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The literature-spanning several recent decades-describes numerous attempts to characterize the efficacy of cumulonimbus 'Cb' convection as a pollutant pathway connecting the planetary BL to the upper troposphere and lower stratosphere (UTLS). The relatively new discovery of…
Person:
Year: 2019
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: aerosols, convection, cloud, cumulonimbus

The Joint Fire Science Program (JFSP) and the Environmental Security Technology Certification Program (ESTCP) initiated the Fire and Smoke Model Experiment (FASMEE) (https://sites.google.com/firenet.gov/fasmee/) by funding Project 15-S-01-01 to identify and collect a set of…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FASMEE - Fire and Smoke Model Evaluation Experiment, project management, large fire, experiments, fuel consumption, smoke modeling, fire modeling, energy release, plume rise, smoke transport, smoke dispersion, chemistry

Wildfire is an essential earth‐system process, impacting ecosystem processes and the carbon cycle. Forest fires are becoming more frequent and severe, yet gaps exist in the modeling of fire on vegetation and carbon dynamics. Strategies for reducing carbon dioxide (CO2) emissions…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: C - carbon, climate change mitigation, forests, greenhouse gas emissions, tree biomass, biomass consumption, biomass combustion factors

Epidemiological studies consistently show an association between wildfire-related smoke exposure and adverse respiratory health. We conducted a systematic review of evidence in published literature pertaining to heterogeneity of respiratory effects from this exposure in North…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Safety
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: wildfires, respiratory health, heterogeneity, ratio of relative risk, public health

Forest ecosystems sequester approximately 12% of anthropogenic carbon emissions, and efforts to increase forest carbon uptake are central to climate change mitigation policy. Managing forests to store carbon has focused on increasing forested area, decreasing area lost to…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: carbon emissions, climate change, forest carbon, forest management, carbon management

Most of the previous investigations on the relationship between PM2.5 chemical characteristics and wildfire focused on the predictions of particle components concentrations or future pollution scenarios. Little research has focused on trends analyses based on large temporal…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Weather
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: Generalized Additive Models, air pollution, wildfires, PM2.5, speciation, particulate carbon

Prescribed fire is often used by land managers as an effective means of implementing fuel treatments to achieve a variety of goals. Smoke generated from these activities can put them at odds with air quality regulations. We set out to characterize the emission tradeoff between…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): Great Basin
Keywords: fire management, fuels treatment, air quality, activity fuels, Boise National Forest, Idaho, thinning, Pioneer Fire

Smoke aerosols released from biomass burning greatly influence air quality, weather, and climate. The total particulate matter (TPM) of smoke aerosols has been demonstrated to be a linear function of fire radiative energy (FRE) during a period of biomass burning via a smoke…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Indonesia, emission coefficient, MODIS - Moderate Resolution Imaging Spectroradiometer, FRE - Fire Radiative Energy, smoke aerosols, PM - particulate matter, air quality, MODIS active fires

Smoke from human-induced fires such as prescribed fires can occasionally cause significant reduction in visibility on highways in the southern United States. Visibility reduction to less than three meters has been termed 'superfog' and environmental conditions that lead to its…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: superfog, visibility, liquid water content, CCN - cloud condensation nuclei

Wildland firefighters are exposed to wood smoke, which contains hazardous air pollutants, by suppressing thousands of wildfires across the U. S. each year. We estimated the relative risk of lung cancer and cardiovascular disease mortality from existing PM2.5 exposure-response…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Hazard and Risk, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildland fire, firefighters, PM - particulate matter, risk assessment, cardiovascular disease, lung diseases, firefighter health, smoke exposure

Seasonal-mean concentrations of particulate matter with diameters smaller than 2.5 μm (PM2.5) have been decreasing across the United States (US) for several decades, with large reductions in spring and summer in the eastern US. In contrast, summertime-mean PM2.5 in the western…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: PM - particulate matter, PM2.5, fire frequency, area burned, smoke plumes, GEOS-Chem, GEOS-Chem CTM

Biomass burning (BB) is a major source of black carbon (BC), but comparing BC content of different smoke-impacted air masses may be uncertain if different measurement techniques are used to quantify the BC, or if non-BC fractions influence a given measurement. To investigate…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: biomass burning, black carbon, aerosols, emission factors

Fire is a ubiquitous natural disturbance that affects 3–4% of the Earth's surface each year. It is a tool used by humans for land clearing and burning of agricultural wastes. The United Nations Sustainable Development Goals (SDGs) do not explicitly mention fire, though many of…
Person:
Year: 2019
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: ecosystem services, desertification, soil, transdisciplinary collaboration

Wildfire smoke presents a growing threat in the Western U.S.; and human health, transportation, and economic systems in growing western communities suffer due to increasingly severe and widespread fires. While modelling wildfire activity and associated wildfire smoke…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Social Science
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: public survey, public health, public response, questionnaire, online survey

Wildland fire characteristics, such as area burned, number of large fires, burn intensity, and fire season duration, have increased steadily over the past 30 years, resulting in substantial increases in the costs of suppressing fires and managing damages from wildland fire…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Aquatic, Emissions and Smoke, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Hazard and Risk, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: area burned, fire season, fire intensity

Wildfire smoke is typically a mixture of water vapor, gases, fine particles, and trace minerals from burning fuels like trees and vegetation, other organic components, and, sometimes, building materials.
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, PM - particulate matter, PM2.5, PM10, smoke exposure, public health

Background: Asthma-related outcomes are regularly used by studies to investigate the association between human exposure to landscape fire smoke and health. Robust summary effect estimates are required to inform health protection policy for fire smoke exposure. Objective: To…
Person:
Year: 2019
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: meta-analysis, fine particulate matter, asthma, hospitalizations, PM2.5, public health, literature review

In 1998, the Joint Fire Science Program (JFSP) was statutorily authorized as a joint partnership between the U.S. Department of the Interior and the U.S. Department of Agriculture Forest Service. The program provides leadership to the wildland fire science community by…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Intelligence, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: JFSP - Joint Fire Science Program, fire research, fire regimes, firefighter safety, fire science delivery

The guide provides public health officials with the information they need to prepare for smoke events, communicate health risks and take measures to protect public health.  It is also a valuable resource for anyone interested in learning more about what to do when smoke travels…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Fire Effects, Logistics, Monitoring and Inventory, Outreach, Planning, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords:

Peat fires are a global-scale source of carbon emissions and a leading cause of regional air quality deterioration, especially in Southeast Asia. The ignition and spread of peat fires are strongly affected by moisture, which acts as an energy sink. However, moisture effects on…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: wildfires, moisture, biomass, pollution, peat fires, air quality, particle emissions

During the 2017 record-breaking burning season in Canada/United States, intense wild fires raged during the first week of September in the Pacific northwestern region (British Columbia, Alberta, Washington, Oregon, Idaho, Montana and northern California) burning mostly temperate…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: LiDAR - Light Detection and Ranging, time-space monitoring, smoke plume, smoke transport, plume injection height, particle dispersion, particle absorption, depolarization properties, AERONET - Aerosol Robotic Network, AOD - aerosol optical depth

Background: The effects of exposure to fine particulate matter (PM2.5) during wildland fires are not well understood in comparison with PM2.5 exposures from other sources. Objectives: We examined the cardiopulmonary effects of short-term exposure to PM2.5 on smoke days in the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fine particulate matter, PM2.5, PM - particulate matter, public health, cardiopulmonary health effects

Sometime in late June, if all goes to plan, a helicopter will hover above a thickly forested slope in Utah and set it ablaze. The goal is to clear out dead conifer trees to allow quaking aspen (Populus tremuloides) to regain a foothold in this high-altitude national forest. But…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Prescribed Fire
Region(s): Great Basin
Keywords: Utah, Populus tremuloides, quaking aspen, drones

Fire smoke is a major contributor to both particulate matter (PM) and ozone exposure in urban centers. Epidemiological, clinical, and toxicological studies have demonstrated a casual relationship between these pollutants and cardiovascular and respiratory related deaths and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Economics, Emissions and Smoke, Fire Effects, Hazard and Risk, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Australia, human health, health impacts, PM - particulate matter, air quality, literature review

The incidence of large, uncontained wildfires in North America has increased in recent years, significantly impacting both urban and agriculturally-focused areas. The physical damage and health pressures left in the wake of uncontrolled fires has especially devastated farm and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Hazard and Risk
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: respiratory health, wildfires, agricultural health, human health