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The future of dry forests around the world is uncertain given predictions that rising temperatures and enhanced aridity will increase drought-induced tree mortality. Using forest management and ecological restoration to reduce density and…
Author(s): John Bradford, Robert K. Shriver, Marcos D. Robles, Lisa McCauley, Travis J. Woolley, Caitlin M. Andrews, Michael A. Crimmins, David M. Bell
Year Published:

The 2018-2021 wildfire seasons were a glimpse of the future: deadly damaging fires in Mediterranean regions and high fire activity outside the typical fire season, also in temperate and boreal areas. This challenge cannot be solved with the…
Author(s): Cathelijine Stoof, Nick Kettridge
Year Published:

The influence of meteorological conditions on wildfire behaviour and propagation has been recognised through the development of a variety of fire weather indices, which combine information on air temperature, atmospheric moisture and wind, amongst…
Author(s): J. Sharples
Year Published:

As the frequency and severity of wildfires escalates in many regions, the study of fire-resilient forestry practices becomes crucial. While forest owners may employ several silvicultural practices to mitigate fire damage, the analytical study of…
Author(s): João V. Patto, Renato Rosa
Year Published:

The Joint Fire Science Program (JFSP) and the Environmental Security Technology Certification Program (ESTCP) initiated the Fire and Smoke Model Experiment (FASMEE) (https://fasmee.net) by funding JFSP Project 15-S-01-01. This nationwide,…
Author(s): Roger D. Ottmar, Adam C. Watts, Sim Larkin, Tim Brown, Nancy H. F. French
Year Published:

The goal of decreasing wildfire hazard as much as possible, using minimal fuel treatments, has led to increasing scholarly interest in fuel reduction spatial optimisation. Most models in the field rest on the assumption of a known wind direction and…
Author(s): Assaf Shmuel, Eyal Heifetz
Year Published:

Aim Wildfire activity in recent years is notable not only for an expansion of total area burned but also for large, single-day fire spread events that pose challenges to ecological systems and human communities. Our objectives were to gain new…
Author(s): Jonathan D. Coop, Sean A. Parks, Camille Stevens-Rumann, Scott M. Ritter, Chad M. Hoffman
Year Published:

Night-time provides a critical window for slowing or extinguishing fires owing to the lower temperature and the lower vapour pressure deficit (VPD). However, fire danger is most often assessed based on daytime conditions1,2, capturing what promotes…
Author(s): Jennifer Balch, John T. Abatzoglou, Maxwell B. Joseph, Michael J. Koontz, Adam L. Mahood, Joe McGlinchy, Megan E. Cattau, A. Park Williams
Year Published:

This is the second part of a series of two papers concerning fire-spotting generated fires. While, in the first part, we focus on the impact of macro-scale factors on the growth of the burning area by considering the atmospheric stability conditions…
Author(s): Vera N. Egorova, Andrea Trucchia, Gianni Pagnini
Year Published:

Federal land managers in the United States are permitted to manage wildfires with strategies other than full suppression under appropriate conditions to achieve natural resource objectives. However, policy and scientific support for “managed…
Author(s): Emily Jane Davis, Heidi Huber-Stearns, Michael D. Caggiano, Darren McAvoy, Anthony S. Cheng, A. Deak, A. Evans
Year Published:

Altered climate, including weather extremes, can cause major shifts in vegetative recovery after disturbances. Predictive models that can identify the separate and combined temporal effects of disturbance and weather on plant communities and that…
Author(s): Cara Applestein, T. Trevor Caughlin, Matthew J. Germino
Year Published:

Violent fire-driven convection can manifest as towering pyrocumulus (pyroCu) or pyrocumulonimbus (pyroCb) clouds, which can have devastating impacts on the environment and society. Their associated fire spread is erratic, unpredictable and not…
Author(s): Rachel Badlan, J. Sharples, Jason P. Evans, Richard H. D. McRae
Year Published:

Policy initiatives such as the Collaborative Forest Landscape Restoration Program (Rep. Holt, 2009) have emphasized landscape-scale (> 10,000 ac) fuel reduction treatments to mitigate adverse impacts of large, uncharacteristic wildfires in the…
Author(s): Chad M. Hoffman, William E. Mell, Russell A. Parsons, Seth A. Ex, Justin P. Ziegler
Year Published:

A conceptual model based on the dynamic interaction between fire, the fuel bed and the surrounding flow to explain the non-monotonic or intermittent behaviour of fires is proposed. According to the model, even in nominally permanent and uniform…
Author(s): Domingos Xavier Viegas, J. R. Raposo, Carlos Ribeiro, Luís Carlos Duarte Reis, Abdelrahman Abouali, Carlos Viegas
Year Published:

Strong and variable winds in thunderstorm outflow boundaries interact with wildland fires, often spreading flames faster to threaten firefighter safety and amplify economical destruction. These boundaries are difficult to detect in complex terrain…
Author(s): Katja Friedrich, Julie Lundquist
Year Published:

Due to the increased concern for the environment, sustainable construction materials are getting increased attention. Wood is considered a renewable, sustainable construction material. The problem with wood is that it is a fire-prone material. With…
Author(s): Sayaka Suzuki, Sam Manzello
Year Published:

A significant amount of research has examined what motivates people living in fire-prone areas to mitigate their wildfire risk (i.e. engage in activities that reduce vulnerability and the effects of a wildfire on an individual’s property). However,…
Author(s): Hugh D. Walpole, Sarah M. McCaffrey, Claire Rapp, Robyn S. Wilson
Year Published:

Extreme wildfire events in recent years are shaking our established knowledge of how fire regimes respond to climate variables and how societies need to react to fire impacts. Albeit fires are stochastic and extreme in nature, the speed, intensity,…
Author(s): Andrea Duane, Marc Castellnou, Lluis Brotons
Year Published:

Key to the long-term resilience of dryland ecosystems is the recovery of foundation plant species following disturbance. In ecosystems with high interannual weather variability, understanding the influence of short-term environmental conditions on…
Author(s): Alexandra K. Urza, Peter J. Weisberg, David Board, Jeanne C. Chambers, Stanley G. Kitchen, Bruce A. Roundy
Year Published:

Abrupt changes in wind direction and speed caused by thunderstorm-generated gust fronts can, within a few seconds, transform slow-spreading low-intensity flanking fires into high-intensity head fires. Flame heights and spread rates can more than…
Author(s): Gary Achtemeier, Scott L. Goodrick
Year Published: