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This conference was attended by nearly 450 Forest Service earth scientists representing hydrology, soil science, geology, and air. In addition to active members of the earth science professions, many retired scientists also attended and participated. These 60 peer-reviewed…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Climate, Communications, Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Outreach, Prescribed Fire, Restoration and Rehabilitation, Aquatic
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conferences, earth sciences

The Rocky Mountain Research Station has a long and celebrated legacy of conducting relevant natural resources research throughout the Interior West and beyond. Land managers and planners regularly rely upon our science to help make wise resource decisions. Our niche among…
Person:
Year: 2007
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: Forest Service, research, Rocky Mountain Research Station

Biomass burning is an important source of particulate organic carbon (OC) in the atmosphere. Quantifying this contribution in time and space requires a means of routinely apportioning contributions of smoke from biomass burning to OC. Smoke marker (for example, levoglucosan)…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, biomass burning, smoke marker measurements, particulate organic carbon

Wildfires during the summer of 2007 burned over 500,000 acres within central Idaho. These fires burned around and through over 8,000 acres of fuel treatments designed to offer protection from wildfire to over 70 summer homes and other buildings located near Warm Lake. This area…
Person:
Year: 2009
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Prescribed Fire, Weather, Wildland-Urban Interface (WUI)
Region(s): Great Basin
Keywords: burn severity, fire intensity, fire suppression, Idaho, cold forests, crown fires, fire case histories, fire protection, fire size, fuel types, heat, ladder fuels, season of fire, smoke behavior, spot fires, surface fuels, wildfires, aerial ignition, mosaic, national forests, overstory, slash, soil temperature, wind, Pinus contorta, lodgepole pine, fire management, forest management, fuel management, smoke management, coniferous forests, lakes, watersheds

A dual-wavelength photoacoustic instrument operating at 405 and 870 nm was used during the 2006 Fire Lab at Missoula Experiment to measure light scattering and absorption by smoke from the combustion of a variety of biomass fuels. Simultaneous measurements of aerosol light…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: absorption, scattering, dual-wavelength photoacoustic instrument, spectral variation, biomass smoke, Angstrom exponent

This past year has been a period of transition for the Rocky Mountain Research Station. In 2006, we identified the need to move from an organization of approximately 30 research work units whose work was formed around national Strategic Program Areas, to a more streamlined team-…
Person:
Year: 2008
Type: Document
Source: FRAMES
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: Forest Service, research, Rocky Mountain Research Station

In March 2006 two instrumented aircraft made the first detailed field measurements of biomass burning (BB) emissions in the Northern Hemisphere tropics as part of the MILAGRO project. The aircraft were the National Center for Atmospheric Research C-130 and a University of…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: fire, Mexico, biomass burning, Yucatan

Wildland fires are major sources of trace gases and aerosol, and these emissions are believed to significantly influence the chemical composition of the atmosphere and the earth's climate system. The wide variety of pollutants released by wildland fire include greenhouse gases,…
Person:
Year: 2009
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: wildland fire, air pollution, biomass burning, aerosol, trace gases, chemical composition

Biomass consumption and CO2, CO and hydrocarbon gas emissions in an Amazonian forest clearing fire are presented and discussed. The experiment was conducted in the arc of deforestation, near the city of Alta Floresta, state of Mato Grosso, Brazil. The average carbon content of…
Person:
Year: 2009
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire, Restoration and Rehabilitation
Region(s): International
Keywords: biomass consumption, gas emissions, Brazil, Amazonian forest fires, air quality, Amazon, biomass, biomass burning, C - carbon, CO2 - carbon dioxide, deforestation, fire management, forest management, gases, hydrocarbons, ignition, moisture, particulates, precipitation, smoke management, statistical analysis, tropical forest, wildfires

This report details a procedure for identifying fuel loading models (FLMs) in the field. FLMs are a new classification system for predicting fire effects from on-site fuels. Each FLM class represents fuel beds that have similar fuel loadings and produce similar emissions and…
Person:
Year: 2009
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Mapping, Models, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuel loading, fire mapping, fuel classification, first-order fire effects, fuel classification key, fine fuels, fuel types, heavy fuels, air quality, biomass, duff, herbaceous vegetation, litter, soil temperature, fuel management, wildlife habitat management, chaparral, grasslands, shrublands

Biomass burning is a significant source of carbonaceous aerosol in many regions of the world. When present, biomass burning particles may affect the microphysical properties of clouds through their ability to function as cloud condensation nuclei or ice nuclei. We report on…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Asia, particles, biomass burning, ice nuclei emissions, carbonaceous aerosol

Wildfires in the Russian boreal forest zone are estimated to typically burn 12-14 million hectares (ha) annually [Cahoon et al. 1994; conard and Ivanova 1997; Conard et al. 2002; Dixon and Krankina 1993; Kasischke et al. 1999]. Boreal forests contain about 21 percent of global…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: air pollution, central Siberia, biomass burning, boreal forests

We characterized the gas- and speciated aerosol-phase emissions from the open combustion of 33 different plant species during a series of 255 controlled laboratory burns during the Fire Laboratory at Missoula Experiments (FLAME). The plant species we tested were chosen to…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Northern Rockies
Keywords: aerosols, biomass, trace gases, open combustion

We present a classification of duff, litter, fine woody debris, and logs that can be used to stratify a project area into sites with fuel loading that yield significantly different emissions and maximum soil surface temperature. Total particulate matter smaller than 2.5 m in…
Person:
Year: 2009
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuel loading, simulation modeling, soil temperature, fuel mapping, duff, FIA - Forest Inventory and Analysis, fine fuels, fire management, fuel management, litter, statistical analysis, surface fuels, temperature, wildfires, woody fuels

Observed climate changes in the Western Mountains and Forests bioregion include increased seasonal, annual, minimum, and maximum temperatures, altered precipitation patterns, and a shift toward earlier timing of peak runoff. These climatic changes have resulted in widespread…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Intelligence, Planning
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: climate change, greenhouse gases, impacts, management plan, sustainability strategies, Western Mountains and Forests bioregion

We present an alternative method for determining the total offset in lidar signal created by a daytime background-illumination component and electrical or digital offset. Unlike existing techniques, here the signal square-range-correction procedure is initially performed using…
Person:
Year: 2009
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: lidar signal, offset component

Mobil scanning lidar is the most appropriate tool for monitoring wildfire smoke-plume dynamics and optical properties. Lidar is the only remote sensing instrument capable of obtaining detailed three-dimensional range-resolved information for smoke distributions and optical…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: LiDAR - Light Detection and Ranging, remote sensing, wildfire, smoke plume

The methodology of using mobile scanning lidar data for investigation of smoke plume rise and high-resolution smoke dispersion is considered. The methodology is based on the lidar-signal transformation proposed recently [Appl. Opt. 48, 2559 (2009)]. In this study, similar…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke plume, lidar data, atmospheric heterogeneity height indicator

The accident of the Chernobyl nuclear power plant (ChNPP) in 1986 was probably the worst environmental disaster in the past 30 years. The fallout and accumulation of radionuclides in the soil and vegetation could have long-term impacts on the environment. Radionuclides released…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): International
Keywords: Chernobyl, Russia, vegetation fires, radionuclides

Observations during the 2006 dry season of highly elevated concentrations of cyanides in the atmosphere above Mexico City (MC) and the surrounding plains demonstrate that biomass burning (BB) significantly impacted air quality in the region. We find that during the period of our…
Person:
Year: 2009
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: Mexico, biomass burning, urban air pollution, Central Mexican Plateau

Fuel treatments alter conditions in forested stands at the time of the treatment and subsequently. Fuel treatments reduce on-site carbon and also change the fire potential and expected outcome of future wildfires, including their carbon emissions. We simulated effects of fuel…
Person:
Year: 2010
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Northern Rockies
Keywords: thinning, wildfire, fuel treatment effects, air quality, carbon, coniferous forests, crown fires, Douglas-fir, Engelmann spruce, FIA - Forest Inventory and Analysis, fire hazard reduction, fire intensity, fire management, flame length, forest management, fuel management, fuel types, ladder fuels, Larix occidentalis, lodgepole pine, Montana, mortality, mountains, Picea engelmannii, Pinus contorta, Pinus monticola, Pinus ponderosa, ponderosa pine, Pseudotsuga menziesii, snags, stand characteristics, subalpine forests, Tsuga heterophylla, Tsuga mertensiana, western hemlock, western larch, western white pine, woody fuels

Here we are again in a new year and it is time to reflect on our accomplishments and progress in 2009. Last year was marked with exciting advances in our science discovery, applications, and integration. Those advances were attained almost entirely with the aid of our partners…
Person:
Year: 2010
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: Forest Service, research, Rocky Mountain Research Station

In central Mexico during the spring of 2007 we measured the initial emissions of 12 gases and the aerosol speciation for elemental and organic carbon (EC, OC), anhydrosugars, Cl-;, NO3-;, and 20 metals from 10 cooking fires, four garbage fires, three brick making kilns, three…
Person:
Year: 2010
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: Mexico, trace gas emissions, biofuel, garbage burning, particle emissions

This paper presents modeling methods for mapping fire hazard and fire risk using a research model called FIREHARM (FIRE Hazard and Risk Model) that computes common measures of fire behavior, fire danger, and fire effects to spatially portray fire hazard over space. FIREHARM can…
Person:
Year: 2010
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FIREHARM, fuel treatment prioritization, air quality, coniferous forests, crown fires, distribution, drought, fire danger rating, fire hazard reduction, fire intensity, fire management, flame length, forest management, fuel management, fuel moisture, GIS - geographic information system, grasslands, LANDFIRE, moisture, montane forests, mortality, overstory, rate of spread, riparian habitats, scorch, season of fire, shrublands, smoke management, soil temperature, watersheds

Carbon monoxide (CO) is a highly toxic, nonirritating gas. One of the products of combustion, it is invisible, odorless, tasteless, and slightly lighter than air. But smoke, another combustion product, is visible. And when smoke is present, it is highly likely that CO and other…
Person:
Year: 1971
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Prevention, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire fighting, CO - carbon monoxide, forest fires, CO poisoning, fire fighting vehicles, fire resistant materials, air quality, carbon, fire suppression, wildfires