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The globe is struggling with concurrent planetary health emergencies: COVID-19 and wildfires worsened by human activity. Unfortunately, a lack of awareness of climate change as a health issue, as well as of the interconnections between biodiversity…
Author(s): Attila J. Hertelendy, Courtney Howard, Roberto de Almeida, Kate Charlesworth, Lwando Maki
Year Published:

A physics/chemistry-based numerical model for predicting the emission of fine particles from wildfires is proposed. This model implements the fundamental mechanisms of soot formation in a combustion environment: soot nucleation, surface growth,…
Author(s): Alexander J. Josephson, Daniel Castaño, Eunmo Koo, Rodman Linn
Year Published:

The year 2020 brought unimaginable challenges in public health, with the confluence of the COVID-19 pandemic and wildfires across the western United States. Wildfires produce high levels of fine particulate matter (PM2.5). Recent studies reported…
Author(s): Xiaodan Zhou, Kevin Josey, Leila Kamareddine, Miah C. Caine, Tianjia Liu, Loretta J. Mickley, Matthew Cooper, Francesca Dominici
Year Published:

Wildfire emissions affect downwind air quality and human health. Predictions of these impacts using models are limited by uncertainties in emissions and chemical evolution of smoke plumes. Using high-time-resolution aircraft measurements, we…
Author(s): Brett B. Palm, Qiaoyun Peng, Samuel R. Hall, Kirk Ullmann, Teresa L. Campos, Andrew J. Weinheimer, Denise D. Montzka, Geoffrey S. Tyndall, Wade Permar, Lu Hu, Frank Flocke, Emily V. Fischer, Joel A. Thornton
Year Published:

The wildland firefighter exposure and health effect (WFFEHE) study was a 2-year repeated-measures study to investigate occupational exposures and acute and subacute health effects among wildland firefighters. This manuscript describes the study…
Author(s): Kathleen M. Navarro, Corey Butler, Kenneth Fent, Christine Toennis, Deborah Sammons, Alejandra Ramirez-Cardenas, Kathleen A. Clark, David C. Byrne, Pamela S. Graydon, Christa Hale, Andrea F. Wilkinson, Denise L. Smith, Marissa C. Alexander-Scott, Lynne E. Pinkerton, Judith Eisenberg, Joseph W. Domitrovich
Year Published:

Objectives: To determine the impact of bushfires on children’s physical activity. Design: Natural experiment comparing device-measured physical activity and air quality index data for schools exposed and not exposed to the Australian bushfires.…
Author(s): Borjadel Pozo Cruz, Timothy B. Hartwig, Taren Sanders, Michael Noetel, Philip Parker, Devan Antczak, Jane Lee, David R. Lubans, Adrian Bauman, Ester Cerin, Chris Lonsdale
Year Published:

Western North American fires have been increasing in magnitude and severity over the last few decades. The complex coupling of fires with the atmospheric energy budget and meteorology creates short-term feedbacks on regional weather altering the…
Author(s): Diana N. Bernstein, Douglas S. Hamilton, Rosalie Krasnoff, Natalie M. Mahowald, David S. Connelly, Simone Tilmes, Peter G. M. Hess
Year Published:

As anthropogenic emissions continue to decline and emissions from landscape (wild, prescribed, and agricultural) fires increase across the coming century, the relative importance of landscape-fire smoke on air quality and health in the United States…
Author(s): Katelyn O'Dell, Kelsey Bilsback, Bonne Ford, Sheena E. Martenies, Sheryl Magzamen, Emily V. Fischer, Jeffrey R. Pierce
Year Published:

Wildland fires can emit substantial amounts of air pollution that may pose a risk to those in proximity (e.g., first responders, nearby residents) as well as downwind populations. Quickly deploying air pollution measurement capabilities in response…
Author(s): Matthew S. Landis, Russell W. Long, Jonathan Krug, Maribel Colón, Robert Vanderpool, Andrew Habel, Shawn P. Urbanski
Year Published:

Exposure to wildfire smoke continues to be a growing threat to public health, yet the chemical components in wildfire smoke that primarily drive toxicity and associated disease are largely unknown. This study utilized a suite of computational…
Author(s): Julia E. Rager, Jeliyah Clark, Lauren A. Eaves, Vennela Avula, Nicole M. Niehoff, Yong Ho Kim, Ilona Jaspers, M. Ian Gilmour
Year Published:

Numerous studies have linked outdoor levels of PM2.5, PM10, NO2, O3, SO2, and other air pollutants to significantly higher rates of Covid 19 morbidity and mortality, although the rate in which specific concentrations of pollutants increase Covid 19…
Author(s): Luke Curtis
Year Published:

The destructive wildfires that occurred recently in the western US starkly foreshadow the possible future of forest ecosystems and human communities in the region. With increases in the area burned by severe wildfire in seasonally dry forests…
Author(s): Scott L. Stephens, Anthony L. Westerling, Matthew D. Hurteau, M. Zachariah Peery, Courtney Schultz, Sally Thompson
Year Published:

Globally, wildfires are increasing in frequency and severity, exposing populations to toxic trace elements stored within forests. Trace element and Pb isotope compositions in aerosols (n = 87) from four major wildfires near Sydney, Australia (1994-…
Author(s): Cynthia F. Isley, Mark Patrick Taylor
Year Published:

Key points -Wildland firefighters do not wear respiratory protection while working long hours and can be exposed to elevated concentrations of smoke. -There is very limited research on long-term health of wildland firefighters from smoke exposure…
Author(s): Kathleen M. Navarro
Year Published:

In recent decades, as wildland fire occurrence has increased in the United States, concern about the emissions produced by wildland fires has increased as well. This growing concern is evidenced by an increase in scientific articles investigating…
Author(s): Heath D. Starns, Douglas R. Tolleson, Robert J. Agnew, Elijah G. Schnitzler, John R. Weir
Year Published:

Particulate matter with aerodynamic diameter < 2.5 μm (PM2.5) is one of the main pollutants generated in wildfire events with negative impacts on human health. In research involving wildfires and air quality, it is common to use emission models.…
Author(s): Joseph Sánchez-Balseca, Agustí Pérez-Foguet
Year Published:

Pioneering networks of cameras that can search for wildland fire signatures have been in development for some years (High Performance Wireless Research & Education Network-HPWREN cameras and the ALERT Wildfire camera). While these cameras have…
Author(s): Kinshuk Govil, Morgan L. Welch, Timothy Ball, Carlton R. Pennypacker
Year Published:

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:

Leader-and-follower behaviour is one of the most important behaviours during evacuation, as determining the effect of leader-and-follower behaviour in social networks on crowd evacuation during emergency situations is important for enhancing safety…
Author(s): Ning Ding, Chang Sun
Year Published:

Wildland firefighters are directly exposed to elevated levels of wildland fire (WF) smoke. Although studies demonstrate WF smoke exposure is associated with lung function changes, few studies that use invasive sample collection methods have been…
Author(s): Chieh-Ming Wu, Anna M. Adetona, Chi Song, Luke P. Naeher, Olorunfemi Adetona
Year Published: