Abstract
Wildfires burns 4–10 million acres across the United States with suppression costs approaching $2 billion, annually. High intensity wildfires contribute to post fire erosion, flooding and loss of timber resources. Accurate assessment of the effects of wildland fire on the environment is critical to improving the management of wildland fire as a tool for restoring ecosystem resilience. Sensor miniaturization and small unmanned aircraft systems (sUAS) offer a new paradigm, providing affordable, on-demand monitoring of wildland fire effects at a much finer spatial resolution than is possible with satellite or manned aircraft, providing finer detail at a much lower cost. This project examined the effect hyperspatial imagery acquired with a sUAS has on improving the extraction of post-fire effects knowledge from imagery. Support vector machines were shown to map post-fire effects land cover classes more accurately using hyperspatial color imagery than 30 m color imagery.
This publication was made possible by Undergraduate Research Grants from National Aeronautics and Space Administration Idaho Space Grant Consortium and an Institutional Development Award (IDeA) from the National Institute of General Medical Sciences of the National Institutes of Health under Grant #P20GM103408.
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Acknowledgment
We would like to acknowledge the mentorship of Greg Donohoe and Eva Strand at the University of Idaho. We would also like to acknowledge the assistance of undergraduate research assistants including Jonathan Branham, Ryan Pacheco, Zachary Garner and Jonathan Hamilton. Additionally we would like to acknowledge the Boise National Forest and the Bureau of Land Management Boise District for providing image acquisition access to burned sites within their jurisdictions.
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Hamilton, D., Hamilton, N., Myers, B. (2019). Evaluation of Image Spatial Resolution for Machine Learning Mapping of Wildland Fire Effects. In: Arai, K., Kapoor, S., Bhatia, R. (eds) Intelligent Systems and Applications. IntelliSys 2018. Advances in Intelligent Systems and Computing, vol 868. Springer, Cham. https://doi.org/10.1007/978-3-030-01054-6_29
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