海角社区

海角社区 Civil & Environmental Engineering Professor Studying Funding Models for Wildfire Prevention

September 23, 2024
Matt Brand and Luke Mangney

BATON ROUGE, LA 鈥 Much like hurricane season in Louisiana, California deals with its own annual period of climate catastrophe during wildfire season, which typically runs from May or June until October or November. Restoration efforts can reduce the risk of wildfires, but restoration costs are high and often prohibit the landscape-scale restoration efforts needed for risk reduction.

海角社区 Civil and Environmental Engineering Assistant Professor Matthew Brand is working to address this by analyzing the expected impacts from restoration on runoff, erosion, and management costs borne by the Riverside County Flood Control District in Riverside, Calif. The ultimate goal of the project is to demonstrate the value of upstream restoration activities鈥攁ctivities that reduce the risk of wildfire within a watershed鈥攖o flood control districts, eventually leading to a Forest Resilience Bond (FRB) for the region.

Developed by Blue Forest in partnership with the World Resources Institute, USDA Forest Service, and the National Forest Foundation, the FRB deploys private capital to finance forest restoration projects to reduce the risk of catastrophic wildfire. Understanding the value of upstream restoration activities is critical for FRB success in the Cleveland National Forest.

鈥淯pstream restoration activities鈥an include things such as removing smaller, flammable brush; controlled burns which remove small brush and debris without burning larger trees; and, what will likely be the largest in our case, creating armored corridors in high-risk locations,鈥 Brand said. 鈥淎rmoring involves removing flammable material from within a certain buffer distance from the road. There is a major road that many people use in the Cleveland National Forest (Ortega Highway), which is a hotspot for human-caused ignition sources from cars, cigarettes, etc.

鈥淭he wildfire destroys the vegetation which was stabilizing the soil, and then when it rains, it causes mass hillslope failure and other types of erosion, which results in debris flows and rapid infilling of debris basins and flood control channels, greatly increasing flood risks.鈥

Forest post-wildfire
Photo courtesy of Blue Forest

Working alongside Brand on this project are the science team from non-profit Blue Forest, Co-Founder and Chief Scientist Phil Saksa and Director of Science Strategy Tessa Maurer; Ariane Jong-Levinger, a postdoctoral scholar at Chapman University; Luke Mangney, a graduate student in Brand鈥檚 lab; Riverside County Flood District; and the Cleveland National Forest.

鈥淸Dr. Jong-Levinger鈥檚] work looked at how wildfires increase the likelihood of floods by increasing post-fire erosion and, thus, sediment accumulation in flood infrastructure, such as debris basins and flood channels,鈥 Brand said. 鈥淪he developed a model that captures interactions between wildfires, precipitation, and infrastructure design and maintenance to estimate flood risk due to infrastructure overtopping.

鈥淭his project will tie together my Ph.D. work on quantifying dredging costs and financing of upstream interventions with Environmental Impact Bonds (EIBs) with the fire-flood risk model of Dr. Jong-Levinger to quantify the likelihood that fire management in the Cleveland National Forest upstream could pay for itself through reduced dredging costs and flood risks downstream in Riverside County.鈥

Mangney, a California native now pursuing his graduate education at 海角社区, has witnessed up close the damage wildfires have caused to his state and region and is eager to be part of the solution through his efforts here.

鈥淢y work will be primarily focused on incorporating costs into Dr. Jong-Levinger鈥檚 existing model,鈥 he said. 鈥淗aving witnessed firsthand the growing prevalence of wildfires in California, I鈥檓 excited to contribute to a project that aims to mitigate fire risk in Riverside County. It鈥檚 a chance to positively impact my friends and family back in California."

Regarding Louisiana, Brand believes the work being done on this project is transferable, as sediment management and its funding sediment pose challenges everywhere. For instance, the lessons learned across the country in California can be applied to future wetland restoration projects and their funding.

鈥淪pecific to Louisiana, I鈥檓 hoping to develop an Environmental Impact Bond for wetland restoration for the purposes of flood-risk reduction and carbon sequestration, and I believe that the scale at which the EIBs allow us to do restoration can result in better outcomes for ecosystem health and co-benefits compared with more traditional grant funding sources and doing restoration in a piecemeal manner,鈥 Brant said.

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Contact: Joshua Duplechain
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