Type
Topic
Region
Year
Displaying 851 - 875 of 5840
In recent years, wildland fires have occurred more frequently and with increased intensity in many fire-prone areas. In addition to the direct life and economic losses attributable to wildfires, the emitted smoke is a major contributor to ambient air pollution, leading to…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfire smoke, wood smoke, air pollution, cardiovascular health, public health, PM - particulate matter
Wildfires are an important source of nitrous acid (HONO), a photolabile radical precursor, yet in situ measurements and quantification of primary HONO emissions from open wildfires have been scarce. We present airborne observations of HONO within wildfire plumes sampled during…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: HONO - nitrous acid, wildfires, N - nitrogen, fire plumes, hydrogen oxide
The evolution of organic aerosol (OA) and brown carbon (BrC) in wildfire plumes, including the relative contributions of primary versus secondary sources, has been uncertain in part because of limited knowledge of the precursor emissions and the chemical environment of smoke…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: biomass burning, secondary organic aerosol, brown carbon, phenolic compounds, aircraft measurements, PM2.5, wildfires, plumes
Frequency and intensity of wildfire occurrences are dramatically increasing worldwide due to global climate change, having a devastating effect on the entire ecosystem including plants. Moreover, distribution of fire-smoke can influence the natural environment over very long…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: forest fire, peat fires, SO2 - sulfur dioxide, sulphite detoxification, oaks, beech, Germany, Fagus sylvatica, Quercus robur
Wildfires are starting to increase on a global scale due to a changing climate. These wildfires can destroy everything in their path and impact negatively on the environment, air quality and climate. On the October 28, 2018, a fire broke out in Outeniqua (33.75°S and 23.00°E),…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Occurrence, Mapping, Weather
Region(s): International
Keywords: South Africa, biomass burning, active fires, CALIPSO, black carbon, burnt area, PM - particulate matter, NDVI - Normalized Difference Vegetation Index, soil moisture, FRP - Fire Radiative Power
Peatlands play an important role as carbon pools, storing a third of the world's soil carbon. However, peatlands in Southeast Asia have suffered from depletion due to economic pressure and the demand for natural resources, often caused by land use changes and fires. Usually,…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: climate change, peat soil, greenhouse gas, depth of burn, peatlands, Indonesia
Part of the FIRE x FAUNA: Wildfire and Prescribed Fire Effects on Wildlife series sponsored by Forest Service Research and Development
Cannabis cultivation and wildfires: Where there’s smoke, there’s smoke, Adam Cummings, Ecologist
Wildfires ignitions, costs to wildlife, and…
Person: Cummings, Gabriel, Lake
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Effects, Regulations and Legislation, Safety
Region(s): California
Keywords: cannabis, wildlife, wildfire, rodenticide, cultivation, Indigenous burning, pyrodiversity, fish, solar radiation, inversion, fisheries, smoke density, AOT - aerosol optical thickness, water temperature
The Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen (WE‐CAN) deployed the NSF/NCAR C‐130 aircraft in summer 2018 across the western U.S. to sample wildfire smoke during its first days of atmospheric evolution. We present a summary of a subset of…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: biomass burning, oxidized reactive nitrogen, smoke plumes
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
Throughout the United States, wildland firefighters respond to wildfires, performing arduous work in remote locations. Wildfire incidents can be an ideal environment for the transmission of infectious diseases, particularly for wildland firefighters who congregate in work and…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, PM - particulate matter, occupational exposure, SARS-CoV-2, COVID-19, firefighters, firefighter health
Carbonaceous aerosols and gaseous pollutants emitted from wildfires play a crucial role in both the global climate system and regional air quality. Here, using multisource satellite and ground-based observations combined with reanalysis data, we investigate the three-dimensional…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): International
Keywords: biomass burning, satellite observations, MERRA - Modern-Era Retrospective analysis for Research and Applications, China, aerosols
This webinar to the NWCG Smoke Committee describes experimental tools developed for smoke management including higher resolution 7-day forecasts. Presented by Bret Anderson, who works for the National USDA Forest Service Air program and develops tools for wildfire smoke…
Person: Anderson
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Smoke Dispersion Modeling, smoke modeling, air quality forecasting
A case study of particle dispersion modeling to assess ventilation adjective ratings in Colorado. The goal of this research is to improve smoke ventilation in support of prescribed fire and fuel reduction operations by deploying old and new methods and technologies. This…
Person: Charney, Mathewson
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Planning, Weather
Region(s): Rocky Mountain
Keywords: smoke, Smoke Dispersion Modeling, ventilation
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
In this short webinar, RMRS Research Physical Scientist Shawn Urbanski and Fire Ecologist Duncan Lutes will discuss the current state of the science on wildland fire smoke emissions, including pollutants present in smoke, methods for quantifying emission flux, existing datasets…
Person: Urbanski, Lutes
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FOFEM - First Order Fire Effects Model, fuel consumption, smoke prediction, public health, smoke impacts, emission factor, C - carbon, fuelbed properties, PM2.5, smoldering, flaming combustion, PM - particulate matter
A presentation delivred to by Caroline Noble to the National Wildfire Coordinating Group (NWCG) Smoke Committee (SmoC) in November 2020. The presentation focuses on the current features of the Interagency Fuel Treatment Decision Support System (IFTDSS) Version 3.2.2.1. Questions…
Person: Noble
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Hazard and Risk, Models, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke, fuels planning, fire modeling, smoke modeling, risk models, DSS - decision support system
Wildland firefighters are exposed to health hazards including inhaling hazardous pollutants from the combustion of live and dead vegetation (smoke) and breathe soil dust, while working long shifts with no respiratory protection. This research brief summarizes a study analyzing…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: PM - particulate matter, PM2.5, cardiovascular disease, lung cancer, smoke exposure, firefighter safety, relative risk
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
Wildfire smoke influences on air quality and atmospheric chemistry have been underscored by the increasing fire prevalence in recent years, and yet, the connection between fire, smoke emissions, and the subsequent transformation of this smoke in the atmosphere remains poorly…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Mapping, Monitoring and Inventory
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: aerosol, FIREX‐AQ - Fire Influence on Regional to Global Environments and Air Quality, remote sensing, FRP - Fire Radiative Power, in situ monitoring, wildfire, satellite observations, gas emissions
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
Reactive nitrogen (Nr) within smoke plumes plays important roles in the production of ozone, the formation of secondary aerosols, and deposition of fixed N to ecosystems. The Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen (WE‐CAN) field…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: wildfire smoke, reactive nitrogen, NO - nitrogen oxide, ammonia, air quality
Various regions of California have experienced a large number of wildfires this year, at the same time the state has been experiencing a large number of cases of and deaths from Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). The present study aimed to investigate…
Person:
Year: 2021
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: wildfires, environmental pollution, COVID-19, prevalence, mortality, PM2.5, PM - particulate matter, human health, CO - carbon monoxide, O3 - ozone
Wildfires in the western United States are expected to increase both in size and severity in coming decades. These trends are likely to accelerate large-scale habitat loss and fragmentation for the spotted owl in the Pacific Northwest, California, and the Southwest. All three…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): California, Northwest, Southwest
Keywords: spotted owl, Strix occidentalis, Strix occidentalis caurina, Strix occidentalis lucida, Strix occidentalis occidentalis, northern spotted owl, California spotted owl, Mexican spotted owl, large fires, annual area burned, habitat, fire severity, forest structure, forest composition