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Displaying 1161 - 1180 of 5651

In many fire-prone watersheds, wildfire threatens surface drinking water sources with eroded contaminants. We evaluated the potential to mitigate the risk of degraded water quality by limiting fire sizes and contaminant loads with a containment…
Author(s): Benjamin Gannon, Yu Wei, Matthew P. Thompson
Year Published:

Acetylene is a short‐lived trace gas produced during combustion of fossil fuels, biomass, and biofuels. Biomass burning is likely the only major source of acetylene in the preindustrial atmosphere, making ice core acetylene a powerful tool for…
Author(s): Melinda R. Nicewonger, Murat Aydin, Michael J. Prather, Eric S. Saltzman
Year Published:

Large conflagrations of informal settlements occur regularly, leaving thousands of people homeless daily and taking tens of thousands of lives annually. Over the past few years, a large amount of data has been collected from a number of full-scale…
Author(s): Antonio Cicione, Lesley Gibson, Colleen Wade, Michael Spearpoint, Richard Walls, David Rush
Year Published:

Firefighting at the rural urban interface remains one of the most dangerous activities undertaken by fire services internationally. Whilst there is a significant volume of literature and describing methods for fire engineering safety analysis in the…
Author(s): Greg Penney, Daryoush Habibi, Marcus Cattani
Year Published:

As we enter the wildfire season in the northern hemisphere, the potential for a dangerous interaction between SARS-CoV-2 and smoke pollution should be recognized and acknowledged. This is challenging because the public health threat of COVID-19 is…
Author(s): Sarah B. Henderson
Year Published:

Monitoring ecosystem events such as wildfires with remote sensing is fundamental to natural resources management. However, precisely delineating burned areas with remote sensing remains a challenge for post-fire ecological assessment. Burned area…
Author(s): Kudzai Shaun Mpakairi, Shamiso Lynette Kadzunge, Henry Ndaimani
Year Published:

Wildfire is a natural disturbance and ecological process in forested ecosystems across the western United States. However, warmer temperatures, frequent droughts, and legacies of past land management are impacting western forests, leaving them at a…
Author(s): Tzeidle N. Wasserman
Year Published:

When attempting to suppress severe wildfire the possibility for firefighting crews to be overrun by wildfire, known as entrapment and burnover, remains a catastrophic and all too common occurrence. While improvements have been made to vehicle…
Author(s): Greg Penney, Daryoush Habibi, Marcus Cattani
Year Published:

The aim of this paper is to create a user-friendly computational tool for analysis of wildland fire behavior and its effect on urban and other structures. A physics-based multiphase Computational Fluid Dynamics (CFD) model of wildfire initiation and…
Author(s): Vladimir Agranat, Valeriy Perminov
Year Published:

“Coproduction” as a transformative model for fire science application is receiving increasing attention as wildland fire managers face increasingly complex contexts for prescribed fire applications and wildfire suppression (Hiers 2017). Among…
Author(s): J. Morgan Varner, J. Kevin Hiers
Year Published:

As the climate warms, drought will increasingly occur under elevated temperatures, placing forest ecosystems at growing risk of extensive dieback and mortality. In some cases, increases in tree density following early 20th-century fire suppression…
Author(s): Alan J. Tepley, Sharon M. Hood, Christopher R. Keyes, Anna Sala
Year Published:

Previous research on media framing of wildfire has chiefly been concerned with the nature of wildfire in the context of climate change and with framing effects on policy and public opinion. Empirical studies on media content, hence what is mediated…
Author(s): Sofia Nilsson, Ann Enander
Year Published:

Globally, wildfires are increasing in frequency and severity, exposing populations to toxic trace elements stored within forests. Trace element and Pb isotope compositions in aerosols (n = 87) from four major wildfires near Sydney, Australia (1994-…
Author(s): Cynthia F. Isley, Mark Patrick Taylor
Year Published:

Studies of the chemical composition of atmospheric aerosols, rain water and snow in various regions of the globe quite often show the presence of pyridine and a number of its low mass derivatives. Nevertheless, the sources of those compounds in the…
Author(s): Dmitry S. Kosyakov, Nikolay V. Ul'yanovskii, Tomas B. Latkin, Sergey A. Pokryshkin, Valeria R. Berzhonskis, Olga V. Polyakova, Albert T. Lebedev
Year Published:

Firebrands are an important agent of wildfire spread and structure fire ignitions at the wildland urban interface. Bark flake morphology has been highlighted as an important yet poorly characterized factor in firebrand generation, transport,…
Author(s): Scott M. Pokswinski, Michael R. Gallagher, Nick Skowronski, E. Louise Loudermilk, Joseph O’Brien, J. Kevin Hiers
Year Published:

Contingency firelines can be used to back up primary lines to increase probability of fire containment, decrease fire losses, and improve firefighter safety. In this study, we classify firelines into primary, contingency, and response lines. We…
Author(s): Yu Wei, Matthew P. Thompson, Erin J. Belval, Benjamin Gannon, David E. Calkin, Christopher D. O'Connor
Year Published:

Cheatgrass and other invasive annual grasses, such as medusahead and ventenata, are taking over America’s sagebrush rangelands, increasing wildfire size and frequency, reducing forage productivity, and threatening wildlife habitat and rural…
Year Published:

Here, we show that the last century of fire suppression in the western U.S. has resulted in fire intensities that are unique over more than 900 years of record in ponderosa pine forests (Pinus ponderosa). Specifically, we use the heat-sensitive…
Author(s): Christopher I. Roos, T. M. Rittenour, Thomas W. Swetnam, Rachel A. Loehman, Kacy L. Hollenback, Matthew J. Liebmann, Dana Drake Rosenstein
Year Published:

The Smoke and Roadway Safety Guide provides wildland fire personnel the tools and methods to effectively plan and forecast for roadway smoke impacts and to monitor, respond to, and mitigate smoke on roadways to reduce the risk to the public and fire…
Author(s): Gary M. Curcio, David Mueller, Peter Lahm, Mark Fitch, Joshua C. Hyde
Year Published:

Aim: Over the past several decades, wildfires have become larger, more frequent, and/or more severe in many areas. Simultaneously, anthropogenic ignitions are steadily growing. We have little understanding of how increasing anthropogenic ignitions…
Author(s): Megan E. Cattau, Carol A. Wessman, Adam L. Mahood, Jennifer Balch
Year Published: