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Change of air quality knowledge, perceptions, attitudes, and practices pre- and post-wildfires in the United States

Amid worsening climate change, the recurrent wildfires have substantially worsened air quality in the Western United States (U.S.). Understanding the knowledge, attitudes, perception, and practices (KAPP) over time in response to natural disasters such as wildfires is crucial…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfires, panel survey, air quality, knowledge, perceptions, attitudes, practices

Effects of wildfire ash from native and alien plants on phytoplankton biomass

Wildfires are natural or anthropogenic phenomena increasing at alarming rates globally due to land-use alterations, droughts, climatic warming, hunting and biological invasions. Whereas wildfire effects on terrestrial ecosystems are marked and relatively well-studied, ash…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: primary productivity, chlorophyll, silicate, diatoms, water chemistry, phytoplankton, Africa

Complexity in the evolution, composition, and spectroscopy of brown carbon in aircraft measurements of wildfire plumes

Biomass burning is a major source of light-absorbing organic aerosol (brown carbon), but its composition, chemical evolution, and lifetime are not well known. We measured water-soluble brown carbon absorption from 310–500 nm on the NOAA Twin Otter aircraft during flights…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aviation, Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, biomass burning, wildfire, brown carbon, aerosol absorption, fire plumes

Fire and ice: the impact of wildfire-affected albedo and irradiance on glacier melt

Wildfire occurrence and severity is predicted to increase in the upcoming decades with severe negative impacts on human societies. The impacts of upwind wildfire activity on glacier melt, a critical source of freshwater for downstream environments, were investigated through…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: albedo, glacier melt, wildfire, Canada, Canadian Rockies, Athabasca Glacier

Fire-released seed dormancy - a global synthesis

Seed dormancy varies greatly between species, clades, communities, and regions. We propose that fireprone ecosystems create ideal conditions for the selection of seed dormancy as fire provides a mechanism for dormancy release and postfire conditions are optimal for germination.…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: cerrado, Cistaceae, crown fire, Fabaceae, fire heat, Mediterranean, myrmecochory, Poaceae, Rhamnaceae, Rutaceae, savanna, seasonality, seed dormancy, surface fire

High spatiotemporal resolution PM2.5 concentration estimation with machine learning algorithm: a case study for wildfire in California

As an aggregate of suspended particulate matter in the air, atmospheric aerosols can affect the regional climate. With the help of satellite remote sensing technology to retrieve AOD (aerosol optical depth) on a global or regional scale, accurate estimation of PM2.5…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Safety
Region(s): California
Keywords: AOD - aerosol optical depth, PM - particulate matter, PM2.5, air quality, data fusion, wildfire, machine learning, algorithms, deep belief networks

Observational analyses of dry intrusions and increased ozone concentrations in the environment of wildfires

In this study, atmospheric dynamical processes, which govern the intensification of wildfire activity and the associated increase in low-level ozone concentrations, were studied using images, advanced products and vertical profiles derived from satellite observations. The…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: stratospheric intrusions, wildfires, O3 - ozone, ozone concentrations, satellite observations, water vapor imagery, Croatia, Italy

High northern latitude forest fires and vegetation emissions over the last millennium inferred from the chemistry of a central Greenland ice core

We have analyzed the soluble portion of impurities trapped in solid precipitation that accumulated at Summit (central Greenland) from 1193 A.D. to the present. Seventy-three ice layers show elevated concentrations of ammonium and formate, caused by high-latitude biomass burning…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire History
Region(s): International
Keywords: Greenland, ice cores, biomass burning, ion concentrations, boreal vegetation, paleoclimate

Wildfire smoke effects on lake-habitat specific metabolism: toward a conceptual understanding

The impacts of wildfire smoke on lake habitats remains unclear. We determined the metabolic response to smoke in the epi-pelagic and two littoral habitats in Castle Lake, California. We compared light regime, gross primary production, ecosystem respiration, and net ecosystem…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Effects
Region(s): California
Keywords: lakes, habitat analysis

Simultaneous characterization of wildfire smoke and surface properties with imaging spectroscopy during the FIREX-AQ field campaign

We introduce and evaluate an approach for the simultaneous retrieval of aerosol and surface properties from Airborne Visible/Infrared Imaging Spectrometer Classic (AVIRIS-C) data collected during wildfires. The joint National Aeronautics and Space Administration/National Oceanic…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Northwest
Keywords: AVIRIS - Airborne Visible Infrared Imaging Spectrometer, air quality, Williams Flats Fire, Washington

Birth weight following pregnancy wildfire smoke exposure in more than 1.5 million newborns in Brazil: a nationwide case-control study

Background Air pollution exposure has been associated with critical neonatal morbidities, including low birth weight (LBW). However, little is known on short-term exposure to wildfire smoke and LBW. In this study, we estimated the association between birth weight following…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Safety
Region(s): International
Keywords: wildfire, air pollution, birth weight, pregnancy, Brazil, smoke exposure

Human-caused fires release more carbon than lightning-caused fires in the conterminous United States

Anthropogenic carbon emissions from fires impact the global carbon budget and contribute to global warming. However, due to the lack of inventory data, little was known about how carbon emissions differed between human-caused and lightning-caused fires previously. In this study…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfire, carbon emissions, biomass burning, human-caused fires, burned area, drought, lightning-caused fires, climate change mitigation

Impacts of California’s climate-relevant land use policy scenarios on terrestrial carbon emissions (CO2 and CH4) and wildfire risk

Land-use and -cover change (LUCC) is globally important to climate change mitigation. However, using land-based strategies to support aggressive subnational greenhouse gas emissions reduction targets is challenging due to competing land use priorities and uncertainty in…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Hazard and Risk, Models
Region(s): California
Keywords: climate change, climate change mitigation, land use, greenhouse gas emissions, wildfire mitigation, terrestrial carbon, negative emissions, CALAND - California natural and working lands carbon and greenhouse gas model

The contribution of wildland fire emissions to deposition in the U S: implications for tree growth and survival in the Northwest

Ecosystems require access to key nutrients like nitrogen (N) and sulfur (S) to sustain growth and healthy function. However, excessive deposition can also damage ecosystems through nutrient imbalances, leading to changes in productivity and shifts in ecosystem structure. While…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Models, Monitoring and Inventory
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfires, wildland fire, N - nitrogen, nitrogen deposition, ecosystem impacts, S - sulfur, atmospheric chemistry modeling, tree growth, tree survival, CMAQ - Community Multiscale Air Quality Modeling System

Tropical African wildfire aerosols trigger teleconnections over mid-to-high latitudes of Northern Hemisphere in January

This study investigates the impacts of African wildfire aerosols (primary organic carbon, black carbon and sulfate) on the Northern Hemispheric in January. We found that wildfire aerosols emitted from equatorial Africa result in two mid-to-high latitudes atmospheric Rossby wave…
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: Africa, Europe, wildfire, aerosol, teleconnection, black carbon, land surface warming, CAM5.3 - Community Atmosphere Model version 5.3, radiative flux

Evaluating accuracy of four MODIS-derived burned area products for tropical peatland and non-peatland fires

Satellite-based burned area products are accurate for many regions. However, only limited assessments exist for Indonesia despite extensive burning and globally important carbon emissions. We evaluated the accuracy of four MODIS-derived (moderate resolution imaging…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: tropical peatlands, Indonesia, wildfires, MODIS - Moderate Resolution Imaging Spectroradiometer, burned area mapping, temporal accuracy, remote sensing

Direct radiative forcing of biomass burning aerosols from the extensive Australian wildfires in 2019–2020

In 2019, an unusually strong positive Indian Ocean Dipole spawned hot and dry weather in southeastern Australia, which promoted devastating wildfires in the period from September 2019 to February 2020. The fires produced large plumes of biomass burning aerosols that prevented…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: Australia, wildfires, aerosols, direct radiative forcing, direct aerosol radiative forcing, MODIS - Moderate Resolution Imaging Spectroradiometer, AERONET - Aerosol Robotic Network, biomass burning, satellite data

Relationship between circum-Arctic atmospheric wave patterns and large-scale wildfires in boreal summer

Long-term assessment of severe wildfires and associated air pollution and related climate patterns in and around the Arctic is essential for assessing healthy human life status. To examine the relationships, we analyzed the National Aeronautics and Space Administration (NASA)…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fire Occurrence, Safety
Region(s): Alaska, International
Keywords: wildfire, aerosol, PM - particulate matter, PM2.5, Arctic, fire climate patterns, atmospheric circulation, particulate organic matter, air pollution

Using machine learning to predict inland aquatic CO2 and CH4 concentrations and the effects of wildfires in the Yukon-Kuskokwim delta, Alaska

Climate change is causing an intensification in tundra fires across the Arctic, including the unprecedented 2015 fires in the Yukon-Kuskokwim (YK) Delta. The YK Delta contains extensive surface waters (∼33% cover) and significant quantities of organic carbon, much of which is…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska
Keywords: Yukon-Kuskokwim Delta, carbon balance, C - carbon, machine learning

Projections of future wildfires impacts on air pollutants and air toxics in a changing climate over the western United States

Wildfires emit smoke particles and gaseous pollutants that greatly aggravate air quality and cause adverse health impacts in the western US (WUS). This study evaluates how wildfire impacts on air pollutants and air toxics evolve from the present climate to the future climate…
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: PM - particulate matter, O3 - ozone, wildfires, fire emissions, air toxics, air quality

A high-precision forest fire smoke detection approach based on ARGNet

The occurrence of forest fires can lead to ecological damage, property loss, and human casualties. Current forest fire smoke detection methods do not sufficiently consider the characteristics of smoke with high transparency and no clear edges and have low detection accuracy,…
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, fire detection, adjacent layer composite network, global optimal nonmaximum suppression, UAV-IoT, recursive feature pyramid with deconvolution and dilated convolution

Drainage canal impacts on smoke aerosol emissions for Indonesian peatland and non-peatland fires

Indonesia has experienced frequent fires due to the lowering of groundwater levels caused by drainage via extensive canal networks for agricultural development since the 1970s. However, the impact of canals on fire emissions is still poorly understood. Here we investigate canal…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Restoration and Rehabilitation
Region(s): International
Keywords: peatland, drainage, peatland restoration, water level, wildfire, water level, aerosol emissions

Air pollution, human health and climate change: newspaper coverage of Australian bushfires

We examine 512 Australian newspaper articles published over a five-year period (2016–2021) that report on air pollution due to bushfire smoke and resulting human health impacts. We analyze to what extent these articles provide information on the possible range of negative health…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Safety, Social Science
Region(s): International
Keywords: Australia, climate change, newspaper coverage, bushfire, wildfire, human health, air pollution

A review of the effects of wildfire smoke on the health and behavior of wildlife

Climate change is intensifying global wildfire activity, and people and wildlife are increasingly exposed to hazardous air pollution during large-scale smoke events. Although wildfire smoke is considered a growing risk to public health, few studies have investigated the impacts…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, wildlife behavior, wildlife health, wildfire, health effects, wildlife movement, air pollution, conservation, climate change

Effect of fire factors (smoke, ash, charcoal and heat) on seeds of plant species

The effect of the main fire factors (smoke, ash, charcoal and heat) can influence the germination of species through their seeds. Hence, a methodology has been devised in order to have a common protocol for those who work in this area and serve as a valuable tool to compare…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: ash, charcoal, heat, seed viability, germination, reproductive behavior, fire treatment, incubation