Type
Topic
Region
Year
Displaying 201 - 224 of 224
Wildfires are an important component of the terrestrial carbon cycle and one of the main pathways for movement of carbon from the land surface to the atmosphere. Fires have received much attention in recent years as potential catalysts for shifting landscapes from carbon sinks…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, C - carbon, ecosystem dynamics, fire management, forest management, C - carbon, forest ecology, management, resilience
Increasing wildfire activity in recent decades, partially related to extended droughts, along with concern over potential impacts of future climate change on fire activity has resulted in increased attention on fire-climate interactions. Findings from studies published in recent…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, C - carbon, fire management, smoke management, wildfire, emission, radiative forcing, feedback to climate, future fire projection
Emissions from wildland fire are both highly variable and highly uncertain over a wide range of temporal and spatial scales. Wildland fire emissions change considerably due to fluctuations from year to year with overall fire season severity, from season to season as different…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, C - carbon, greenhouse gases, fire management, smoke management, emissions inventories, greenhouse gases
This paper provides an overview and summary of the current state of knowledge regarding critical atmospheric processes that affect the distribution and concentrations of greenhouse gases and aerosols emitted from wildland fires or produced through subsequent chemical reactions…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfires, air quality, C - carbon, fire management, smoke management, wildland fire, plume rise, atmospheric transport, atmospheric chemistry
Biomass burning is a major source of greenhouse gases, aerosols, black carbon, and atmospheric pollutants that affects regional and global climate and air quality. The spatial and temporal extent of fires and the size of burned areas are critical parameters in the estimation of…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Intelligence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass burning, fire size, wildfires, air quality, C - carbon, remote sensing, fire management, forest management, biomass burning, burned area, MODIS - Moderate Resolution Imaging Spectroradiometer, MTBS - Monitoring Trends in Burn Severity
Feedbacks between land carbon pools and climate provide one of the largest sources of uncertainty in our predictions of global climate. Estimates of the sensitivity of the terrestrial carbon budget to climate anomalies in the tropics and the identification of the mechanisms…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: wildfires, air quality, biomass, C - carbon, carbon dioxide, CO - carbon monoxide, droughts, statistical analysis, Amazon, Brazil, South America, fire management, forest management, rainforests, tropical forests
Smoke aerosol emitted by large scale wildfires in the European part of Russia and Ukraine, was transported to Athens, Greece during August 2010 and detected at an urban background site. Measurements were conducted for physico-chemical characterization of the aged aerosol and…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): International
Keywords: biomass burning, wildfires, aerosols, air quality, albedo, C - carbon, particulates, Greece, Russia, Ukraine, Europe, fire management, smoke management, wildfires event, long-range transport, aged biomass burning aerosol, chemical speciation, individual particle analysis, optical properties
From the text ... 'Atmospheric profiling using aircraft is a crucial tool in our understanding of Amazon carbon fluxes, and has the potential -- if a pan-tropical network of aircraft observations can be established -- to determine how tropical forests worldwide are responding to…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: wildfires, air quality, C - carbon, carbon dioxide, CO - carbon monoxide, droughts, deforestation, moisture, photosynthesis, Amazon, Brazil, southern Australia, fire management, forest management, tropical regions
The current research study aims at investigating the atmospheric implications of a major fire event in the Mediterranean area. For this purpose, a regional aerosol model coupled online with meteorology (COSMO-ART) is applied over Greece during late summer 2007. Fire risk model…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Hazard and Risk, Intelligence, Models, Weather
Region(s): International
Keywords: wildfires, aerosols, air quality, C - carbon, remote sensing, Greece, Europe, fire management, forest management, wildfires, fire weather indices, organic carbon, elemental carbon, aerosol radiative forcing, Greece
Extreme climatic events and land-use change are known to influence strongly the current carbon cycle of Amazonia, and have the potential to cause significant global climate impacts. This review intends to evaluate the effects of both climate and anthropogenic perturbations on…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence
Region(s): International
Keywords: wildfires, C - carbon, deforestation, droughts, fragmentation, logging, Amazon, Brazil, South America, fire management, forest management, land use, second growth forests, carbon emissions, recovery, drought, secondary forests, deforestation
We analysed the variability of equivalent black carbon (BC) and ozone (O3) at the global WMO/GAW station Nepal Climate Observatory-Pyramid (NCO-P, 5079 m a.s.l.) in the southern Himalayas, for evaluating the possible contribution of open vegetation fires to the variability of…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Intelligence
Region(s): International
Keywords: biomass burning, season of fire, wildfires, air quality, C - carbon, ozone, pollution, remote sensing, India, Nepal, Asia, fire management, smoke management, black carbon, ozone, Himalayas, biomass burning, pollution
Reducing Emissions from Deforestation and Forest Degradation (REDD+) has become a central dimension of the contemporary international forest regime. The mechanism seeks to reward actors for keeping or restoring forests as a means to reduce carbon emissions. Carbon rights, here…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Regulations and Legislation
Region(s): International
Keywords: air quality, C - carbon, conservation easements, deforestation, fire management, smoke management, carbon rights, conservation easements, REDD+, payments for environmental services
Quantifying the impacts of changing climatic conditions on forest growth is integral to estimating future forest carbon balance. We used a growth-and-yield model, modified for climate sensitivity, to quantify the effects of altered climate on mixed-conifer forest growth in the…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Fuels, Hazard and Risk, Models
Region(s): California
Keywords: fire hazard reduction, fire intensity, fuel models, wildfires, C - carbon, climate change, plant growth, thinning, Sierra Nevada, fire management, forest management, coniferous forests, climate change, growth-and-yield, mitigation, thinning, wildfire, adaptation
While the vast majority of carbon emitted by wildland fires is released as CO2, CO, and CH4, wildland fire smoke is nonetheless a rich and complex mixture of gases and aerosols. Primary emissions include significant amounts of CH4 and aerosol (organic aerosol and black carbon),…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: biomass burning, wildfires, aerosols, air quality, C - carbon, carbon dioxide, greenhouse gases, N - nitrogen, fire management, smoke management, biomass burning, greenhouse gases, emission factors
Biomass burning emissions from intensive wildfires in eastern Europe were observed in Finland in the spring of 2006 and in the late of summers 2006 and 2010. The smoke plumes were detected at three ground-measurement stations around Finland and in the lower troposphere after…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Intelligence
Region(s): International
Keywords: biomass burning, smoke effects, wildfires, aerosols, air quality, albedo, C - carbon, carbon dioxide, N - nitrogen, ozone, particulates, remote sensing, Finland, Europe, fire management, smoke management
In many countries, prescribed or planned burning is increasingly used as a management strategy to reduce the risk and negative effects of wildfires. As a by-product of this practice, ash, charcoal and partially charred material (referred to here as pyrogenic carbon, PC) is…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): International
Keywords: wildfires, ash, C - carbon, char, charcoal, N - nitrogen, particulates, soil organic matter, New South Wales, Australia, fire management, forest management, sclerophyll forests, N - nitrogen, priming effect, soil organic content, wildfire, particle size, SOC - soil organic carbon
The sources and oxidation pathways of atmospheric nitric acid (HNO3) can be evaluated using the isotopic signatures of oxygen (O) and nitrogen (N). This study evaluated the ability of Nylasorb nylon filters to passively collect unbiased isotopologues of atmospheric HNO3 under…
Person:
Year: 2014
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Occurrence
Region(s): California
Keywords: lightning caused fires, wildfires, air quality, N - nitrogen, O - oxygen, pollution, southern California, fire management, Nylasorb nylon filter, atmospheric deposition, passive sampler, nitric acid, d15N, d18O, lightning
2014 is an EPA National Emission Inventory (NEI) Year. The NEI is a national inventory of air pollutants, emitted from all sources. EPA compiles a NEI every three years from information submitted by State/Local/Tribal (SLT) agencies. Prescribed fire, wildfire and crop residue…
Person:
Year: 2014
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CO - carbon monoxide, VOC - volatile organic compounds, N - nitrogen, nitrogen oxides, PM2.5, PM10, hazardous air pollutants, air quality, air pollution, NEI - National Emissions Inventory
A series of wildfires in northern Quebec, early July 2002, and in southern Quebec, late May 2010, resulted in severe air pollution downwind. Downwind exposures were investigated to estimate the impact on outdoor and indoor environments. The plumes derived from the wildfires…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Occurrence
Region(s): Eastern, International
Keywords: wildfires, ozone, PM2.5, indoor air quality, downwind effect, exposure, Canada, Quebec, plumes, fire case histories, air quality, C - carbon, chlorine, particulates, pollution, K - potassium, wind, fire management, forest management, smoke management
In Southeast Asia, a huge amount of peat has accumulated under swamp forests over millennia. Fires have been widely used for land clearing after timber extraction, thus land conversion and land management with logging and drainage are strongly associated with fire activity.…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: carbon balance, peat fires, soil temperature, Asia, groundwater, heterotrophic respiration, oxidation, ecosystem respiration, peat swamp forest, wildfires, C - carbon, carbon dioxide, decomposition, drainage, ENSO - El Nino Southern Oscillation, logging, Indonesia, Asia, fire management, land management, peatlands, tropical regions, watersheds
Marine Corps Base Camp Lejeune (MCBCL) near Jacksonville, NC served as platform for field experiments that allow linking fuel condition and consumption with emissions of gaseous and fine particulate (PM2.5) pollutants from prescribed burning (PB). The link between fuel…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Prescribed Fire
Region(s): Southern
Keywords: air quality, fuel treatments, North Carolina, thinning, fuel consumption, combustion products, fire dependent species, fire hazard reduction, fuel moisture, C - carbon, military lands, particulates, Picoides borealis, red-cockaded woodpeckers, Pinus palustris, longleaf pine, Pinus taeda, loblolly pine, forest management, smoke management, coastal plain, pine forests, savannas, SFP - Southern Fire Portal
Following forest harvest, residues left on site are often piled and burned. Quantification of residue piles is required in many jurisdictions to estimate billable waste, harvest efficiency, smoke emissions, C budgets, and available bioenergy biomass. Piled residues and harvested…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels
Region(s): International
Keywords: Canada, LiDAR - Light Detection and Ranging, remote sensing, British Columbia, carbon emissions, forest residue, pile burn, bioenergy, woody fuels, air quality, biomass, C - carbon, GIS - geographic information system, litter, population density, Pseudotsuga menziesii, Douglas-fir, fire management, forest management, fuel management, smoke management, second growth forests
Forest fires are an important disturbance in the boreal forest. They are influenced by climate, weather, topography, vegetation, surface deposits and human activities. In return, forest fires affect the climate through emission of gases and aerosols, and changes in surface…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Effects, Models
Region(s): Alaska, International
Keywords: boreal forest, C - carbon, fire regimes, climate change, global warming, fire intensity, wildfires, aerosols, air quality, albedo, disturbance, GIS - geographic information system, succession, fire management, forest management
The diverse forest types of the southwestern US are inseparable from fire. Across climate zones in California, Nevada, Arizona, and New Mexico, fire suppression has left many forest types out of sync with their historic fire regimes. As a result, high fuel loads place them at…
Person:
Year: 2014
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Fire Effects, Fire History
Region(s): California, Great Basin, Southwest
Keywords: biodiversity, C - carbon, adaptation, mitigation, crown scorch, fire exclusion, fire regimes, fire suppression, flammability, fuel loading, surface fires, wildfires, climate change, ENSO - El Nino Southern Oscillation, thinning, Abies concolor, white fir, Engelmann spruce, Picea engelmannii, Pinus edulis, pinyon pine, Pinus ponderosa, ponderosa pine, Pinus strobiformis, southwestern white pine, Populus tremuloides, quaking aspen, Pseudotsuga menziesii, Douglas-fir, Quercus gambelii, Gambel oak, ecosystem dynamics, fire management, forest management, coniferous forests