Type
Topic
Region
Year
Displaying 126 - 150 of 359
Wildfires are increasing in frequency and severity across the Western United States. However, there is limited information available on the impacts these fires are having on the livelihood of livestock producers and their animals. This work presents the results of a survey…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northwest
Keywords: wildfires, livestock, cattle, production losses, sheep, goats, health impacts
From August to October 2020, a serious wildfire occurred in California, USA, which produced a large number of particulate matter and harmful gases, resulting in huge economic losses and environmental pollution. Particulate matter delays the GNSS signal, which affects the like…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California
Keywords: GNSS - Global Navigation Satellite System, 2020 California wildfires, radiosonde, station network, multilayer perceptron neural networks, PM - particulate matter, PM2.5, PM10, PWV - precipitable water vapor
Training a deep learning-based classification model for early wildfire smoke images requires a large amount of rich data. However, due to the episodic nature of fire events, it is difficult to obtain wildfire smoke image data, and most of the samples in public datasets suffer…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: smoke classification, wildfire, deep learning, synthetic images, adversarial training, domain adaptation
Understanding the germination cues of rare plants is critical to their conservation, restoration, and management. We used a greenhouse study to investigate the germination of Eriodictyon capitatum Eastw. (Lompoc yerba santa) seeds to understand the species' life history and to…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Restoration and Rehabilitation
Region(s): California
Keywords: Eriodictyon capitatum, endangered species, germination
In this study, we present a nationwide machine learning model for hourly PM2.5 estimation for the continental United States (US) using high temporal resolution Geostationary Operational Environmental Satellites (GOES-16) Aerosol Optical Depth (AOD) data, meteorological variables…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: PM - particulate matter, PM2.5, machine learning, GOES-16, AOD - aerosol optical depth, California wildfires, ECMWF - European Center for Medium-Range Weather Forecasting, spatial-temporal analysis
The target detection of smoke through remote sensing images obtained by means of unmanned aerial vehicles (UAVs) can be effective for monitoring early forest fires. However, smoke targets in UAV images are often small and difficult to detect accurately. In this paper, we use…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: remote sensing, forest fire, wildfire, smoke detection, UAV - unmanned aerial vehicles, fire monitoring, component stitching data enhancement, parallel spatial domain attention mechanism, symmetry, small-scale transformer feature pyramid network, China
Stratospheric aerosol, temperature and ozone anomalies after the 2020 Australian bushfires are documented from satellite observations. Aerosol extinction is enhanced in the Southern Hemisphere (SH) lower stratosphere (LS) in early 2020, comparable in magnitude to the Calbuco…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): International
Keywords: stratospheric aerosol, stratospheric temperature, stratospheric temperature, O3 - ozone, Australia, wildfire, polar vortex
Ecosystem process models can be used to predict forest response to disturbances at a range of scales. Selection of the spatial class of model should depend on the scale of the research or management question, and model type should depend on the ecosystem attributes of interest.…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Mapping, Models, Monitoring and Inventory, Prescribed Fire
Region(s): Southern
Keywords: C - carbon, carbon sequestration, Ecosystem Demography model, ecosystem modeling, Ichauway, Jones Center, LANDIS-II, longleaf pine, Pinus palustris, wildfire
Following the 2020 wildfires in Australia an extremely large amount of smoke entered the stratosphere and was dispersed throughout the southern hemisphere stratosphere. However, the pathway and entry point of the smoke into the stratosphere and the underlying mechanism remained…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, stratosphere, smoke behavior, cyclone, UTLS - upper troposphere and lower stratosphere, extratropical transition
We use observations of acyl peroxynitrates (PANs) from the Cross-Track Infrared Sounder (CrIS) to investigate PANs over the western U.S. during the summer 2018 wildfire season. This period coincides with the Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption,…
Person:
Year: 2021
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: wildfires, acyl peroxynitrates, PAN - peroxyacetyl nitrate, satellite, WE-CAN - Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen, transport, chemical production
Wildfire emissions affect downwind air quality and human health. Predictions of these impacts using models are limited by uncertainties in emissions and chemical evolution of smoke plumes. Using high-time-resolution aircraft measurements, we illustrate spatial variations that…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass burning, wildfire, chemistry, plume, hydroxyl radical, fire plume evolution, air quality, O3 - ozone
Live fuel moisture content (LFMC) plays a critical role in wildfire dynamics, but little is known about responses of LFMC to multivariate climate change, e.g., warming temperature, CO2 fertilization, and altered precipitation patterns, leading to a limited prediction ability of…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Models
Region(s): California
Keywords: live fuel moisture content, vegetation model, fire danger, climate change
Landscape fires, often referred to as biomass burning (BB), emit substantial amounts of (greenhouse) gases and aerosols into the atmosphere each year. Frequently burning savannas, mostly in Africa, Australia, and South America are responsible for over 60 % of total BB carbon…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: greenhouse gas emissions, biomass burning, Brazil, cerrado, aerosols, season of burn
In South Australia, Swamps of the Fleurieu Peninsula are critically endangered due to past vegetation clearance and changes in hydrology, but still contain a high diversity of threatened plant species. This vegetation community provides habitat for 82 threatened ground-stratum…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Restoration and Rehabilitation
Region(s): International
Keywords: Australia, threatened species, endangered species, seed bank, germination
The objective of this study was to assess feasibility of integrating a coupled fire-atmosphere model within an air-quality forecast system to create a multiscale air-quality modeling framework designed to simulate wildfire smoke. For this study, a coupled fire-atmosphere model,…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Northwest
Keywords: air quality modeling, smoke modeling, fire modeling, coupled fire-atmosphere model, WRF-SFIRE, AIRPACT, Cougar Creek fire, PM - particulate matter, PM2.5
In August 2019, a 4-km thick wildfire smoke layer was observed in the lower stratosphere over Leipzig, Germany, with a ground-based multiwavelength Raman lidar. The smoke was identified by the smoke-specific spectral dependence of the extinction-to-backscatter ratio (lidar ratio…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: Raman lidar, aerosol, stratospheric smoke, stratospheric aerosol, CALIPSO Aerosol Types, lidar ratio, wildfire, volcanic sulfate aerosol, Siberia
The multiannual variability of wildfire areas and volumes of emissions of carbon components (CO, CO2) and aerosol (PM2.5) caused by wildfires has been analyzed for the large Russian regions over a 20-year period (from 2001 to 2020) on the basis of satellite monitoring. A…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Monitoring and Inventory
Region(s): International
Keywords: satellite monitoring, Russia, remote sensing, wildfires, carbon components of gas, C - carbon, aerosols, PM2.5, PM - particulate matter, CO - carbon monoxide, CO2 - carbon dioxide
Large areal fires, such as those ignited following a nuclear detonation, can inject smoke into the upper troposphere and lower stratosphere. Detailed fire simulations allow for assessment of how local weather interacts with these fires and affects smoke lofting. In this study,…
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, National
Keywords: WRF-ARW, WRF - Weather Research and Forecasting, smoke injection height, troposphere, smoke simulation
Accurate quantification of fine fuel loads (e.g. foliage and twigs) in forests is required for many fire behaviour models, and for assessing post-fire changes in carbon stocks and modelling smoke emissions. Fine fuels burn readily and are thus often targeted for fuel load…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): International
Keywords: biomass, wildfires, fuel hazard, elevated fuel, dry sclerophyll forest, Australia
In January 2020, the Wildland Fire Leadership Council (WFLC) requested that EPA, in collaboration with scientific staff in the U.S. Forest Service (USFS), the Department of the Interior (DOI) and the National Institute of Standards and Technology (NIST), conduct an assessment of…
Person:
Year: 2021
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: WFLC - Wildland Fire Leadership Council, air quality, health impacts
Public health officials communicate the relevant risks of bushfire smoke exposure and associated health protection measures to affected populations. Increasing global bushfire incidence in the context of climate change motivated this scoping review. English-language publications…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Fire History, Hazard and Risk, Outreach
Region(s): International
Keywords: bushfire, wildfires, air pollution, Media, public health, environmental health, Australia
Familiarity with the use of face coverings to reduce the risk of respiratory disease has increased during the coronavirus pandemic; however, recommendations for their use outside of the pandemic remains limited. Here, we develop a modeling framework to quantify the potential…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Northwest
Keywords: respiratory disease, N95 respirator, wildfire, air pollution, human health, PM - particulate matter, PM2.5, face covering
Wildfire smoke exposure is associated with a range of acute health outcomes, which can be more severe in individuals with underlying health conditions. Currently, there is limited information on the susceptibility of healthcare facilities to smoke infiltration. As part of a…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Safety
Region(s): International
Keywords: PM - particulate matter, PM2.5, indoor air quality, wildfire, infiltration, low-cost air quality sensors, healthcare, healthcare facility, British Columbia, Canada, Vancouver
Background
Understanding the health effects of smoke from landscape fires (LFs), including wildfires and prescribed burns, is limited due to lack of adequate smoke exposure measures.
Methods
We used the reported LFs to determine smoke plume shapes from satellite images. Daily…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory, Prescribed Fire, Safety
Region(s): International
Keywords: health effects, wildfire, landscape fire, smoke exposure, PM - particulate matter, PM2.5, cardiovascular disease, EMS - Emergency Medical Services, aerosols, ambulance, dose-response models, hospitalizations, li-fraumeni syndrome, health outcomes, optics
Over the past decade, western North America glaciers experienced strong mass loss. Regional mass loss during the ablation season is influenced by air temperature, but the importance of other factors such as changes in surface albedo remains uncertain. We examine changes in…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska, Northern Rockies, Northwest, Rocky Mountain, International
Keywords: glaciers, albedo, Canada, Canadian Rockies, British Columbia, Alberta, forest fire aerosols, MODIS - Moderate Resolution Imaging Spectroradiometer, ERA5 temperature, AOD - aerosol optical depth