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Displaying 141 - 160 of 5651

Burn severity is commonly assessed using Burn Ratios and field measurements to provide land managers with estimates of the degree of burning in an area. However, less commonly studied is the ability of spectral indices and Burn Ratios to estimate…
Author(s): David M. Szpakowski, Jennifer L. Rooker Jensen, T. Edwin Chow, David R. Butler
Year Published:

Firebrands generated from wildfires can contribute to wildfire spread and are a threat to structures in the wildland-urban interface (WUI). Understanding the characteristics such as the firebrand size, mass and heat flux to the recipient fuel are…
Author(s): Sampath Adusumilli, David L. Blunck
Year Published:

High-severity fires and short-interval reburns strongly influence forest structure and composition and may overwhelm forest ecosystem resilience and catalyze persistent shifts to non-forest conditions. Recent increases in annual area burned and…
Author(s): Melissa Jaffe, Mark R. Kreider, David L.R. Affleck, Philip E. Higuera, Carl A. Seielstad, Sean A. Parks, Andrew J. Larson
Year Published:

Sagebrush ecosystems in the United States have been declining since EuroAmerican settlement, largely due to agricultural and urban development, invasive species, and altered fire regimes, resulting in loss of biodiversity and wildlife habitat. To…
Author(s): Douglas J. Shinneman, Eva K. Strand, Michael L. Pellant, John T. Abatzoglou, Mark W. Brunson, Nancy F. Glenn, Julie A. Heinrichs, Mojtaba Sadegh, Nicole M. Vaillant
Year Published:

Background: Historically, reburn dynamics from cultural and lightning ignitions were central to the ecology of fire in the western United States (wUS), whereby past fire effects limited future fire growth and severity. Over millennia, reburns…
Author(s): Susan J. Prichard, R. Brion Salter, Paul F. Hessburg, Nicholas A. Povak, Robert W. Gray
Year Published:

One of the worst environmental catastrophes that endanger the Australian community is wildfire. To lessen potential fire threats, it is helpful to recognize fire occurrence patterns and identify fire susceptibility in wildfire-prone regions. The use…
Author(s): Abolfazl Abdollahi, Biswajeet Pradhan
Year Published:

Prescribed fires are an important management tool for reducing fuels and returning fire to the landscape. However, rarely are changes in fuels fully quantified using pre- to post-prescribed fire measurements and those studies that do exist show…
Author(s): Scott M. Ritter, Kat E. Morici, Camille Stevens-Rumann
Year Published:

Many wildfire behaviour modeling studies have focused on fires during extreme conditions, where the dominant processes are resolved and smaller-scale variations have less influence on fire behaviour. As such, wildfire behaviour models typically…
Author(s): Ginny A. Marshall, Rodman Linn, Marlin J. Holmes, Scott L. Goodrick, Dan K. Thompson, A. Hemmati
Year Published:

Leaders are crucial to ensuring the well-being of their subordinates. This study aims to understand the effects of two leadership styles (empowering vs. directive) on subordinates’ well-being in an emergency situation (i.e., rural fire). A…
Author(s): Luis Curral, Laura Carmona, Raquel Pinheiro, Vitor Reis, Maria Jose Chambel
Year Published:

Throughout communities and ecosystems both within and downstream of mountain forests, there is an increasing risk of wildfire. After a wildfire, stakeholder management will vary depending on the rate and spatial heterogeneity of forest re-…
Author(s): Ryan W. Webb, Marcy E. Litvak, Paul D. Brooks
Year Published:

In recent years, the state of Colorado has experienced extreme wildfire events that have degraded forest and watershed health and devastated human communities. With expanding human development and a changing climate, wildfire activity is likely to…
Author(s): Erin J. Belval, Matthew P. Thompson
Year Published:

Background: Canadian fire management agencies track drought conditions using the Drought Code (DC) in the Canadian Forest Fire Danger Rating System. The DC represents deep organic layer moisture. Aims: To determine if electronic soil moisture probes…
Author(s): Chelene C. Krezek-Hanes, B. Mike Wotton, Laura L. Bourgeau-Chavez, Douglas G. Woolford, Stephane Belair, David L. Martell, Michael D. Flannigan
Year Published:

Safety-specific passive leadership has been negatively linked to diminished safety outcomes, including safety behaviors. However, this relationship is not fully understood. Research has not fully examined mediating factors that may be influenced by…
Author(s): Todd D. Smith, Mari-Amanda Dyal, David M. DeJoy
Year Published:

Despite recent research, a systematic approach to understanding wildfire governance is lacking. This article addresses this deficit by systematically reviewing governance theories and concepts applied so far in the academic literature on wildfires…
Author(s): Judith Kirschner, Julian Clark, George Boustras
Year Published:

A new fire danger index is proposed to overcome one of the most important limitations of current fire danger metrics. The fire occurrence probability index (FOPI) combines the Canadian fire weather index (FWI) with remote observations of vegetation…
Author(s): Francesca Di Giuseppe
Year Published:

Background: Reliable wildfire prediction and efficient controlled burns require a comprehensive understanding of physical mechanisms controlling fire spread behaviour. Earlier studies explored the intermittent nature of free-burning fires, but the…
Author(s): Abhinandan Singh, Reza M. Ziazi, Albert Simeoni
Year Published:

As a general disturbance in terrestrial ecosystems, fire can have far-reaching consequences on the carbon (C) cycle. Although soil respiration (SR) is important in regulating atmospheric CO2 concentrations, a general pattern of the response of SR to…
Author(s): Haoran Gui, Jiali Wang, Mengjun Hu, Zhenxing Zhou, Shiqiang Wan
Year Published:

The historical role of fire in sagebrush (Artemisia tridentata) landscapes remains poorly understood, yet is important to inform management and conservation of obligate species such as the threatened Gunnison Sage-grouse (GUSG; Centrocercus minimus…
Author(s): Petar Z. Simic, Jonathan D. Coop, Ellis Q. Margolis, Jessica R. Young, Manuel K. Lopez
Year Published:

Wildfires affect countries worldwide as global warming increases the probability of their appearance. Monitoring vast areas of forests can be challenging due to the lack of resources and information. Additionally, early detection of wildfires can be…
Author(s): Georgios Tzoumas, Lenka Pitonakova, Lucio Salinas, Charles Scales, Thomas Richardson
Year Published:

Increases in burned forest area across the western United States and southwestern Canada over the last several decades have been partially driven by a rise in vapor pressure deficit (VPD), a measure of the atmosphere's drying power that is…
Author(s): Kristina A. Dahl, John T. Abatzoglou, Carly A. Phillips, J. Pablo Ortiz-Partida, Rachel Licker, L. Delta Merner, Brenda Ekwurzel
Year Published: