioxide, recovery, greenhouse gas emissions, IPCC