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Fire is a natural phenomenon in Madrean Province ecosystems. Suppression of natural fire has altered ecosystem processes, however. Recognition of these alterations has led to the adoption of let-burn policies by many management agencies, but a let-burn policy has become less…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Planning, Regulations and Legislation, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Great Basin, Southwest
Keywords: aesthetics, Arizona, catastrophic fires, ecosystem dynamics, education, fire hazard reduction, fire management, fire suppression, fuel loading, health factors, herbaceous vegetation, hydrology, liability, lightning caused fires, Madrean habitats, national forests, national parks, plant growth, population density, prescribed fires (chance ignition), private lands, public information, seed production, smoke effects, thinning, water quality, wildfires, wildlife habitat management, natural fire, public safety, public lands, UNINFORMED PUBLIC

The AERONOX programme investigated the impact of NOx emissions from aircraft on the atmosphere and included an extensive modelling programme. In the model comparisons undertaken within the AERONOX programme, a standard set of emissions of NO from both aviation and non-aviation…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): International
Keywords: Africa, air quality, Asia, biomass, combustion, decomposition, deforestation, distribution, forest management, gases, grasslands, human caused fires, lightning, microorganisms, post fire recovery, rainforests, shrublands, soils, South America, statistical analysis, tropical forests, tundra, NOx, biomass burning, soils, lightning, troposphere, ammonia oxidation, fossil fuels, global emissions, inventories, AERONOX

The accuracy with which park managers can predict the behavior, spread, and effects of individual fires will be increasingly critical to decisions on when and where to burn. Models to predict fuel accumulation and consumption, fire spread, smoke production, and the effects of…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Hazard and Risk, Mapping, Models, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Southwest
Keywords: air quality, Arizona, coniferous forests, dendrochronology, distribution, ecosystem dynamics, education, fire frequency, fire hazard reduction, fire regimes, fire suppression, forest management, fuel accumulation, fuel loading, lightning caused fires, national parks, Nevada, prescribed fires (chance ignition), public information, reproduction, Sequoiadendron giganteum , Sierra Nevada, succession

[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Administration, Aquatic, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Planning, Prescribed Fire
Region(s): International
Keywords: Africa, air quality, Argentina, Asia, bibliographies, biogeochemical cycles, biogeography, biomass, Brazil, Canada, crown fires, distribution, ecosystem dynamics, Europe, grasslands, India, Indonesia, Mediterranean habitats, Nepal, Philippines, pine forests, Pinus ponderosa, plantations, savannas, sedimentation, tropical forests, Vietnam, wildfires

Experimental studies and mesoscale modeling of atmospheric chemistry require a good knowledge of the sources of the atmospheric constituent, at a temporal scale of about one hour and at a spatial scale corresponding to the model grid. A combined remote sensing/modeling approach…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Communications, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: aerosols, Africa, air quality, biomass, chemical elements, chemistry, distribution, fire frequency, fuel appraisal, gases, climate change, ignition, land management, rate of spread, remote sensing, savannas, season of fire, shrublands, statistical analysis

Abundant charcoal in forest soils gives evidence of prehistoric and historic natural and anthropogenic wildfires in perhumid lowland and in seasonal Dipterocarp forest types of continental and insular South Asia. Favorable conditions for the occurrence of historic and…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Fire Behavior, Fire Effects, Weather, Emissions and Smoke
Region(s): International
Keywords: aborigines, agriculture, Asia, biomass, Borneo, charcoal, chemical elements, chemistry, Dipterocarpus, droughts, ENSO, fire intensity, fire regimes, forest management, forest types, human caused fires, soils, tropical forests, wildfires, wood chemistry

Drought indexes are not designed to measure fuel moistures, rather they indicate environmental conditions that affect fuel profiles. Management should consider that the mid-to upper-600 range is the limit of acceptability for igniting prescribed fires of any type unless specific…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): Southern
Keywords: droughts, duff, fire danger rating, fire hazard reduction, fire intensity, fire management, fire suppression, fuel appraisal, fuel moisture, litter, moisture, pine forests, precipitation, season of fire, smoke management, soil organic matter, soils, understory vegetation

Anthropoeenic influences on recent tree mortality in mid-montane mixed conifer forests of southern California, USA, and northern Baja California, Mexico, were investigated. The Pinus jeffreyi-Abies concolor phase of the mixed-conifer montane community was sampled at three sites…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Mapping
Region(s): California, Great Basin
Keywords: Abies concolor, air quality, biomass, coniferous forests, Dendroctonus, disturbance, droughts, fire exclusion, fire frequency, fire intensity, fire management, fire suppression, forest management, human caused fires, Iva, Metrosideros polymorpha, Mexico, mortality, mountains, Pinus jeffreyi, plant communities, pollution, population density, southern California, statistical analysis, trees

Germinable seed stores were measured in jarrah forest soils at six sites during one year. The overall mean seed content to a depth of 5 cm was 292 seeds m-². There was a significant seasonal difference, with a maximum of 435 seeds m-² in summer, after the majority of species in…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Restoration and Rehabilitation
Region(s): International
Keywords: Acacia spp., Acacia pulchella, artificial regeneration, Bossiaea, Bossiaea aquifolium, chemical elements, convection, eucalyptus, germination, heat effects, jarrah, land management, legumes, litter, Mediterranean habitats, minerals, mining, plant physiology, population density, regeneration, sampling, seasonal activities, seed germination, seeds, smoke effects, soils, species diversity (plants), Trymalium ledifolium, western Australia, bauxite, forest, jarrah, mining, season, seed, seed-banks, soil

A computerized fire weather model coupled with a synoptic model is a powerful means of describing the weather part of the fire environment.
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Mapping, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, ash, fire danger rating, GIS - geographic information system, GPS - global positioning system, smoke behavior, wilderness fire management, wildfires

The trade-offs between wildfire and prescribed fire for smoke emission and forest health often are dependent upon prevailing weather and climate patterns. Unfortunately, measurements of atmospheric variables are scarce, especially in complex terrain where many fire and health…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Mapping, Models, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, coniferous forests, distribution, droughts, ecosystem dynamics, elevation, fire frequency, forest management, GIS, ignition, lightning, lightning caused fires, mountains, Oregon, precipitation, weather observations, wildfires, wind

From the Overwiew...'VSMOKE is primarily a tool for analyzing the effects of a single prescribed fire. Using an emissions source geometrically configured to match that presented to the atmosphere by a prescribed fire, the program estimates smoke concentrations and crossplume…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Models, Prescribed Fire
Region(s): Eastern, Southern
Keywords: air quality, coastal plain, computer programs, croplands, fire management, Florida, humidity, liability, particulates, roads, smoke behavior, smoke effects, smoke management, statistical analysis, weather observations, wildfires, wind

[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Aquatic, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Intelligence, Mapping, Models
Region(s): Eastern, International
Keywords: Abies spp., Acer saccharinum, agriculture, air quality, Artemisia, Betula alleghaniensis, boreal forests, Canada, Carpinus, Carya, Castanea dentata, charcoal, Corylus, crown fires, deciduous forests, ecosystem dynamics, Fagus grandifolia, fire adaptations (plants), fire case histories, fire frequency, fire regimes, fire scar analysis, fossils, Fraxinus, Fraxinus americana, ignition, lakes, leaves, Minnesota, moisture, New York, Ontario, Ostrya, paleobotany, paleoecology, particulates, Picea, pine hardwood forests, Pinus banksiana, Pinus resinosa, Pinus strobus, Plantago, pollen, Populus, Quercus, Quercus alba, Quercus rubra, Quercus velutina, Rumex, sedimentation, senescence, site treatments, statistical analysis, Tilia americana, Tsuga, Tsuga canadensis, Ulmus, xeric soils, charcoal analysis, climate change, eastern deciduous forest, forest dynamics, pollen analysis, western New York state, VARVE THICKNESS, MIXED HARDWOODS, ARBOREAL POLLEN

The mesoscale meteorological model MEMO was applied to a real fire situation, which occurred in the central area of Portugal, with a very complex topography. In order to numerically provide boundary values at a higher temporal and spatial resolution, a one-way nesting technique…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Mapping, Models, Prescribed Fire, Weather
Region(s): International
Keywords: forest fire, Portugal, wind simulations, mesoscale model, complex terrain, air quality, air temperature, biogeography, climatology, Foehn winds, forest management, gases, humidity, Mediterranean habitats, nesting, rate of spread, sampling, statistical analysis, topography, wildfires, wind

The Fire Behavior Research Work Unit (RWU) of the Intermountain Research Station has been developing the Wildland Fire Assessment System (WFAS) since 1994. The WFAS will eventually combine the functionality of the current fire-danger rating system (Deeming et al. 1977) and the…
Person:
Year: 1997
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Occurrence, Fuels, Hazard and Risk, Mapping, Models, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire potential, WFAS - Wildland Fire Assessment System, fire danger rating, climatology, crown fires, fire frequency, fire intensity, fuel moisture, live fuels, Oklahoma, smoke management, wilderness fire management, wildfires

Anthropogenic activities of the past century have caused a dramatic increase in global air pollution. This process has accelerated in the past few decades, and emissions of carbon dioxide, nitrogen oxides, or chlorofluorocarbons caused serious changes in the earth's climate, e.g…
Person:
Year: 1997
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): California, Northwest, International
Keywords: air pollution, climate change, nutrient cycles, plant response, forest fires, forests

Recent predictions that tropospheric aerosols have counterbalanced greenhouse warming assume aerosol emissions were low before ad1850 and then increased dramatically with industrialization of the Northern Hemisphere and biomass burning in the Tropics. We assembled the lake…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Aquatic, Climate, Emissions and Smoke, Fire Effects, Fire History, Intelligence, Mapping, Models
Region(s): Eastern, International
Keywords: boreal forest, Canada, charcoal, land use, aerosols, climate change, Northeast, biomass burning, deciduous forest, lake sediment, Midwest United States, Central Plains, air temperature, biomass, climatology, fire case histories, gases, lakes, land management, land use, sedimentation, Quebec, smoke effects, statistical analysis, SO2 - sulfur dioxide, wildfires

Forest management planning models are highly developed and used extensively, but few explicitly consider the effects of fire and other uncertain losses which can be significant. Previous studies recommended contradictory responses to potential fire loss. We developed forest-…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Models, Weather
Region(s): International
Keywords: Canada, optimization, harvest schedule, timber supply modeling, uncertain forest losses, Ontario, air quality, boreal forest, climatology, fire frequency, fire injuries (plants), fire intensity, fire management, forest management, logging, plant growth

In this study outputs from four current General Circulation Models (GCMs) were used to project forest fire danger levels in Canada and Russia under a warmer climate. Temperature and precipitation anomalies between 1 x CO2 and 2 x CO2 runs were combined with baseline observed…
Person:
Year: 1997
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Hazard and Risk, Models, Weather
Region(s): International
Keywords: boreal forest, Canada, fire danger, fire regimes, fire severity, fire weather, forest fire, carbon budget, climate change, CO2 - carbon dioxide, intensive forest management, Russia, C - carbon, climatology, fire danger rating, fire management, forest management, precipitation, temperature

The Atmospheric Boundary Layer (ABL) is the lowest portion of the Earth's atmosphere which is affected significantly by the properties of the Earth's (land or ocean) surface. The ABL may show a large daily variation in wind, temperature, and stability or turbulence. The ABL is…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: atmospheric boundary layer

Description not entered.
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): Unknown
Keywords: climate change, CO2 - carbon dioxide, boreal forests, ecosystems, forests

Residents of Canada and other northern circumpolar countries are concerned with the scenarios of climate change since Global Circulation Models predict that global warming over the next 30-50 years will be most evident in the northern regions (Bolin et at. 1986; Roots 1989;…
Person:
Year: 1996
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, International
Keywords: boreal forests, Alberta, boreal, carbon storage, climate change, taiga, Asia, Canada, CO2 - carbon dioxide, C - carbon, China, climatology, decomposition, energy, Europe, Finland, fire management, fuel moisture, fuel management, Manitoba, Norway, organic matter, roots, Russia, soil organic matter, soils, Sweden, vegetation surveys, wildfires

Biomass burning, one of the most important global sources of particulate matter, produces both airborne particles that may influence global and regional climate, and particles incorporated into sediments that provide records of past local, regional, and global impacts of biomass…
Person:
Year: 1997
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion, biomass, burning, global change, biomass burning

Smoke produced by vegetation fires consists of a complex mixture of gaseous, liquid, and solid phases. Many particulates are generated during vegetation fires. Crutzen and Andreae (1990) have estimated that global emissions of pyrogenic smoke particles (50-150 Tg yr-l) may…
Person:
Year: 1997
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): Unknown
Keywords: fire, atmosphere, global change, biomass burning

Description not entered.
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior
Region(s): Alaska, International
Keywords: Canada, fire, forest fire, biomass, boreal, boreal forest fire, burning, emission, global change, biomass burning, ecosystems, forest fires