Type
Topic
Region
Year
Displaying 101 - 125 of 171
In grassy ecosystems of south‐eastern Australia, fire maintains richness of native forbs. It is commonly thought that fire promotes regeneration indirectly by reducing competition for light and providing gaps for recruitment, rather than directly stimulating germination. However…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: Australia, inducible effects, inherent effects, physiological dormancy, warm stratification, germination, fire cues
The North American Wildland Fuels Database (NAWFD) data access application was developed to enable best practices for modeling national- and regional-scale fire emissions by incorporating uncertainty into fuels estimates. NAWFD aggregates fuel loading information from 26,620…
Person:
Year: 2019
Type: Website
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Intelligence, Mapping, Models
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: database, fuel loading, fuel strata, live fuels, CWD - coarse woody debris, fine woody debris, forest floor fuels, EVT - existing vegetation type
Presented by: Mark Smith, Alaska Department of Environmental Conservation
PowerPoint presentation from the 2019 Alaska Wildland Fire Coordinating Group Interagency Fall Fire Review and Alaska Fire Science Consortium Fall Fire Science Workshop
Topics include comparison of air…
Person: Smith
Year: 2019
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory
Region(s): Alaska
Keywords: air quality, monitoring, Smoke and Health
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
Presented by: Carly Phillips and Molly Elder, Woods Hole Research Center and Tufts University, Union of Concerned Scientists
PowerPoint presentation from the 2019 Alaska Wildland Fire Coordinating Group Interagency Fall Fire Review and Alaska Fire Science Consortium Fall Fire…
Person: Phillips
Year: 2019
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): Alaska
Keywords: climate change, carbon and forestry, carbon management
Volatile organic compounds (VOCs) are emitted from many sources, including wildland fire. VOCs have received heightened emphasis due to such gases' influential role in the atmosphere, as well as possible health effects. We have used extractive infrared (IR) spectroscopy on…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Southern
Keywords: VOC - volatile organic compounds, pyrolysis, infrared spectroscopy, longleaf pine, Pinus palustris, napthalene, methyl nitrate, allene, acrolein, acetaldehyde
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
Our project examines the association between percent African American and smoke pollution in the form of prescribed burn-sourced, fine particulate matter (PM2.5) in the U.S. state of Georgia for 2018. (1) Background: African Americans constitute 32.4% of Georgia’s population,…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire, Safety, Social Science
Region(s): Southern
Keywords: African American, smoke exposure, air quality, public health, environmental justice, social vulnerability, Georgia
Background: Substantial increases in wildfire activity have been recorded in recent decades. Wildfires influence the chemical composition and concentration of particulate matter ≤2.5 μm in aerodynamic diameter (PM2.5). However, relatively few epidemiologic studies focus on the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Rocky Mountain
Keywords: PM - particulate matter, Colorado, wildfires, air quality, epidemiology, climate change, respiratory, cardiovascular, PM2.5
Exposure to wildfire smoke is a public health issue of increasing prominence in North America, particularly in western states and provinces. In this study, Aethalometer data collected at six sites in the Lower Fraser Valley (LFV), British Columbia, from September 2016 through…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Canada, British Columbia, wildfires, air quality, black carbon, PM2.5, PM - particulate matter, AAE - absorption angström exponent, aerosol
Biomass burning (BB) emits enormous amounts of aerosol particles and gases into the atmosphere and thereby significantly influences regional air quality and global climate. A dominant particle type from BB is spherical organic aerosol particles commonly referred to as tarballs.…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Japan, climate change, biomass burning, tar balls, organic aerosols, electron microscopy
Fire cues trigger germination and stimulate seedling growth of grass species from Brazilian savannas
Premise: Although fire cues (high temperatures and smoke) influence seed germination in numerous species from fire‐prone environments, their effects on seed germination of species from neotropical savannas are poorly understood. Methods: We exposed seeds of eight grass species…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: Brazil, Campo Sujo, environmental cues, grasses, heat stimulated germination, karrikinolide, physiological dormancy, Poaceae spp., post-fire environment, seed dormancy, seedling recruitment
Climate change may increase the occurrence and severity of forest fires, leading to worsening wildfire seasons. More frequent burn events would have various effects due to increased haze and smoke, including a greater incidence of impacts on human health and reduced or impaired…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Social Science
Region(s): International
Keywords: British Columbia, Canada, nonmarket valuation, health, air quality, latent class model, heterogeneity, climate change, fire severity, WTP - willingness to pay
One of the most important topics today is the issue of wildfires and smoke in our Valley. Chris Chambers, The Wildlife Division Chief and Merv George the Forest supervisor on the rogue River Siskiyou National Forest are the perfect pair to speak to this issue Chris grew up in…
Person: George, Chambers
Year: 2019
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Fire Prevention, Prescribed Fire
Region(s): Northwest
Keywords: Oregon, fire use, fire severity, fire management
Early forest fire detection can effectively be achieved by systems of specialised tower-mounted cameras. With the aim of maximising system visibility of smoke above a prescribed region, the process of selecting multiple tower sites from a large number of potential site locations…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Planning
Region(s): International
Keywords: facility location, maximal cover, NSGA-II, fire detection, South Africa, Africa, optimization
Alaska has recently experienced profound environmental change related to extreme weather events and deviations from the historical climate. Sustained warmth, sea ice loss, coastal flooding, river flooding, and major ecosystem changes have impacted the daily lives of Alaskans…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): Alaska
Keywords: fire season, fire management, temperature
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
In mid-August through mid-September of 2017 a major wildfire smoke and haze episode strongly impacted most of the NW US and SW Canada. During this period our ground-based site in Missoula, Montana, experienced heavy smoke impacts for ∼ 500 h (up to 471 µg m−3 hourly average PM2.…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Monitoring and Inventory
Region(s): Northern Rockies
Keywords: PM - particulate matter, trace gases, aerosol optical properties, Montana, black carbon, 2017 fire season, CO - carbon monoxide
A short, but severe, wildfire smoke episode in July 2015, with an aerosol optical depth (AOD) approaching 9, is shown to strongly impact radiation budgets across four distinct land-use types (forest, field, urban and wetland). At three of the sites, impacts on the energy balance…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: fire intensity, British Columbia, Canada, radiation, energy flux, carbon flux, heat flux, wetlands, AOD - aerosol optical depth, carbon budget
In this study we identify pyrolysis gases from prescribed burns conducted in pine forests with a shrub understory captured using a manual extraction device. The device selectively sampled emissions ahead of the flame front, minimizing the collection of oxidized gases, with the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): Southern
Keywords: pyrolysis, pine forests, understory shrubs, emission ratio, CO - carbon monoxide, CO2 - carbon dioxide, MCE - modified combustion efficiency, hydrocarbons
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:
Prescribed burning is an essential tool for forest and rangeland management that requires specific weather conditions to enable the efficient and safe application of fire. Prescribed burning is often limited by the ability to find suitable burn-days that fit within the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Planning, Prescribed Fire, Weather
Region(s): Southern
Keywords: mixing height, transport, winds, ventilation, wildland fire management, burn window
There is an urgent need for next-generation smoke research and forecasting (SRF) systems to meet the challenges of the growing air quality, health and safety concerns associated with wildland fire emissions. This review paper presents simulations and experiments of hypothetical…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: burn plans, measurement design, CMAQ - Community Multiscale Air Quality Modeling System, DAYSMOKE, FIRETEC, WFDS - Wildland-Urban Interface Fire Dynamics Simulator, WRF-SFIRE-CHEM, FASMEE - Fire and Smoke Model Evaluation Experiment
Intense forest fires in western North America during August, 2017, caused smoke plumes that reached the stratosphere. While this phenomenon has often been observed, this particular event caused increases in stratospheric aerosol extinction at higher altitudes with greater…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: aerosol, wildfires, stratosphere, satellite limb, OSIRIS, Canada