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Displaying 161 - 180 of 5651

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:

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:

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:

Studies showed that tobacco use and excessive alcohol consumption frequently occur, and both are significant causes of preventable morbidity and mortality. Data were collected as part of a national online study of the health of women in the fire…
Author(s): Nattinee Jitnarin, Christopher K. Haddock, Christopher M. Kaipust, Walker S. C. Poston, Sara A. Jahnke
Year Published:

A safe separation distance (SSD) needs to be considered during firefighting activities (fire suppression or people evacuation) against wildfires. The SSD is of critical interest for both humans and assets located in the wildland–urban interfaces (…
Author(s): Jacky Fayad, Gilbert Accary, Frederic Morandini, François Joseph Chatelon, Lucile Rossi, Thierry Marcelli, Dominique Cancellieri, Valérie Leroy-Cancellieri, Yassine Rahib, D. Morvan, Sofiane Meradji, Antoine Pieri, Jean-Yves Duret, Jean Louis Rossi
Year Published:

The behaviour and rate of spread of a wildfire is strongly affected by local wind conditions depending on topography and surrounding vegetation. The wind speed within dense vegetation can be substantially lower than the open wind speed above the…
Author(s): Duncan Sutherland, Mahmood A. Rashid, J. E. Hilton, K. A. M. Moinuddin
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: