Type
Topic
Region
Year
Displaying 176 - 200 of 261
Recently, extreme wildfires have damaged important ecosystems worldwide and have affected urban areas miles away due to long-range transport of smoke plumes. We performed a comprehensive analysis to clarify how smoke plumes from Pantanal and Amazon forests wildfires and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Brazil, air pollution, smoke plumes, greenhouse gases, carbon isotopes, remote sensing, smoke transport, air quality
Background: Wildfires are a growing threat, especially in Mediterranean climate areas during periods of drought. The wildfire research community continues to investigate propagation mechanisms considering thermal transfer and fluid mechanics and sometimes a simplified chemistry…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: alkanes, chlorophyll, hydric stress, thermal stress, fatty acids, hydrocarbons, microscopy, physiology analyses, plant heating, radiant panel, Rosmarinus officinalis, Cistus albidus, SPEE - solid-phase extraction elements, terpenes, water content, thermodesorption, France
Ground-level ozone (O3) was unusually high in northern Colorado in the summer of 2021 with maximum daily 8-hr average (MDA8) concentrations 6 to 8 parts-per-billion by volume (ppbv) higher than in 2019, 2020, or 2022. One or more of the monitors on the Colorado Front Range…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Rocky Mountain
Keywords: O3 - ozone, air quality, PM2.5, PM - particulate matter, Colorado
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
Tropical peatlands are the sites of Earth’s largest fire events, with outsized contributions to greenhouse gases, toxic smoke, and haze rich with particulate matter. The human health risks from wildfire smoke are well known, but its effects on wildlife inhabiting these…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: air pollution, PM - particulate matter, haze, peatlands, honest signals, bioacoustics, voice quality, respiratory health, primate, Indonesia
Forest fires threaten to biodiversity, ecosystem productivity, multiple ecosystem services, and it influences the emissions of large amounts of greenhouse gases into the atmosphere. This scientific study has been conducted at Ayodhya hill range of dry deciduous forest of Chota…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: India, greenhouse gases, ecosystem services, focus groups, WTP - willingness to pay, forest fires
Background: Climate change has been deemed the biggest global health threat of the 21st century. One consequence of climate change is the increasing frequency and severity of forest fires. Smoke from wildfires has the ability to negatively impact air quality over large distances…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: air quality, Canada, British Columbia, public health, PM2.5, respiratory health, forest fires, climate change, emergency department visits
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
[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)
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
At present, the wildfire smoke detection algorithm based on YOLOv3 has problems, such as low accuracy and slow detection speed. In this article, we propose a cross-layer extraction structure and multiscale downsampling network with bidirectional transpose FPN (BCMNet) for fast…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): International
Keywords: fire detection, YOLOv3, smoke detection, China
This study investigates the impacts of the Williams Flats wildfire (August 3-9, 2019) on ozone conccentrations and chemistry in the downwind region using an assimilation framework with satellite retrievals and meterological measurements. By assimilating satellite-retrieved…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Northwest
Keywords: Williams Flats Fire, ozone concentrations
In the past few decades, forest fires have increased in number and severity, especially in the Mediterranean regions of Türkiye and Greece, where significant fires caused damage to thousands of hectares of land as well as wildlife. The main objective of the present study is to…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): International
Keywords: wildfire, Sentinel-2, burn severity, GFED - Global Fire Emissions Database, eastern Mediterranean, PM - particulate matter, PM2.5
Prescribed burning is a major source of a fine particular matter, especially in the southeastern United States, and quantifying emissions from burning operations accurately is an integral part of ascertaining air quality impacts. For instance, a critical factor in calculating…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory, Prescribed Fire
Region(s): Southern
Keywords: biomass burning, wildland fire, Blue Sky, FINN - Fire Inventory of NCAR, agricultural burning, air quality, wildfires
[from the text]
In the Southwest United States, many ponderosa pine forests no longer resemble the pre-European settlement forests that were adapted to frequent, low-severity wildfires. The cumulative effects of fire suppression, livestock grazing, high-grading, and insect…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Planning, Restoration and Rehabilitation
Region(s): Southwest
Keywords: biomass, ponderosa pine, thinning, pile burning, fire risk reduction
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
Background: Wildfires cause significant physical and mental ill-health. How physical and mental symptoms interact following wildfire smoke exposure is unclear, particularly in the context of repeated exposures. In this cross-sectional study we investigated how posttraumatic…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Fire Effects, Emissions and Smoke, Safety
Region(s): International
Keywords: psychological distress, PTSD - post-traumatic stress disorder, repeated disaster exposure, smoke exposure, somatic symptoms, wildfires, public health, Australia
Austrostipa compressa, a native ephemeral of southwest Western Australia was stimulated to germinate under a range of temperatures, in the presence of light, and exposure to smoke-water. This combination of environmental cues results in winter-maximum germination in immediate…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fire Occurrence
Region(s): International
Keywords: fire frequency, fire intensity, heat effects, smoke effects, wildfires, disturbance, grasses, introduced species, light, population density, seed dormancy, seed germination, seeds, soil temperature, temperature, Ehrharta, Poaceae, western Australia, Australia, fire management, forest management, soil management, Mediterranean habitats, disturbance, heat shock, light, reserve management, soil seed bank, temperature
The chemical composition and size of individual particles derived from combustion products of several species found in Southern California were obtained using aerosol time-of-flight mass spectrometry. The major inorganic species observed in >90% of all biomass burning…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): California
Keywords: biomass burning, smoke effects, aerosols, air quality, chemical compounds, particulates, K - potassium, southern California, fire management, smoke management, chaparral
1. The South and Middle American tropics contain the world's largest area of moist savanna. Despite an apparent uniformity in appearance, floristic groupings can be detected and four zones are provisionally outlined with a number of characteristic plants.2. Although currect…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence
Region(s): International
Keywords: aerosols, biogeography, biomass, Brazil, Central America, cerrado, deciduous forests, drainage, Europe, fire adaptations (plants), fire dependent species, fire frequency, fire intensity, fire management, fire resistant plants, grasslands, land use, Mexico, mosaic, paleoecology, range management, reproduction, savannas, scrub, soil nutrients, South America, species diversity (plants), temperature, topography, neotropical savannas, biogeographical zones, cerrados, plant diversity, palaeoecology, topography, drainage, soil nutrients
[no description entered]
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Borneo, Indonesia, light, logging, photography, rainforests, smoke effects, smoke management, statistical analysis, tropical forests, understory vegetation, wildfires
From the text (p.122) ... 'In recent years, the debate over Indian fire has continued in the context of discussions of the Wilderness Act of 1964. It is basically a dispute over whether or not Indian fires were a 'natural' form of fire management and, if they were not, whether…
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire History, Prescribed Fire
Region(s): Southern, International
Keywords: Canada, Ceanothus, chaparral, coniferous forests, conservation, ecosystem dynamics, evolution, fire dependent species, fire exclusion, fire management, fire suppression, forest management, grasslands, histories, human caused fires, hunting, ignition, land management, lightning, lightning caused fires, mammals, mosaic, Native Americans, Pinus palustris, Pinus ponderosa, prairies, presettlement fires, Quercus, range management, rangelands, scrub, season of fire, seed germination, seedlings, succession, understory vegetation, wilderness areas, wildlife, SMOKE SIGNALS
[no description entered]
Person:
Year: 1999
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Models
Region(s): International
Keywords: ash, Asia, crown scorch, Europe, fire management, flame length, France, Italy, Japan, smoke behavior, smoke management, statistical analysis, temperature, wildfires, wind