Tag Archives: wildfire

AI-powered vision reveals wildfire movements; invasive grasses could turn burn scars Into next wildfire; The Structure of Smoke art exhibition (January 9 – April 12, 2026)

Watching a wildfire in British Columbia (BC),

Caption: The McDougall Creek wildfire burns near Okanagan Lake in British Columbia, Canada, in August 2023. Credit: UBC [University of British Columbia] Okanagan

I believe that 2026 is expected to be another banner year for fires in British Columbia and elsewhere. I have two research papers and, at the end of this posting, an art exhibition all of them concerning fire.

A December 3, 2025 University of British Columbia at Okanagan (UBCO) news release (also on EurekAlert), Note: Links have been removed,

How wildfires spread is more variable and unpredictable than Canada’s standard models assume, new research from UBC Okanagan data scientists shows. 

Ladan Tazik, lead author of a new study in Fire and UBC Okanagan doctoral student, used advanced computer vision tools to capture fire behaviour with a level of detail that wasn’t possible even a few years ago.  

Her work sheds light on the random elements of fire movement—information that could reshape how fire behaviour is modelled and forecasted in an era of worsening wildfire seasons. 

“Image processing techniques let us quantify fire behaviour in real time, including the parts that don’t follow consistent patterns,” says Tazik“By capturing the randomness in how fires spread, we can build models that better reflect reality and help improve decision-making during active fire events.” 

Tazik led the design, analysis and modelling that form the backbone of the study.  

She used the “Segment Anything Model”, a state-of-the-art AI tool, to extract fire perimeters from experimental burn videos frame by frame to study fire spread dynamics.  

This allowed her to study directional fire spread on sloped terrain without assuming the fire behaves predictably or spreads in a simple line. 

Her analysis confirmed something firefighters may know instinctively: fires race uphill. But when she compared her measurements with the values used in Canada’s official Fire Behaviour Prediction System, the numbers didn’t always line up.  

Real fires often moved faster, and the influence of slope wasn’t consistent from place to place. 

She tested the method on ponderosa pine and Douglas fir fuels often used in fire research. 

This highlights that small differences in fuel, wind and terrain can add to the unpredictability of fire and introduce important variations in how it spreads.  

Even under nearly identical conditions, the flames didn’t behave the same way twice. 

In practical terms, that means most fire spread is shaped by randomness—far more than today’s deterministic models capture. 

“These results show that we need to pair every spread estimate with a measure of uncertainty,” Tazik explains. “Simply multiplying by a slope factor isn’t enough. Fire is dynamic, and our models should acknowledge that.” 

Research supervisor Dr. W. John Braun says the project demonstrates how emerging computer vision tools can transform wildfire science.  

“Tazik proposed innovative ways to tackle this difficult modelling problem,” he says. “Her work shows how high-resolution perimeter data and advanced modelling can help us understand the real variability in fire behaviour. That’s essential if we want to move toward more probabilistic, data-driven prediction systems.” 

The study also included contributions from Dr. John R.J. Thompson, Assistant Professor of Data Science, Mathematics and Statistics, as well as other partners who provided the experimental and field video datasets.  

While the fuel experiments supported the research, Tazik alone led the segmentation and modelling components. 

Tazik says the next step is to expand the approach to more fuel types and fire conditions and use airborne or satellite imagery to study fire spread dynamics.  

With more Earth observation and remote sensing tools available, she sees an opportunity to build models that better capture wildfire dynamics while embracing the inherent uncertainty of fire, rather than smoothing it away. 

“Fires don’t behave perfectly,” she says. “Our tools shouldn’t pretend they do.” 

Here’s a link to and a citation for the paper,

Stochastic Behaviour of Directional Fire Spread: A Segmentation-Based Analysis of Experimental Burns by Ladan Tazik, Willard J. Braun, John R. J. Thompson, and Geoffrey Goetz. Fire 2025, 8(10), 384; DOI: https://doi.org/10.3390/fire8100384 Published: 25 September 2025

This paper is open access.

Next up,

Invasive grasses

What happens after a wildfire can be dangerous according to a March 19, 2026 University of British Columbia (UBC) news release (also on EurekAlert), Note: Links have been removed,

After a wildfire, the flames may fade, but the danger does not. A new study by UBC researchers reveals that burned landscapes remain vulnerable for years, with large areas still bare and at risk of invasion by fast-growing, fire-prone grasses.

The research, one of the largest vegetation trajectory studies in the world, monitored landscapes two years after major wildfires in interior B.C. While some native plants returned, recovery was slower and more fragile than expected.

One of the most pressing concerns is invasive grasses, which germinate early in spring, dry out during the hottest months, and act as dry runways that spread flames at highway speed—a dynamic that contributed to the 2023 Lahaina fire in Maui and is increasingly likely in B.C.’s Interior.

“Areas that looked like post-apocalyptic ground right after the fire are now blanketed in cheatgrass. Once you can see the invasion, the opportunity for rapid response may already be gone,” said Dr. Jennifer Grenz, senior author and restoration ecologist and a member of Lytton First Nation.

Published in Fire Ecology, the study examined vegetation recovery two years after the 46,000-hectare McKay Creek wildfire near Lillooet, conducted in partnership with six Northern St’át’imc communities on whose territory the fire burned. It was made possible by years of pre-fire invasive plant monitoring collected by the Lillooet Regional Invasive Species Society in collaboration with the BC Provincial Invasive Plant Program and local Indigenous communities—rare baseline data that allowed the team to test long-held assumptions about post-fire invasion.

Elevation plays a critical role in recovery

The analysis showed a clear elevation trend in post-fire plant recovery. At lower elevations, where conditions are hotter, drier and more accessible to human activity, drought-tolerant invasive species quickly gain a foothold. Heavy traffic from hikers, ATVs [all terrain vehicles], hunters and road maintenance equipment continually introduces new seeds, giving invaders like cheatgrass little competition in the valley bottoms.

Moving upslope, cooler temperatures and lingering moisture create less favourable conditions for invasive species. Here, native shrubs are beginning to regenerate, slowing the advance of non-native plants. Recovery is still slow, but native vegetation is re‑emerging where roots survived the fire.

“In a new era of mega-fires, understanding where and how vegetation recovers could determine the intensity of the next wildfire,” said Dr. Grenz.

Controlling invasive plants

With post-fire restoration resources limited, the researchers highlight three actions that could substantially reduce risk: vehicle and boot washing stations at fire access points to slow seed spread; targeted seeding or planting of native species along roads and high-risk corridors; and early herbicide treatment of small infestations before they expand.

The team plans to continue tracking recovery trends to help communities and land managers make informed decisions.

“A landscape left to invasive grasses after one fire becomes more likely to burn again,” said Virginia Oeggerli, a PhD student in Dr. Grenz’s lab who led the study. “Recovery is part of prevention.”

Here’s a link to and a citation for the paper,

Factors influencing early post-wildfire vegetation and implications for invasive plant management in the interior of British Columbia, Canada by Virginia V. Oeggerli, Tara G. Martin, Suzanne W. Simard & Jennifer Grenz. fire ecol (2026). DOI: https://doi.org/10.1186/s42408-026-00463-x Published: 05 March 2026

This paper is open access.

Smoke, fire, and an art exhibit

The mention of death and rebirth give this exhibition a timely quality during the Easter 2026 season. Oddly with an art exhibition titled, “The Structure of Smoke” at the University of British Columbia’s Morris and Helen Belkin Art Gallery doesn’t include some participation from the university’s faculty of forestry and environmental stewardship (FES).

Here’s more about The Structure of Smoke from the Belkin Gallery’s exhibition page, Note: This is written for an academic arts audience and not the average punter (i.e., someone like me)

Through the lens of contemporary artists’ engagement with the metaphorical and literal processes of fire and the spaces it creates and displaces, The Structure of Smoke includes works that problematize the poetic, structural and political aspects of fire. These works complicate the inherent contradictions of wildness and domestication, technological progress and social control, colonial conditions, rebirth and death [emphasis mine]. Holding a smoked mirror to contemporary society, the works in this exhibition offer ways to undo the familiar in how we approach our uncertain future.

Speculative in nature, The Structure of Smoke is associative, contextual and driven by artistic practices that disturb existing power relations and question their own conditions and structures. With a focus on ecologies, interconnectedness and relationality the works and curatorial premise consider relating to land, community, family and wildfire ecologies including the non-human. As we have seen with the migration of smoke across the globe and the birth of a regular fire season, the ways in which we live with fire require new strategies that embrace specific Indigenous and ecological knowledges and the ability to develop relations with fire beyond the spectacle and devastation of its impacts.

[These artists are represented:

asinnajaq, Geoffrey Farmer, Amber Frid-Jimenez, Art Hunter, Brian Jungen,
Heraa Khan, Germaine Koh, Evan Lee, Jeneen Frei Njootli, Other Sights,
Pratchaya Phinthong, Susan Point, Samuel Roy-Bois, Kathy Slade,
Laura Wee Láy Láq and Lawrence Paul Yuxweluptun]

The Structure of Smoke is curated by Melanie O’Brian and Tania Willard and made possible with the generous support of the Canada Council for the Arts, the Province of British Columbia through the BC Arts Council and our Belkin Curator’s Forum members.

The Structure of Smoke handout (PDF) features the artists and the work represented in the show.

There are two events left on the calendar (other than the exhibition itself), from the Belkin Gallery’s exhibition page,

Wednesday, 8 Apr 2026 at 2 pm

Concert at the Belkin: The Structure of Smoke

Join us on Wednesday, 8 April 2026 at 2 pm for a concert by UBC School of Music Contemporary Players inspired by the current exhibition, The Structure of Smoke. Led by Director Paolo Bortolussi with support from Joanne Na, this graduate and undergraduate student ensemble from the UBC School of Music will animate the gallery for an afternoon program celebrating themes and responding to chosen works from this exhibition.

All are welcome and admission is free.

Saturday, 11 Apr 2026, 10 am to 4 pm

Room 105, Lasserre Building, 6333 Memorial Road, UBC

RSVP / Tickets

Gathering: Smoke Forecast

Please join us for Smoke Forecast,  a one-day gathering that foregrounds artistic, embodied and community-engaged practices to approach fire and climate justice. Contextualized by the Belkin’s current exhibition The Structure of Smoke, which problematizes the poetic, structural and political aspects of fires through the work of sixteen contemporary artists, Smoke Forecast will begin from our own experiences in the places we call home, and our felt connections to place and each other. Can we tap into artistic, bodily and otherwise knowledges and community connections to weather the crises on our doorstep, together?

Seeking to complicate the contradictions of wildness and domestication, shelter and vulnerability, technological progress and social control, the gathering will engage arts-based methodologies for developing richer climate change knowledges, where community members are also co-producers of this knowledge.

The day will include two panels, a walkshop, lunch and an exhibition tour with artists, theorists and community practitioners to highlight ecological and Indigenous knowledges on wildfire in a time of climate change.

Smoke Forecast is free and open to all, but space is limited. Please RSVP by 7 April 2026.

Program

10 am: Welcome

10:15-11:15 am: Wildfire, Smoke, Creativity and Grief Taylor Baptiste, Clint Burnham and Liz Toohey-Wiese, moderated by Amy Harris

11:30 am-1 pm: Forest/Weather: A Climate Justice Walkshop
Elee Kraljii Gardiner, Astrida Neimanis, χʷəy̓χʷiq̓tən/ Audrey Siegl and Ruby Singh
Please dress for the weather; while the walk will be slow and gentle, it will be outdoors

1-2 pm: Lunch

2-3 pm: Developer Lightning Lorna Brown, Amber Frid-Jimenez and Samuel Roy-Bois, moderated by Melanie O’Brian

3 pm: Exhibition Tour
Curatorial tour of The Structure of Smoke at the Belkin with Melanie O’Brian and Tania Willard

Smoke Forecast is organized by the Belkin, Astrida Neimanis and Amy Harris, with additional support from the Pacific Institute for Climate Solutions, the UBC Centre for Climate Justice and the UBC Department of Art History, Visual Art and Theory.

Morris and Helen Belkin Art Gallery
University of British Columbia
1825 Main Mall
Vancouver, British Columbia,
Canada V6T 1Z2 Map
xʷməθkʷəy̍əm | Musqueam Territory

Contact

Telephone: +1 (604) 822-2759
Email: belkin.gallery@ubc.ca

Happy Easter! Joyeuses Pâques!

Sprayable gels could protect buildings during wildfires

This seems like a good idea especially for those of us who live in areas where wildfires have become commonplace, from an August 22, 2024 news item on ScienceDaily,

As climate change creates hotter, drier conditions, we are seeing longer fire seasons with larger, more frequent wildfires. In recent years, catastrophic wildfires have destroyed homes and infrastructure, caused devastating losses in lives and livelihoods of people living in affected areas, and damaged wildland resources and the economy. We need new solutions to fight wildfires and protect areas from damage.

Researchers at Stanford have developed a water-enhancing gel that could be sprayed on homes and critical infrastructure to help keep them from burning during wildfires [emphasis mine]. The research, published Aug. 21 [2024] in Advanced Materials, shows that the new gels last longer and are significantly more effective [emphasis mine] than existing commercial gels.

An August 21, 2024 Stanford University news release (also on EurekAlert but published August 22, 2024), which originated the news item, delves further into the research, Note: Links have been removed,

“Under typical wildfire conditions, current water-enhancing gels dry out in 45 minutes,” said Eric Appel, associate professor of materials science and engineering in the School of Engineering, who is senior author of the paper. “We’ve developed a gel that would have a broader application window – you can spray it further in advance of the fire and still get the benefit of the protection – and it will work better when the fire comes.

Long-lasting protection

Water-enhancing gels are made of super-absorbent polymers – similar to the absorbent powder found in disposable diapers. Mixed with water and sprayed on a building, they swell into a gelatinous substance that clings to the outside of the structure, creating a thick, wet shield. But the conditions in the vicinity of a wildfire are extremely dry – temperatures can be near 100 degrees, with high winds and zero percent humidity – and even water locked in a gel evaporates fairly quickly.

In the gel designed by Appel and his colleagues, the water is just the first layer of protection. In addition to a cellulose-based polymer, the gel contains silica particles, which get left behind when the gels are subjected to heat. “We have discovered a unique phenomenon where a soft, squishy hydrogel seamlessly transitions into a robust aerogel shield under heat, offering enhanced and long-lasting wildfire protection. This environmentally conscious breakthrough surpasses current commercial solutions, offering a superior and scalable defense against wildfires,” said the lead author of the study, Changxin “Lyla” Dong.

“When the water boils off and all of the cellulose burns off, we’re left with the silica particles assembled into a foam,” Appel said. “That foam is highly insulative and ends up scattering all of the heat, completely protecting the substrate underneath it.”

The silica forms an aerogel – a solid, porous structure that is a particularly good insulator. Similar silica aerogels are used in space applications because they are extremely lightweight and can prevent most methods of heat transfer.

The researchers tested several formulations of their new gel by applying them to pieces of plywood and exposing them to direct flame from a gas hand-torch, which burns at a considerably higher temperature than a wildfire. Their most effective formulation lasted for more than 7 minutes before the board began to char. When they tested a commercially available water-enhancing gel in the same way, it protected the plywood for less than 90 seconds.

“Traditional gels don’t work once they dry out,” Appel said. “Our materials form this silica aerogel when exposed to fire that continues to protect the treated substrates after all the water has evaporated. These materials can be easily washed away once the fire is gone.”

A serendipitous discovery

The new gels build off of Appel’s previous wildfire prevention work. In 2019, Appel and his colleagues used these same gels as a vehicle to hold wildland fire retardants on vegetation for months at a time. The formulation was intended to help prevent ignition in wildfire-prone areas.

“We’ve been working with this platform for years now,” Appel said. “This new development was somewhat serendipitous – we were wondering how these gels would behave on their own, so we just smushed some on a piece of wood and exposed it to flames from a torch we had laying around the lab. What we observed was this super cool outcome where the gels puffed up into an aerogel foam.”

After that initial success, it took several years of additional engineering to optimize the formulation. It is now stable in storage, easily sprayable with standard equipment, and adheres well to all kinds of surfaces. The gels are made of nontoxic components that have already been approved for use by the U.S. Forest Service, and the researchers conducted studies to show that they are easily broken down by soil microbes.

“They’re safe for both people and the environment,” Appel said. “There may need to be additional optimization, but my hope is that we can do pilot-scale application and evaluation of these gels so we can use them to help protect critical infrastructure when a fire comes through.”


Here’s a link to and a citation for the paper,

Water-Enhancing Gels Exhibiting Heat-Activated Formation of Silica Aerogels for Protection of Critical Infrastructure During Catastrophic Wildfire by Changxin Dong, Andrea I. d’Aquino, Samya Sen, Ian A. Hall, Anthony C. Yu, Gabriel B. Crane, Jesse D. Acosta, Eric A. Appel. Advanced Materials DOI: https://doi.org/10.1002/adma.202407375 First published online: 21 August 2024

This paper is open access.