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Displaying 41 - 60 of 5651

In this work, a series of laboratory surface fire experiments were performed over a pine needle fuel bed to investigate the effectiveness of a firebreak and the behaviors of a surface fire across a firebreak. Seven wind velocities of 0~3.0 m/s and…
Author(s): Hanwen Guo, Zhengyuan Yang, Ziqun Ye, Dong Xiang, Yunji Gao, Yuchun Zhang
Year Published:

Background: Wildland firefighters have physically and psychologically demanding jobs that can result in social, economic and health-related stress. Previous studies have examined the physiological and physical effects of a career in wildland fire,…
Author(s): Rachel M. Granberg, Ting Shen, Seth W. Pearson, Robin M. Verble
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In wildland–urban interface areas, firefighters balance wildfire suppression and structure protection. These tasks are often performed under resource limitations, especially when many structures are at risk. To address this problem, wildland…
Author(s): Alexander Joseph Heeren, Philip E. Dennison, Michael J. Campbell, Matthew P. Thompson
Year Published:

Standing dead tree stems (snags) become abundant following disturbances like bark beetle outbreaks and stand-replacing fire. Snags are an important element of wildlife habitat, and when they eventually fall can injure or damage people and…
Author(s): Nathan G. Kiel, William H. Romme, Monica G. Turner
Year Published:

Smouldering and flaming of solid fuels both originate after the pyrolysis reaction, and fires often transition between the two types of combustion. Smouldering-to-flaming (StF) transition introduces a sudden increase of the fire hazard in terms of…
Author(s): Muhammad A. Santoso, Eirik G. Christensen, Guillermo Rein
Year Published:

Many nations administer national forest inventory programs for unbiased estimation of forest attributes over broad spatial and temporal extents. However, management and conservation decisions often demand reliable estimates for finer spatiotemporal…
Author(s): David L.R. Affleck, George C. Gaines III
Year Published:

The use of masticated tree debris to protect burned soil from post-fire erosion is not common and very little is known about its effectiveness in reducing the risk of erosion after fire. The main objective of this research was to assess the effects…
Author(s): Cristina Fernández
Year Published:

Background Sagebrush shrublands in the Great Basin, USA, are experiencing widespread increases in wildfire size and area burned resulting in new policies and funding to implement fuel treatments. However, we lack the spatial data needed to optimize…
Author(s): Jeanne C. Chambers, Jessi L. Brown, Matthew C. Reeves, Eva K. Strand, Lisa M. Ellsworth, Claire Tortorelli, Alexandra K. Urza, Karen C. Short
Year Published:

Predicting current and future wildfire frequency and size is central to wildfire control and management. Multiple fire danger indices (FDIs) that incorporate weather and fuel conditions have been developed and utilized to support wildfire…
Author(s): Guo Yu, Yan Feng, Jiali Wang, Daniel B. Wright
Year Published:

Mulch application following wildfire is increasingly being used to mitigate hillslope runoff and erosion. A mulch coverage of 70% has been proven to be effective in reducing sediment losses; however, most previous studies test only a single slope…
Author(s): Lindsey A. Hayter, Peter A. Nelson
Year Published:

Background With the increase in forest fire emissions, an increasing amount of nitrogen is released from combustibles and taken up by plant leaves in the form of PM2.5 smoke deposition. Concurrently, the stress from PM2.5 also disrupts the…
Author(s): Haichuan Lin, Yuanfan Ma, Pingxin Zhao, Ziyan Huang, Xiaoyu Zhan, Mulualem Tigabu, Futao Guo
Year Published:

There is a dire need to improve our prediction capabilities of wildland fire behavior in a range of conditions from marginal burning to the most extreme. In order to develop a more physically-based operational wildland fire behavior model, we need…
Author(s): Sara S. McAllister, Torben Grumstrup
Year Published:

The use of unmanned aerial systems (UAS) by the fire service is becoming more common, especially for large outdoor fires where it is difficult to understand the state of the fire conditions or efficiently suppress the fire. The focus of this paper…
Author(s): Brian Y. Lattimer, Xinyan Huang, Michael Delichatsios, Yiannis A. Levendis, Kevin Kochersberger, Sam Manzello, Peter Frank, Tombo Jones, Jordi Salvador, Conrad Delgado, Eduard Angelats, M. Eulàlia Parés, David Martín, Sara S. McAllister, Sayaka Suzuki
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This systematic literature review focused on the following questions: 1. What is Indigenous fire stewardship and how has it been represented in peer reviewed literature? 2. What are the salient social issues, debates, and concerns about IFS and its…
Author(s): Michael R. Coughlan, Naomi Serio, Harper Loeb, David G. Lewis, Sally Thompson
Year Published:

Wildfires and fire seasons are commonly rated largely on the simple metric of area burned (more hectares: bad). A seemingly paradoxical narrative frames large fire seasons as a symptom of a forest health problem (too much fire), while simultaneously…
Author(s): Daniel C. Donato, Joshua S. Halofsky, Derek J. Churchill, Ryan D. Haugo, C. Alina Cansler, Annie Smith, Brian J. Harvey
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Temperate conifer forests stressed by climate change could be lost through tree regeneration decline in the interior of high-severity fires, resulting in type conversion to non-forest vegetation from seed-dispersal limitation, competition, drought…
Author(s): William L. Baker
Year Published:

Context In western US forests, the increasing frequency of large high-severity fires presents challenges for society. Quantifying how fuel conditions influence high-severity area is important for managing risks of large high-severity fires and…
Author(s): Emily J. Francis, Pariya Pourmohammadi, Zachary L. Steel, Brandon M. Collins, Matthew D. Hurteau
Year Published:

The concept of fire resilience has become increasingly relevant as society looks to understand and respond to recent wildfire events. In particular, the idea of a 'fire resilient landscape' is one which has been utilised to explore how society can…
Author(s): Fiona Newman-Thacker, Marc Castellnou Ribau, Harm Bartholomeus, Cathelijine Stoof
Year Published:

We developed and applied a spatial optimization algorithm to prioritize forest and fuel management treatments within a proposed linear fuel break network on a 0.5 million ha Western US national forest. The large fuel break network, combined with the…
Author(s): Pedro Belavenutti, Alan A. Ager, Michelle A. Day, Woodam Chung
Year Published:

Background: Native pinyon (Pinus spp.) and juniper (Juniperus spp.) trees are expanding into shrubland communities across the Western United States. These trees often outcompete with native sagebrush (Artemisia spp.) associated species, resulting in…
Author(s): Claire Williams, Lisa M. Ellsworth, Eva K. Strand, Matthew C. Reeves, Scott E. Shaff, Karen C. Short, Jeanne C. Chambers, Beth A. Newingham, Claire Tortorelli
Year Published: