Type
Topic
Region
Year
Displaying 26 - 50 of 853
Large scale biomass burning like forest fires and crop residue burning can significantly impact the physical environment, including land cover, land use, ecology, habitats, and climate change. We investigated the effect of fire counts on surface Black Carbon mass concentration (…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): International
Keywords: fire count, fire density, forest fire, wildfire, black carbon, NO2 - nitrogen dioxide, India, biomass burning
Wildfire activity in the western United States during August to October 2020 was exceptional in terms of the fire severity and area burned. Extremely dry biomass fuels from near historic multi-year drought conditions were further exacerbated with very hot and dry conditions in…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Monitoring and Inventory
Region(s): California, Eastern, Northwest, Southern
Keywords: aerosol, remote sensing, AOD - aerosol optical depth, AERONET - Aerosol Robotic Network, PM2.5, PM - particulate matter, fine mode particulate mass, brown carbon, carbon absorbtion, extreme wildfires
The damage caused by forest fires to humans and the environment cannot be ignored. However, there are few works about the traceability of tree smoke in current time. In this paper, a new system of laser-induced breakdown spectroscopy (LIBS) combined with machine learning was…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: LIBS - laser-induced breakdown spectroscopy, forest fires, wildfires, source tracing, principal component analysis, BP-ANN - back propagation artificial neural networks
Extreme wildfires are becoming more common and increasingly affecting Earth’s climate. Wildfires in boreal forests have attracted much less attention than those in tropical forests, although boreal forests are one of the most extensive biomes on Earth and are experiencing the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Monitoring and Inventory
Region(s): International
Keywords: boreal forest, boreal forest fires, wildfires, CO2 - carbon dioxide, Eurasia, North America, water deficit
Smoke plumes emitted from wildland-urban interface (WUI) wildfires contain toxic chemical substances that are harmful to human health, mainly due to the burning of synthetic components. Accurate measurement of these air toxics is necessary for understanding their impacts on…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Safety, Wildland-Urban Interface (WUI)
Region(s): California
Keywords: UAV - unmanned aerial vehicles, wildfire, smoke plumes, air quality monitoring, low-cost sensor, VOC - volatile organic compounds
Wildfires negatively affect the atmosphere and ecological environment. The rapid identification of smoke is helpful for early fire detection and positioning, which are significant for fire early warning, fire point tracing, and atmospheric environment monitoring. The purpose of…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Models, Monitoring and Inventory
Region(s): International
Keywords: smoke detection, concentration, inversion, Mahalanobis distance, fire detection, fire positioning, satellite imagery
Background
: Climate change impacts humans and society both directly and indirectly. Alaska, for example, is warming twice as fast as the global mean, and researchers are starting to grapple with the varied and interconnected ways in which climate change affects the people there…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Safety
Region(s): Alaska
Keywords: wildfires, PM2.5, PM - particulate matter, asthma, smoke exposure, rural areas, human health, fire proximity
Forests are exposed to changing climatic conditions reflected by increasing drought and heat waves that increase the risk of wildfire ignition and spread. Climatic variables such as rain and wind as well as vegetation structure, land configuration and forest management practices…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): International
Keywords: forest fire, wildfire, greenhouse gases, satellite images, dNBR - differenced Normalized Burn Ratio, burning efficiency
The behaviour of wildland fires and the dispersion of smoke from those fires can be strongly influenced by atmospheric turbulent flow. The science to support that assertion has developed and evolved over the past 100+ years, with contributions from laboratory and field…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: atmospheric turbulence, measurements, plumes, smoke dispersion, synthesis, vortices, wildland fires, wildfires
Space-borne observations are used to characterize the fate of formaldehyde and glyoxal in wildfire plumes. Their distribution measured by the Tropospheric Monitoring Instrument reveals striking differences between the two compounds near intense fires. In typical situations, the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: glyoxal, atmosphere, wildfires, pyrocumulonimbus, formaldehyde, satellite measurements
The SCIENCEx webinar series brings together scientists and land management experts from across U.S. Forest Service research stations and beyond to explore the latest science and best practices for addressing large natural resource challenges across the country. These webinars…
Person:
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Aquatic, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords:
The 2nd Alaska Fire Science Consortium (AFSC) Research-to-Operations (R2O) workshop convened May 12-13 at the University of Alaska Murie Building.The 1.5-day workshop was held following NASA ABoVE’s 8th Annual Science Team Meeting as an opportunity for researchers and managers…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory
Region(s): Alaska
Keywords: ABoVE - NASA Arctic-Boreal Vulnerability Experiment, soil moisture, vegetation, remote sensing, vegetation management, WFEIS - Wildland Fire Emissions Information System, combustion
Forest fires are a serious ecological concern, and smoke is an early warning indicator. Early smoke images barely capture a tiny portion of the total smoke. Because of the irregular nature of smoke’s dispersion and the dynamic nature of the surrounding environment, smoke…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): International
Keywords: YOLO model, smoke detection, wildfire, data augmentation, object detection, fire detection
This study investigates the wildfire biomass-burning emission levels during strong El Niño–southern oscillation (ENSO) events of 2010–2011 (characterized by a strong La Niña event) and 2015–2016 (characterized by a strong El Niño event) over the southern African region.…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Monitoring and Inventory, Weather
Region(s): International
Keywords: ENSO - El Nino Southern Oscillation, wildfires, southern Africa, remote sensing, sea surface temperatures , generalized extreme studentized deviate
In a general framework characterized by ever-increasing evidence of impacts attributable to climate change, the quantitative estimation of wildfire emissions (e.g., black carbon, carbon monoxide, particulate matter) and the evaluation of its uncertainty are crucial for…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): International
Keywords: wildfires, ground-based emission inventory, remote sensing, emission inventories, GFED - Global Fire Emissions Database, Italy, biomass burning
Wildfire frequency has increased in the Western US over recent decades, driven by climate change and a legacy of forest management practices. Consequently, human structures, health, and life are increasingly at risk due to wildfires. Furthermore, wildfire smoke presents a…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models, Monitoring and Inventory, Weather
Region(s): California
Keywords: wildfire, air quality, fire arrival, biomass burning, SFIRE, FINN - Fire Inventory of NCAR, wildfire spread
In this study, two rainfall events following the Antalya forest fires were sampled via a volume-based sequential sampling method. Two and four fractional samples were obtained from the first (S) and the second (M) rainfall events, respectively. pH and the conductivity of the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): International
Keywords: Türkiye, ion concentrations, SEM-EDS - Scanning Electron Microscopy Energy Dispersive X-ray Spectroscopy, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, particle size distribution, sequential rain, forest fire, wildfire
An algorithm for retrieving nighttime aerosol optical depth (AOD) from the Visible Infrared Imaging Radiometer Suite (VIIRS) Day-Night Band (DNB) observations of reflected moonlight is presented for rural areas during the western U.S. fire seasons. The algorithm uses the UNified…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: AOD - aerosol optical depth, retrieval, algorithms, VIIRS - Visible Infrared Imaging Radiometer Suite, DNB - day-night band, moonlight observation, smoke transport, diurnal cycle, rural, air quality
The NOAA/NASA FIREX-AQ (Fire Influence on Regional to Global Environments and Air Quality) experiment was a multi-agency, inter-disciplinary research effort to: (1) obtain detailed measurements of trace gas and aerosol emissions from wildfires and prescribed fires using aircraft…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, air quality, remote sensing
Since 1998, the Joint Fire Science Program (JFSP) has provided funding and science delivery for scientific studies associated with managing wildland fire, fuels, and fire-impacted ecosystems to respond to emerging needs of managers, practitioners, and policymakers from local to…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Administration, Aquatic, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Hazard and Risk, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: JFSP - Joint Fire Science Program
Abstract. Wildfire smoke is known as a highly absorptive aerosol type in the shortwave wavelength range. The absorption of Sun light by optically thick smoke layers results in heating of the ambient air. This heating is translated into self-lofting of the smoke up to more than 1…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): International
Keywords: CALIOP - Cloud Aerosol Lidar with Orthogonal Polarization, CAMS - Copernicus Atmosphere Monitoring Service, MODIS - Moderate Resolution Imaging Spectroradiometer, wildfires, ECRAD - European Centre for Medium-RangeWeather Forecasts Radiation, lofting, AOT - aerosol optical thickness, plumes
Brown carbon (BrC) associated with aerosol particles in western United States wildfires was measured between July and August 2019 aboard the NASA DC-8 research aircraft during the Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) study. Two BrC…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfires, air quality, brown carbon, PAS - Photoacoustic Aerosol Absorption Spectrometer, aerosol, FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality
Abstract. Light absorbing organic carbon, or brown carbon (BrC), can be a significant contributor to the visible light absorption budget. However, the sources of BrC and the contributions of BrC to light absorption are not well understood. Biomass burning is thought to be a…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: C - carbon, brown carbon, organic carbon, WE-CAN - Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen, carbon absorbtion, wildfires, PILS - Particle-into-Liquid Sampler, PAS - Photoacoustic Aerosol Absorption Spectrometer
Biomass burning is a large source of uncontrolled air pollutants, including particulate matter (i.e., PM2.5), black carbon (BC), volatile organic compounds (VOCs), and carbon monoxide (CO), which have significant effects on air quality, human health, and climate. Measurements of…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Safety
Region(s): Eastern
Keywords: PM - particulate matter, PM2.5, black carbon, VOC - volatile organic compounds, CO - carbon monoxide, air quality, wildfires, smoke plumes
Firefighters are occupationally exposed to an array of hazardous chemicals, and these exposures have been linked to the higher rates of some cancer in firefighters. However, additional research that characterizes firefighters' exposure is needed to fully elucidate the impacts on…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory, Safety
Region(s): Southern
Keywords: firefighter, wristband, PAH - polycyclic aromatic hydrocarbons, exposure, on-duty, polyfluoroalkyl substances, polybrominated diphenyl ethers, SVOC - semi-volatile organic compounds