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Simulating fire and forest dynamics for a coordinated landscape fuel treatment project in the Sierra NevadaAuthor(s): Brandon M. Collins; Scott L. Stephens; Gary B. Roller; John Battles
Source: Forest Science: 57: 77-88
Publication Series: Scientific Journal (JRNL)
Station: Pacific Southwest Research Station
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DescriptionWe evaluate an actual landscape fuel treatment project that was designed by local U. S. Forest Service managers in the northern Sierra Nevada. We model the effects of this project at reducing landscape-level fire behavior at multiple time steps, up to nearly 30 yr beyond treatment implementation. Additionally, we modeled planned treatments under multiple diameter-limited thinning scenarios to assess potential impacts on fuel treatment effectiveness. The planned fuel treatments reduced modeled conditional burn probabilities substantially across the landscape relative to a scenario with no simulated treatments. This reduction relative to the no treatment landscape was evident approximately 20 yr following simulated treatment implementation. Although diameter-limited thinning scenarios resulted in different residual forest stand structures, we detected no real differences in modeled landscape-level burn probabilities. The modeling adaptations we made with respect to fuel model selection and simulated regeneration/ingrowth over simulated time, as well as incorporation of variable winds in fire simulations, collectively contribute to a robust analysis of the study area.
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CitationCollins, Brandon M.; Stephens, Scott L.; Roller, Gary B.; Battles, John. 2011. Simulating fire and forest dynamics for a coordinated landscape fuel treatment project in the Sierra Nevada. Forest Science: 57: 77-88.
Keywordswildfire modeling, fuels reduction, minimum travel time (MTT), fire exclusion, SPLAT
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