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Ecosystem

Displaying 1721 - 1740 of 6037 results

Firebrands are a leading cause of ignitionat the wildland urban interface and a driver of rapid fire spread during wildfires. Current studies which seek to evaluate this risk are limited by a paucity of data relating to the firebrand dynamics from…
Author(s): Rory Hadden
Year Published:

Large and severe wildfires are an observable consequence of an increasingly arid American West. There is increasing consensus that human communities, land managers, and fire managers need to adapt and learn to live with wildfires. However, a myriad…
Author(s): Christopher J. Dunn, Christopher D. O'Connor, Jesse Abrams, Matthew P. Thompson, David E. Calkin, James D. Johnstone, Richard D. Stratton, Julie W. Gilbertson-Day
Year Published:

Quantifying fireline effectiveness (FLE) is essential to evaluate the efficiency of large wildfire management strategies to foster institutional learning and improvement in fire management organizations. FLE performance metrics for incident-level…
Author(s): Benjamin Gannon, Matthew P. Thompson, Kira Z. Deming, Jude Bayham, Yu Wei, Christopher D. O'Connor
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:

The prediction of wildfire rate of spread and growth under high wind speeds and dry fuel moisture conditions is key to taking proactive actions to warn and in turn protect communities. We used two datasets of wildfires spreading under critical fire…
Author(s): Miguel G. Cruz, Martin E. Alexander, Paulo M. Fernandes, Musa Kilinc, Ângelo Sil
Year Published:

It is sometimes assumed the sparse and low statured vegetation in arid systems would limit the effectiveness of two remote-sensing derived indices of burn severity: the difference Normalised Burn Ratio (dNBR) and relativised difference Normalised…
Author(s): Robert C. Klinger, Randy McKinley, Matthew L. Brooks
Year Published:

Wildfire presents a growing threat across the American West. We conducted an online choice experiment in Western Colorado to assess how social interactions affect wildfire mitigation decisions through two distinct pathways: risk interdependency (…
Author(s): Katherine L. Dickinson, Hannah Brenkert-Smith, Greg Madonia, Nicholas Flores
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:

Many studies have defined the interrelationships between climate, forest disturbance, and runoff at small scales (<100 km2), but few have translated these relationships to large watersheds (>500 km2). In this study, we explore the relationship…
Author(s): Margot E. Vore, Stephen J. Déry, Yiping Hou, Xiaohua Wei
Year Published:

Since the 1960s, canopy photography has been widely used in forestry. Hemispherical photography has been the most widely used technique, but a great drawback of this method is its perceived sensitivity to hemispherical image acquisition and…
Author(s): Francesco Chianucci
Year Published:

In this study, we use simulations from seven global vegetation models to provide the first multi‐model estimate of fire impacts on global tree cover and the carbon cycle under current climate and anthropogenic land use conditions, averaged for the…
Author(s): Gitta Lasslop, Stijn Hantson, Sandy P. Harrison, Dominique Bachelet, Chantelle Burton, Matthias Forkel, Matthew Forrest, Fang Li, Joe R. Melton, Chao Yue, Sally Archibald, Simon Scheiter, Almut Arneth, Thomas Hickler, Stephen Sitch
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:

Wildland fires have a multitude of ecological effects in forests, woodlands, and savannas across the globe. A major focus of past research has been on tree mortality from fire, as trees provide a vast range of biological services. We assembled a…
Author(s): C. Alina Cansler, Sharon M. Hood, Phillip J. van Mantgem, J. Morgan Varner
Year Published:

Fire-stimulated flowering and fire-stimulated resprouting are associated traits common in plants that evolved in fire-prone habitats, e.g., Vellozia pyrantha, an iconic plant that has economic potential and is endemic to a fully protected area. By…
Author(s): Bárbara Paula dos Santos Borges, Andressa Priscila Piancó Santos Lima, Alone Lima-Brito, José Raniere Ferreira de Santana, Abel Augusto Conceição
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:

Australian fire services provide two broad types of warning to people in bushfire (or wildfire) risk areas. Fire Danger Ratings communicate the possible consequences of a bushfire due to its rate of spread, intensity and difficulty of suppression.…
Author(s): Joshua Whittaker, Mel Taylor, Christopher Bearman
Year Published:

This research note seeks to draw attention to the potential impact of social media climate change debates on the Australian tourism industry during and after the devastating 2019-2020 Australian bushfires. Whilst acknowledging the tremendous role of…
Author(s): Stephen Schweinsberg, Simon Darcy, David Beirman
Year Published:

Pacific salmon spawning and rearing habitats result from dynamic interactions among geomorphic processes, natural disturbances, and hydro‐climatological factors acting across a range of spatial and temporal scales. We used a 21‐year record of redd…
Author(s): Gregory R. Jacobs, Russell F. Thurow, John M. Buffington, Daniel J. Isaak, Seth J. Wenger
Year Published:

With climate-driven increases in wildfires in the western U.S., it is imperative to understand how the risk to homes is also changing nationwide. Here, we quantify the number of homes threatened, suppression costs, and ignition sources for 1.6…
Author(s): Nathan Mietkiewicz, Jennifer Balch, Tania L. Schoennagel, Stefan Leyk, Lise A. St. Denis, Bethany A. Bradley
Year Published:

Particulate matter with aerodynamic diameter < 2.5 μm (PM2.5) is one of the main pollutants generated in wildfire events with negative impacts on human health. In research involving wildfires and air quality, it is common to use emission models.…
Author(s): Joseph Sánchez-Balseca, Agustí Pérez-Foguet
Year Published: