Skip to main content

Displaying 1 - 25 of 29

Leaves from three species of Eucalyptus were combusted in a mass-loss calorimeter to characterise the effect of fuel moisture on energy release and combustion products for this genus. Increasing moisture content reduced peak heat release and the effective heat of combustion in a…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Occurrence, Fuels
Region(s): International
Keywords: combustion, fire control, fire intensity, fuel moisture, heat, ignition, air quality, CO2 - carbon dioxide, leaves, Eucalyptus spp., Australia, fire management, fuel management, effective heat of combustion, emission factors, Eucalyptus bicostata, Eucalyptus saligna, Eucalyptus tereticornis, heat release rate, ignition probability, time to ignition, heat of combustion

The effects of two exogenous factors, ground fires and industrial air pollution, on natural regeneration of Scots pine (Pinus sylvestris L.) cenopopulations have been studied in the Transural region. It has been found that an increased level of air pollution leads to a decrease…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): International
Keywords: fire intensity, ground fires, wildfires, air quality, pollution, population density, regeneration, understory vegetation, Pinus sylvestris, Scots pine, Russia, Asia, fire management, forest management, smoke management, coniferous forests, Scots pine, industrial air pollution, ground fires, natural regeneration

Questions: What are the characteristics of soil seed banks in highly endangered renosterveld vegetation and adjacent degraded sites? What is the contribution of the soil seed bank to restoring renosterveld vegetation after degradation through agriculture or afforestation?…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Restoration and Rehabilitation
Region(s): International
Keywords: smoke effects, wildfires, seed dormancy, seed germination, South Africa, Africa, fire management, range management, smoke management, fynbos, abandoned field, Cape Floristic Region, degradation, fynbos, soil seed bank

To investigate the characteristics of gas emissions from a tropical peatland fire, ground-level measurement of fire-generated gases was conducted during a large fire event in Kalimantan, Indonesia in 2009. Concentrations of CO and CH4 showed positive linear correlations with…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: biomass burning, peat fires, air quality, carbon dioxide, gases, global warming, greenhouse gases, Asia, Indonesia, fire management, forest management, peatlands, tropical regions, biomass burning, emission ratio, fire-generated gas emission, Global Warming Potential, Indonesia, tropical peatland

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: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Fire Prevention, Prescribed Fire, Economics, Fuels, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: fire control, fire damage (property), fire intensity, fire regimes, fire size, fire suppression, firebrands, flame length, lightning caused fires, prescribed fires (escaped), rate of spread, wildfires, air quality, mortality, species diversity (plants), succession, fire management, forest management, fuel management, smoke management, adaptation, asset, biodiversity, disaster, fire management, fire regime, human fatality, policy

The purpose of this work is to propose new indices for the spatial validation of hazardous plumes forecast, and apply and test them with data of a case study. One, the Plume-Overlap-Area Hit index, is a modification of a widely used index that considers the overlap area between…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Intelligence, Models
Region(s): International
Keywords: grass fires, rangeland fires, wildfires, remote sensing, Argentina, South America, fire management, range management, smoke management, grasslands, plume forecast, dispersion model, validation index, case study

Surface ozone (O3) was measured at the Devils Postpile National Monument (DEPO), eastern Sierra Nevada Mountains, California, during the 2007 (low-fire) and 2008 (high-fire) summer seasons. While mean and median values of O3 concentrations for the 2007 and 2008 summer seasons…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): California
Keywords: fire frequency, season of fire, wildfires, air quality, national parks, ozone, pollution, Sierra Nevada, fire management, forest management, smoke management, fires, O3 - ozone, backward trajectories, air pollution standards

In recent decades, the frequency of wildland fire incidents near residential areas has decreased but the number of acres burned has increased, in large part due to changes in forest management methods and further human encroachment in forested regions. There is much debate about…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: fire case histories, fire damage (property), fire size, surface fires, wildfires, air quality, ash, char, particulates, pH, sampling, soot, Texas, fire management, forest management, asbestos, forest fire, metals, polynuclear aromatic hydrocarbons, residential buildings, wood ash, residential areas, hydrocarbons

Background: A study of the impacts on respiratory health of the 2007 wildland fires in and around San Diego County, California is presented. This study helps to address the impact of fire emissions on human health by modeling the exposure potential of proximate populations to…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence, Models, Safety, Wildland-Urban Interface (WUI)
Region(s): California
Keywords: catastrophic fires, fire case histories, wildfires, air quality, Foehn winds, health factors, southern California, fire management, forest management, smoke management, wildland fire, particulate matter emissions, syndromic surveillance, generalized additive modeling, air quality, respiratory health, San Diego County

The Russian boreal zone supports a huge terrestrial carbon pool. Moreover, it is a tremendous reservoir of wood products concentrated mainly in Siberia. The main natural disturbance in these forests is wildfire, which modifies the carbon budget and has potentially important…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Fuels
Region(s): International
Keywords: fire frequency, wildfires, air quality, C - carbon, clearcutting, logging, regeneration, Larix spp., larch, Pinus sylvestris, Scots pine, Russia, Siberia, Asia, fire management, forest management, boreal forests, coniferous forests, light conifer stands, Pinus spp., clear cuts, partial logging, legal and illegal logging, fuel consumption, carbon emissions, regeneration

North Australian tropical savanna accounts for 12% of the world's total savanna land cover. Accordingly, understanding processes that govern carbon, water and energy exchange within this biome is critical to global carbon and water budgeting. Climate and disturbances drive…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Fuels
Region(s): International
Keywords: fire size, fuel loading, wildfires, disturbance, greenhouse gases, insects, storms, windthrows, Northern Territory of Australia, Queensland, fire management, smoke management, savannas, tropical regions, Cyclone Monica, MODIS - Moderate Resolution Imaging Spectroradiometer, GPP - gross primary production, disturbance, termites

Smoke plays a positive role in promoting seed germination and enhancing post-germination processes. The compound in smoke is 3-methyl-2H-furo[2,3-c]pyran-2-one (KAR1). Recently a structurally related butenolide [3,4,5-trimethylfuran-2(5H)-one, (trimethylbutenolide, TMB)], which…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): International
Keywords: post fire recovery, smoke effects, air quality, seed germination, seeds, soil nutrients, Lactuca sativa, South Africa, Africa, fire management, smoke management, soil management, grasslands, bioassay, burning, karrikins, seed germination, smoke residues, soil extracts

In subtropical evergreen forest in East China, forest fires cause huge economic losses. Flammability of fresh leaves can play an important role in determining fire spread. Therefore, a study on the influence of fire on evergreen trees is of great importance to investigate the…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Fire Occurrence, Emissions and Smoke
Region(s): International
Keywords: fire frequency, fire resistant plants, flammability, heat, wildfires, evergreens, leaves, China, Asia, fire management, forest management, flammability, forest fire, heat release rate, total smoke release

In recent years, bushfires and prescribed burns have caused substantial economic loss to the wine industry due to smoke taint, which makes wine unpalatable. Considerable research is being done to ameliorate smoke taint but the information available about the effect of smoke on…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Prescribed Fire
Region(s): California, International
Keywords: smoke effects, wildfires, agriculture, gases, leaves, litter, photosynthesis, statistical analysis, transpiration, Australia, fire management, land management, smoke management, bushfire, gas exchange, stomatal conductance, transpiration, physiology, grapevines

Intense wildfires burning >360 000 acres in San Diego during October, 2007 provided a unique opportunity to study the impact of wildfires on local air quality and biomass burning aerosol (BBA) aging. The size-resolved mixing state of individual particles was measured in real-…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): California
Keywords: biomass burning, fire frequency, wildfires, air quality, aerosols, particulates, sampling, southern California, fire management, forest management, smoke management

Smoke pollution from wildfires can adversely affect human health, and there is uncertainty about the amount of smoke pollution caused by prescribed v. wildfires, a problem demanding a landscape perspective given that air quality monitoring is sparse outside of urban airsheds.…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Occurrence, Intelligence, Prescribed Fire
Region(s): International
Keywords: fire intensity, fire size, wildfires, air quality, pollution, remote sensing, Victoria, New South Wales, Australia, fire management, landscape ecology, smoke management, biomass smoke pollution, eucalypt forest, fire management, landscape ecology, MODIS - Moderate Resolution Imaging Spectroradiometer, smoke plume, smoke pollution

We report observations of normalized enhancement ratios (NER) for 32 wildfires measured at Mount Bachelor Observatory in central Oregon during June-September 2004-2011. All 32 plumes resulted from wildfires originating in the western United States and Canada. The observed NER of…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): Northwest
Keywords: wildfires, aerosols, air quality, ozone, particulates, pollution, Oregon, fire management, forest management, wildfire, enhancement ratio, ozone, particulate matter, plume transport

Although grassland and savanna occupy only a quarter of the world's vegetation, burning in these ecosystems accounts for roughly half the global carbon emissions from fire. However, the processes that govern changes in grassland burning are poorly understood, particularly on…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire History, Fire Occurrence
Region(s): International
Keywords: grasslands, Africa, biomass burning

Existing studies on the economic impact of wildfire smoke have focused on single fire events or entire seasons without considering the marginal effect of daily fire progression on downwind communities. In addition, neither approach allows for an examination of the impact of even…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models, Safety
Region(s): Great Basin
Keywords: air quality, wildfires, respiratory illness, distributed lag models, count data models

This report highlights selected accomplishments by the USDA Forest Service Rocky Mountain Research Station's Wildland Fire and Fuels Research & Development projects in support of the National Fire Plan from 2008 through 2012. These projects are examples of the broad range of…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Occurrence, Fuels, Intelligence, Mapping, Models, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Northern Rockies, Rocky Mountain, Southwest
Keywords: NFP - National Fire Plan, fire science, fire management, fire research, science delivery

One strategy of plant survival during post-fire succession is to persist and regenerate by recruiting new individuals from a fire-resistant seed bank. The heat, smoke, and charcoal released during plant combustion may act (individually or in combination) as a cue for post-fire…
Person:
Year: 2013
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fire Occurrence
Region(s): International
Keywords: recruitment, dormancy, germination, Argentina, grassland, Patagonia, Fabiana imbricata, fire resistant plants, heat, post-fire recovery, smoke effects, wildfires, charcoal, invasive species, seed germination, shrubs, site treatments, succession, South America, fire management, range management, smoke management

This paper complements the information previously published (Atmospheric Environment 45, 641-649) on gaseous and particulate emissions from wildfires in Portugal for summer 2009, in an attempt at obtaining more extensive, complete and representative databases on emission factors…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: wildfires, air quality, C - carbon, gases, hydrocarbons, particulates, Portugal, Europe, fire management, smoke management, wildfires, trace gases, emission factors, organic compounds, water-soluble ions, trace elements, Portugal

Carbon-based forest conservation requires the establishment of 'reference emission levels' against which to measure a country or region's progress in reducing their carbon emissions. In East Africa, landscape-scale estimates of carbon fluxes are uncertain and factors such as…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: fire regimes, wildfires, air quality, C - carbon, precipitation, Burundi, Congo, Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Somalia, South Sudan, Tanzania, Uganda, Zambia, Africa, fire management, land use, range management, savannas, earth observation products, carbon stocks, carbon trends, fire regimes, MODIS, look-up table, savannah

Four hundred fine particulate matter (PM2.5) samples collected over a 1-year period at two sites in the Los Angeles Basin were analyzed for organic carbon (OC), elemental carbon (EC), water soluble organic carbon (WSOC) and organic molecular markers. The results were used in a…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Models
Region(s): California
Keywords: biomass burning, smoke effects, wildfires, aerosols, air quality, C - carbon, particulates, fire management, smoke management, CMB, LA basin, organic molecular markers, PMF, UNMIX

We describe the fourth generation of the Global Fire Emissions Database (GFED4) burned area data set, which provides global monthly burned area at 0.25º spatial resolution from mid-1995 through the present and daily burned area for the time series extending back to August 2000.…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: biomass burning, fire frequency, fire size, wildfires, air quality, C - carbon, computer programs, precipitation, statistical analysis, fire management