Type
Topic
Region
Year
Displaying 76 - 100 of 2003
We analyzed NO2 and O3 data from 32 U.S. non-attainment areas (NAAs) for 1995–2020. Since 1995, all regions have shown steady reductions in NO2 and the weekend-weekday pattern indicates that the O3 production regime in most NAAs has transitioned to a NOx-limited regime, while a…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: O3 - ozone, NO - nitrogen oxide, NOx, wildfires, COVID-19, air quality, non-attainment area
Recently, the effect of large-scale fires on the global environment has attracted attention. Satellite observation data are used for global estimation of fire CO2 emissions, and available data sources are increasing. Although several CO2 emission inventories have already been…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: CO2 emissions, CO2 - carbon dioxide, biomass burning, fire map, land cover map, aboveground biomass
This seminar is part of the USFS Missoula Fire Lab Seminar Series.
Presented by Bret Anderson, Physical Sciences Technician, USFS, WO, Air Resource Management Program
Person: Anderson
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Weather
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: smoke forecast, dry thunderstorm, ADI - Atmospheric Dispersion Index, ventilation index, spot forecast, LVORI - Low Visibility Occurrence Risk Index, PM - particulate matter, PM2.5, WRF - Weather Research Forecast, injection height
The severity of wildfires is increasing globally. In this study, we used data from the Global Change Observation Mission-Climate/Second-generation Global Imager (GCOM-C/SGLI) to characterize the biomass burning aerosols that are generated by large-scale wildfires. We used data…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: SCALE - Scalable Computing for Advanced Library and Environment, GCOM - Global Change Observation Mission-Climate, SGLI - Second-generation Global Imager, AERONET - Aerosol Robotic Network, radiative transfer models, polarizations
Composition of pyrolysis gases for wildland fuels is often determined using ground samples heated in non-oxidising environments. Results are applied to wildland fires where fuels change spatially and temporally, resulting in variable fire behaviour with variable heating. Though…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: data analysis, flaming combustion, gas composition, logistic model, Pinus palustris, longleaf pine, pyrolysis
This seminar is part of the USFS Missoula Fire Lab Seminar Series.
Snowpacks act like high mountain reservoirs, but are vulnerable to climate change, while the vast majority of forest fires occur in the seasonal snow zone. Forest fires further exacerbate the influence of warming…
Person: Gleason
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Aquatic, Climate, Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: climate change, snowpack, snowmelt, snow-water storage, fire severity, wildfires, snow hydrology, snow albedo, black carbon, organic debris, snow water equivalent
The protection and expansion of forest carbon sinks are critical to achieving climate-change mitigation targets. Yet, the increasing frequency and severity of forest disturbances challenge the sustainable provision of forest services. We investigated patterns of forest…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: forest health, climate change, ecosystem services, sustainable forest management, bark beetles, forest disturbance, wildfires, carbon fluxes, fire frequency
A statement by the Wildland Fire Leadership Council and their partners relating to the benefits of prescribed fire programs.
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords:
Amid worsening climate change, the recurrent wildfires have substantially worsened air quality in the Western United States (U.S.). Understanding the knowledge, attitudes, perception, and practices (KAPP) over time in response to natural disasters such as wildfires is crucial…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfires, panel survey, air quality, knowledge, perceptions, attitudes, practices
Biomass burning is a major source of light-absorbing organic aerosol (brown carbon), but its composition, chemical evolution, and lifetime are not well known. We measured water-soluble brown carbon absorption from 310–500 nm on the NOAA Twin Otter aircraft during flights…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aviation, Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, biomass burning, wildfire, brown carbon, aerosol absorption, fire plumes
Human-caused fires release more carbon than lightning-caused fires in the conterminous United States
Anthropogenic carbon emissions from fires impact the global carbon budget and contribute to global warming. However, due to the lack of inventory data, little was known about how carbon emissions differed between human-caused and lightning-caused fires previously. In this study…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfire, carbon emissions, biomass burning, human-caused fires, burned area, drought, lightning-caused fires, climate change mitigation
Ecosystems require access to key nutrients like nitrogen (N) and sulfur (S) to sustain growth and healthy function. However, excessive deposition can also damage ecosystems through nutrient imbalances, leading to changes in productivity and shifts in ecosystem structure. While…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Models, Monitoring and Inventory
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfires, wildland fire, N - nitrogen, nitrogen deposition, ecosystem impacts, S - sulfur, atmospheric chemistry modeling, tree growth, tree survival, CMAQ - Community Multiscale Air Quality Modeling System
This study investigates the impacts of African wildfire aerosols (primary organic carbon, black carbon and sulfate) on the Northern Hemispheric in January. We found that wildfire aerosols emitted from equatorial Africa result in two mid-to-high latitudes atmospheric Rossby wave…
Person:
Year: 2021
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, International, National
Keywords: Africa, Europe, wildfire, aerosol, teleconnection, black carbon, land surface warming, CAM5.3 - Community Atmosphere Model version 5.3, radiative flux
Wildfires emit smoke particles and gaseous pollutants that greatly aggravate air quality and cause adverse health impacts in the western US (WUS). This study evaluates how wildfire impacts on air pollutants and air toxics evolve from the present climate to the future climate…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: PM - particulate matter, O3 - ozone, wildfires, fire emissions, air toxics, air quality
The occurrence of forest fires can lead to ecological damage, property loss, and human casualties. Current forest fire smoke detection methods do not sufficiently consider the characteristics of smoke with high transparency and no clear edges and have low detection accuracy,…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: smoke detection, fire detection, adjacent layer composite network, global optimal nonmaximum suppression, UAV-IoT, recursive feature pyramid with deconvolution and dilated convolution
Climate change is intensifying global wildfire activity, and people and wildlife are increasingly exposed to hazardous air pollution during large-scale smoke events. Although wildfire smoke is considered a growing risk to public health, few studies have investigated the impacts…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, wildlife behavior, wildlife health, wildfire, health effects, wildlife movement, air pollution, conservation, climate change
This is the 3rd panel discussion in Season 2 of the Fueling Collaboration series. Moderator Jack McGowan-Stinski (Lake States Fire Science Consortium) discusses all things smoke. What is it? What are the messages we should be communicating? What are the tools that can help us…
Person: McGowan-Stinski, Charney, Kobziar, Wickman, Pitrolo
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Outreach, Prescribed Fire, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, bioaerosols, firefighter safety, human health, smoke management, smoke effects, CO - carbon monoxide, PM - particulate matter, PM2.5, air pollution, climate change, wildfire
Part of the Science You Can Use Spring 2022 Webinar Series sponsored by the Rocky Mountain Research Station
Forest managers increasingly require statistically grounded estimates of forest carbon storage at the resolution of individual ownerships (a few thousand acres). Carbon…
Person: Healey, Yang
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: carbon cycle, C - carbon, carbon storage, OBIWAN - Online Biomass Inference using Waveforms and iNventory, LiDAR - Light Detection and Ranging, carbon offsets, GEDI - Global Ecosystem Dynamics Investigation
During the summer of 2018, the upward-pointing Wyoming Cloud Lidar (WCL) was deployed onboard the University of Wyoming King Air (UWKA) research aircraft for the Biomass Burning Flux Measurements of Trace Gases and Aerosols (BB-FLUX) field campaign. This paper describes the…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfire, LiDAR - Light Detection and Ranging, BB-FLUX - Biomass Burning Flux Measurements of Trace Gases and Aerosols, remote sensing, extinction coefficient, CO - carbon monoxide, WCL - Wyoming Cloud Lidar
[from the text] Under this strategy, the Forest Service will work with partners to engineer a paradigm shift by focusing fuels and forest health treatments more strategically and at the scale of the problem, using the best available science as the guide. At the Forest Service,…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: resilience, climate change, forest health, fireshed, fuel treatment, ignition, National Cohesive Wildland Fire Management Strategy (Cohesive Strategy), wildfires, land management, fire-adapted communities
This seminar is part of the USFS Missoula Fire Lab Seminar Series.
The NWS mission is to provide weather data, forecasts, warnings, and decision support services for the protection of life and property and the enhancement of the national economy. You may be asking yourself, how…
Person: Lukinbeal
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Outreach, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: coordination, air quality, wildfire, health effects, public messaging, forecasting
Wildland fires produce smoke plumes that impact air quality and human health. To understand the effects of wildland fire smoke on humans, the amount and composition of the smoke plume must be quantified. Using a fire emissions inventory is one way to determine the emissions rate…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: Bayesian statistics, air quality, wildfire smoke, 2013 Rim Fire
The impacts of air pollution on public health have become great concerns worldwide. Particulate matter with an aerodynamic diameter small than 2.5μm (PM2.5), either from conventional sources such as traffic emissions or wildfire smoke, is among the most damaging air pollutants…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: health impacts, wildfire smoke exposure, PM - particulate matter, PM2.5, respiratory disease, cardiovascular disease
In this study, we investigated the impact of wildfires on meteorology and air quality (PM2.5 and O3) over the western United States during the September 2017 period. This is done by using Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) to simulate…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Weather
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfires, meteorology, air quality, PM2.5, PM - particulate matter, O3 - ozone, WRF-Chem, COD - cloud optical depth
Forest fires impact on soil, water, and biota resources. The current forest fires in the West Coast of the United States (US) profoundly impacted the atmosphere and air quality across the ecosystems and have caused severe environmental and public health burdens. Forest fire led…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Models
Region(s): California, Great Basin, Northwest, Rocky Mountain
Keywords: forest fire, air pollution, COVID-19, NO2 - nitrogen dioxide, spatial models, PM - particulate matter, human health