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Displaying 1221 - 1240 of 5673

Background: Exposure to fine particulate matter ( PM2.5 ) during wildfire seasons has been associated with adverse health outcomes. Previous studies have focused on daily exposure, but PM2.5 levels in smoke events can vary considerably within 1 d.…
Author(s): Jiayun Yao, Michael Brauer, Julie Wei, Kimberlyn M. McGrail, Fay H. Johnston, Sarah B. Henderson
Year Published:

In this study, we use simulations from seven global vegetation models to provide the first multi‐model estimate of fire impacts on global tree cover and the carbon cycle under current climate and anthropogenic land use conditions, averaged for the…
Author(s): Gitta Lasslop, Stijn Hantson, Sandy P. Harrison, Dominique Bachelet, Chantelle Burton, Matthias Forkel, Matthew Forrest, Fang Li, Joe R. Melton, Chao Yue, Sally Archibald, Simon Scheiter, Almut Arneth, Thomas Hickler, Stephen Sitch
Year Published:

Understanding the soil heat and moisture transport is significant for assessing the living condition of vegetation and microorganisms in soils. Numerous studies have been conducted to understand the coupled soil heat and moisture transport under '…
Author(s): Ting Bao, Si Liu, Yinghong Qin, Zhen Liu
Year Published:

Stand-replacing fires burned at 100 to 300-year intervals for millennia in subalpine conifer forests of western North America, but forests are burning more frequently as climate warms. Postfire tree regeneration is reduced when young forests reburn…
Author(s): Tyler J. Hoecker, Winslow D. Hansen, Monica G. Turner
Year Published:

Once dominant but now largely excluded from eastern North America, open forests of savannas to woodlands occupy the ecosystem gradient between grasslands and closed forests. These fire-maintained systems differ in structure, processes, and species…
Author(s): Brice B. Hanberry, Don C. Bragg, Heather D. Alexander
Year Published:

Large wildfires can have profound and lasting impacts not only from direct consumption of vegetation but also longer‐term effects such as persistent soil erosion. The 2002 Hayman Fire burned in one of the watersheds supplying water to the Denver…
Author(s): Peter R. Robichaud, Sarah A. Lewis, Joseph W. Wagenbrenner, Robert E. Brown, Frederick B. Pierson
Year Published:

Stream drying and wildfire are projected to increase with climate change in the western United States, and both are likely to impact stream chemistry patterns and processes. To investigate drying and wildfire effects on stream chemistry (carbon,…
Author(s): Ruth B. MacNeille, Kathleen A. Lohse, Sarah E. Godsey, Julia N. Perdrial, Colden V. Baxter
Year Published:

Introduction: Wildland firefighters (WLFF) work long hours in extreme environments, resulting in high daily total energy expenditure. Increasing work-shift eating episodes and/or providing rations that promote convenient eating has shown augmented…
Author(s): Alexander N. Marks, Joseph A. Sol, Joseph W. Domitrovich, Molly West, Brent Ruby
Year Published:

Increasingly, scholars have sought to understand the role of collective action across property boundaries to address natural resource management challenges. Although the growing focus on collective action for natural resource management has led to…
Author(s): Rebecca M. Niemiec, Sarah M. McCaffrey, Megan S. Jones
Year Published:

Boreal forest and tundra biomes are key components of the Earth system because the mobilization of large carbon stocks and changes in energy balance could act as positive feedbacks to ongoing climate change. In Alaska, wildfire is a primary driver…
Author(s): Tyler J. Hoecker, Philip E. Higuera, Ryan Kelly, Feng Sheng Hu
Year Published:

Wildfires can have severe and lasting impacts on the water quality of aquatic ecosystems. However, our understanding of these impacts is founded primarily from studies of small watersheds with well-connected runoff regimes. Despite the predominance…
Author(s): Craig A. Emmerton, Colin A. Cooke, Sarah Hustins, Uldis Silins, Monica B. Emelko, Ted Lewis, Mary K. Kruk, Nadine Taube, Dongnan Zhu, Brian Jackson, Micheal Stone, Jason G. Kerr, John F. Orwin
Year Published:

To better understand the implications of the word resilience for western forest and fire management, this study explores its emerging use in a large body of policy and management documents produced between 1980 and 2016. We performed a computer-…
Author(s): Owen A. Selles, Adena R. Rissman
Year Published:

Potential impacts of soil temperatures in a post-fire environment were examined for seeds of legume species with a physical seed dormancy typically found in the eucalypt communities in eastern Australia. Soil temperatures in a post-fire environment…
Author(s): Sarah J. Hill, Tony D. Auld
Year Published:

Background: Wildfires in the Pacific Northwest (Washington, Oregon, Idaho, and western Montana, USA) have been immense in recent years, capturing the attention of resource managers, fire scientists, and the general public. This paper synthesizes…
Author(s): Jessica E. Halofsky, David L. Peterson, Brian J. Harvey
Year Published:

Historically open oak and pine savannas and woodlands have transitioned to closed forests comprised of increased numbers of tree species throughout the eastern United States. We reviewed evidence for and against a suite of previously postulated…
Author(s): Brice B. Hanberry, Marc D. Abrams, Mary A. Arthur, J. Morgan Varner
Year Published:

Air pollution with PM2.5 (particulate matter smaller than 2.5 micro-metres in diameter) is a major health hazard in many cities worldwide, but since measuring instruments have traditionally been expensive, monitoring sites are rare and generally…
Author(s): Hugh Forehead, Johan Barthelemy, Bilal Arshad, Nicolas Verstaevel, Owen F. Price, Pascal Perez
Year Published:

Natural disastrous events are part and parcel of our times and do occur when we least expect it to strike us. Disasters which take place in the vicinity of human livelihood due to natural causes, such as forest fires, tsunami, earthquakes, floods,…
Author(s): Aditya Dhall, Akash Dhasade, Mohan Raj V.K., Vinay Kulkarni
Year Published:

Site-specific information concerning fuel hazard characteristics is needed to support wildfire management interventions and fuel hazard reduction programs. Currently, routine visual assessments provide subjective information, with the resulting…
Author(s): Luke Wallace, Bryan Hally, Samuel Hillman, Simon D. Jones, Karin J. Reinke
Year Published:

Daily Fire Weather Index (FWI) System components calculated from the NASA Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2), are compared to FWI calculations from a global network of weather stations over 2004–2018…
Author(s): Robert Field
Year Published:

Wildfires are a serious threat to ecosystems and human life. Usually, smoke is generated before the flame, and due to the diffusing nature of the smoke, we can detect smoke from a distance, so wildfire smoke detection is especially important for…
Author(s): Guodong Zhu, Zhenxue Chen, Chengyun Liu, Xuewen Rong, Weikai He
Year Published: