Type
Topic
Region
Year
Displaying 176 - 200 of 392
This study attempts to understand the effect of the main fire factors (smoke, ash and heat) on the germination of three invasive species widely distributed in many countries: Acacia melanoxylon, Conyza canadensis and Eucalyptus globulus. Fifteen simple treatments were tested: 3…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: ash, germination, heat, invasive species, Spain, Eucalyptus globulus, Conyza canadensis, post-fire response, Acacia melanoxylon, heat effects, post-fire recovery, smoke effects, Canadian horseweed, blue gum, Europe, fire management, forest management, smoke management
Fuel consumption predictions are necessary to accurately estimate or model fire effects, including pollutant emissions during wildland fires. Fuel and environmental measurements on a series of operational prescribed fires were used to develop empirical models for predicting fuel…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain
Keywords: Artemisia tridentata, big sagebrush, area burned, shrubs, burn season, fuel consumption
Boreal forests constitute the world's largest terrestrial carbon pools. The main natural disturbance in these forests is wildfire, which modifies the carbon budget and atmosphere, directly and indirectly. Wildfire emissions in Russia contribute substantially to the global carbon…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke
Region(s): International
Keywords: area burned, carbon cycle, land cover, Siberia, fuel consumption, fire hazard reduction, fire size, wildfires, air quality, C - carbon, cover, mosaic, remote sensing, Russia, fire management, forest management, fuel management, boreal forests, grasslands, taiga, tundra, wetlands
The air in the valley settles like a grey blanket, engulfing residents with lingering smoke for what could be days or weeks. The smoke might come from a wildfire being fought miles away, a prescribed burn, or a neighbor's woodstove or burn pile. The wind may sweep this low-…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Hazard and Risk, Safety, Social Science
Region(s): Northwest
Keywords: public opinion, smoke impacts, public perceptions, NWFSC - Northwest Fire Science Consortium
The worldwide 'wildfire' problem is headlined by the loss of human lives and homes, but it applies generally to any adverse effects of unplanned fires, as events or regimes, on a wide range of environmental, social, and economic assets. The problem is complex and contingent,…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biodiversity, fire management, fire regime, adaptation, policy, fatalities, disaster, assets
Fire disturbance is a primary driver of forest dynamics across the circumpolar boreal region, although there are major differences in continental fire regimes. Relatively infrequent, high intensity crown fires dominate North American boreal forests, and low to moderate intensity…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Models, Weather
Region(s): Alaska, International
Keywords: boreal forest, Canada, fire regimes, carbon emissions, Russia, global climate models, fire intensity, fire size, surface fires, wildfires, air quality, C - carbon, climate change, disturbance, fire management, forest management, coniferous forests
Boreal forest dynamics are largely driven by disturbance, and fire is a prevalent force of change across the boreal circumpolar region. North American and Eurasian boreal fire regimes are known to be very different but there are few quantitative comparison studies. Russian and…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Models, Weather
Region(s): International
Keywords: boreal forest, Canada, fire regimes, carbon emissions, Russia, fire danger rating, fire intensity, fuel loading, fuel types, rate of spread, wildfires, air quality, C - carbon, fire management, forest management
The ability to predict forest fuel consumption is critical, namely in the frame of hazard-reduction burning treatments designed to achieve effective fuel reduction with minimal environmental impact. Litter and understory fine fuels (diameter <0.6 cm) consumption by fire were…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): International
Keywords: fuel moisture, CO2 - carbon dioxide, Portugal, fire danger rating, fuel consumption, Mediterranean pine forest, experimental fire, fine fuels, fire hazard reduction, fuel loading, surface fires, air quality, litter, understory vegetation, Pinus pinaster, fire management, maritime pine, forest management, fuel management, Mediterranean habitats, pine forests
Areas affected by forest fires that occurred in 2005 were mapped in the municipalities of Boca do Acre and Lábrea (in the southern part of Brazil's state of Amazonas) and estimates were made of the loss of biomass and carbon stock and the committed emissions from increased tree…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Mapping
Region(s): International
Keywords: carbon emissions, global warming, greenhouse gases, satellite imagery, Amazon, Brazil, fire injuries (plants), fire scar analysis, fire size, wildfires, air quality, biomass, C - carbon, mortality, remote sensing, fire management, forest management, tropical forest
An extensive program of experiments focused on biomass burning emissions began with a laboratory phase in which vegetative fuels commonly consumed in prescribed fires were collected in the southeastern and southwestern US and burned in a series 5 of 71 fires at the US Forest…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern, Southwest
Keywords: field experimental fires, trace gas emissions, emission factors, laboratory experiments, biomass burning
Models of fire behavior and effects do not always make accurate predictions, and there is not enough systematically gathered data to validate them. To help advance fire behavior and fire effects model development, the Joint Fire Science Program is helping fund the RxCADRE, which…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aircraft, fire data, RxCADRE
Forest and land fires in Riau province of Sumatera increase along with the rapid deforestation, land clearing, and are induced by dry climate. Forest and land fires, which occur routinely every year, cause trans-boundary air pollution up to Singapore. Economic losses were felt…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Sumatra, haze, air pollution, aerosols
Biomass burning plays a critical role not only in atmospheric emissions, but also in the deposition and redistribution of biologically important nutrients within tropical landscapes. We quantified the influence of fire on biogeochemical fluxes of nitrogen (N), phosphorus (P),…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: biomass burning, Borneo, nutrients, N - nitrogen, P - phosphorus, S - sulfur, biogeochemical dynamics, PM - particulate matter, MODIS - Moderate Resolution Imaging Spectroradiometer, Indonesia
Wildland fires present a challenging environment to make meteorological measurements. Observations in the vicinity of wildland fires are needed to better understand fire-atmosphere interactions and to provide data for the evaluation of coupled fire-atmosphere models. An…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California
Keywords: Doppler lidar, fire plumes, divergence
Seedlings of Phacelia strictiflora A.L. de Jussieu (Hydrophyllaceae) germinate profusely after major fires in the Cross Timbers forest of Oklahoma and rarely at other times and places. Seed germination was greatly enhanced under laboratory conditions by exposure to a water…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): Southern
Keywords: germination, smoke-induced germination, Oklahoma, Phacelia strictiflora, regeneration
Tropical peatland fires play a significant role in the context of global warming through emissions of substantial amounts of greenhouse gases. However, the state of knowledge on carbon loss from these fires is still poorly developed with few studies reporting the associated mass…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Fire Effects, Emissions and Smoke
Region(s): International
Keywords: Indonesia, peatland fires, carbon loss, fire frequency
Finding novel ways to plan and implement landscape-level forest treatments that protect sensitive wildlife and other key ecosystem components, while also reducing the risk of large-scale, high-severity fires, can prove to be difficult. We examined alternative approaches to…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Fuels, Fire Occurrence, Emissions and Smoke, Models, Fire Behavior
Region(s): California
Keywords: optimization, fuel treatments, mixed conifer, burn probability, fire spread
Wildland fire management has reached a crossroads. Current perspectives are not capable of answering interdisciplinary adaptation and mitigation challenges posed by increases in wildfire risk to human populations and the need to reintegrate fire as a vital landscape process.…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Aquatic, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fires, adaptation, mitigation, resilience, information sharing
[from the text] Our last research brief focused on managing smoke emissions using a decision support system in the wildland-urban interface (WUI). The authors of this system used a look-up table approach using smoke dispersion and fuel parameters to estimate the impact of smoke…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, PM - particulate matter, smoke plume simulations, Gaussian Dispersion Models, BlueSky Modeling Framework, CALPUFF, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory
Global change models predict that high-latitude boreal forests will become increasingly susceptible to fire activity as climate warms, possibly causing a positive feedback to warming through fire-driven emissions of CO2 into the atmosphere. However, fire-climate feedbacks depend…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire Occurrence, Models
Region(s): Alaska
Keywords: climate warming, C - carbon, N - nitrogen, succession, black spruce, Picea mariana, trembling aspen, Populus tremuloides, paper birch, Betula neoalaskana, deciduous forests, boreal forest, post-fire recovery, wildfires, climate change, overstory, fire management, forest management, Alaskan birch, quaking aspen
Wildfires are by far the largest contributor to global biomass burning and constitute a large global source of atmospheric traces gases and aerosols. Such emissions have a considerable impact on air quality and constitute a major health hazard. Biomass burning also influences…
Person:
Year: 2016
Type: Document
Source: FRAMES, 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: CO2 - carbon dioxide, fire models, wildfires, aerosols, air quality, gases, fire management, smoke management
Smoke measurements were made during grass and forest understorey prescribed fires as part of a comprehensive programme to understand fire and smoke behaviour. Instruments deployed on the ground, airplane and tethered aerostat platforms characterised the smoke plumes through…
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Prescribed Fire
Region(s): Southern
Keywords: black carbon, combustion efficiency, emission factor, PM - particulate matter, understory vegetation, RxCADRE, combustion, firing techniques, smoke behavior, Florida, air quality, biomass, CO2 - carbon dioxide, CO - carbon monoxide, CH4 - methane, military lands, particulates, fire management, forest management, smoke management, grasslands
The goal of this paper is to describe the overall meteorological measurement campaign design and methods and present some initial results from analyses of two burn experiments.
Person:
Year: 2016
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Prescribed Fire, Weather
Region(s): Southern
Keywords: Doppler lidar, micrometeorology, RxCADRE, low intensity burns, military lands, wind, fire management, smoke management
Characterising radiation from wildland fires is an important focus of fire science because radiation relates directly to the combustion process and can be measured across a wide range of spatial extents and resolutions. As part of a more comprehensive set of measurements…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire
Region(s): Southern
Keywords: FRP - Fire Radiative Power, MODIS - Moderate Resolution Imaging Spectroradiometer, remote sensing, UAS - Unmanned Aircraft System, VIIRS - Visible Infrared Imaging Radiometer Suite, WASP - Wildfire Airborne Sensor Platform , RxCADRE
The lack of independent, quality-assured field data prevents scientists from effectively evaluating and advancing wildland fire models. To rectify this, scientists and technicians convened in the south-eastern United States in 2008, 2011 and 2012 to collect wildland fire data in…
Person:
Year: 2016
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire, Weather
Region(s): Southern
Keywords: model evaluation, RxCADRE, aircraft