Skip to main content

Displaying 126 - 150 of 1842

Wildfire poses a significant threat and is considered a severe natural disaster, which endangers forest resources, wildlife, and human livelihoods. In recent times, there has been an increase in the number of wildfire incidents, and both human involvement with nature and the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Fire Prevention, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: forest fire, smoke detection, wildfire smoke, deep learning, remote sensing, decoupled head, UAV - unmanned aerial vehicles, YOLOv7

Vegetation fire frequently occurs globally and produces two types of water-soluble organic carbon (WSOC) including black carbon WSOC (BC-WSOC) and smoke-WSOC, they will eventually enter the surface environment (soil and water) and participate in the eco-environmental processes…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Ecology, Fire Effects, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: WSOC - water soluble organic carbon, vegetation, vegetation fire, burning temperature, BC-WSOC - black carbon water-soluble organic carbon, smoke-WSOC – smoke water-soluble organic carbon

Catastrophic wildfires in the western United States pose significant risks to public health, infrastructure, and ecosystems. As these wildfires become more frequent, there is a growing need for a common methodology to identify suitable locations for prescribed burning aimed at…
Person: Kelp
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk, Outreach, Prescribed Fire, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: smoke exposure, atmospheric chemistry transport modeling, mitigating wildfire impacts, satellite observations, prescribed burning effectiveness, air quality, environmental justice, fine particulate matter, PM2.5, public health

Volcanic and wildfire events between 2014 and 2022 injected ∼3.2 Tg of sulfur dioxide and 0.8 Tg of smoke aerosols into the stratosphere. With injections at higher altitudes and lower latitudes, the simulated stratospheric lifetime of the 2014-2022 injections is about 50% longer…
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: SO2 - sulfur dioxide, smoke aerosols, effective radiative forcing, volcanic eruption, surface temperature

To understand the climate impact of the wildfires, it is essential to monitor the aerosol emissions from biomass burning and to estimate their optical properties and radiative forcing. This study analyzed wildfires in Brazil, Angola, Australia, California, Siberia, and South-…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerosol emissions, radiative forcing, aerosol optical properties, GCOM - Global Change Observation Mission-Climate, aerosols

Wildfires emit large amounts of black carbon and light-absorbing organic carbon, known as brown carbon, into the atmosphere. These particles perturb Earth’s radiation budget through absorption of incoming shortwave radiation. It is generally thought that brown carbon loses its…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: atmospheric science, environmental impact, brown carbon, light absorption, aerosols

There are growing needs to understand how extreme weather events impact the electrical grid. Renewable energy sources such as solar photovoltaics are expanding in use to help sustainably meet electricity demands. Wildfires and, notably, the widespread smoke resulting from them,…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: electrical grid, photovoltaic energy, PM - particulate matter

Smoke from wildfires in the United States is adversely affecting air quality and potentially putting more people at health risk from smoke exposure. The United States Environmental Protection Agency (EPA), the USDA Forest Service, and other federal, state and community agencies…
Person:
Year:
Type: Tool
Source: FRAMES
Topic(s): Emissions and Smoke, Outreach, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: indoor air quality, preparedness, wildfire, health, particulate air pollution, AirNow

Smoke from wildfires presents one of the greatest threats to air quality, public health, and ecosystems in the United States, especially in the West. Here we quantify the efficacy of prescribed burning as an intervention for mitigating smoke exposure downwind of wildfires across…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk, Outreach, Prescribed Fire, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: fine particulate matter, PM2.5, mitigating wildfire impacts, environmental justice, smoke exposure, public health, atmospheric chemistry transport modeling, satellite observations, prescribed burning effectiveness, air quality

Ambient wildfire smoke in the American West has worsened considerably in recent decades, while the number of individuals recreating outdoors has simultaneously surged. Wildfire smoke poses a serious risk to human health, especially during long periods of exposure and during…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: National Park Service, human health, black carbon, recreation

The AirNow Fire and Smoke Map provides information that you can use to help protect your health from wildfire smoke. Use this map to see: Current particle pollution air quality information for your location; Fire locations and smoke plumes; Smoke Forecast Outlooks, where…
Person:
Year:
Type: Website
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Outreach, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: PM2.5, AQI - Air Quality Index, smoke plumes, fire locations, smoke forecast outlooks

The challenges of the 2020 Fire Year have validated the Cohesive Strategy and proven its foundational value for additional success and achievement across boundaries and landscapes in the West. The following pages offer a snapshot of 2020 activities and successes in the Western…
Person:
Year: 2021
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: National Cohesive Wildland Fire Management Strategy (Cohesive Strategy), wildfire, wildland fire

[Executive Summary] The Wildland Fire Leadership Council (WFLC) presents this Addendum Update, to spotlight wildland fire critical emphasis areas and challenges that were not identified or addressed in depth in the 2014 National Cohesive Wildland Fire Management Strategy (…
Person:
Year: 2023
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, Unknown, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfire, wildland fire, National Cohesive Wildland Fire Management Strategy (Cohesive Strategy)

Addressing wildfire is not simply a fire management, fire operations, or wildland-urban interface problem - it is a larger, more complex land management and societal issue. The vision for the next century is to: Safely and effectively extinguish fire, when needed; use fire where…
Person:
Year: 2011
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: wildfire, wildland fire, National Cohesive Wildland Fire Management Strategy (Cohesive Strategy)

Accurate representation of fire emissions and smoke transport is crucial for current and future wildfire-smoke projections. We present a flexible modeling framework for emissions sourced from the First Street Foundation Wildfire Model (FSF-WFM) to provide a national map for near…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Mapping, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke transport, dispersion, air quality, PM - particulate matter, PM2.5

This is a combined call for the NWCG Smoke Managers Sub-Committee and the WRAP Fire and Smoke Working Group. The intent of this occasional call series is to discuss operational smoke management issues and build understanding between the air regulatory and wildland fire…
Person:
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: SmoC - NWCG Smoke Committee, WRAP - Western Regional Air Partnership, wildland fire emissions

This presentation and an associated article detail the physical demands and emerging health concerns facing wildland firefighters, in addition to the challenges that their sponsoring agencies must address to protect the health and performance of these key personnel and their…
Person: Ruby
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildland firefighters, mental health, human physiology, physical health, energy expenditure

Increasing fire activity and the associated degradation in air quality in the United States has been indirectly linked to human activity via climate change. In addition, direct attribution of fires to human activities may provide opportunities for near term smoke mitigation by…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: PM2.5, PM - particulate matter, air quality, human ignitions, smoke exposure, human health

Prescribed fire is an increasingly important tool in restoring ecological conditions and reducing uncontrolled wildfire. Prescribed burn techniques could reduce public health impacts associated with wildfire smoke exposure. However, there have been few assessments of the health…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire, Safety, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke exposure, social and health burden, public health, sociodemographic variables, health impacts, vulnerable populations

Pyrolysate gas mixtures are multivariate and relative in nature. Statistical techniques applied to these data generally ignore their relative nature. Published data for permanent gases (CO, CO2, H2, CH4) and tars produced by pyrolysing 15 wildland fuels were reanalysed using…
Person:
Year: 2022
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: balance, CoDA, Ilex spp., log-ratio, Morella, palmetto, Pinus palustris, pyrolysis, Quercus spp., Vaccinium spp.

Emission measurements are available in the literature for a wide variety of field burns and laboratory experiments, although previous studies do not always isolate the effect of individual features such as fuel moisture content (FMC). This study explores the effect of FMC on…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: flaming, smouldering, wildland fuels, fuel moisture content, steady state, combustion

Numerous devastating air pollution events from wildfire smoke occurred in this century in the western USA, leading to severe environmental consequences. This study projects future fire emissions in this region under climate change with a focus on comparing the relative…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: climate change, wildfires, fuel loading, fuel moisture, vegetation modelling, dynamical climate downscaling, FPI - Fire Potential Index

Forest fires are a huge ecological hazard, and smoke is an early characteristic of forest fires. Smoke is present only in a tiny region in images that are captured in the early stages of smoke occurrence or when the smoke is far from the camera. Furthermore, smoke dispersal is…
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, multioriented, attention mechanism, softpool-spatial pyramid pooling, mixed-NMS

The changes in the concentration and composition of biomass-burning organic aerosol (OA) downwind of a major wildfire are simulated using the one-dimensional Lagrangian chemical transport model PMCAMx-Trj. A base case scenario is developed based on realistic fire-plume…
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: volatility basis set, biomass burning, air quality modeling, organic aerosols, wildfires, secondary organic aerosol, PM - particulate matter

Wildfires and meteorological conditions influence the co-occurrence of multiple harmful air pollutants including fine particulate matter (PM2.5) and ground-level ozone. We examine the spatiotemporal characteristics of PM2.5/ozone co-occurrences and associated population exposure…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models, Safety, Weather
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: PM - particulate matter, PM2.5, O3 - ozone, wildfires, extreme heat, climate change, air pollution, air quality, co-occurrence analysis