Skip to main content

Displaying 51 - 75 of 126

From the text...'These results indicate that smoke treatments dramatically improve germination of Georgia plume seeds, suggesting that controlled bums may be a useful technique for enhancing seedling recruitment in natural populations. As a result of our study, the GPCA will…
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: artificial regeneration, char, coastal plain, conservation, cover type conversion, distribution, Elliottia racemosa, fire adaptations (plants), fire management, Georgia, germination, hammocks, Myrica, natural areas management, Piedmont, Pinus, plant growth, plant physiology, population ecology, Quercus, regeneration, rocky habitats, season of fire, seed dormancy, seed germination, seed production, seedlings, seeds, smoke effects, temperature, threatened and endangered species (plants), vulnerable species or communities, wilderness areas, wildlife, Wisconsin, wood

Landuse change from forest to urban/suburban at the wildland-urban interface between 1992 and 1997 was assessed relative to increasing fire risk for the eastern U.S. We modeled forest-to-urban expansion using two regional-scale databases. A scaled metric of forest fragmentation…
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Hazard and Risk, Mapping, Models, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Eastern, Southern
Keywords: cover, cover type conversion, evolution, fire danger rating, fire management, forest fragmentation, fragmentation, fuel loading, GIS, habitat conversion, hardwood forests, land use, pine forests, roads, rural communities, smoke management, statistical analysis, urban habitats, wilderness fire management

The fire-maintained longleaf pine ecosystem of the southeastern coastal plain harbors nearly 200 rare and endangered plant species, many of which are dependent on frequent fire for persistence. One such fire-dependent species is the federally endangered hemiparasite, Schwalbea…
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Prescribed Fire, Restoration and Rehabilitation
Region(s): Southern
Keywords: coastal plain, competition, field experimental fires, fire dependent species, fire frequency, fire management, flowering, light, longleaf pine, native species (plants), openings, phosphorus, pine hardwood forests, Pinus palustris, Schwalbea americana, season of fire, seed production, site treatments, smoke effects, smoke management, threatened and endangered species (plants), vulnerable species or communities

In longleaf pine forests, frequent prescribed fires are essential for preventing hardwood encroachment and maintaining low fuel loads. This facilitates pine regeneration, growth of native grasses and legumes, and provides wildlife habitat. However, safety and health issues…
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire History, Fuels, Prescribed Fire, Restoration and Rehabilitation, Safety
Region(s): Southern
Keywords: competition, ecosystem dynamics, fire frequency, fire management, forest management, fuel accumulation, fuel loading, Georgia, grasses, ground cover, hardwood forests, hardwoods, health factors, herbicides, histories, Jones Ecological Research Center, legumes, longleaf pine, native species (plants), overstory, pine forests, Pinus palustris, post fire recovery, regeneration, site treatments, understory vegetation, wildlife, woody plants

Although burning was originally intended as a control measure for blind seed disease in perennial ryegrass, growers soon discovered the benefits of open field burning for other grass seed crops.
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, cropland fires, disturbance, fertilizers, field experimental fires, grass fires, grasses, Lolium, Oregon, perennial plants, plant diseases, plant growth, season of fire, seasonal activities, seed production, seedlings

Emissions from burning the residue following grass-seed harvest have been determined by both field and laboratory studies. Field studies have been conducted by Oregon State University engineers on actual grass plots. The laboratory studies were conducted by scientists at the…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): California, Northwest
Keywords: agriculture, air quality, annual plants, cropland fires, Dactylis glomerata, Festuca, fire management, grasses, Lolium multiflorum, Lolium perenne, Oregon, perennial plants, Poa, pollution

This report summarizes avaiable information on agricultural field burning in the Willamette Valley. Such information should be useful to all concerned with this practice and with the contribution it makes to air pollution in the state. The areas covered include background and…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Northwest
Keywords: agriculture, air quality, cropland fires, fire management, grasses, Lolium perenne, Oregon, perennial plants, pollution

'During the past year, burning treatments on the Miller Creek Block were essentially completed. Preparations for moving to Newman Ridge, on the St. Regis District, this spring are well underway. Current plans call for 16 instrumented fires on Newman Ridge during 1969 to conclude…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk, Prescribed Fire, Weather, Economics
Region(s): Great Basin, Northern Rockies
Keywords: Abies grandis, Abies lasiocarpa, air quality, coniferous forests, duff, fine fuels, fire danger rating, fire intensity, fire management, forest management, fuel loading, Idaho, logging, Montana, Pseudotsuga menziesii, roots, seedlings, slash, soil moisture, soil temperature, Tsuga heterophylla, US Forest Service, weather observations, wildlife

* Objectives To assess the health effects of exposure to smoke from the fifth largest US wildfire of 1999 and to evaluate whether participation in interventions to reduce smoke exposure prevented adverse lower respiratory tract health effects among residents of the Hoopa Valley…
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology
Region(s): California, Great Basin
Keywords: air quality, education, fire case histories, health factors, Native Americans, particulates, public information, smoke effects, smoke management, statistical analysis, wildfires, CDC - Centers for Disease Control and Prevention, community survey

Current research on the effects of slash burning on air quality is concerned with the reduction or dispersal of gaseous emissions and particulates. Guidelines for accomplishing these goals are being developed. The use of other disposal methods is also under study, particularly…
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Regulations and Legislation, Weather
Region(s): California, Great Basin, Northwest
Keywords: air quality, combustion, fire management, fuel moisture, fuel types, gases, histories, logging, mountains, Oregon, particulates, pollution, slash, smoke behavior, smoke effects, smoke management, Washington, wildfires, wind

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Planning, Wildland-Urban Interface (WUI)
Region(s): Alaska, Great Basin, Northwest
Keywords: air quality, catastrophic fires, disturbance, droughts, fire equipment, fire suppression, fishes, forest management, human caused fires, lightning caused fires, logging, multiple resource management, Picea glauca, post fire recovery, recreation, reproduction, rural communities, season of fire, smoke effects, soil erosion, watershed management, wildfires, wildlife management

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation
Region(s): California, Great Basin
Keywords: Adenostoma fasciculatum, air quality, artificial regeneration, brush, chaparral, cover, field experimental fires, fire management, forage, grasslands, habitat conversion, herbaceous vegetation, land management, livestock, mosaic, natural resource legislation, Odocoileus, population density, post fire recovery, range management, season of fire, shrubs, site treatments, soil erosion, wildfires, wildlife, wildlife food habits, wildlife management

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Prescribed Fire
Region(s): Northwest
Keywords: fire intensity, precipitation, smoke behavior, smoke effects, Washington, wildfires

[no description entered]
Person:
Year: 1969
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Weather
Region(s): Northwest
Keywords: precipitation, smoke behavior, smoke effects, Washington, wildfires

The authors present a finite-difference numerical model of heat flow within a horizontal section of a tree stem. Processes included in the model are solar radiative heating, infrared emission and absorption, convective heat exchange between tree surface and the atmosphere, and…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: stem heating, finite-difference numerical model , solar radiative heating, tree stem heat flow

A combined theoretical and experimental study has been performed of the behaviour of firebrands in a turbulent, swirling natural convection plume. For the theoretical treatment, firebrands were idealized as spheres of constant density, the burning rate a constant for each type…
Person:
Year: 1969
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: firebrand, plume, laboratory experiments

The Rocky Mountain Research Station is one of six regional units that make up the USDA Forest Service Research and Development organization-the most extensive natural resources research organization in the world. We maintain 12 field laboratories throughout a 14-state territory…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Mapping, Models, Monitoring and Inventory, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: research, US Forest Service, Rocky Mountain Research Station

The Southern African Regional Science Initiative (SAFARI 2000) is an international science project investigating the earth-atmosphere-human system in southern Africa. The programme was conducted over a two-year period from March 1999 to March 2001. The dry season field campaign…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Africa, airborne measurements

The emissions from burning the residue following grass-seed harvest were determined by means of a combined laboratory-field study. Samples of the straw and stubble residue were burned in the laboratory burning tower at the University of California at Riverside. Complete analyses…
Person:
Year: 1969
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Weather
Region(s): California, Northwest
Keywords: grass, grass fire, laboratory fires, Oregon, PM - particulate matter, laboratory experiments, Willamette Valley, particulate emissions, agriculture, air quality, C - carbon, CO2 - carbon dioxide, CO - carbon monoxide, chemical elements, Dactylis glomerata, experimental areas, Festuca, fire management, fire weather, fuel moisture, fuel types, ground cover, hydrocarbons, Lolium multiflorum, Lolium perenne, moisture, N - nitrogen, particulates, Poa spp., pollution, sampling, season of fire, seasonal activities, smoke effects, smoke management, statistical analysis, temperature, wind

The Northwest Regional Modeling Center (NWRMC) demonstration project was undertaken to determine the feasibility of using the Community Multiscale Air Quality (CMAQ) modeling system to investigate regional haze in the Pacific Northwest. The project was also aimed at establishing…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Northwest
Keywords: FERA - Fire and Environmental Research Applications Team, regional haze, aerosol transport, aerosol formation, MCAQ - Multi-Scale Air Quality modeling system

The ventilation climate information system (VCIS) allows users to assess risks to values of air quality and visibility from historical patterns of ventilation conditions. It is available through an interactive, Internet map server. The Internet server allows maps of ventilation…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: database, FERA - Fire and Environmental Research Applications Team, fire weather data, mixing height, ventilation index, wind speed

We have simulated the dynamical evolution of the plume from a prescribed biomass fire, using the active tracer high-resolution atmospheric model (ATHAM). Initialization parameters were set to reflect the conditions during the fire. The model results are compared with airborne…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire, Weather
Region(s): Northwest
Keywords: biomass burning, FERA - Fire and Environmental Research Applications Team, SCAR-C Smoke, Cloud, and Radiation-C experiment, aerosol transport, aerosol optical properties

A report to NWCG based on a review of existing social science literature, an analysis of social science needs, and a needs assessment based on input from 11 workshops held around the country. The report offers a research agenda that describes what research is needed, why it is…
Person:
Year: 2002
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Outreach, Planning, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire management, wildland fire, NWCG - National Wildfire Coordinating Group

PROJECT OBJECTIVES As requested under Tasks 8 and 9, user-friendly modeling systems designed for local use will be provided for modeling smoke from wildland fires. These tools will provide a means for conducting tradeoff analyses, with a focus on emissions production, of…
Person:
Year: 2002
Type: Project
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: FARSITE - Fire Area Simulator, BEHAVE

Forest fuels reduction has the best chance of success if managers understand the factors that influence public acceptance of fuel management. This article reports an analysis of focus group interviews with wildland-urban interface residents at sites selected to provide variation…
Person:
Year: 2002
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire, Regulations and Legislation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: environmental management, forest management, forest, public relations, fuel management, air quality, catastrophic fires, education, fire damage (property), fire hazard reduction, fire management, fire regimes, fire suppression, hardwood forest, land use, pine forests, escaped prescribed fires, public information, smoke effects