Type
Topic
Region
Year
Displaying 1 - 25 of 69
Wildfires in humid tropical forests have become more common in recent years, increasing the rates of tree mortality in forests that have not co-evolved with fire. Estimating carbon emissions from these wildfires is complex. Current approaches rely on estimates of committed…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Amazon, Brazil, CO2 - carbon dioxide, vegetation growth, stem mortality, tree mortality
The 2019–20 Australian mega-bushfires, which raged particularly over New South Wales and Victoria, released large amounts of toxic haze and CO2. Here, we investigate whether the resulting CO2 enhancement can be directly detected by satellite observations, based on National…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Australia, bushfire, megafires, satellite observations, CO2 - carbon dioxide
The Australian bushfires around the turn of the year 2020 generated an unprecedented perturbation of stratospheric composition, dynamical circulation and radiative balance. Here we show from satellite observations that the resulting planetary-scale blocking of solar radiation by…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): International
Keywords: Australia, wildfires, vortex, atmospheric chemistry, atmospheric dynamics, natural hazards, bushfires, pyro-Cb, pyro-cumulonimbus, remote sensing
Nitrous acid (HONO) is a precursor of the hydroxyl radical in the atmosphere, which controls the degradation of greenhouse gases, contributes to photochemical smog and ozone production, and influences air quality. Although biomass burning is known to contribute substantially to…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Mapping, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: atmospheric science, climate science, HONO - nitrous acid, wildfires, plumes, NO2 - nitrogen dioxide, satellite monitoring, remote sensing, greenhouse gases, O3 - ozone
Biomass burning (BB) emissions significantly deteriorate air quality in many regions worldwide, impact human health and perturbing Earth's radiation budget and climate. South America is one of largest contributors to BB emissions globally. After Amazonia, BB emissions from open…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Colombia, South America, biomass burning, atmospheric transport, air pollution, aerosol, health impacts, secondary organic aerosol, WRF-Chem
Carbon (C) emissions from wildfires are a key terrestrial–atmosphere interaction that influences global atmospheric composition and climate. Positive feedbacks between climate warming and boreal wildfires are predicted based on top-down controls of fire weather and climate, but…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Models, Weather
Region(s): Alaska, International
Keywords: boreal forest, Canada, fire severity, fuel availability, C - carbon, carbon emissions, biogeochemistry, forest ecology, ecosystem ecology, carbon pools, SEM - structural equation modeling
Wildfires over the past 3 years have resulted in lengthy episodes of smoke inundation across major metropolitan areas in Australia, Brazil, and the United States. In 2020, air quality across the western United States reached and sustained extremely unhealthy to hazardous levels…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Australia, Brazil, PM - particulate matter, health impacts, air quality, human health
Wildfires and other types of biomass burning are a seasonal phenomenon in different land ecosystems around the world. Such fires are estimated to consume biomass containing a total of 2-5 petagrams of carbon globally every year, generating heat energy and emitting smoke plumes…
Person: Ichoku
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: FRE - Fire Radiative Energy, biomass, PM - particulate matter, air quality, black carbon, CO2 - carbon dioxide, MODIS - Moderate Resolution Imaging Spectroradiometer, remote sensing, emission factor, satellite observations
Fire has been a natural feature of the ecosystem for million years. Still, currently fire regimes have been increasingly altered by human activities and climate change, causing economic losses, air pollution, and environmental damage. In Brazil, savannas (locally known as the…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Models
Region(s): International
Keywords: Brazil, cerrado, savanna, frequent fires, plant biomass, climate change, aboveground biomass, carbon emissions, co-existence, fire frequency, management, BEFIRE
Biomass burning, including fires, has been identified as the largest source of primary fine carbonaceous particles in the troposphere and one of the major drivers of global carbon (C) cycle, cloud properties, and climate. Most of the global C emissions happen in the Pantropic…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Mexico, biomass, carbon emissions, tropical forest fire, field observations, C - carbon, MODIS - Moderate Resolution Imaging Spectroradiometer, GOES - Geostationary Operational Environmental Satellite, FRP - Fire Radiative Power, FRE - Fire Radiative Energy, climate change, ENSO - El Nino Southern Oscillation, La Nina
Fires burning across the Amazon in the summer of 2019 attracted global attention for the widespread destruction of natural ecosystems and regional smoke production. Using a combination of satellite fire observations and atmospheric modeling, Nawaz and Henze (2020, https://doi.…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: public health, Brazil, air pollution, PM - particulate matter, PM2.5, human health, health impacts
There has been an increasing interest in the economic health cost from smoke exposure from wildfires in the past 20 years, particularly in the north-western USA that is reflected in an emergent literature. In this review, we provide an overview and discussion of studies since…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, International
Keywords: BenMAP Community Edition, health impacts, literature review, Canada
The 'Black Summer' wildfires that affected Australia over the 2019-2020 summer have led to concern over the health effects of exposure to wildfire emissions, and generated a need for means to reduce exposure. Recently, active green infrastructure has been implemented in cities…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, botanical biofilter, green wall, living wall, green infrastructure, bushfire, air pollution, health impacts
We analyze the long‐range transport to high latitudes of a smoke particle filament originating from the extra‐tropics plume after the Australian wildfires colloquially known as ‘Black Saturday’ on February 7th 2009 and report the first Antarctic stratospheric lidar…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: LiDAR - Light Detection and Ranging, Australia, Antarctica, bushfires, aerosols, Black Saturday, O3 - ozone
Unprecedented smoke-related health burden associated with the 2019-20 bushfires in eastern Australia
[from the text] Weather conditions conducive to extreme bushfires are becoming more frequent as a consequence of climate change.1 Such fires have substantial social, ecological, and economic effects, including the effects on public health associated with smoke, such as premature…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Safety
Region(s): International
Keywords: Australia, air pollutants, air quality, bushfires, mortality, human health, climate change, PM2.5, PM - particulate matter
Carbon (C) emissions from forest fires in the Amazon during extreme droughts may correspond to more than half of the global emissions resulting from land cover changes. Despite their relevant contribution, forest fire-related C emissions are not directly accounted for within…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: Brazil, Amazon, C - carbon, committed carbon, forest fire, land use change, land cover change, regional assessment, burned area, MCD64A1, Fire_CCI, GABAM - Global Annual Burned Area Mapping , TREES - Tropical Ecosystems and Environmental Sciences
Remote sensing techniques are effectively used for measuring the overall loss of terrestrial ecosystem productivity and biodiversity due to forest fires. The current research focuses on assessing the impacts of forest fires on terrestrial ecosystem productivity in India during…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: forest fire, carbon emissions, greenhouse gas emissions, burn indices, NPP - net primary production, remote sensing, India, ecosystem productivity
This study investigated emission factors (EFs) for CO2, CO, NO and carbonyls from laboratory-based combustion of five typical vegetation types of Western Australia. A range of combustion conditions was obtained by controlling the vegetation moisture content and air flow rate.…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, bushfires, vegetation fires, trace gases, formaldehyde, carbonyls, laboratory fires
Smouldering peat fires are reported across continents and their emissions result in regional haze crisis (large scale accumulation of smoke at low altitudes) and large carbon foot prints. Inorganic content (IC) and bulk density vary naturally in peatlands and are among the…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: peat fires, biomass combustion, inorganic content, bulk density, pollutant, smoldering fires, United Kingdom
Forest fires contribute to climate change mainly due to emission of greenhouse gases by biomass burning and loss of sequestration by sink destruction. The average contribution in Spain between 1998 and 2015 was 9,494,910 Mg CO2 eq per year, 23.8% from biomass burning and 76.2%…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: greenhouse gases, greenhouse gas inventory, sink destruction, wildfires, climate change, Spain
Smoke exposure from bushfires, such as those experienced in Australia during 2019-2020, can reach levels up to 10 times those deemed hazardous. Short‐term and extended exposure to high levels of air pollution can be associated with adverse health effects, although the most…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: bushfires, Australia, asthma, cardiorespiratory disease, health impacts, smoke exposure, air pollution
Previous estimates of greenhouse gas emissions from Australian savanna fires have incorporated on-ground dead wood but ignored standing dead trees. However, research from eucalypt woodlands in southern Queensland has shown that the two pools of dead wood burn at similar rates.…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): International
Keywords: burning, dead wood, greenhouse gas emissions, woodland, Australia, carbon stock, fuel loading
With increasing heat and droughts world-wide, wildfires are becoming a more serious global threat to the world’s population. Wildfire smoke is composed of approximately 80% to 90% of fine (<2.5 um) and ultrafine (<1 um) particulate matter (PM) which are also common to…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: PM2.5, PM - particulate matter, public health
Wildfires strongly regulate carbon (C) cycling and storage in boreal forests and account for almost 10% of global fire C emissions. However, the anticipated effects of climate change on fire regimes may destabilize current C-climate feedbacks and switch the systems to new…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire disturbance, fire severity, soil respiration, CH4 - methane, N2O - nitrous oxide, permafrost, boreal forests, greenhouse gases
Polycyclic aromatic hydrocarbons (PAHs) are formed by the incomplete combustion of fossil fuels and forest or biomass burning. PAHs undergo long-range atmospheric transport, as evidenced by in situ observations across the Arctic. However, monitored atmospheric concentrations of…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: PAH - polycyclic aromatic hydrocarbons, BaP - benzo(a)pyrene, biomass burning, source apportionment, boreal forest, MODIS - Moderate Resolution Imaging Spectroradiometer, Russia, Arctic