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Displaying 81 - 100 of 5651

The escalating climate and wildfire crises have generated worldwide interest in using proactive forest management (e.g. forest thinning, prescribed fire, cultural burning) to mitigate the risk of wildfire-caused carbon loss in forests. To estimate…
Author(s): Jamie L. Peeler, Lisa McCauley, Kerry L. Metlen, Travis J. Woolley, Kimberly Davis, Marcos D. Robles, Ryan D. Haugo, Karen L. Riley, Philip E. Higuera, Joseph E Fargione, Rob Addington, Steven Bassett, Kori Blankenship, Michael Case, Teresa B. Chapman, Edward Smith, Randy Swaty, Nathan Welch
Year Published:

The goal of this work is to develop a material model for Norway spruce and Scots pine woods for use in performance-based fire safety design to predict char front progress and heat release in burning timber. For both woods a set of two different…
Author(s): Aleksi Rinta-Paavola, Dmitry Sukhomlinov, S. Hostikka
Year Published:

Background: An effective identification model is crucial to realise the real-time monitoring and early warning of forest fires from surveillance cameras. However, existing models are prone to generate numerous false alarms under the interference of…
Author(s): Yuming Qiao, Wenyu Jiang, Fei Wang, Guofeng Su, Xin Li, Juncai Jiang
Year Published:

Increasing area burned across western North America raises questions about the precedence and magnitude of changes in fire activity, relative to the historical range of variability (HRV) that ecosystems experienced over recent centuries and…
Author(s): Kyra Clark-Wolf, Philip E. Higuera, Bryan N. Shuman, Kendra K. McLauchlan
Year Published:

Fire whirls are frequently spotted during forest fires in which unburnt or half burnt fuel around the fire can be seen rotating along with the whirl. The fuel rotation inside the whirl affects the fire characteristics compared to the stationary…
Author(s): Pushpendra Kumar Vishwakarma, Saumitra Mishra, Kirti Bhushan Mishra, A. Aravind Kumar
Year Published:

Background: Burn severity significantly increases the likelihood and volume of post-wildfire debris flows. Pre-fire severity predictions can expedite mitigation efforts because precipitation contributing to these hazards often occurs shortly after…
Author(s): Adam G. Wells, Todd J. Hawbaker, J. Kevin Hiers, Jason W. Kean, Rachel A. Loehman, Paul F. Steblein
Year Published:

In December 2022, twenty-one experts from land management agencies, Tribes, and organizations from across the country convened at the Wilderness and Fire Workshop in Gunnison, Colorado to consider the effects of over a century of fire exclusion on…
Author(s): Center for Public Lands Western Colorado University, USFS Aldo Leopold Wilderness Research Institute,
Year Published:

Separation Distances are used throughout the world to protect people and assets from the potential hazardous effects from propellants, explosives, and pyrotechnics. The current separation distances for Hazard Division (HD) 1.3 substances and…
Author(s): Clint Guymon, Ming Liu, Josephine Covino
Year Published:

The growing scale of natural hazards highlights the need for models of governance capable of addressing risk across administrative boundaries. However, risk governance systems are often fragmented, decentralized, and sustained by informal linkages…
Author(s): Matthew Hamilton, Max Nielson-Pincus, Cody Evers
Year Published:

Background: Wildfire simultaneity affects the availability and distribution of resources for fire management: multiple small fires require more resources to fight than one large fire does. Aims: The aim of this study was to project the effects of…
Author(s): Seth McGinnis, Lee Kessenich, Linda Mearns, Alison Cullen, Harry Podschwit, Melissa S. Bukovsky
Year Published:

Prescribed fall burning is commonly used worldwide on rangeland sites to enhance vegetation resources and restore disturbed ecosystems, but little is known about how it may alter microbial communities and insect activities. We used two site…
Author(s): Deborah S. Page-Dumroese, Stephen Cook, Bradford M. Kard, Martin F. Jurgensen, Chris A. Miller, Joanne M. Tirocke
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(1) Background: When a fire breaks out, combustibles are burned and toxic substances such as carbon monoxide (CO), polycyclic aromatic hydrocarbons (PAH), benzene, and hydrogen cyanide are produced. The purpose of this study is to evaluate the air…
Author(s): Soo Jin Kim, Seunghon Ham
Year Published:

We aim to assess small airway dysfunction, spirometry, health-related quality of life (HR-QoL), and inflammatory biomarkers between the wildland firefighters and healthy controls. Lung function including impulse oscillometry (IOS) and spirometry, HR…
Author(s): Nutchanok Niyatiwatchanchai, Chaicharn Pothirat, Warawut Chaiwong, Chalerm Liwsrisakun, Nittaya Phetsuk, Pilaiporn Duangjit, Woranoot Choomuang
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Fire management aims to change fire regimes. However, the challenge is to provide the optimal balance between the mitigation of risks to life and property, while ensuring a healthy environment and the protection of other key values in any given…
Author(s): Hamish G. Clarke, Brett Cirulis, Nicolas Borchers-Arriagada, Michael A. Storey, Mark K. J. Ooi, Katharine Haynes, Ross A. Bradstock, Owen F. Price, Trent D. Penman
Year Published:

Dry conifer forests in the western US historically experienced frequent fire prior to European American colonization. Mean fire return interval ranged from about 5-35 years, with the majority of fires burning at low-to-moderate severity. The arrival…
Author(s): Sean A. Parks, Lisa M. Holsinger, Kori Blankenship, Gregory K. Dillon, Sara A. Goeking, Randy Swaty
Year Published:

Appropriately designed fuel treatments reduce negative outcomes of wildfire and in some cases promote beneficial wildfire outcomes. Wildfires are a landscape scale phenomenon; therefore, fuel treatments should be evaluated at a landscape level to…
Year Published:

The increasing complexity and impacts of fire seasons in the United States have prompted efforts to improve early warning systems for wildland fire management. Outlooks of potential fire activity at lead-times of several weeks can help in wildland…
Author(s): John T. Abatzoglou, Daniel J. McEvoy, Nicholas J. Nauslar, Katherine C. Hegewisch, Justin L. Huntington
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This paper aims to provide a better understanding of the transition towards a new paradigm of wildfire risk management in Victoria that incorporates Aboriginal fire knowledge. We show the suitability of cultural burning in the transformed landscapes…
Author(s): Amos Atkinson, Cristina Montiel-Molina
Year Published:

Falling trees and tree fragments are one of the top five leading causes of fatalities for wildland fire responders. Wildfires - along with insect infestations, drought, disease, and other disturbances - have increased dead and dying trees in forests…
Author(s): Karen L. Riley, Kit O'Connor
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
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