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Wildland fires are one of the most dangerous natural risks, causing significant economic damage and loss of lives worldwide. Every year, millions of hectares are lost, and experts warn that the frequency and severity of wildfires will increase in the coming years due to climate…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Mapping
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire detection, fire spread, damage severity, wildfires, satellite, deep learning, remote sensing

Smoke from wildfires or burning biomass directly affects air quality and weather through modulating cloud microphysics and radiation. A simple wildfire emission coupling of black carbon (BC) and organic carbon (OC) with microphysics was implemented using the Weather Research and…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Models
Region(s): International
Keywords: pyroconvection, pyroconvective clouds, WRF-Fire, wildfire, wildfire modeling, black carbon, organic carbon, atmospheric moisture, fuel moisture

The present study contributes to an increased understanding of pyro-convection phenomena by using a fire-atmosphere coupled simulation, and investigates in detail the large-scale meteorological conditions affecting Portugal during the occurrence of multiple mega-fires events on…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): International
Keywords: pyro-convection, Portugal, pyroCb, pyrocumulonimbus, PyroCu, pyrocumulus, mega-fires, megafires, MesoNH atmosphere model, ForeFire model

Fire radiative power (FRP) is a basic parameter for fire characterization since it represents the heat emission rate of fires. Moreover, its temporal integration (fire radiative energy, FRE) is used as a proxy for estimating biomass burning and emissions. From satellite, FRP is…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: RST - Robust Satellite Techniques, FRP - Fire Radiative Power, FRE - Fire Radiative Energy, Italy

Background: An extreme drought from 2012-2016 and concurrent bark beetle outbreaks in California, USA resulted in widespread tree mortality. We followed changes in tree mortality, stand structure, and surface and canopy fuels over four years after the peak of mortality in Sierra…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): California
Keywords: Dendroctonus spp., Pinus spp., Ips spp., Scolytus spp., Calocedrus spp., Abies spp., wildfires, epidemic, fuel hazard, tree mortality, drought

The behaviour of wildland fires and the dispersion of smoke from those fires can be strongly influenced by atmospheric turbulent flow. The science to support that assertion has developed and evolved over the past 100+ years, with contributions from laboratory and field…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: atmospheric turbulence, measurements, plumes, smoke dispersion, synthesis, vortices, wildland fires, wildfires

The SCIENCEx webinar series brings together scientists and land management experts from across U.S. Forest Service research stations and beyond to explore the latest science and best practices for addressing large natural resource challenges across the country. These webinars…
Person:
Year: 2023
Type: Media
Source: FRAMES
Topic(s): Aquatic, Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Restoration and Rehabilitation, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords:

The 2nd Alaska Fire Science Consortium (AFSC) Research-to-Operations (R2O) workshop convened May 12-13 at the University of Alaska Murie Building.The 1.5-day workshop was held following NASA ABoVE’s 8th Annual Science Team Meeting as an opportunity for researchers and managers…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory
Region(s): Alaska
Keywords: ABoVE - NASA Arctic-Boreal Vulnerability Experiment, soil moisture, vegetation, remote sensing, vegetation management, WFEIS - Wildland Fire Emissions Information System, combustion

Background: Peatlands are becoming more vulnerable to smouldering fires, driven by climate change and human activities. Aims: This work explores the persistent burning, propagation, and emission of the deep peat fire. Methods: Laboratory experiments are conducted with a 1-m deep…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: burning duration, fire detection, fuel mass loss, peat soils, peatland fires, underground fires, smoldering propagation, laboratory experiments, peat fires

Wildfire frequency has increased in the Western US over recent decades, driven by climate change and a legacy of forest management practices. Consequently, human structures, health, and life are increasingly at risk due to wildfires. Furthermore, wildfire smoke presents a…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models, Monitoring and Inventory, Weather
Region(s): California
Keywords: wildfire, air quality, fire arrival, biomass burning, SFIRE, FINN - Fire Inventory of NCAR, wildfire spread

A warming climate is one of the most important driving forces of intensified wildfires globally. The unprecedented wildfires broke out in the Australian ‘Black Summer’ (November 2019–February 2020), which released massive heat, gases, and particles into the atmosphere. The total…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): International
Keywords: wildfire, climate change, CO2 - carbon dioxide, emission estimates, carbon budget, radiative forcing, Black Summer fires

Wildfires have become larger and more frequent because of climate change, increasing their impact on air pollution. Air quality forecasts and climate models do not currently account for changes in the composition of wildfire emissions during the commonly observed progression…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): California, Northwest
Keywords: air pollution, air quality, satellite data, TROPOMI - TROPOspheric Monitoring Instrument

Background: Smouldering wildfires emit large amounts of carbon, toxic gases and particulate matter (PM), posing health and environmental hazards. It is challenging to conduct field measurements on wildfire emissions, and available instruments are limited by high cost and low…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, health, analysers, PM - particulate matter, peat fires, peatlands, pollution, smoldering, toxic gases, wildfires

An analysis of fire characteristics in the boreal forests of Siberia (50-75° N, 60-140° E) was performed for the period 2002-2022. We found a positive trend in the proportion of high-intensity fires in dominant forest stands of Siberia based on long-term series of variations in…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: fire intensity, Siberia, NBR - Normalized Burn Ratio, wildfires, FRP - Fire Radiative Power, fire severity

[Executive Summary] The Wildland Fire Leadership Council (WFLC) presents this Addendum Update, to spotlight wildland fire critical emphasis areas and challenges that were not identified or addressed in depth in the 2014 National Cohesive Wildland Fire Management Strategy (…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Administration, Aquatic, Aviation, Climate, Communications, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Logistics, Mapping, Models, Monitoring and Inventory, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Unknown, Weather, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: wildfire, wildland fire, National Cohesive Wildland Fire Management Strategy (Cohesive Strategy)

Accurate representation of fire emissions and smoke transport is crucial for current and future wildfire-smoke projections. We present a flexible modeling framework for emissions sourced from the First Street Foundation Wildfire Model (FSF-WFM) to provide a national map for near…
Person:
Year: 2023
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Mapping, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: smoke transport, dispersion, air quality, PM - particulate matter, PM2.5

[no description entered]
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Fire Behavior, Fuels, Mapping, Models
Region(s): Southern
Keywords: air quality, algae, Cladium jamaicense, cover type, droughts, ecosystem dynamics, fire size, Florida, fuel types, grasslands, laboratory fires, leaves, marshlands, moisture, organic matter, organic soils, peat fires, peatlands, pine forests, post fire recovery, prairies, precipitation, scrub, season of fire, size classes, south Florida, statistical analysis, Taxodium, vegetation surveys, water, wetlands, wind

From the text ... 'One area where great strides can be made is in the climatology of fire weather and its application to fire planning. Recent advances have been made in application of climatology to agriculture, and many of the same principles can be applied to forest fire…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Hazard and Risk, Outreach, Planning, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, education, fire control, fire danger rating, firing techniques, forest management, gases, histories, lightning caused fires, pollution, US Forest Service

From the summary ... 'This paper describes a simple model which can be used to investigate the transport of water vapour by thermal plumes in the atmosphere. For an approximate treatment of these plumes, it is assumed (as in a previous paper) that the vertical velocity,…
Person:
Year: 1957
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conservation, gases, heat, humidity, smoke behavior, smoke effects, smoke management, statistical analysis, temperature, water

From the text...'Agricultural and silvicultural burning restrictions, part of the recently adopted Department of Pollution Control open burning rule, become effective October 1, 1971. The section of the rule relating to burning by agriculture and forestry operations reads: 17-5.…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Prescribed Fire, Regulations and Legislation, Safety, Weather
Region(s): Southern
Keywords: agriculture, air quality, burning intervals, fire management, Florida, forest management, grasses, health factors, logging, marshes, pine forests, pollution, roads, rural communities, smoke behavior, smoke management, wildlife, wildlife management, wood

'...With that impressionistic gallop through history as a backdrop, let me touch upon some of the technical material that has come to light as a result of urban fires and the research devoted to their prevention and cure. Perhaps the dominant area of uncertainty and of study…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: coniferous forests, convection, crown fires, fire case histories, fire protection, fire suppression, fire whirls, firebrands, firebreaks, heat, histories, ignition, Illinois, incendiary fires, laboratory fires, light, New York, pine forests, radiation, rate of spread, surface fires, urban habitats, wind

[no description entered]
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Planning, Prescribed Fire, Regulations and Legislation, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, Cascades Range, coniferous forests, elevation, fire hazard reduction, fire intensity, firing techniques, forest management, fuel management, fuel moisture, logging, mountains, Oregon, pine forests, rural communities, season of fire, slash, smoke effects, smoke management, topography, Washington, wind

We report a study of three intense forest fires, all of area about 30 km2, in which convection extended to heights ranging from 2150 m to 4300 m. The observations taken comprise surface-level wind, temperature, and humidity; mean temperature, temperature fluctuations, and…
Person:
Year: 1971
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Weather
Region(s): International
Keywords: jarrah, Australia, entrainment, Eucalyptus spp., turbulence, temperature gradient, wildfire, inflow

This paper examines the factors that lead to the genesis of fire whirlwinds over flat terrain. Also presented is an estimate of the number of days one might expect to encounter meteorological conditions that permit such formations. [This publication is referenced in the "…
Person:
Year: 1971
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Prescribed Fire, Weather
Region(s): Eastern
Keywords: atmospheric stability, burning, fire control, vortex, whirls, fire intensity, fire suppression, fire whirls, firebrands, firebreak, heat effects, humidity, laboratory fires, mineral soil, Minnesota, national forests, Pinus banksiana, Quercus, season of fire, slash, smoke behavior, spot fires, statistical analysis, temperature, topography, vortices, water, weather observations, wildlife refuges, wind, Wisconsin

Prescribed burning produces particulate and gaseous air pollutants in relatively small amounts over the course of an entire year. However, on any given day, the pollutants resulting from prescribed burning may constitute a major fraction of the local or regional air pollution…
Person:
Year: 1971
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, backfires, CO - carbon monoxide, combustion, environmental impact analysis, fire management, fuel loading, fuel moisture, gases, hydrocarbons, particulates, pollution, rate of spread, smoke behavior, smoke management, statistical analysis, wildfires, wind