Type
Topic
Region
Year
Displaying 51 - 75 of 227
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
The present study examines the spatial, seasonal and inter annual variation of biomass burning and its impact on regional aerosol optical properties over Northern India using multi-satellite aerosol observations: Active fire points, AOD (550 nm) and AE (550-860 nm) from MODIS…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): International
Keywords: biomass burning, aerosol optical properties, active fire, MODIS - Moderate Resolution Imaging Spectroradiometer, OMI - Ozone Monitoring Instrument, CALIPSO, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, India
Wildland fire smoke exposure affects a broad proportion of the U.S. population and is increasing due to climate change, settlement patterns and fire seclusion. Significant public health questions surrounding its effects remain, including the impact on cardiovascular disease and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Mapping, Models, Safety
Region(s): California
Keywords: wildland fire, air quality, exposure, PM - particulate matter, geospatial analysis, public health, chemical transport model, atmospheric modeling, epidemiology
The impact of a forest canopy on smoke concentration is assessed by applying a numerical weather prediction model coupled with a Lagrangian particle dispersion model to two low-intensity wildland (prescribed) fires in the New Jersey Pine Barrens. A comparison with observations…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Weather
Region(s): Eastern
Keywords: New Jersey Pine Barrens, smoke dispersion, numerical simulation, wildland fire, forest canopy
Anthropogenic climate change-combined with increased human-caused ignitions-is leading to increased wildfire frequency, carbon dioxide emissions, and refractory black carbon (rBC) aerosol emissions. This is particularly evident in the Amazon rainforest, where fire activity has…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire History, Fire Occurrence
Region(s): International
Keywords: fire management, black carbon, macro-charcoal, Amazon, pre-Columbian, fire activity, fire frequency, sediment core, Brazil
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
Dynamic geospatial complex systems are inherently four‐dimensional (4D) processes and there is a need for spatio‐temporal models that are capable of realistic representation for improved understanding and analysis. Such systems include changes of geological structures, dune…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: smoke propagation, Canada, spatial patterns, British Columbia, Alberta
Wildfires are a growing threat in the United States. At a population level, exposure to ambient wildfire smoke is known to be associated with severe asthma outcomes such as hospitalizations. However, little work has been done on sub‐acute clinical asthma outcomes, especially in…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): Rocky Mountain
Keywords: asthma, Colorado, wildfires, smoke exposure, public health, PM2.5, PM - particulate matter
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
In this study, we report the impacts woodland savanna burning has on the soil trace gas fluxes in seasonally dry woodland savannas in Burkina Faso. We measured nitrous oxide (N2O), nitric oxide (NO), carbon dioxide (CO2) and methane (CH4) fluxes at two ongoing long-term…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: Burkina Faso, fire exclusion, greenhouse gases, soils, woodland savanna, Trace Gas Fluxes
Biomass burning plays a significant role in air pollution and climate change. In this study, we used a method based on fire radiative energy (FRE) to develop a biomass burning emission inventory for China from 2003 to 2017. Daily fire radiative power (FRP) data derived from 1 km…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: China, biomass burning, MODIS - Moderate Resolution Imaging Spectroradiometer, FRE - Fire Radiative Energy
Presented by Xanthe Walker on April 11th, 2019 at the Bonanza Creek LTER Symposium.She discusses some of the research done with Michelle Mack at NAU – regarding C emissions from boreal forest wildfire.
Person: Walker
Year: 2019
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): Alaska
Keywords: carbon emissions, Alaska boreal forest , wildland fire, modeling, carbon balance
In this paper, we describe the international activities that FAO has undertaken with partners over the years and then reflect on the role of international relations in reducing wildfire impacts on ecosystem services. FAO has long had a focus on wildfire management and been one…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Fire Prevention, Hazard and Risk
Region(s): International
Keywords: FAO - Food and Agriculture Organizations of the United Nations, integrated fire management, wildfires, international fire agreements, networks, greenhouse gases, climate change
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
Mediterranean shrublands are water-limited and fire-prone ecosystems. Post-fire seed regeneration occurs under a rainfall regime that is highly variable, with frequent drought periods. It has been shown that smoke can alter germination performance in numerous species, but little…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: karrikins, stress, drought, hydrotime, physical dormancy, soft-coated seeds, Mediterranean shrublands, Spain
Weather radar has demonstrated the ability to monitor wildfires and associated smoke plumes. However, the long-range, S-band operational radar network has severe limitations in providing high-resolution observations in the lower atmosphere due to the earth curvature. This paper…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Monitoring and Inventory, Weather
Region(s): International
Keywords: China, radar
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
The Pacific Northwest 2018 Wildland Fire Season: Summary of key events and issues offers an overview of key lessons and issues from the 2018 fire season. This document gathers key events from sub-regions and from specific fires; synthesizes key data and lessons learned from the…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Economics, Emissions and Smoke, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Safety, Weather
Region(s): Northwest
Keywords: lessons learned, fire ignitions, area burned, fire management, fire size, fire cost, drought, aviation operations, UAV - unmanned aerial vehicles, fuel treatment effectiveness
Biomass burning caused by anthropogenic activity such as agriculture-burning periods (common practice during harvesting, post-harvesting, or preplanting) or naturally occurring forest fires, and domestic biofuel combustion is a frequent phenomenon causing global concern.…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Russia, wildfire event, long-range transport, BBA - biomass burning aerosol, radioactive aerosol, K - potassium, total beta, agricultural burning, Greece, aerosols
Prescribed fire and wildfire in the Western US have long been critical ecological processes used by humans, specifically Native Americans, to manage the plant species, insects, and diseases present in a landscape. However, policies of fire suppression have led to a decrease in…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: PM2.5, PM - particulate matter, fire suppression, literature review
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
A unique event of long-range transport of biomass burning aerosol over Europe is detected by EARLINET and CALIPSO during 18-23 June 2017. The origin of these layers was a series of deadly wildfires that started in Portugal on 17 June 2017. This is the first time that smoke…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Portugal, pyro-Cb, biomass, wildfires, smoke transport, FRP - Fire Radiative Power
Mercury emissions from biomass burning contribute significantly to the atmospheric mercury budget and the interannual variation of mercury concentrations in the troposphere. This study developed a high-resolution (0.1° × 0.1°) monthly inventory of mercury emissions from biomass…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Central America, South America, Africa, Asia, mercury emissions, biomass burning, forest fires, tropical continents, spatiotemporal variation