Type
Topic
Region
Year
Displaying 551 - 575 of 5838
Forest fires are a significant factor that affects the boreal forest carbon distribution which emits carbon into the atmosphere and leads to carbon redistribution among carbon pools. However, knowledge about how much carbon was transferred among pools and the immediate changes…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: forest fire, wildfire, China, fire severity, Great Xing’an Mountains, redistribution, C - carbon, carbon emissions, boreal forest, soil nutrients
The Black Summer fire season of 2019–2020 in southeastern Australia contributed to an intense ‘super outbreak’ of fire-induced and smoke-infused thunderstorms, known as pyrocumulonimbus (pyroCb). More than half of the 38 observed pyroCbs injected smoke particles directly into…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: Australia, Black Summer fires, pyroCb, pyrocumulonimbus, smoke plumes, climate change, atmospheric chemistry, atmospheric dynamics, atmospheric science, climate change impacts
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
Fire is one of the major disasters in the world, which seriously endangers the safety of life and property. Effective flame and smoke detection can provide timely warning information for firefighters. Existing flame and smoke detection algorithms are limited by processor…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: fire detection, flame detection, YOLOv4, MobileNetv3, depthwise separable convolution, DSAM - depth separable attention module, BiFPN - bidirectional feature pyramid network, Light-YOLOv4
The University of Colorado Airborne Solar Occultation Flux (CU AirSOF) instrument conducted the first suborbital carbon monoxide (CO) mass flux measurements on the scale of large wildfires, showing that the destructive fires in northern California in October 2017 emitted 2040 ±…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California
Keywords: CO - carbon monoxide, remote sensing, large wildfires, air quality, satellite data, PM - particulate matter, PM2.5, CU AirSOF - University of Colorado Airborne Solar Occultation Flux
Wildfires emit significant amounts of material into the atmosphere. To fully understand the impact of these emissions an accurate understanding of wildfire smoke chemistry is needed. This perspective highlights our chemical understanding and research gaps regarding the impacts…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: air quality, wildfires, human health, Canada
Forest fire is a ubiquitous disaster which has a long-term impact on the local climate as well as the ecological balance and fire products based on remote sensing satellite data have developed rapidly. However, the early forest fire smoke in remote sensing images is small in…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: forest fire, remote sensing, smoke segmentation, Smoke-Unet, attention mechanism, residual block, Landsat 8, band sensibility, fire detection
Aim: The aim of this paper was to describe the patient characteristics and outcomes from a metropolitan emergency department (ED) during the 2019/2020 ‘Black Summer Bushfires’ disaster in Australia and compare the patient characteristics and outcomes to a matched period from the…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: Australia, PM - particulate matter, PM2.5, bushfires, wildfires, emergency departments attendances, respiratory, Black Summer fires, public health
The integration of observations and models can improve air quality forecasts (in particular ozone (O3) and particulate matter (PM)) for extreme events (e.g., wildfires). We present our work on the Canadian wildfire event on 6-12 June 2015 that impacted the air quality in the Mid…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Eastern, Southern, International
Keywords: Canada, O3 - ozone, PM - particulate matter, Mid-Atlantic, planetary boundary layer, air quality, WRF-Chem
Fire is widely used in the Amazon as a ubiquitous driver of land management and land cover change. Regardless of their purpose, fires release a considerable amount of pollutants into the atmosphere, with severe consequences for human health. This paper adds to the extant…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Monitoring and Inventory, Safety
Region(s): International
Keywords: Brazil, air pollution, wildfire, instrumental variables methods, econometrics, hospitalizations, air quality, Brazilian Amazon, remote sensing
Wildfire causes multiple problems for people living in cities. One of them is the deterioration of air quality as a result of wildfire smoke. This smoke can consequently have effects on human health. The present study aims to characterize the relationship between the occurrence…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Safety
Region(s): International
Keywords: climate change, wildfires, Chile, air quality, children, public health, health risk, respiratory illness
This paper presents findings from an online survey that explored public experiences of wildfire smoke, public health advisory information, risk perceptions, and protective actions in response to wildfire smoke in western Canada. Most respondents had wildfire smoke experiences…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Outreach, Social Science
Region(s): International
Keywords: AQHI - Air Quality Health Index, risk perceptions, wildfire protective actions, preparedness, western Canada, public health, online survey
The Region of Waterloo is the third fastest growing region in Southern Ontario in Canada with a population of 619,000 as of 2019. However, only one air quality monitoring station, located in a city park in Kitchener, Ontario, is currently being used to assess the air quality of…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Canada, Ontario, air quality, local emissions, CO - carbon monoxide, AQHI - Air Quality Health Index, long range transport, PM2.5, NO2 - nitrogen dioxide, O3 - ozone
The current study presents a series of experiments investigating the smoldering behavior of woody fuel arrays at various porosities under the influence of wind. Wildland fuels are simulated using wooden cribs burned inside a bench scale wind tunnel. Smoldering behavior was…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, crib fires, smoldering, bench scale, wind effects, burning rate, laboratory fires
Background: Recent evidence has shown an association between wildfire smoke and COVID-19 cases and deaths. The San Francisco Bay Area, in California (USA), experienced two major concurrent public health threats in 2020: the COVID-19 pandemic and dense smoke emitted by wildfires…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): California
Keywords: COVID-19, San Francisco Bay Area, air pollution, air quality, wildfires, human health, human fatality
The increasing prevalence and severity of wildfire events around the world have emphasized the importance of wildfire resiliency in indoor environmental design. This study focuses on developing wildfire-resilient mechanical ventilation systems and ventilation strategies for…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: wildfires, ventilation, urban safety, indoor air quality, indoor air filtration, PM2.5, Canada
Most recent estimates of carbon emissions from Indonesia's peatland fires are based on extrapolation from a narrow base of empirical evidence, raising concerns about the reliability of fire emissions estimates. Measurements of peat fires during ENSO periods are not…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: Sumatra, Kalimantan, peat fires, greenhouse gas emissions, Indonesia, climate change
Fire activity and severity is increasing in the high northern latitudes, including burning landscapes long thought to be "fire resistant." Across the Pan-Arctic, smoke impacts from lengthening fire seasons in the boreal and the Arctic mean new public health challenges, as well…
Person: McCarty
Year: 2021
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Mapping, Monitoring and Inventory
Region(s): Alaska, International
Keywords: Arctic region, climate change, black carbon, Russia, Canada, air quality, Siberia, agricultural fires, Scandinavia, burned area, MODIS - Moderate Resolution Imaging Spectroradiometer, VIIRS - Visible Infrared Imaging Radiometer Suite, cultural burning, Indigenous burning
This Perspective highlights the lingering consequences of nuclear disasters by examining the risks posed by wildfires that rerelease radioactive fallout originally deposited into the environment by accidents at nuclear power plants or testing of nuclear weapons. Such wildfires…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Hazard and Risk, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Chernobyl Exclusion Zone, climate change, fuel management, hazardous smoke, nuclear disasters, wildfires, radioactive contamination, health impacts
The 2019–20 Australian fire season was heralded as emblematic of the catastrophic harm wrought by climate change. Similarly extreme wildfire seasons have occurred across the globe in recent years. Here, we apply a pyrogeographic lens to the recent Australian fires to examine the…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: wildfires, demographics, climate change, adaptation, Australia, resilience, human health, policy, Black Summer fires, fire severity
Combining multiple sources of information on atmospheric composition, wildland fire emissions, and fire area burned, we link decadal air quality trends in Western US urban centers with wildland fire activity during the months of August and September for the years 2000–2019. We…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Safety
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: PM - particulate matter, PM2.5, AOD - aerosol optical depth, postwildfire, NAAQS - National Ambient Air Quality Standards, air quality, burned area, urban areas, respiratory health, generalized additive modeling
Wildfires pose a number of acute and chronic health threats, including increased morbidity and mortality. While much of the current literature has focused on the short-term health effects of forest fires and wildfire smoke, few reviews have sought to understand their long-term…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, climate change, smoke exposure, human health
Wildfire activity in the western United States (US) has been increasing, a trend that has been correlated with changing patterns of temperature and precipitation associated with climate change. Health effects associated with exposure to wildfire smoke and fine particulate matter…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Economics, Emissions and Smoke, Safety
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: PM2.5, PM - particulate matter, climate change, NAAQS - National Ambient Air Quality Standards, wildfire, human health, emergency department visits, hospital visit, mortality, morbidity, black carbon, organic carbon
Albuquerque/Bernalillo County, New Mexico, is currently in attainment of the 2015 National Ambient Air Quality Standard (NAAQS) for ozone (70 ppb), but its ozone design values have increased in recent years. Air quality and source apportionment modeling with the Comprehensive…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Southwest
Keywords: air quality, NAAQS - National Ambient Air Quality Standards, New Mexico, wildfires, O3 - ozone, VOC - volatile organic compounds
Emissions of ammonia (NH3), oxides of nitrogen (NOx; NO +NO2), and nitrous oxide (N2O) from biomass burning were quantified on a global scale for 2001 to 2015. On average biomass burning emissions at a global scale over the period were as follows: 4.53 ± 0.51 Tg NH3 year−1, 14.…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: climate change, biomass burning, wildfires, N2O - nitrous oxide, ammonia