Universidad Complutense de Madrid
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Fuel management operations planning in fire management: A bilevel optimisation approach

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Liberatore, Federico and León Caballero, Javier and Hearne, John and Vitoriano, Begoña (2021) Fuel management operations planning in fire management: A bilevel optimisation approach. Safety Science, 137 . p. 105181. ISSN 09257535

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Official URL: https://doi.org/10.1016/j.ssci.2021.105181




Abstract

Elevated fuel loads represent a wildfire hazard in a landscape. Reducing fuel load is one mitigation strategy commonly employed to decrease the severity and impact of wildfires. The planning of such fuel management operations, however, represents a complicated decision problem, which includes multiple sources of uncertainty. In this paper, a problem for fuel treatment planning is presented, formulated, and solved. The optimisation model identifies the best subset of units in the landscape to be treated to minimise the impact of the worst-case wildfire. Due to its size, which would make it intractable for realistic instances, an ad hoc exact solution algorithm has been devised. Extensive computational testing on randomly generated instances illustrates that the proposed approach is very successful at solving the problem. Finally, the algorithm is applied to a case study on a landscape in Andalusia, Spain, which shows the capabilities of the proposed approach in addressing a real-world problem.


Item Type:Article
Uncontrolled Keywords:Fire management; Fuel management; Wildfire; Attacker-defender model; Operational research
Subjects:Sciences > Mathematics > Operations research
ID Code:64259
Deposited On:03 Mar 2021 15:18
Last Modified:04 Mar 2021 08:16

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