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Displaying 121 - 140 of 5651

The influence of forest treatments on wildfire effects is challenging to interpret. This is, in part, because the impact forest treatments have on wildfire can be slight and variable across many factors. Effectiveness of a treatment also depends on…
Author(s): Anthony Vorster, Camille Stevens-Rumann, Nicholas Young, Brian Woodward, Christopher Tsz Hin Choi, Marin Chambers, Anthony S. Cheng, Michael D. Caggiano, Courtney Schultz, Matthew P. Thompson, S. Michelle Greiner, Gregory H. Aplet, Rob Addington, Michael A. Battaglia, Daniel Bowker, Ethan Bucholz, Brian Buma, Paul Evangelista, David W. Huffman, Stephanie E. Mueller, Charles C. Rhoades, William H. Romme, Andrew Sanchez Meador, Wade T. Tinkham, Matt Tuten, Amanda West
Year Published:

Prescribed fire is a useful tool for building resilient landscapes in fire-prone areas across the globe. In the western U.S., prescribed fire is employed by federal, state, and Tribal land managers and planned during particular meteorological and…
Author(s): Christopher Bone, Courtney Shultz, Heidi Huber-Stearns, Jason Kelley, Emma Cunnin
Year Published:

By all measures, wildfires in the western United States are becoming more extreme. Fires are growing larger and burning more intensely, and suppression costs are spiraling upward. Maximizing the effectiveness of fuel treatments at the landscape…
Author(s): Theresa B. Jain, Sharon M. Hood, Shawn T. McKinney, Jeffrey Ott, Alexandra K. Urza, J. Morgan Varner, Ilana L. Abrahamson, Nathaniel Anderson, Michael A. Battaglia, Jeanne C. Chambers, Brice B. Hanberry, Francis F. Kilkenny, Joseph J. O'Brien
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Structure loss is an acute, costly impact of the wildfire crisis in the western conterminous United States (“West”), motivating the need to understand recent trends and causes. We document a 246% rise in West-wide structure loss from wildfires…
Author(s): Philip E. Higuera, Maxwell C. Cook, Jennifer Balch, E. Natasha Stavros, Adam L. Mahood, Lise A. St. Denis
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Background Increases in fire activity and changes in fire regimes have been documented in recent decades across the western United States. Climate change is expected to continue to exacerbate impacts to forested ecosystems by increasing the…
Author(s): Tzeidle N. Wasserman, Stephanie E. Mueller
Year Published:

An experimental study at a laboratory scale that aims to compare the fire behaviour in two configurations: a regular flat slope and a slope with an embedded canyon. In configurations of slope with an embedded canyon, a rapid increase in the rate of…
Author(s): André Rodrigues, Domingos Xavier Viegas, Miguel Almeida, Carlos Ribeiro, Jorge R. Raposo, Jorge André
Year Published:

Wildfire spread models that couple physical transport and chemical kinetics sometimes simplify or neglect gas-phase pyrolysis product oxidation chemistry. However, empirical evidence suggests that oxygen (O2) is available for gas-phase and solid-…
Author(s): Alexandra Howell, Erica Belmont, Sara S. McAllister, Mark A. Finney
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Biodiversity is in chronic decline, and extreme events - such as wildfires - can add further episodes of acute losses. Fires of increasing magnitude will often overwhelm response capacity, and decision-makers need to make choices about what to…
Author(s): John C. Z. Woinarski, Phillipa C. McCormack, Jan McDonald, Sarah Legge, Stephen T. Garnett, Brendan A. Wintle, Libby Rumpff
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As the 2023 fire season rages with unprecedented intensity in Canada, millions of people and countless animals across North America are exposed to wildfire smoke. Its harmful effects on human and animal health are only beginning to be explored in…
Author(s): Michael Gross
Year Published:

Interactions between vegetation and sediment in post-fire landscapes play a critical role in sediment connectivity. Prior research has focused on the effects of vegetation removal from hillslopes, but little attention has been paid to the effects of…
Author(s): Kailey V. Adams, Jean L. Dixon, Andrew C. Wilcox, Dave McWethy
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There are approximately 1.2 million firefighters in the United States. In addition to fighting fires, they also participate in various tasks including emergency rescues, providing emergency medical care, driving, operating and maintaining fire…
Author(s): Crystal D. Forester, Jay Tarley
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Fire–vegetation feedbacks potentially maintain global savanna and forest distributions. Accordingly, vegetation in savanna and forest ecosystems should have differential responses to fire, but fire response data for herbaceous vegetation have yet to…
Author(s): Zachary J. Gold, Adam F. A. Pellegrini, Tyler Refsland, Romina J. Andrioli, Marlin L. Bowles, Dale G. Brockway, Neil D. Burrows, Augusto C. Franco, Stephen W. Hallgren, Sarah E. Hobbie, William A. Hoffmann, Kevin P. Kirkman, Peter B. Reich, Patrice Savadogo, Divino V. Silverio, Kirsten Stephan, Tercia Strydom, J. Morgan Varner, Dale D. Wade, Allan J. Wills, A. Carla Staver
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An atmospheric river (AR) is a strong filamentary water vapor transport that plays a critical role in regional hydroclimate systems. While climate conditions can affect wildfire activities, the process by which ARs are associated with wildfire…
Author(s): Ju-Mee Ryoo, Taejin Park
Year Published:

Large outdoor fires such as wildfires, wildland urban interface (WUI) fires, urban fires, and informal settlement fires have received increased attention in recent years. In order to develop effective emergency plans to protect people from threats…
Author(s): Negar Elhami-Khorasani, Max Kinateder, Vincent Lemiale, Sam Manzello, Ido Marom, Leorey Marquez, Sayaka Suzuki, Maria Theodori, Yu Wang, Steven Wong
Year Published:

Fire regimes are changing dramatically worldwide due to climate change, habitat conversion, and the suppression of Indigenous landscape management. Although there has been extensive work on plant responses to fire, including their adaptations to…
Author(s): Alice Michel, Jacob R. Johnson, Richard Szeligowski, Euan G. Ritchie, Andrew Sih
Year Published:

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
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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
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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
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Historical logging practices and fire exclusion have reduced the proportion of pine in mixed-conifer forests of the western United States. To better understand pine’s decline, we investigate the impact of historical logging on the tree regeneration…
Author(s): Emily G. Brodie, Eric E. Knapp, Andrew Latimer, Hugh Safford, Marissa Vossmer, Sarah M. Bisbing
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