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Displaying 1 - 10 of 1228
Ahmed, Trouve, Forthofer, Finney
Our objective in the present study is to provide basic insights into the coupling between external-gas and solid biomass vegetation processes that control the dynamics of flame spread in wildland fire problems. We focus on a modeling approach that…
Year: 2024
Type: Document
Li, Tang, Li, Dou, Li
Background: Extreme wildfires pose a serious threat to forest vegetation and human life because they spread more rapidly and are more intense than conventional wildfires. Detecting extreme wildfires is challenging due to their visual similarities to…
Year: 2024
Type: Document
Hecht, Krofcheck, Carril, Hurteau
Historically, fire has been essential in Southwestern US forests. However, a century of fire-exclusion and changing climate created forests which are more susceptible to uncharacteristically severe wildfires. Forest managers use a combination of…
Year: 2024
Type: Document
The REBURN Model: Simulating Forest and Fuel Succession and Disturbance Dynamics of Large Landscapes
Prichard, HessburgThe landscape of eastern Washington, USA is comprised of common temperate forest and nonforest vegetation types distributed along broad topo-edaphic gradients. This landscape acts as the large testbed for presenters Susan Prichard and Paul Hessburg…
Year: 2024
Type: Media
Robinson, Brambilla, Brown, Conry, Quaife, Linn
Ensemble-based approaches to prescribed fire planning cannot be supported by CFD-based models like FIRETEC and WFDS because they are too computationally expensive and cannot leverage LES approaches like CAWFE and WRF-SFIRE because too coarse of…
Year: 2023
Type: Document
Zhu, Urban
Firebrand spotting is a major cause for structure losses in wildland-urban interface (WUI) fires. When firebrands land nearby and accumulate into groups or piles, they can act as a more competent ignition source compared to single firebrands. While…
Year: 2023
Type: Document
Mastorakos, Gkantonas, Efstathiou, Giusti
A stochastic model motivated by the Lagrangian transported probability density function method for turbulent reacting flows and the cellular automata approach for forest fires was put together to simulate propagation of fires in terrains with…
Year: 2023
Type: Document
James, Ansaf, Al Samahi, Parker, Cutler, Gachette, Ansaf
Wildfire risk has globally increased during the past few years due to several factors. An efficient and fast response to wildfires is extremely important to reduce the damaging effect on humans and wildlife. This work introduces a methodology for…
Year: 2023
Type: Document
Zhang, Mao, Ricciuto, Jin, Yu, Shi, Wullschleger, Tang, Liu
Contemporary fire dynamics is one of the most complex and least understood land surface phenomena. Global fire controls related to climate, vegetation, and anthropogenic activity are usually intertwined, and difficult to disentangle in a…
Year: 2023
Type: Document
Bean, Evans
All wildfires in the United States are managed, but the strategies used to manage them vary by region and season. “Managed wildfire” is a response strategy to naturally ignited wildfires; it does not prioritize full suppression and allows the fire…
Year: 2023
Type: Document