Skip to main content

Displaying 101 - 125 of 275

The California chaparral community has a rich flora of species with different mechanisms for cuing germination to postfire conditions. Heat shock triggers germination of certain species but has no stimulatory effect on a great many other postfire species that are chemically…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): California
Keywords: chaparral, fire, NO2 - nitrogen dioxide, scarification, smoke-induced germination, seed coat

This policy statement has been prepared in response to plans by some Federal, tribal and State wildland owners/managers to significantly increase the use of wildland and prescribed fires to achieve resource benefits in the wildlands. Many wildland ecosystems are considered to…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Outreach, Planning, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire management, air pollution, smoke management, visibility, smoke management plan, air quality management

I am going to talk about the agency I work for and our workload here in Southern Arizona. We are working with private ranchers on non federal land, to get fire back on those ecosystems, and mesh it with grazing management. One of the biggest problems confronting us is to use…
Person:
Year: 1998
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science
Region(s): Southwest
Keywords: Arizona, livestock, private lands, fire reintroduction, ranching, agriculture, air quality, conservation, deserts, drought, ecosystem dynamics, fine fuels, fire management, fire size, grasses, grasslands, grazing, plant communities, range management, smoke management, soil conservation

Burning of slashed tropical forests and pastures is among the most significant global sources of atmospheric emissions, yet the composition of the fuels and fires that creates these emissions is not well characterized. As part of the Smoke, Clouds, and Radiation-Brazil (SCAR-B)…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: aboveground biomass, tropical forest, Brazil, pasture, canopy fire

ANNOTATION: Wildland fire has been an integral part of the landscape of the conterminous United States for millennia. Analysis of contemporary and pre-industrial (~ 200 - 500 yr BP) conditions, using potential natural vegetation, satellite imagery, and ecological fire regime…
Person:
Year: 1998
Type: Document
Source: FRAMES, TTRS
Topic(s): Aquatic, Climate, Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire regimes, climate change, emission estimates, biomass burning, pre-industrial conditions, Adenostoma, agriculture, biomass, carbon dioxide, CO - carbon monoxide, chaparral, coastal plain, Appalachian Mountains, coniferous forests, cropland fires, croplands, deserts, ecotones, ecology, everglades, fire danger rating, fire frequency, fire regimes, fuel loading, fuel models, grasslands, grazing, habitat types, Juniperus, land use, landscape ecology, logging, pine forests, pine hardwood forests, Pinus clausa, Pinus ponderosa, pocosins, prairie, presettlement fires, Prosopis, Pseudotsuga menziesii, Quercus, remote sensing, rural communities, savannas, scrub, shrub fuels, shrublands, wilderness areas, wilderness fire management, wildfires, wildlife habitat management

Little information is available on how shifts in forest composition and structure over time resulting from natural succession, disturbance, and human intervention have changed landscapes with respect to fuel build-up, wildfire and prescribed fire smoke production, and…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire History, Fuels, Mapping, Prescribed Fire
Region(s): Northwest
Keywords: crown fire, forest structure, fuel loading, FERA - Fire and Environmental Research Applications Team, forest composition, vegetation patterns, smoke production, interior Columbia River basin

The rate and magnitude of emissions from prescribed burns and wildfires in wildland areas throughout the world are related to biomass consumption, which is controlled by total biomass, fuel moisture, fuel distribution (fuel size and arrangement), and ignition pattern.…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: heat release rate, biomass consumption, biomass emissions, EPM - Emissions Production Model, FERA - Fire and Environmental Research Applications Team, Oregon, Washington, Amazon, Brazil, biomass burning, smoke production

Proceedings from the 2nd Symposium on Fire and Forest Meteorology
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Unknown
Keywords: biomass emissions, FERA - Fire and Environmental Research Applications Team, smoke management, biomass burning

To assist in the management of fire and smoke in the Pacific Northwest (PN\Af) of the United States, a consortium of state and federal agencies are collaborating to support real time, mesoscale, weather and air quality forecasting. The consortium began with agencies concerned…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models, Weather
Region(s): Northwest
Keywords: air pollution, FERA - Fire and Environmental Research Applications Team, MM5 mesoscale model, NFSPUFF, Oregon, real-time weather data, Washington, weather forecast

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