Type
Topic
Region
Year
Displaying 326 - 350 of 5840
Early detection of smoke having indistinguishable pixel intensities in digital images is a difficult task. To better maintain fire surveillance, early smoke detection is crucial. To solve the problem, we have integrated the principal component analysis (PCA) as a pre-processing…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models
Region(s): International
Keywords: YOLOv3, principal component analysis, smoke detection, image processing, China
This is the first panel discussion in Season 2 of the Fueling Collaboration series. Moderator Nick Skowronski (USDA Forest Service) discusses fire and the carbon cycle with panelists Ken Clark (USDA Forest Service), Jessica Miesel (Michigan State University), Louise Loudermilk (…
Person: Skowronski, Clark, Miesel, Loudermilk, Midgley, Coates
Year: 2021
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Prescribed Fire
Region(s): Eastern, Southern
Keywords: C - carbon, carbon cycle, CO2 - carbon dioxide, carbon sequestration, carbon pool, fuels treatment, soil carbon
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
[1] Southern African wildfires are a globally significant source of trace gases and aerosols. Estimates of southern African wildfire fuel consumption have varied from hundreds to thousands of teragrams (Tg), and better-constrained estimates are required to properly assess the…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models, Monitoring and Inventory
Region(s): International
Keywords: southern Africa, FRP - Fire Radiative Power, FRE - Fire Radiative Energy, biomass burning, SEVIRI - Spinning Enhanced Visible and Infrared Imager, combustion rate
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
Increase in infected corneal ulcerations in dogs during the northern Colorado’s 2020 wildfire season
Objective
In the fall of 2020, Colorado experienced the two largest wildfires in state history. The smoke blanketed the college town of Fort Collins, Colorado, the location of the Veterinary Teaching Hospital at Colorado State University (CSU-VTH). The objective for this cross-…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Rocky Mountain
Keywords: AQI - Air Quality Index, culture swab, intraocular pressure, microbiology, schirmer tear test, wildfire, pets
Carbonaceous aerosols emitted from biomass burning influence radiative forcing and climate change. Of particular interest are emissions from high-latitude peat burning because amplified climate change makes the large carbon mass stored in these peatlands more susceptible to…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: biomass burning, aerosol emissions, Siberia, peat, aerosol optical properties, smoldering combustion, Photoacoustic Soot Spectrometer, VOC - volatile organic compounds
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
Research into pyrogenic carbon emissions in the temperate belt of the Russian Federation has traditionally focused on the impact of forest fires. Nevertheless, ecosystems in which wildfires also make a significant contribution to anthropogenic CO2 emissions are poorly studied.…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: Russia, PyC - pyrogenic carbon, remote sensing, non-forested ecosystems, forest fires, wildfires, CO2 emissions
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
The vegetation burning caused by wildfires can release significant quantities of aerosols and toxic chemicals into the atmosphere and result in health risk. Among these emitted pollutants, Benzo(a)pyrene (BaP), the most toxic congener of 16 parent PAHs (polycyclic aromatic…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): International
Keywords: Africa, wildfire, BaP - benzo(a)pyrene, exposure, global impacts, PAH - polycyclic aromatic hydrocarbons, cancer, air pollutants
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
Fire is a natural process in tropical savannas, but contemporary cycles of recurrent, extensive, severe fires threaten biodiversity and other values. In northern Australia, prescribed burning to reduce wildfire incidence is incentivised through a regulated emissions abatement…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: fire management, traditional fire management, tropical savannas, carbon emissions, emissions abatement, Indigenous fire management, pindan woodlands, biocultural indicators, Australia
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
We studied the reproductive function of albino male rats after long-term exposure to wildfire smoke and the species-specific behavior of their sexually mature offspring. After the end of exposure, the mean number of spermatogonia and the relative number of Leydig cells in rat…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: wildfire smoke exposure, wildfires, spermatogenesis, offspring, motor activity, cognitive performance
The frequency of forest fires has recently increased. Combustion aerosol can enter the stratosphere, which can have noticeable consequences for the climate. In this work, we examine the transport of combustion aerosol into the stratosphere in summer 2019, when numerous wildfires…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): Alaska, International
Keywords: stratospheric aerosol, LiDAR - Light Detection and Ranging, observations, forest fire, wildfire, trajectory analysis, satellite observations, remote sensing, Canada, Siberia
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
Autonomous systems can help firefighting operations by detecting and locating the fire spot from surveillance images and videos. Similar to many other areas of computer vision, Convolutional Neural Networks (CNNs) have achieved state-of-the-art results for fire and smoke…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: smoke detection, fire detection, aerial imagery, wildfire, CNN - convolution neural network, quad-tree
Sarah Trainor & Jeremy Littell present at the 2021 Association for Fire Ecology Conference special session: The Nexus of Climate Change and Fire: Taking Science to Action
Addressing the unprecedented challenges of climate change, wildland fire, and human land use requires…
Person: Littell, Trainor
Year: 2021
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Hazard and Risk, Planning, Safety
Region(s): Alaska
Keywords: wildfire, fire management, wildfire management, climate change, Yukon Flats National Wildlife Refuge, partnerships, boundary organization, decision making, human health, fuels management, PM2.5, fire regime change, fire frequency, annual area burned
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