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Ecosystem

Displaying 241 - 260 of 5894 results

Fire is an important component of many forest ecosystems, yet climate change is now modifying fire regimes all over the world, driving a need to understand the impact of fires on the physical and biological processes. In 2022, Elsevier launched a…
Author(s): Liubov Volkova, María Elena Fernández
Year Published:

Understanding human behaviour in fires (HBiF), whether in building or wildland fire contexts, is crucial for saving lives and managing evacuations. However, existing research lacks a comprehensive analysis of HBiF knowledge from both perspectives.…
Author(s): Milad Haghani, Ruggiero Lovreglio, Mary Langridge Button, Enrico Ronchi, Erica D. Kuligowski
Year Published:

Background: Accurate estimates of available live crown fuel loads are critical for understanding potential wildland fire behavior. Existing crown fire behavior models assume that available crown fuels are limited to all tree foliage and half of the…
Author(s): Elliot T. Conrad, William Matt Jolly, Tegan P. Brown, Samuel Hillman
Year Published:

Background There is an ongoing need for improved understanding of wildfire plume dynamics. Aims To improve process-level understanding of wildfire plume dynamics including strong (>10 m s−1) fire-generated winds and pyrocumulus (pyroCu)…
Author(s): Neil P. Lareau, Craig B. Clements, Adam K. Kochanski, Taylor Aydell, Andrew T. Hudak, T. Ryan McCarley, Roger D. Ottmar
Year Published:

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…
Author(s): Mohamed Mohsen Ahmed, Arnaud Trouve, Jason M. Forthofer, Mark A. Finney
Year Published:

Background When firefighters evacuate from wildfires, escape routes are crucial safety measures, providing pre-defined pathways to a safety zone. Their key evaluation criterion is the time it takes for firefighters to travel along the planned escape…
Author(s): Junhao Sheng, Xingdong Li, Xinyu Wang, Yangwei Wang, Sanping Li, Dandan Li, Shufa Sun, Lijun Zhao
Year Published:

We find that wildfire are part of a distinct temporal pattern of soil moisture, vegetation water content and atmospheric dryness dynamics that begin about 5 months before the incidents. We analyze anomalies in soil moisture, vegetation water…
Author(s): Mohammad Reza Alizadeha, Jan F. Adamowski, Dara Entekhabi
Year Published:

[Executive Summary] State, federal, tribal, and local government and non-profit partners in Washington have identified that prescribed fire – fire set by trained practitioners, under specific fuel, weather, and topographic conditions to simulate…
Author(s): Washington State Department of Natural Resources
Year Published:

Communities interspersed throughout the Canadian wildland are threatened by fires that have become bigger and more frequent in some parts of the country in recent decades. Identifying the fireshed (source area) and pathways from which wildland fire…
Author(s): Xianli Wang, Tom Swystun, Colin B. McFayden, Sandy Erni, Jacqueline Oliver, Stephen W. Taylor, Michael D. Flannigan
Year Published:

Background Wildfire is a major proximate cause of historical and ongoing losses of intact big sagebrush (Artemisia tridentata Nutt.) plant communities and declines in sagebrush obligate wildlife species. In recent decades, fire return intervals have…
Author(s): Martin C. Holdrege, Daniel Schlaepfer, Kyle Palmquist, Michele R. Crist, Kevin E. Doherty, William Lauenroth, Thomas E. Remington, Karin Riley, Karen C. Short, John C. Tull, Lief A. Wiechman, John B. Bradford
Year Published:

Background The record number of wildfires in the United States in recent years has led to an increased focus on developing tools to accurately forecast their impacts at high spatial and temporal resolutions. Aims The Warn-on-Forecast System for…
Author(s): Thomas Jones, Ravan Ahmadov, Eric James, Gabriel Pereira, Saulo Freitas, Georg Grell
Year Published:

Wildland fire is a major global driver in the exchange of aerosols between terrestrial environments and the atmosphere. This exchange is commonly quantified using emission factors or the mass of a pollutant emitted per mass of fuel burned. However,…
Author(s): Leda N. Kobziar, Phinehas Lampman, Ali Tohidi, Adam K. Kochanski, Antonio Cervantes, Andrew T. Hudak, T. Ryan McCarley, Brian K. Gullett, Johanna Aurell, Rachel Moore, David C. Vuono, Brent C. Christner, Adam C. Watts, James Cronan, Roger D. Ottmar
Year Published:

The development of a high-quality wildfire occurrence model is an essential component in mapping present wildfire risk, and in projecting future wildfire dynamics with climate and land-use change. Here, we develop a new model for predicting the…
Author(s): Theodore Keeping, Sandy P. Harrison, Iain Colin Prentice
Year Published:

Trees use nonstructural carbohydrates (NSCs) to support many functions, including recovery from disturbances. However, NSC’s importance for recovery following fire and whether NSC depletion contributes to post-fire delayed mortality are largely…
Author(s): Charlotte C. Reed, Sharon M. Hood
Year Published:

Amidst the increasing frequency and severity of forest fires globally, the imperative of effective post-fire forest restoration has gained unprecedented significance. This study outlines a comprehensive approach to post-fire forest restoration and…
Author(s): Rahaf Ahmad Alayan, Zoltán Lakner
Year Published:

Wildfires in forested ecosystems are increasing in severity and extent. The adaptations many plants have acquired in response to their natural fire regime may not be sufficient to allow some species to persist. This could impact the forest…
Author(s): Emily Duivenvoorden, Benjamin Wagner, Craig R. Nitschke, Sabine Kasel
Year Published:

Extreme wildfire is an increasing threat to lives, property, and ecosystems across the United States and many parts of the world. Family forest owners (FFOs) own a large percentage of forestland in the United States, and actions and behaviors on…
Author(s): Sarah M. Butler, Brett J. Butler, Emma M. Sass
Year Published:

Quaking aspen (Populus tremuloides Michx.) stands throughout the western United States provide valuable ecosystem services but can be lost via succession from aspen to conifer. Forest managers are cutting conifers, but disposal of cut wood can be…
Author(s): John-Pascal Berrill, Christa M. Dagley, Yoon G. Kim, J. Morgan Varner
Year Published:

Background: As fire regimes are changing and wildfire disasters are becoming more frequent, the term megafire is increasingly used to describe impactful wildfires, under multiple meanings, both in academia and popular media. This has resulted in a…
Author(s): Cathelijine Stoof, Jasper R. de Vries, Marc Castellnou Ribau, María Fernandez-Fernandez, David Flores, Julissa Galarza Villamar, Nick Kettridge, Desmond Lartey, Peter F. Moore, Fiona Newman-Thacker, Susan J. Prichard, Pepijn Tersmette, Sam Tuijtel, Ivo Verhaar, Paulo M. Fernandes
Year Published:

The traditional storage method of fire accident cases is mainly in the form of text, and it is difficult to effectively conduct comprehensive analysis due to the limited ability to display key information and fire knowledge. In this paper, a…
Author(s): Jun Hu, Xueming Shu, Xuecai Xie, Xiaoyong Ni, Yongsheng Yang, Shifei Shen
Year Published: