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Displaying 81 - 100 of 491

To optimize suppression, restoration, and prevention plans against wildfire, postfire assessment is a key input. Since little research has been carried out on applying Sentinel-2 imagery through an integrated approach to evaluate how environmental…
Author(s): Juan Picos, Laura Alonso, Guillermo Bastos, Julia Armesto
Year Published:

The grasslands of the northern Great Plains (NGP) region of North America are considered endangered ecosystems and priority conservation areas yet have great ecological and economic importance. Grasslands in the NGP are no longer self‐regulating…
Author(s): Lora Perkins, Marissa A. Ahlering, Diane L. Larson
Year Published:

Prescribed burning is a widely used tool in forest and grassland management. However, because fire that escapes from a prescribed burn accidentally may cause property damage, injuries, and even human casualties, purchasing insurance to cover such…
Author(s): Rajan Parajuli, Omkar Joshi, Neelam C. Poudyal, Urs P. Kreuter
Year Published:

Forest fires threaten a large part of the world's forests, communities, and industrial plants, triggering technological accidents (Natechs). Forest fire modelling with respect to contributing spatial parameters is one of the well-known ways not only…
Author(s): Mohsen Naderpour, Hossein Mojaddadi Rizeei, Nima Khakzad, Biswajeet Pradhan
Year Published:

Data collection in the field is fundamental in providing relevant information during fire spread across vegetation or in industrial environments. Considering the challenge and costs of obtaining measurements in the presence of a fire at such a large…
Author(s): Frederic Morandini, Tom Toulouse, Xavier Silvani, Antoine Pieri, Lucile Rossi
Year Published:

An automated disk infiltrometer was developed to improve the measurements of soil hydraulic properties (saturated hydraulic conductivity and sorptivity) of soils affected by wildfire. Guideline are given for interpreting curves showing cumulative…
Author(s): John A. Moody, Richard G. Martin, Brian A. Ebel
Year Published:

A two-dimensional three-phase mathematical model of forest fires constructed by the method of averaging over the height of the forest fuel layer is considered. The gas phase in the model is described by gas dynamics equations with the k − ε…
Author(s): Andrey A. Kuleshov, Elena E. Myshetskaya, Sergey E. Yakush
Year Published:

In grassy ecosystems of south‐eastern Australia, fire maintains richness of native forbs. It is commonly thought that fire promotes regeneration indirectly by reducing competition for light and providing gaps for recruitment, rather than directly…
Author(s): Joshua A. Hodges, Jodi N. Price, Dale G. Nimmo, Lydia K. Guja
Year Published:

Exposure to wildfire smoke is a public health issue of increasing prominence in North America, particularly in western states and provinces. In this study, Aethalometer data collected at six sites in the Lower Fraser Valley (LFV), British Columbia,…
Author(s): Robert M. Healy, Jonathan M. Wang, Uwayemi Sofowote, Yushan Su, Jerzy Debosz, Michael Noble, Anthony Munoz, Cheol-Heon Jeong, Nathan Hilker, Greg J. Evans, Geoff Doerksen
Year Published:

Unraveling the effects of climate and land use on historical fire regimes provides important insights into broader human–fire–climate dynamics, which are necessary for ecologically based forest management. We developed a spatial human land‐use model…
Author(s): Christopher H. Guiterman, Ellis Q. Margolis, Christopher H. Baisan, Donald A. Falk, Craig D. Allen, Thomas W. Swetnam
Year Published:

Fire-prone invasive grasses create novel ecosystem threats by increasing fine-fuel loads and continuity, which can alter fire regimes. While the existence of an invasive grass-fire cycle is well known, evidence of altered fire regimes is typically…
Author(s): Emily J. Fusco, John T. Finn, Jennifer Balch, R. Chelsea Nagy, Bethany A. Bradley
Year Published:

Wildfire refugia (unburnt patches within large wildfires) are important for the persistence of fire‐sensitive species across forested landscapes globally. A key challenge is to identify the factors that determine the distribution of fire refugia…
Author(s): Luke Collins, Andrew F. Bennett, Steven W.J. Leonard, Trent D. Penman
Year Published:

Wildfire is an essential earth‐system process, impacting ecosystem processes and the carbon cycle. Forest fires are becoming more frequent and severe, yet gaps exist in the modeling of fire on vegetation and carbon dynamics. Strategies for reducing…
Author(s): Jeffrey E. Stenzel, Kristina J. Bartowitz, Melannie D. Hartman, James A. Lutz, Crystal A. Kolden, Alistair M. S. Smith, Beverly E. Law, Mark E. Swanson, Andrew J. Larson, William J. Parton, Tara W. Hudiburg
Year Published:

In the last decades, land-use changes have made Mediterranean forests highly susceptible to wildfires, which can cause several impacts not only on burnt areas, but also on adjacent aquatic ecosystems. Post-fire runoff from burnt areas may transport…
Author(s): Francisco Carvalho, Arunava Pradhan, Nelson Abrantes, Isabel Campos, Jan J. Keizer, Fernanda Cássio, Cláudia Pascoal
Year Published:

Post-fire assessment is made after a wildfire incident to provide details about damage level and its distribution over burned areas. Such assessments inform restoration plans and future monitoring of ecosystem recovery. Due to the high cost and time…
Author(s): Carine Klauberg, Andrew T. Hudak, C. A. Silva, Sarah A. Lewis, Peter R. Robichaud, Theresa B. Jain
Year Published:

High severity stand-replacing wildfires can deeply affect forest ecosystems whose composition includes plant species lacking fire-related traits and specific adaptations. Land managers and policymakers need to be aware of the importance of properly…
Author(s): Enrico Marcolin, Raffaella Marzano, Alessandro Vitali, Matteo Garbarino, Emanuele Lingua
Year Published:

Wildland firefighting requires managers to make decisions in complex decision environments that hold many uncertainties; these decisions need to be adapted dynamically over time as fire behavior evolves. Models used in firefighting decisions should…
Author(s): Erin J. Belval, Yu Wei, Michael Bevers
Year Published:

For this study, we characterized the dependence of fire counts (FCs) on soil moisture (SM) at global and sub-global scales using 15 years of remote sensing data. We argue that this mathematical relationship serves as an effective way to predict fire…
Author(s): Alexander J. Schaefer, Brian I. Magi
Year Published:

Wildland fire is a major producer of aerosols from combustion of vegetation and soils, but little is known about the abundance and composition of smoke’s biological content. Bioaerosols, or aerosols derived from biological sources, may be a…
Author(s): Leda N. Kobziar, Melissa R.A. Pingree, Adam C. Watts, Kellen N. Nelson, Tyler J. Dreaden, Mary Ridout
Year Published:

Previously burned areas can influence the occurrence, extent, and severity of subsequent wildfires, which may influence expenditures on large fires. We develop a conceptual model of how interactions of fires with previously burned areas may…
Author(s): Erin J. Belval, Christopher D. O'Connor, Matthew P. Thompson, Michael S. Hand
Year Published: