Type
Topic
Region
Year
Displaying 1 - 25 of 117
Studies of the emissions from wildland fires are important for understanding the role of these events in the production, transport, and fate of emitted gases and particulate matter, and, consequently, their impact on atmospheric and ecological processes, and on human health and…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biomass burning, combustion, fuel selection criteria, wildland fire, wildfire, air quality, public health
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
Grassland fire dynamics are subject to myriad climatic, biological, and anthropogenic drivers, thresholds, and feedbacks and therefore do not conform to assumptions of statistical stationarity. The presence of non-stationarity in time series data leads to ambiguous results that…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Models, Weather
Region(s): International
Keywords: climate change, grassland ecology, China, grasslands, fire management, fire-climate relationships, carbon emissions
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
With global warming, the carbon pool in the degradation zone of permafrost around the Arctic will gradually be disturbed and may enter the atmosphere in the form of released methane gas, becoming an important factor of environmental change in permafrost areas. We selected the…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Hazard and Risk, Mapping
Region(s): International
Keywords: China, CH4 - methane, permafrost degradation, climate change, remote sensing, microorganisms, soil, natural hazards
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
Several studies have separately explored accumulation of the dominant fuels (grass, fine litter (<6 mm diameter) and coarse woody debris (CWD, 6-50 mm diameter)) in north Australian savannas. We report an analysis of two longitudinal datasets describing how these three fuel…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): International
Keywords: Australia, emissions abatement, fire management, fire regimes, fire seasonality, fuel accumulation, FPC - foliage projective cover, litter fuels, tropical savannas, CWD - coarse woody debris
Biomass fires in Indonesia emit high levels of greenhouse gases and particulate matter, key contributors to global climate change and poor air quality in south-east Asia. In order to better understand the drivers of biomass fires across Indonesia over multiple years, we examined…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Planning
Region(s): International
Keywords: Indonesia, biomass burning, climate change, fire hotspot, haze, Southeast Asia, Sumatra, Kalimantan, Papua New Guinea, fire probability, fire distribution, fire management
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
The risk of fires is ever increasing along with the boom of urban buildings. The current methods of detecting fire with the use of smoke sensors with large areas, however poses an issue. The introduction of video surveillance systems has given a great opportunity for identifying…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Hazard and Risk
Region(s): International
Keywords: smoke detection, fire detection, CNN - convolution neural network, image processing, deep learning, machine vision
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
Wildfire frequency and severity are increasing in many locations around the world. Wildfires emit particles and trace gases that are harmful to public health. In this talk, I will share results from several projects around the world that are evaluating the impact that wildfire…
Person: Marlier
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Mapping, Models, Monitoring and Inventory, Safety
Region(s): California, International
Keywords: Indonesia, air quality, public health, air pollution, remote sensing, morbidity, drought, climate change, land management, wildfires, PM - particulate matter, PM2.5
[from the text] The danger of catastrophic wildfires is increasing around the globe, with large fires occurring in Australia, Canada, Chile, Indonesia, Portugal, Russia, as well as in the United States over the past decade. A major driver globally is climate change, which is…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Hazard and Risk, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: climate change, fire frequency, public health, PM - particulate matter, respiratory disease, cardiovascular disease, wildfire smoke exposure, wildfires
Fire omission and commission errors, and the accuracy of fire radiative power (FRP) from satellite moderate-resolution impede the studies on fire regimes and FRP-based fire emissions estimation. In this study, we compared the accuracy between the extensively used 1-km fire…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: fire omission, commission errors, FRP - Fire Radiative Power, MODIS - Moderate Resolution Imaging Spectroradiometer, VIIRS - Visible Infrared Imaging Radiometer Suite, Asia, fire regimes, fire detection
As the need for wildfire detection increases, research on wildfire smoke detection combining low-cost cameras and deep learning technology is increasing. Camera-based wildfire smoke detection is inexpensive, allowing for a quick detection, and allows a smoke to be checked by the…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): International
Keywords: LSTM - long short-term memory, wildfires, smoke detection, YOLOv3, teacher-student framework, smoke-tube
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
In 2019 the Canadian Space Agency initiated development of a dedicated wildfire monitoring satellite (WildFireSat) mission. The intent of this mission is to support operational wildfire management, smoke and air quality forecasting, and wildfire carbon emissions reporting. In…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Mapping, Models, Monitoring and Inventory, Planning
Region(s): International
Keywords: wildfire management, wildfire, remote sensing, satellite imagery, Canada, design, satellite, wildfire detection, air quality, carbon emissions, user requirements, wildland fire, forest fire, Earth Observation