Skip to main content

Displaying 1 - 25 of 2390

Wildfire is one of the most significant dangers and the most serious natural catastrophe, endangering forest resources, animal life, and the human economy. Recent years have witnessed a rise in wildfire incidents. The two main factors are persistent human interference with the…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfire detection, forest fire, UAV - unmanned aerial vehicles, drone images, YOLOv5, deep learning, CNN - convolution neural network, smoke detection

Satellite remote sensing of aerosol optical depth (AOD) is essential for detection, characterization, and forecasting of wildfire smoke. In this work, we evaluate the AOD (550 nm) retrievals during the extreme wildfire events over the western U.S. in September 2020. Three…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California
Keywords: AOD - aerosol optical depth, MODIS - Moderate Resolution Imaging Spectroradiometer, VIIRS - Visible Infrared Imaging Radiometer Suite, retrieval, wildfire, MAIAC - Multi‐angle Implementation of Atmospheric Correction, AERONET - Aerosol Robotic Network

PurpleAir particulate matter (PM) sensors are increasingly used in the United States and other countries for real-time air quality information, particularly during wildfire smoke episodes. Uncorrected PurpleAir data can be biased and may exhibit a nonlinear response at extreme…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air sensors, PurpleAir, PM2.5, PM - particulate matter, AQI - Air Quality Index, error correction, evaluation, wildfire

Background Smoke from wildfires is a growing public health risk due to the enormous amount of smoke-related pollution that is produced and can travel thousands of kilometers from its source. While many studies have documented the physical health harms of wildfire smoke, less is…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, landscape fire, bushfire, haze, mental health, well-being, scoping review

Objective This study aimed to establish the prevalence and to identify predictors of insomnia, nightmares and post-traumatic stress disorder (PTSD) in wildfire survivors. Method A total of 126 (23 males, 102 females, and 1 nonbinary individual, Mage = 52 years, SD = 14.4)…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Safety, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: sleep disturbance, wildfire survivors, PTSD - post-traumatic stress disorder, insomnia, nightmares

As wildfire risk is projected to increase across most of the world, exposure to wildfire smoke is a growing global health issue. Clean air centers (CACs), public buildings designated to provide improved air quality to the public during a wildfire smoke event, have emerged as a…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety, Social Science
Region(s): California
Keywords: air quality, clean air center, clean air shelter, community resilience center, community-based research, wildfire, public health

Understanding whether and how wildfires exacerbate COVID-19 outcomes is important for assessing the efficacy and design of public sector responses in an age of more frequent and simultaneous natural disasters and extreme events. Drawing on the environmental and emergency…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): California
Keywords: PM2.5, wildfires, respiratory infections, COVID-19, fire death, healthcare, social vulnerability, environmental justice, public health

Globally, wildfires are becoming more frequent and destructive, generating a significant amount of smoke that can transport thousands of miles. Therefore, improving air pollution forecasts from wildfires is essential and informing citizens of more frequent, accurate, and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): California
Keywords: wildfire, air pollution, PM2.5, PM - particulate matter, spatiotemporal prediction, sparse self-attention, transformer neural network, ST-Transformer

Join project staff and members of the committee for a public release webinar about the new report, The Chemistry of Fires at the Wildland-Urban Interface on Tuesday, September 20th from 3:00PM to 4:00PM EDT. The committee will share information about their findings and…
Person: Allen, Lowry, Adetona, Holder, Rosario-Ortiz, Turpin
Year: 2022
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Hazard and Risk, Planning, Safety, Wildland-Urban Interface (WUI)
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: public health, wildfires, fire chemistry, communities at risk, air quality, water quality

Background: Fine particulate matter (PM2.5) produced by landscape fires is thought to be more toxic than that from non-fire sources. However, the effects of “fire-sourced” PM2.5 on acute respiratory infection (ARI) are unknown. Methods: We combined Demographic and Health Survey…
Person:
Year: 2023
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: PM2.5, PM - particulate matter, respiratory infections, public health, children, landscape fire

Heterocyclic aromatic amines (HAAs) are carcinogenic and mutagenic compounds formed by the cooking of meat and combustion of biomass. There are relatively few data on HAAs in atmospheric particulate matter (PM). We developed an analytical method using high performance liquid…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California
Keywords: PM - particulate matter, atmospheric particulate matter, heterocyclic aromatic amines, wildfire, HPLC-MS/MS - high-performance liquid chromatography-tandem mass spectrometry

Smouldering peat fires are responsible for regional haze episodes and cause environmental, social and health crises. Owing to the unique burning characteristics of smouldering peat, identifying and detecting this kind of fire remains a challenge. This work explores smouldering…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: haze, detection, mitigation, peatland, smoldering, wildfires

Background: Wildfire smoke may dampen fire severity through effects on weather and the persistence of atmospheric inversions, but empirical work on the link between smoke and fire severity is scarce. Aims: To assess the influence of daily smoke characteristics on wildfire…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California, Northwest
Keywords: Klamath Mountains, fire severity, inversion, MODIS - Moderate Resolution Imaging Spectroradiometer, reburn, terrain, wildfires

We undertake a nationwide US study to estimate how mega-fires (defined as wildfires >100,000 acres in size) affect short-term infant health outcomes in communities located within the flame zone. This is the first study to look exclusively at mega-fires, which have unique…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: megafires, mega-fires, indirect effects, health impacts, infant health, flame zone

Polycyclic aromatic hydrocarbons (PAHs) are a class of compounds containing multiple aromatic rings formed during incomplete combustion. Since many of them are known mutagens and carcinogens, PAHs found in the particulate matter (PM) from the wildfire smoke may pose significant…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): California
Keywords: wildfire, PAH - polycyclic aromatic hydrocarbons, PM - particulate matter, DART-MS - direct analysis in real-time mass spectrometry, PM2.5, PM10, biomass burning, smoke exposure

Climate change is accelerating the intensity and frequency of wildfires globally. Understanding how wildfire smoke (WS) may lead to adverse pregnancy outcomes and alterations in placental function via biological mechanisms is critical to mitigate the harms of exposure. We aim to…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air pollution, pregnancy, wildfire, placenta, toxicology, perinatal outcomes, climate change, pregnancy, obstetrics, preterm birth, fetal growth, birth weight, reproduction, inflammation, epigenetics, oxidative stress, endocrine, metabolism, hormones, vascular, vasculogenesis, hypertension, PM2.5, PM10, PM - particulate matter

To collect partner and employee input on the Wildfire Crisis Strategy 10-year Implementation Plan, the Forest Service and National Forest Foundation hosted a series of roundtable discussions in the winter and spring of 2022. Individual roundtables were focused on each of the…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aquatic, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: climate change, fire-adapted communities, fireshed, forest health, fuel treatment, ignition, land management, National Cohesive Wildland Fire Management Strategy (Cohesive Strategy), resilience, wildfires, Wildfire Crisis Strategy, trusted communicators, shared stewardship, equity, ITEK - Indigenous Traditional Ecological Knowledge

The wildfire season in the Western United States (U.S.) was anomalously large in 2020, with a majority of burned area due to lightning ignitions resulting in overall fire emissions of carbon monoxide (CO) in the Western region almost 3 times the 2001–2019 average. We used the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfire, O3 - ozone, CO - carbon monoxide, PM - particulate matter, PM2.5, CAM-chem

Biomass burning emits a large quantity of gaseous pollutants and aerosols into the atmosphere, which perturbs the regional and global climate and has significant impacts on air quality and human health. In order to understand the temporal and spatial distributions of biomass…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biomass burning, AOD - aerosol optical depth, AAE - absorption angström exponent, FRP - Fire Radiative Power, heating rate

Although metal and metalloid concentrations in wildfire ashes have been documented, the nature and concentrations of incidental nanomaterials (INMs) in wildland-urban interface (WUI) fire ashes have received considerably less attention. In this study, the total metal and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Wildland-Urban Interface (WUI)
Region(s): California
Keywords: incidental nanomaterials, ash, fire, North Complex Fire, LNU Lightning Complex Fire, metalloids, metals

This open access book synthesizes current information on wildland fire smoke in the United States, providing a scientific foundation for addressing the production of smoke from wildland fires. This will be increasingly critical as smoke exposure and degraded air quality are…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fuels, Regulations and Legislation, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfire, policy, quality of life, natural resource management, environment and people

Rapidly scaling up the use of prescribed fire is being promoted as an important pathway for reducing the growing damages of wildfire events in the United States, including limiting the health impacts from smoke emissions. However, we do not currently have the science needed to…
Person:
Year: 2022
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: benefit analysis, cost benefit analysis, human health, knowledge gap, public acceptability, wildfires, wildfire management

A guide on how to install and use several desktop software packages to model smoke from wildland fire.  This guide references a larger series of lessons on each model available for download on https://drive.google.com/drive/folders/1wC4RlOQjIlIN-_4o0US74fRQqw4OkCD4
Person:
Year: 2022
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, National
Keywords: emissions and smoke, modeling, Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT), FEPS - Fire Emissions Production Simulator, VSMOKE, FFT - Fuel and Fire Tools, visibility impairment

Polycyclic Aromatic Hydrocarbons (PAHs) are routinely used as proxies for wildfire in geological sediments associated with large igneous province (LIP) driven CO2 increases and mass extinction events. One example is the end-Triassic mass extinction event (ETE) driven by Earth's…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fire History
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: PAH - polycyclic aromatic hydrocarbons, end-Triassic, mass extinction, CAMP - Central Atlantic Magmatic Province, wildfire, soil erosion

Wildfire emissions are a key contributor of carbonaceous aerosols and trace gases to the atmosphere. Induced by buoyant lifting, smoke plumes can be injected into the free troposphere and lower stratosphere, which by consequence significantly affects the magnitude and distance…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aviation, Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: biomass burning, inverse modeling, airborne lidar, LiDAR - Light Detection and Ranging, plume rise, WRF-Chem