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Displaying 161 - 180 of 5651

Background: Further understanding of the effect of fuel structure on underlying physical phenomena controlling flame spread is required given the lack of a coherent porous flame spread theory. Aims: To systematically investigate the effect of fuel…
Author(s): Zakary Campbell-Lochrie, Carlos Walker-Ravena, Michael R. Gallagher, Nick Skowronski, Eric Mueller, Rory Hadden
Year Published:

Wildfire has been shown to increase, decrease, or have no detectable effect on actual evapotranspiration (ETa) fluxes in the western United States. Where disturbance-induced shifts are significant, source-water hydrology may be impacted as ETa…
Author(s): Natalie M. Collar, Brian A. Ebel, Samuel Saxe, Ashley J. Rust, Terri S. Hogue
Year Published:

As 21st-century climate and disturbance dynamics depart from historical baselines, ecosystem resilience is uncertain. Multiple drivers are changing simultaneously, and interactions among drivers could amplify ecosystem vulnerability to change.…
Author(s): Kristin H. Braziunas, Nathan G. Kiel, Monica G. Turner
Year Published:

Background: The models currently used to predict post-fire soil erosion risks are limited by high data demands and long computation times. An alternative is to map the potential hydrological and sediment connectivity using indices to express the…
Author(s): Joana Parente, João Pedro Nunes, J. E. M. Baartman, Dante Follmi
Year Published:

The Rothermel model, which has been widely used to predict the rate of forest fire spread, has errors that restrict its ability to reflect the actual rate of spread (ROS). In this study, the fuels from seven typical tree species in the Karst…
Author(s): Yunlin Zhang, Lingling Tian
Year Published:

Ambient wildfire smoke in the American West has worsened considerably in recent decades, while the number of individuals recreating outdoors has simultaneously surged. Wildfire smoke poses a serious risk to human health, especially during long…
Author(s): Matthew Clark, Alexander Killion, Matthew A. Williamson, Vicken Hillis
Year Published:

Disturbances are ubiquitous in ecological systems, and species have evolved a range of strategies to resist or rebound following disturbance. Understanding how the presence and complementarity of regeneration traits will affect community responses…
Author(s): T. Ramiadantsoa, Zakary Ratajczak, Monica G. Turner
Year Published:

With wildfires reaching unprecedented levels of severity, size and frequency, their impact on soil microbial communities is an important concern. Commencing just weeks following a wildfire in a Douglas-fir-Ponderosa pine forest, we collected surface…
Author(s): Erica E. Packard, Daniel M. Durall, Melanie D. Jones
Year Published:

Patterns of spatial heterogeneity in forests and other fire-prone ecosystems are increasingly recognized as critical for predicting fire behavior and subsequent fire effects. Given the difficulty in sampling continuous spatial patterns across scales…
Author(s): Chad M. Hoffman, Justin P. Ziegler, Wade T. Tinkham, J. Kevin Hiers, Andrew T. Hudak
Year Published:

Wilderness areas are important natural laboratories for scientists and managers working to understand fire. In the last half-century, shifts in the culture and policy of land management agencies have facilitated the management practice of letting…
Author(s): Mark R. Kreider, Melissa Jaffe, Julia Berkey, Sean A. Parks, Andrew J. Larson
Year Published:

Numerous wildfire management agencies and institutions rely primarily on simple risk approaches to wildfire that focus on technical risk assessments that do not reflect the complexity of contemporary wildfire risk. This review paper argues that such…
Author(s): Maureen Essen, Sarah M. McCaffrey, Jesse Abrams, Travis B. Paveglio
Year Published:

Species across the planet are shifting their ranges to track suitable climate conditions in response to climate change. Given that protected areas have higher quality habitat and often harbor higher levels of biodiversity compared to unprotected…
Author(s): Sean A. Parks, Lisa M. Holsinger, John T. Abatzoglou, Caitlin E. Littlefield, Katherine A. Zeller
Year Published:

Wildfires are increasing in frequency and intensity in part because of changing climate conditions and decades of fire suppression. Though fire is a natural ecological process in many forest ecosystems, extreme wildfires now pose a growing threat to…
Author(s): The Aspen Institute, The Nature Conservancy
Year Published:

Wildfires are a global crisis, but current fire models fail to capture vegetation response to changing climate. With drought and elevated temperature increasing the importance of vegetation dynamics to fire behavior, and the advent of next…
Author(s): L. Turin Dickman, Alexandra K. Jonko, Rodman Linn, Ilkay Altintas, Adam L. Atchley, Andreas Bär, Adam D. Collins, Jean-Luc Dupuy, Michael R. Gallagher, J. Kevin Hiers, Chad M. Hoffman, Sharon M. Hood, Matthew D. Hurteau, William Matt Jolly, Alexander J. Josephson, E. Louise Loudermilk, Wu Ma, Sean T. Michaletz, Rachael H. Nolan, Joseph J. O'Brien, Russell A. Parsons, Raquel Partelli Feltrin, F. Pimont, Víctor Resco de Dios, Joseph C. Restaino, Zachary J. Robbins, Karla A. Sartor, Emily Schultz-Fellenz, Shawn P. Serbin, Sanna Sevanto, Jacquelyn Kremper Shuman, Carolyn Hull Sieg, Nick Skowronski, David R. Weise, Molly Wright, Chonggang Xu, Marta Yebra, Nicolas Younes
Year Published:

Wildfires spread along trajectories set by a coincident wind direction. Despite the highly directional nature of wildfire threats to public safety, landscape fire risk assessments are typically omnidirectional. We used a simple metric of landscape…
Author(s): Jennifer L. Beverly, Air M. Forbes
Year Published:

As wildfire risks have elevated due to climate change, the health risks that toxicants from fire smoke pose to wildland firefighters have been exacerbated. Recently, the International Agency for Research on Cancer (IARC) has reclassified wildland…
Author(s): Jooyeon Hwang, Ngee Sing Chong, Mengliang Zhang, Robert J. Agnew, Chao Xu, Zhuangjie Li, Xin Xu
Year Published:

Forest wildfire impact is widely believed to increase with time since disturbance, presenting a dilemma for the persistence of fire-sensitive species. However, in south-western Australia, disturbance has been shown to increase wildfire likelihood…
Author(s): Philip Zylstra, Grant W. Wardell-Johnson, Daniel S. Falster, Melissa Howe, Nathan McQuoid, Simon Neville
Year Published:

Background: Accurately estimating burned area from satellites is key to improving biomass burning emission models, studying fire evolution and assessing environmental impacts. Previous studies have found that current methods for estimating burned…
Author(s): Melinda T. Berman, XinXin Ye, Laura H. Thapa, David A. Peterson, Edward J. Hyer, Amber J. Soja, Emily Gargulinski, Ivan A. Csiszar, Christopher Schmidt, Pablo E. Saide
Year Published:

Facing an increase in the size and complexity of wildland interface fires, water utilities must pay more attention to protecting vital infrastructures during potentially catastrophic wildfires. Water utilities can mitigate the impacts of wildfires…
Author(s): Robert Gutierrez, Esaud Lagunas
Year Published:

Many fire management agencies aim to detect and suppress all ignitions within their jurisdiction and may benefit from understanding the causes of year-to-year variation. Ignition variation is likely to be associated with climatically driven changes…
Author(s): Nicholas Wilson, Marta Yebra
Year Published: