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During the summer of 2017, several megafires in South-Central Chile burned down forest plantations, native forests, shrublands and human settlements. National authorities identified the relevant effects of the wildfires on infrastructure and ecosystems. However, other indirect…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Hazard and Risk, Monitoring and Inventory
Region(s): International
Keywords: wildfire impacts, air pollution, natural hazards, risk assessment, ecosystem services, ecosystems, Chile, fire severity, megafires, air quality, PM - particulate matter, Landsat, ASTER - Advanced Spaceborne Thermal Emission and Reflection Radiometer, MODIS - Moderate Resolution Imaging Spectroradiometer

The quantification of the UV characteristics of smoke aerosols is valuable to UV Index forecasting, air quality studies, air chemistry studies, and assessments of the impacts on regional and global environmental changes. The wavelength dependence of the light absorption by smoke…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): California, Southern, Southwest
Keywords: aerosols, UV radiation, WRF-Chem-SMOKE model, remote sensing, satellite data, aircraft measurements

Southeast Asia, in particular Indonesia, has periodically struggled with intense fire events. These events convert substantial amounts of carbon stored as peat to atmospheric carbon dioxide (CO2) and significantly affect atmospheric composition on a regional to global scale.…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: Southeast Asia, Indonesia, CO - carbon monoxide, remote sensing, satellite data, IASI - Infrared Atmospheric Sounding Interferometer, MOPITT - Measurement of Pollution in the Troposphere instrument

Wildfires produce substantial CO2 emissions in the humid tropics during El Niño-mediated extreme droughts, and these emissions are expected to increase in coming decades. Immediate carbon emissions from uncontrolled wildfires in human-modified tropical forests can be…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Monitoring and Inventory
Region(s): International
Keywords: CO2 - carbon dioxide, Amazonia, Brazil, El Niño, remote sensing, necromass, fire intensity, tropical forest, drought

Environmental monitoring and modelling, especially in the regional context, has seen significant progress with the widely usage of satellite measurement in conjunction with local meteorological and air quality monitoring to understand the atmospheric dispersion and transport of…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): International
Keywords: Australia, bushfire, aerosol transport, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, CCAM - Conformal Cubic Atmospheric Model, CALIPSO, MODIS - Moderate Resolution Imaging Spectroradiometer

Fire managers use prescribed fire and some wildfires to meet resource management objectives, like restoring and maintaining ecological processes, watershed function, and wildlife habitat, as well as to reduce fuels and mitigate the risk of severe wildfires. However, public…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory, Safety, Social Science, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke impacts, air quality, remote sensing, human dimensions of wildland fire, wildfires, fire management, public perception, WFAQRP - Wildland Fire Air Quality Response Program, ARA - Air Resource Advisor

Wildfires are a major source of air pollutants in the United States. Wildfire smoke can trigger severe pollution episodes with substantial impacts on public health. In addition to acute episodes, wildfires can have a marginal effect on air quality at significant distances from…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Mapping, Monitoring and Inventory, Safety
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfires, wildland fire, air pollutants, public health, MODIS - Moderate Resolution Imaging Spectroradiometer, MTBS - Monitoring Trends in Burn Severity, NDVI - Normalized Difference Vegetation Index, burned area

Wildfires and prescribed fires produce emissions that degrade visibility and are harmful to human health. Smoke emissions and exposure monitoring is critical for public and environmental health protection; however, ground-level measurements of smoke from wildfires and prescribed…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Prescribed Fire
Region(s): Rocky Mountain
Keywords: air quality, PM - particulate matter, PM2.5, OAS - Outdoor Aerosol Sampler, wildfires, UPAS - Ultrasonic Personal Aerosol Sampler

This paper presents a weighted least squares approach to retrieve aerosol layer height from top-of-atmosphere reflectance measurements in the oxygen A band (758–770 nm) over bright surfaces. A property of the measurement error covariance matrix is discussed, due to which photons…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): International
Keywords: aerosol, aerosol layer, WNLS - weighted nonlinear least squared regression, wildfires, plume, GOME - Global Ozone Monitoring Experiment, O3 - ozone

The dispersion of particles from wildfires, volcanic eruptions, dust storms, and other aerosol sources can affect many environmental factors downwind, including air quality. Aerosol injection height is one source attribute that mediates downwind dispersion, as wind speed and…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: injection height, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, plume dispersion, MISR - Multi-angle Imaging SpectroRadiometer, wildfires, volcanic eruption

The Arctic is warming at an alarming rate, yet the processes that contribute to the enhanced warming are not well understood. Arctic aerosols have been targeted in studies for decades due to their consequential impacts on the energy budget, both directly and indirectly through…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska
Keywords: climate change, aerosols, North Slope of Alaska, oil, wildfires

The western United States has experienced increasing wildfire activities, which have negative effects on human health. Epidemiological studies on fine particulate matter (PM2.5) from wildfires are limited by the lack of accurate high‐resolution PM2.5 exposure data over fire days…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): Rocky Mountain
Keywords: PM2.5, PM - particulate matter, Colorado, AOD - aerosol optical depth, Bayesian, CMAQ - Community Multiscale Air Quality Modeling System, MAIAC - Multi‐angle Implementation of Atmospheric Correction

Background- In the summer of 2015, hundreds of wildfires burned across the state of Alaska, and consumed more than 1.6 million ha of boreal forest and wetlands in the Yukon–Koyukuk region. Mapping of 113 large wildfires using Landsat satellite images from before and after 2015…
Person:
Year: 2018
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska
Keywords: C - carbon, 2015 fire season, Interior Alaska, wildfires, boreal forest, soil carbon, Landsat