Type
Topic
Region
Year
Displaying 151 - 175 of 1739
Wildfires in humid tropical forests have become more common in recent years, increasing the rates of tree mortality in forests that have not co-evolved with fire. Estimating carbon emissions from these wildfires is complex. Current approaches rely on estimates of committed…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Amazon, Brazil, CO2 - carbon dioxide, vegetation growth, stem mortality, tree mortality
The 2019–20 Australian mega-bushfires, which raged particularly over New South Wales and Victoria, released large amounts of toxic haze and CO2. Here, we investigate whether the resulting CO2 enhancement can be directly detected by satellite observations, based on National…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Australia, bushfire, megafires, satellite observations, CO2 - carbon dioxide
One of the main sources of greenhouse gases is forest fire, with carbon dioxide as its main constituent. With increasing global surface temperatures, the probability of forest fire events also increases. A method that enables rapid quantification of emissions is even more…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: Landsat 8, Sentinel-2, forest fire, wildfire, GEE - Google Earth Engine, Indonesia, CO2 - carbon dioxide
Wildland fires involve complicated processes that are challenging to represent in chemical transport models. Recent airborne measurements reveal remarkable chemical tomography in fresh wildland fire plumes, which remain yet to be fully explored using models. Here, we present a…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: tomography, plumes, wildfire, wildland fire, chemical transport model, O3 - ozone, HONO - nitrous acid, air quality
Wildfires are now a common feature of the western US, increasing in both intensity and number of acres burned over the last three decades. The effects of this changing wildfire and smoke landscape are a critical public and occupational health issue. While respiratory morbidity…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: air pollution, PM - particulate matter, male reproduction, epigenetics, needles
Living With Fire hosted a workshop on wildfire smoke and its potential health impacts. Featuring guests Chris Smallcomb, National Weather Service – Reno office meteorologist and public information officer, who discussed smoke forecasting and models utilized to predict smoke. And…
Person: Smallcomb, Schnieder
Year: 2021
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Safety, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, health impacts, smoke forecast, wildfires, atmospheric stability, HRRR-Smoke, AQI - Air Quality Index, public health, air pollution, PM - particulate matter, PM2.5, O3 - ozone
While prescribed fire is an essential land management tool in the Southeast, its impacts on air quality and public health remain uncertain. This webinar will cover a recent project that used burn permit records, air quality modelling, and epidemiological associations between…
Person: Afrin, Garcia Menendez
Year: 2021
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire, Safety
Region(s): Southern
Keywords: air quality, public health, epidemiology, health impacts, vulnerable populations, PM - particulate matter, PM2.5, social vulnerability
[From the Summary] The development and field testing of fuel-consumption algorithms to predict woody-fuel and duff consumption by combustion stage for prescribed fires in western Washington and Oregon is nearing completion. The total woody-fuel consumption nomograph requires one…
Person:
Year: 1984
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: fuel consumption, algorithms, woody fuel consumption, duff consumption, Oregon, Washington, fuel moisture, flaming consumption, combustion stage
Fuel loading and fuel consumption were measured on four prescribed burns with a natural fuel component. These sites were in the Blue Mountains of northeastern Oregon. Emissions were characterized on three of these sites.
The fuel consumption was typical of a moderately wet…
Person:
Year: 1996
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Northwest
Keywords: fuel loading, fuel consumption, Blue Mountains, northeastern Oregon, emission factors, CH4 - methane, CO - carbon monoxide, PM2.5, CONSUME, FOFEM - First Order Fire Effects Model, underburn, spring burn, NHMC - non-methane hydrocarbons
Wildfire smoke is likely to have direct health effects on birds as well as influence movement, vocalization, and other avian behaviors. These behavioral changes may affect if and how birds are observed in the wild, although research on the effects of wildfire smoke on bird…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): Northwest
Keywords: birds, detection, avian behavior, wildfires, PM - particulate matter, PM2.5, Washington, AIC - Akaike's information criterion
A 10-year review of accidents and incidents within the USDA Forest Service wildland fire system.
This document seeks to describe the wildland fire system and culture within which U.S. Department of Agriculture, Forest Service employees operate. To do so, this review presents a…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Administration, Aquatic, Aviation, Climate, Communications, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Logistics, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords:
As humans increasingly dominate the nitrogen cycle, deposition of reactive nitrogen (Nr) will continue to have adverse consequences for ecosystems. In the Rocky Mountains, Nr deposition remains elevated and has become increasingly dominated by ammonium, despite efforts to reduce…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Wildland-Urban Interface (WUI)
Region(s): Rocky Mountain
Keywords: N - nitrogen, nitrogen deposition, Colorado Front Range, wildfire, nitrogen transport
PM2.5 is the most monitored air pollutant for which EPA has set national ambient air quality standards (NAAQS). As such, it is the pollutant on which the Air Quality Index (AQI) is most often based. PM2.5 and PM10 are the only criteria pollutant whose composition, and therefore…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Northwest
Keywords: woodsmoke, toxicity, hazardous air pollutants, positive matrix factorization, PM2.5, PM - particulate matter, NAAQS - National Ambient Air Quality Standards, AQI - Air Quality Index, Washington
This study proposes an approach to improve the spatial resolution of ground-level concentrations of PM2.5 that is required to assess health risks associated with exposure to pollutants released during wildfires. We use this approach to analyze the impact on air quality of the…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California
Keywords: PM2.5, PM - particulate matter, spatial resolution, wildfires emissions, dispersion modeling, kriging, AOD - aerosol optical depth, satellite, air quality
The fire plume height (smoke injection height) is an important parameter for calculating the transport and lifetime of smoke particles, which can significantly affect regional and global air quality and atmospheric radiation budget. To develop an observation‐based global fire…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, fire plumes, climate modeling, MFRP - Maximum Fire Radiative Power, MISR - Multi-angle Imaging SpectroRadiometer, black carbon, atmosphere
Background
Wildland fire (wildfire; bushfire) pollution contributes to poor air quality, a risk factor for premature death. The frequency and intensity of wildfires are expected to increase; improved tools for estimating exposure to fire smoke are vital. New-generation satellite…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfire, bushfire, remote sensing, health risk, AI - artificial intelligence, convolutional neural network, air quality, satellite imagery
Background: The modular British Columbia Asthma Prediction System (BCAPS) is designed to reduce information burden during wildfire smoke events by automatically gathering, integrating, generating, and visualizing data for public health users. The BCAPS framework comprises five…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory, Safety
Region(s): International
Keywords: British Columbia, BCAPS - British Columbia Asthma Prediction System, public health, surveillance, forecasting, data integration, PM - particulate matter, PM2.5, asthma, respiratory health
Grassland fire dynamics are subject to myriad climatic, biological, and anthropogenic drivers, thresholds, and feedbacks and therefore do not conform to assumptions of statistical stationarity. The presence of non-stationarity in time series data leads to ambiguous results that…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Models, Weather
Region(s): International
Keywords: climate change, grassland ecology, China, grasslands, fire management, fire-climate relationships, carbon emissions
Biomass burning (BB) emissions significantly deteriorate air quality in many regions worldwide, impact human health and perturbing Earth's radiation budget and climate. South America is one of largest contributors to BB emissions globally. After Amazonia, BB emissions from open…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Colombia, South America, biomass burning, atmospheric transport, air pollution, aerosol, health impacts, secondary organic aerosol, WRF-Chem
Carbon (C) emissions from wildfires are a key terrestrial–atmosphere interaction that influences global atmospheric composition and climate. Positive feedbacks between climate warming and boreal wildfires are predicted based on top-down controls of fire weather and climate, but…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Models, Weather
Region(s): Alaska, International
Keywords: boreal forest, Canada, fire severity, fuel availability, C - carbon, carbon emissions, biogeochemistry, forest ecology, ecosystem ecology, carbon pools, SEM - structural equation modeling
Exposure to wildfire smoke continues to be a growing threat to public health, yet the chemical components in wildfire smoke that primarily drive toxicity and associated disease are largely unknown. This study utilized a suite of computational approaches to identify groups of…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air pollution, biomass burning, complex mixtures, computational toxicology, pulmonary effects, mixtures toxicology, public health, toxicity, smoke exposure
Air pollution associated with wildfire smoke transport during the summer can significantly affect ozone (O3) and particulate matter (PM) concentrations, even in heavily populated areas like New York City (NYC). Here, we use observations from aircraft, ground-based lidar, in-situ…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Eastern
Keywords: wildfire smoke, O3 - ozone, PM2.5, PM - particulate matter, black carbon, organic carbon, optical properties, New York, air quality, smoke transport
Biomass burning from wildfires is a significant global source of aerosol and trace gases which impact air quality, tropospheric and stratospheric composition, and climate. During the summer of 2019, wildfire activity in central and eastern Siberia occurred during the Fire…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Siberia, Canada, biomass burning, air quality, tropospheric composition, chemical transport model, O3 - ozone, aerosol, trace gases, Alberta
This paper presents model results for the dispersion of radionuclides released into the atmosphere by intense forest fires in the Chernobyl Exclusion Zone in April 2020. The 137Cs activity concentration in the surface air is calculated on a regional scale (in Ukraine) and a…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Chernobyl, wildland fire, radionuclides, atmospheric transport, satellite monitoring, Ukraine
Wildfire occurrence and severity in the Mediterranean region during the summer season is increasing, being favoured by climate change-induced conditions (i.e., drought, heatwaves). Moreover, additional natural sources frequently impact this region, particularly Saharan dust…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Mapping, Models
Region(s): International
Keywords: Mediterranean basin, PM - particulate matter, PM2.5, PM10, Saharan dust, natural, source, NAAPS - Navy Aerosol Analysis and Prediction System, VIIRS - Visible Infrared Imaging Radiometer Suite, Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT), WRF - Weather Research and Forecasting