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Ecosystem

Displaying 1161 - 1180 of 5894 results

Increased demand for timber, the reduction in the available timber resources, and more frequent and severe forest fires under a changing climate have increased the use of salvage logging in North American forests despite concerns regarding impacts…
Author(s): Fidèle Bognounou, Lisa A. Venier, Steven L. Van Wilgenburg, Isabelle Aubin, Jean-Noel Candau, Andre Arsenault, Christian Hebert, Jacques Ibarzabal, Samantha J. Song, Louis De Grandpré
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In recent years Unmanned Aerial Vehicles (UAVs) have progressively been utilized for wildfire management, and are especially in prevalent in forest fire monitoring missions. To ensure the fast detection and accurate area estimation of forest fires,…
Author(s): Mrinmoy Sarkar, Xuyang Yan, Berat A. Erol, Ioannis Raptis, Abdollah Homaifar
Year Published:

Fire is a natural element that has important effects on society, economy and environment. It is a critical element of many ecosystems, but when uncontrolled is the cause of the destruction of many socio-economic systems. These uncontrolled fires (…
Author(s): Lea Wittenberg, Paulo Pereira
Year Published:

Anthropogenic climate change is expected to cause an increase in fire danger over south-eastern Australia during the 21st century, primarily driven by increased surface temperature. Studies of future fire weather in Victoria, Australia, have so far…
Author(s): Scott Clark, Graham A. Mills, Timothy J. Brown, Sarah Harris, John T. Abatzoglou
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The fire plume height (smoke injection height) is an important parameter for calculating the transport and lifetime of smoke particles, which can significantly affect regional and global air quality and atmospheric radiation budget. To develop an…
Author(s): Ziming Ke, Yuhang Wang, Yufei Zou, Yongjia Song, Yongqiang Liu
Year Published:

Improving the accuracy of fire behavior prediction requires better understanding of live fuel, the dominant component of tree crowns, which dictates the consumption and energy release of the crown fire flame-front. Live fuel flammability is not well…
Author(s): Oleg M. Melnik, Stephen A. Paskaluk, Mark Y. Ackerman, Katharine O. Melnik, Dan K. Thompson, Sara S. McAllister, Michael D. Flannigan
Year Published:

With the increasing frequency and severity of fire, there is an increasing desire to better manage fuels and minimize, as much as possible, the impacts of fire on soils and other natural resources. Piling and/or burning slash is one method of…
Author(s): William J. Massman
Year Published:

We present novel in-field vegetation fire observations and the analyses using brightness temperatures recorded by longwave infrared camera and thermal image velocimetry. The brightness temperatures from a wind-driven stubble wheat fire were obtained…
Author(s): Marwan Katurji, Jiawei Zhang, Ashley Satinsky, Hamish McNair, Benjamin Schumacher, Tara Strand, Andres Valencia, Mark A. Finney, H. Grant Pearce, Jessica Kerr, Daisuke Seto, Hugh Wallace, Peyman Zawar-Reza, Christina Dunker, Veronica R. Clifford, Katharine O. Melnik, Torben Grumstrup, Jason M. Forthofer, Craig B. Clements
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Quantifying livelihood vulnerability to wildland fires in the United States is challenging because of the need to systematically integrate multidimensional variables into its analysis. We aim to measure wildfire threats amongst humans and their…
Author(s): Janine A. Baijnath-Rodino, Mukesh Kumar, Margarita Rivera, Khoa D. Tran, Tirtha Banerjee
Year Published:

This FEIS species review synthesizes information on the relationship of Erythronium grandiflorum (yellow avalanche-lily) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Janet L. Fryer
Year Published:

We used a value of information approach to demonstrate the cost-effectiveness of using satellite imagery as part of the Burn Area Emergency Response (BAER), a US federal program that identifies imminent post-wildfire threats to human life and safety…
Author(s): Richard Bernknopf, Yusuke Kuwayama, Reily Gibson, Jessica Blakely, Bethany Mabee, T. J. Clifford, Brad Quayle, Justin Epting, Terry Hardy, David C. Goodrich
Year Published:

Western North American sagebrush shrublands and steppe face accelerating risks from fire-driven feedback loops that transition these ecosystems into self-reinforcing states dominated by invasive annual grasses. In response, sagebrush conservation…
Author(s): Thomas J. Rodhouse, Jeffrey Lonneker, Lisa Bowersock, Diana Popp, Jamela C. Thompson, Gordon H. Dicus, Kathryn M. Irvine
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Computational natural wildfire simulation is a computing-intensive process. The process is also challenging because of the need to integrate data with wide spatial and temporal variability. Our study sought to simulate rapidly spreading natural…
Author(s): Bishrant Adhikari, Chen Xu, Paddington Hodza, Thomas A. Minckley
Year Published:

Despite the increasing challenges wildfires are posing around the globe, and the flourishing production of high-quality wildfire scientific knowledge, the ability of fire science to impact knowledge on the ground, for people, society, economy, and…
Author(s): Fantina Tedim, Sarah M. McCaffrey, Vittorio Leone, Carmen Vazquez-Varela, Yaella Depietri, Petra Buergelt, Raffaella Lovreglio
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Private landowners are important actors in landscape-level wildfire risk management. Accordingly, wildfire programs and policy encourage wildland–urban interface homeowners to engage with local organizations to properly mitigate wildfire risk on…
Author(s): James R. Meldrum, Hannah Brenkert-Smith, Patricia A. Champ, Jamie Gomez, Hilary Byerly, Lilia C. Falk, Christopher M. Barth
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
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As global warming continues, wildland lightning fires have exhibited an increasing trend. The phenomenon of lightning ignition and a model are urgent research fields. In this study, an impulse current generator was used to study artificial lightning…
Author(s): Junwei Feng, Hao Shen, Dong Liang
Year Published:

Increasing wildfire activity in western North America has the potential to remove forest canopy cover over large areas, increasing the vulnerability of understory plants and juvenile trees to microclimatic extremes. To understand the impacts of…
Author(s): Kyra D. Wolf, Philip E. Higuera, Kimberley T. Davis, Solomon Z. Dobrowski
Year Published:

Wildfire is a dynamic natural process that continually shapes the structure and composition of landscapes. However, due to a combination of factors including climate change, management decisions and population growth, this natural process is having…
Author(s): Brooke R. Saari, Sonia A. Hall
Year Published:

Mountain pine beetle (MPB; Dendroctonus ponderosae Hopkins) causes extensive tree mortality in whitebark pine (Pinus albicaulis Engelm) forests. Previous studies conducted in lodgepole pine (Pinus contorta Douglas), Douglas-fir (Pseudotsuga…
Author(s): Curtis A. Gray, Chelsea Toone, Michael J. Jenkins, Sarah E. Null, Larissa L. Yocom
Year Published: