Type
Topic
Region
Year
Displaying 126 - 150 of 2390
The 2020 California wildfire season coincided with the peak of the COVID-19 pandemic affecting many counties in California, with impacts on air quality. We quantitatively analyzed the short-term effect of air pollution on COVID-19 transmission using county-level data collected…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: air pollution, respiratory infections, COVID-19, environmental health, Generalized Additive Models, generalised least squares linear regression, wildfires, air quality, public health, AQI - Air Quality Index, CO - carbon monoxide, NO2 - nitrogen dioxide, PM2.5
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
As an aggregate of suspended particulate matter in the air, atmospheric aerosols can affect the regional climate. With the help of satellite remote sensing technology to retrieve AOD (aerosol optical depth) on a global or regional scale, accurate estimation of PM2.5…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Safety
Region(s): California
Keywords: AOD - aerosol optical depth, PM - particulate matter, PM2.5, air quality, data fusion, wildfire, machine learning, algorithms, deep belief networks
The impacts of wildfire smoke on lake habitats remains unclear. We determined the metabolic response to smoke in the epi-pelagic and two littoral habitats in Castle Lake, California. We compared light regime, gross primary production, ecosystem respiration, and net ecosystem…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Effects
Region(s): California
Keywords: lakes, habitat analysis
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
Land-use and -cover change (LUCC) is globally important to climate change mitigation. However, using land-based strategies to support aggressive subnational greenhouse gas emissions reduction targets is challenging due to competing land use priorities and uncertainty in…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Hazard and Risk, Models
Region(s): California
Keywords: climate change, climate change mitigation, land use, greenhouse gas emissions, wildfire mitigation, terrestrial carbon, negative emissions, CALAND - California natural and working lands carbon and greenhouse gas model
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
Biomass burning is an important source of trace gases and particles, and can influence air quality on local, regional, and global scales. With the threat of wildfire events increasing due to changes in land use, increasing population, and climate change, the importance of…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: trace gas emissions, air quality
Biomass combustion is a major biogeochemical process, but uncertain in magnitude. We examined multiple levels of organization (twigs, branches, trees, stands, and landscapes) in large, severe forest fires to see how combustion rates for live aboveground woody parts varied with…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects
Region(s): California
Keywords: bole combustion, branch combustion, fire severity, mixed conifer forest, multi-level analysis, Sierra Nevada Mountains, combustion rate, wildfire, biomass combustion, ponderosa pine, Pinus ponderosa
In this study, we investigate the emissions from wildfires in the mid latitude (California) and high latitude (Krasnoyarsk Krai) during the periods of 16–17 August 2020 and 28 July 2019, respectively. Wildfires are unique in themselves as they are driven by various factors such…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): California, International
Keywords: aerosols, biomass burning, remote sensing, satellites, CO - carbon monoxide, black carbon, air pollutants, CALIPSO, TROPOMI - TROPOspheric Monitoring Instrument
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
Air quality models are used to assess the impact of smoke from wildland fires, both prescribed and natural, on ambient air quality and human health. However, the accuracy of these models is limited by uncertainties in the parametrisation of smoke plume injection height (PIH) and…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): California, Rocky Mountain
Keywords: Kansas, air quality model, 2013 Rim Fire, CALIOP - Cloud Aerosol Lidar with Orthogonal Polarization, ceilometer measurement, MicroPulse scanning lidar, plume rise, remote sensing, wildfires, human health
[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.
We compare 18 years of hourly mesoscale weather (wind and dryness) observations to daily fire emissions across California’s forest and savanna fuels (~80,000 “days of fire”). We find that severe weather and fire…
Person: Murphy
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Occurrence, Fuels, Weather, Wildland-Urban Interface (WUI)
Region(s): California
Keywords: wildfire, mesoscale weather, wind, dryness, fuel types, savanna, forest, climate change, FWI - Canadian Forest Fire Weather Index System, VPD - vapor pressure deficit, fire severity
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 size and frequency of wildland fires in the western United States have dramatically increased in recent years. On high-fire-risk days, a small fire ignition can rapidly grow and become out of control. Early detection of fire ignitions from initial smoke can assist the…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): California
Keywords: wildland fire mitigation, smoke detection, computer vision, deep learning, AI - artificial intelligence, machine learning, remote sensing, fire ignitions, fire response
The wildfires of August and September 2020 in the western part of the United States were characterized by an unparalleled duration and wide geographical coverage. A particular consequence of massive wildfires includes serious health effects due to short and long-term exposure to…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Northwest
Keywords: PM2.5, wildfires, AOD - aerosol optical depth, ultraviolet aerosol index, MAIAC - Multi‐angle Implementation of Atmospheric Correction, TROPOMI - TROPOspheric Monitoring Instrument, air quality, health impacts