Skip to main content

Displaying 201 - 225 of 5838

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

Forest plantations can substantially contribute to carbon sequestration and greenhouse gas (GHG) mitigation at the country and global scales. Forest fires (especially when combined with droughts) may remarkably reduce such carbon sequestration capability. The IPCC has global-…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: Chile, wildfires, carbon cycling, forest fire carbon emission, plantations, Pinus radiata, Eucalyptus spp., greenhouse gas

In response to the JFSP Funding Opportunity Notice, FON 2015-1 Task 2, which contemplated a Smoke Hazard Warning System, we proposed AIRPACT-Fire for enhanced communication of human health risk with improved wildfire smoke modeling, which robustly addressed the JFSP criteria. We…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Models, Outreach, Safety
Region(s): Great Basin, Northern Rockies, Northwest
Keywords: AIRPACT, WRF-SFIRE, WRF-SMOKE-CMAQ model, CMAQ - Community Multiscale Air Quality Modeling System, air quality, air pollution, forecasting, wildfire, forest fire, biomass burning, PM2.5, health effects, NowCast, health risk, visual range, relative risk, Kalman Filter, bias correction, kriging

Wildland fire, wildfire and prescribed burning, plays important roles in the ecosystems of Southeastern United States. Wildfires and related smoke can damage property and human health. In contrast, prescribed fire can reduce the occurrence, size, and severity of uncontrolled…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Models, Prescribed Fire, Safety
Region(s): Southern
Keywords: air pollution, air quality management, air quality, air quality modeling, biomass burning, land management, smoke exposure, smoke impacts, wildfire, fire management

Scientists and partners are working to advance our understanding of fire, developing planning tools, and understanding public perceptions to help reduce barriers to conducting prescribed fires. 
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fuels, Hazard and Risk, Planning, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northern Rockies, Northwest, Rocky Mountain
Keywords: fuels treatment, POD - Potential Operational Delineation, PM - particulate matter, PM2.5, community-based partnerships, lynx, habitat

The Community Multiscale Air Quality (CMAQ) Modeling System is EPA’s premier modeling system for studying air pollution from global to local scales. For nearly a quarter century, EPA and states have used CMAQ—a powerful computational tool for translating fundamental atmospheric…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, clouds, CMAQ - Community Multiscale Air Quality Modeling System, dry deposition, gas phase, vertical advection, vertical diffusion

CMAQ (see-mak), the Community Multiscale Air Quality Modeling System, is an active open-source development project of the US Environmental Protection Agencythat consists of a suite of programs for conducting air quality model simulations. CMAQ combines current knowledge in…
Person:
Year:
Type: Tool
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, clouds, CMAQ - Community Multiscale Air Quality Modeling System, dry deposition, gas phase, vertical advection, vertical diffusion

[from the text] For millennia, Indigenous communities managed forests in the American West with fire to produce a range of environmental and cultural benefits. This long history of cultural burning combined with frequent lightning produced fire-adapted forests, woodlands, and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Administration, Emissions and Smoke, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Social Science
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: forest resilience, community protection, environmental conservation, risk reduction, private lands, public benefits, liability, forest health, permitting, air quality

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

Wildfires cause severe disruptions to forest soils and modify the carbon (C) cycle in the post-fire soils. Yet, the contribution of abiotic and biotic drivers to CO2 emission in the post-fire forest soils is not well understood. This study investigated soil CO2 emission from the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: soils, carbon cycle, CO2 - carbon dioxide, P - phosphorus, China

Wildfires are one of the most important disturbance factors in Siberia, covering up to 30 Mha annually. Carbon emissions vary greatly depending on the ecosystem type and fire severity. The fuel load and structure in different ecosystems are fundamental drivers of fire behavior…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): International
Keywords: Siberia, fuel loads, wildfires, logging, fire emissions

While the Mediterranean basin is foreseen to be highly affected by climate change (CC) and severe forest fires are expected to be more frequent, international efforts to fight against CC do not consider forest fires’ greenhouse gas (GHG) emissions risk and the possibility of its…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Hazard and Risk, Models
Region(s): International
Keywords: greenhouse gas emissions, forest fires, emission vulnerability, carbon stock, risk models, damage, Portugal, Spain, France, Italy

Rationale: Given the increasing prevalence of wildfires worldwide, understanding the effects of wildfire air pollutants on human health, in specific, immunological pathways, is crucial. Exposure to air pollutants has been associated with cardiorespiratory disease, however,…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: public health, air pollutants, smoke exposure

Wildfires are increasing yearly in number and severity as a part of the evolving climate crisis. These fires are a significant source of air pollution, a common driver of flares in cardiorespiratory disease, including asthma, which is the most common chronic disease of childhood…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Safety
Region(s): International
Keywords: wildfire, wildland fire, forest fires, pediatric, population, asthma, air pollution, PM2.5, Calgary, Canada

Wildfires are relevant sources of PM emissions and can have an important impact on air pollution and human health. In this study, we examine the impact of wildfire PM emissions on the Piemonte (Italy) air quality regional monitoring network using a Generalized Additive Mixed…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: wildfires, air pollution, PM - particulate matter, PM10, PM2.5, generalized additive mixed model, Italy

Background: Peatlands are becoming more vulnerable to smouldering fires, driven by climate change and human activities. Aims: This work explores the persistent burning, propagation, and emission of the deep peat fire. Methods: Laboratory experiments are conducted with a 1-m deep…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: burning duration, fire detection, fuel mass loss, peat soils, peatland fires, underground fires, smoldering propagation, laboratory experiments, peat fires

Background: In wildland-urban interface (WUI) fires, particulates from the combustion of both natural vegetative fuels and engineered cellulosic fuels may have deleterious effects on the environment. Aims: The research was conducted to investigate the morphology of the…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: combustion, human health, OSB - oriented strand board, Scanning Electron Microscopy, particulates, smoldering, thermophoretic sampling, particle size

Background: Fire models use pyrolysis data from ground samples and environments that differ from wildland conditions. Two analytical methods successfully measured oxidative pyrolysis gases in wind tunnel and field fires: Fourier transform infrared (FTIR) spectroscopy and gas…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: compositional data, data analysis, FTIR - Fourier transform infrared absorption spectroscopy , fourier transform infrared spectroradiometer, gas chromatography, flame ionisation detector, gas composition, log-ratio, Pinus palustris

Warming temperatures and prolonged drought periods cause rapid changes of fire frequencies and intensities in high-latitude ecosystems. Associated smoke plumes deposit dark particles from incomplete combustion on the Greenland ice sheet that reduce albedo but also provide a…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire History, Fire Occurrence
Region(s): International
Keywords: boreal forest, Greenland, paleofire, black carbon, ice cores, microscopic charcoal analysis, biomass burning

The Pyrocumulonimbus (pyroCb) events over British Columbia in 2017 were observed in the lower stratosphere for about 8–10 months after the smoke injections. Several previous studies used global climate models to investigate the physical parameters for the 2017 pyroCb events, but…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models
Region(s): International
Keywords: E3SM - Energy Exascale Earth System Model, British Columbia, Canada, pyrocumulonimbus, pyroCb, stratospheric aerosol, machine learning, aerosol radiative effects, AOD - aerosol optical depth, climate impacts

Objective: To evaluate the association of short-term exposure to overall fine particulate matter of <2.5 μm (PM2.5) and wildfire-specific PM2.5 with emergency department (ED) visits for headache. Background: Studies have reported associations between PM2.5 exposure and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): California
Keywords: PM2.5, PM - particulate matter, headache, health impacts, public health

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

The intensity and frequency of wildfires is increasing globally. The systematic review of the current evidence on long-term impacts of non-occupational wildfire exposure on human health has not been performed yet. To provide a systematic review and identify potential knowledge…
Person:
Year: 2023
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, International, National
Keywords: wildfire, systematic review, long-term health effects, PM - particulate matter, nitrogen oxides, human health, wildfire exposure

Background: Efforts to mitigate the adverse effects of wildfire smoke have focused on modifying human behaviour to minimise individual exposure, largely accomplished by providing smoke forecasts, monitoring, and consistent public messaging. Aims: To identify a strategy to reduce…
Person:
Year: 2022
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels
Region(s): Northwest
Keywords: air pathways, air quality, back trajectories, communities, fuel treatments, PM2.5, source apportionment, vegetative strata, Oregon