Skip to main content

Displaying 1 - 25 of 74

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

One of the effects of climate change on boreal forest will be more frequent forest wildfires and permafrost thawing. These will increase the availability of soil organic matter (SOM) for microorganisms, change the ground vegetation composition and ultimately affect the emissions…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects
Region(s): International
Keywords: BVOC - Biogenic Volatile Organic Compounds, forest floor, wildfires, forest succession, ground vegetation, vegetation change, permafrost, soils, Siberia

Fire is one of the major forest disturbances in northeast China. In this study, simulations of the burned area in northeast China from 1997 to 2015 were conducted with the Lund-Potsdam-Jena wetland hydrology and methane (LPJ-WHyMe) model. The fire modeling ability in northeast…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: parameter optimization, LPJ-WHyMe, simulation uncertainty, China, GFED - Global Fire Emissions Database, burned area

Understanding of the characteristics of water-soluble inorganic ions (WSI) in fine particulate matter (PM2.5) emitted during forest fires has paramount importance due to their potential effect on ecosystem acidification. Thus, we investigated the emission factors (EFs) of ten…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: acid rain, aerosol, biomass burning, forest fire, PM2.5, PM - particulate matter, China

Aims: Savannahs depend on fire for their persistence. Fire influences regeneration from seeds in several ways: it converts the environment into a more open space which can benefit the establishment of seedlings, and fire itself can also enhance germination by chemical and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: China, smoke water, biomass, burning, mean germination time, Dodonaea viscosa, Calotropis gigantea, seed mass, water content, dark germination

Indonesia contains large areas of peatland that have been drained and cleared of natural vegetation, making them susceptible to burning. Peat fires emit considerable amounts of carbon dioxide, particulate matter (PM) and other trace gases, contributing to climate change and…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: peat fires, Indonesia, PM - particulate matter, PM2.5, FINN - Fire Inventory of NCAR, FINNv1, CO2 - carbon dioxide, GFED - Global Fire Emissions Database

Deforestation from timber harvests and farmland conversions have led to 565 GtCO2 (billion tons of carbon dioxide) being emitted into the atmosphere. Taking into account natural regeneration on forestland, Houghton (2003, 2008) and Houghton et al. (2012) estimate that…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Economics, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: climate change, land use change, forest carbon, carbon emissions, deforestation, fire management

Globally, wildfires are considered the most commonly occurring disasters, resulting from natural and anthropogenic ignition sources. Wildfires consist of burning standing biomass at erratic degrees of intensity, severity, and frequency. Consequently, wildfires generate large…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): International
Keywords: Africa, burned area, wildfires, biomass burning, MODIS - Moderate Resolution Imaging Spectroradiometer, CALIPSO, fire management, air quality

Biomass mapping is used in variety of applications including carbon assessments, emission inventories, and wildland fire and fuel planning. Single values are often applied to individual pixels to represent biomass of classified vegetation, but each biomass estimate has…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Mapping, Models, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: C - carbon, biomass, remote sensing, uncertainty, wildland fuel, Canada, fire management

Australian building standard AS 3959 provides mandatory requirements for the construction of buildings in bushfire prone areas in order to improve the resilience of the building to radiant heat, flame contact, burning embers, and a combination of these three bushfire attack…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Hazard and Risk, Models, Safety, Wildland-Urban Interface (WUI)
Region(s): International
Keywords: bushfire, wildland fire, wildfire, forest fire, fire spread, physics-based models, building codes

Wildfires in the boreal forests and peatlands of the ABoVE domain are a natural disturbance agent, but are increasing in frequency and severity. Boreal forest fires impart relatively large forcings on the climate system as a result of (i) typically high severity fires that emit…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, International
Keywords: climate forcing, albedo, Canada, boreal forest fires, forest fire carbon emission, C - carbon, carbon emissions, ABoVE - NASA Arctic-Boreal Vulnerability Experiment, burned area, remote sensing, climate change

Our study aimed to integrate remote sensing, spatial analysis, and field data to understand the vulnerability and resiliency of peatlands and uplands to wildfire across the southern Northwest Territories study area where peatlands are abundant, including these objectives: • Map…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, International
Keywords: burn severity, fire severity, successional trajectory, ABoVE - NASA Arctic-Boreal Vulnerability Experiment, Canada, carbon emissions, C - carbon, peatlands, remote sensing, post-fire succession, boreal region

We have estimated the radiative impact produced by an unusually extreme dust and wildfire episode on the performance of a photovoltaic (PV) plant. The dust and wildfire events were mostly active on 26–28 and 29–30 June 2012, respectively. We took advantage of the consecutiveness…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Spain, aerosol, dust, wildfires, radiative impact, photovoltaic energy

Land occupation and management systems have defined fire regimes and landscapes for millennia. The savanna biome is responsible for 86% of all fire events, contributes to 10% of the total carbon emissions annually and is home to 10% of the human population. European colonization…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire History, Prescribed Fire
Region(s): International
Keywords: cerrado, fire regime, Australia, Africa, Brazil, fire suppression, integrated fire management, TEK - traditional ecological knowledge, savanna burning, woody encroachment

Landscape fire is a key but poorly understood component of the global carbon cycle. Predicting biomass consumption by fire at large spatial scales is essential to understanding carbon dynamics and hence how fire management can reduce greenhouse gas emissions and increase…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels
Region(s): International
Keywords: Australia, C - carbon, fire frequency, fire regimes, fire severity, net primary productivity, tropical savannas, wildfires, biomass consumption, carbon budgets

Firefighters can suffer serious health problems and experience cardiac disorders derived from high pollutants inhalation. During experimental field burns, environmental and heart rate data from firefighters were collected and it was possible to observe that changes in heart rate…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Prevention, Safety
Region(s): International
Keywords: Portugal, heart rate, change detection, pollutants, inhalation exposure, firefighter health, decision support, firefighting

In January 2017, hundreds of fires in Mediterranean Chile burnt more than 5000 km2, an area nearly 14 times the 40-year mean. We contextualize these fires in terms of estimates of global fire intensity using MODIS satellite record, and provide an overview of the climatic factors…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Weather
Region(s): International
Keywords: land cover change, forest plantations, MODIS - Moderate Resolution Imaging Spectroradiometer, Mediterranean climate, Chile, smoke pollution, wildfires, fire activity

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

"The Basics of Satellite Data for Smoke and Fire" is presented in two parts for a total of about 16 minutes. These videos introduce concepts such as the distinction between polar-orbiting and polar-stationary satellites, descriptions of satellite instrumentation to collect smoke…
Person:
Year: 2019
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Occurrence, Mapping, Models
Region(s): International
Keywords: satellite data, HAQAST - Health and Air Quality Applied Science Team, smoke forecasting, satellite imagery

As a major source of fine particles, open biomass burning can affect climate and the hydrological cycle via the formation of cloud condensation nuclei (CCN) and their deposition. This study investigated the effect of aerosol size and chemical composition (water-soluble compounds…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: China, open biomass burning, PM - particulate matter, air pollution, CCN - cloud condensation nuclei

This study shows a simplified approach for calculating emissions associated with forest fires in Mexico, based on different satellite observation products: the biomass, burnt area, emission factors, and burning efficiency. Biomass loads were based on a Mexican biomass map,…
Person:
Year: 2019
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Models, Weather
Region(s): International
Keywords: gas emissions, remote sensing, machine learning, Mexico, satellite observations, topography

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

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

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

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