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As wildfires increasingly impact the global economy and public health, understanding their effects is crucial. Particularly, the relationship between wildfires and anxiety disorders remains unclear. In this study, we explore this association by analyzing 1,897,865 emergency…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: anxiety, risk factors, public health, PM2.5

Background: The record number of wildfires in the United States in recent years has led to an increased focus on developing tools to accurately forecast their impacts at high spatial and temporal resolutions. Aims: The Warn-on-Forecast System for Smoke (WoFS-Smoke) was developed…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: data assimilation, ensemble, GOES-R, NWP - numerical weather prediction, probabilistic forecasting, smoke forecasting, weather radar, wildfires, Colorado, Texas, Oklahoma, Arkansas

The impacts on atmospheric ozone (O3) due to wildfires are difficult to characterize due to the many factors that affect O3's formation rate and the episodic nature of fire events. This study uses a very large set of air quality data (518,987 6-hr data points) collected in…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: O3 - ozone, Canada, air quality, PM2.5

Air pollution spikes in the central Himalayas' southern regions, including Nepal and northern India, occur mainly from wildfires during March to May. Despite being a significant contributor to pre-monsoon pollution, wildfire smoke remains under-researched. This study used…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: wildfires, PM2.5, air pollution, Nepal, air quality

Rationale: Wildfires are increasing in intensity, duration, and frequency with smoke plums affecting the lives of millions over large geographic areas. The immune modulatory effects of wildfire smoke are unclear. We previously showed that a major wildfire smoke component, ozone…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: COVID-19, public health, air quality

Background: Wildfires in 2020 ravaged California to set the annual record of area burned to date. Clusters of wildfires in Northern California surrounded the Bay Area covering the skies with smoke and raising the air pollutant concentrations to hazardous levels. This study uses…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: air quality, PM2.5, wildfires, low-cost sensor, health impacts, PM - particulate matter

Emission factors (EFs) are crucial in understanding the effects of wildfire emissions on air quality. We examined the variability of EFs of three wildfires (Nethker, Castle, and 204 Cow) during the 2019 Western US wildfire season using the Aerodyne Mobile Laboratory (AML) and…
Person:
Year: 2024
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: emission factors, air quality, FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, MCE - modified combustion efficiency

Fire has a role in ecosystem services; naturally produced wildfires are important for the sustainability of many terrestrial biomes and fire is one of nature's primary carbon-cycling mechanisms. Under a warming climate, it is likely that fire frequency and severity will increase…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Administration, Climate, Emissions and Smoke, Fire Effects, Models, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: climate change, biomass burning, policy, air quality

Several U.S. state and tribal agencies and other countries have implemented a methodology developed in the arid intermountain western U.S. where short-term (1- to 3-hr) particulate matter (PM) with aerodynamic diameters less than 2.5 µm (PM2.5) concentrations are estimated from…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke effects, wildfires, air quality, health factors, fire management, smoke management

The health and function of forest ecosystems throughout the world include periodic exposure to disturbances such as fire. Fire has been instrumental in the evolution of large segments of flora and fauna and in preventing fuel accumulations that resulted in extreme fire behaviour…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Hazard and Risk, Models, Social Science
Region(s): International
Keywords: fire danger rating, fire hazard reduction, fire intensity, flammability, fuel accumulation, fuel loading, fuel models, live fuels, rate of spread, surface fuels, wildfires, fragmentation, grazing, invasive species, native species (plants), site treatments, soil erosion, thinning, ecosystem dynamics, fire management, forest management, smoke management, burn severity, community preparedness, decision support, forest thinning, live fuels, mechanical treatment, risk assessment, smoke transport

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

Surface ozone (O3) and carbon monoxide (CO) mixing ratios were measured at Mei-Feng (24.05 ºN, 120.10 ºE, 2269 m above sea level) remote mountain site between March 2009 and September 2010 to investigate the impact of regional pollution on O3 and CO. The results showed that the…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: biomass burning, air quality, aerosols, carbon dioxide, CO - carbon monoxide, gases, CH4 - methane, ozone, pollution, Taiwan, Asia, fire management, ozone, biomass combustion, long-range transport, Asian outflow, DO3, DCO ratio

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

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

Present day lead pollution is an environmental hazard of global proportions. A correct determination of natural lead levels is very important in order to evaluate anthropogenic lead contributions. In this paper, the anthropogenic signature of early metallurgy in Southern Iberia…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire History
Region(s): International
Keywords: fire regimes, charcoal, deforestation, erosion, paleoecology, pollution, toxicity, Spain, Europe, fire management, soil management, Late Prehistory, lead pollution, anthropogenic environmental impact, metallurgy, southern Iberia

Two new types of signaling compounds have been discovered in wildfire smoke due to their ability to stimulate seed germination. The first discovered were karrikins, which share some structural similarity with the strigolactone class of plant hormones, and both signal through a…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: smoke effects, wildfires, chemical compounds, seed germination, Australia, fire management, smoke management, karrikins, strigolactones, cyanohydrins, cyanide, seed germination, Arabidopsis thaliana

Background: Several studies have evaluated the association between forest fire smoke and acute exacerbations of respiratory diseases, but few have examined effects on pharmaceutical dispensations. We examine the associations between daily fine particulate matter (PM2.5) and…
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): Northwest, International
Keywords: season of fire, smoke effects, wildfires, air quality, diseases, health factors, particulates, pollution, British Columbia, Canada, smoke management, fires, air pollution, asthma, pulmonary disease chronic obstructive, epidemiology

From the text ... 'A critical role of the air resource advisor is the coordination and development of public messages about air quality impact from wildland fires.'
Person:
Year: 2013
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Great Basin
Keywords: smoke effects, wildfires, air quality, Idaho, fire management, smoke management

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

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

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 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

Objective : We examined the association between validated bushfire smoke pollution events and hospital admissions in three eastern Australian cities from 1994 to 2007. Methods : Smoke events were defined as days on which bushfire smoke caused the 24‐hour citywide average…
Person:
Year: 2013
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: air pollution, air quality, Australia, bushfires, public health, PM - particulate matter, hospital admissions, respiratory disease, cardiovascular disease, vegetation fires