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Concept Paper

Defining Extreme Wildfire Events: Difficulties, Challenges, and Impacts

Centre for Studies in Geography and Spatial Planning, CEGOT, Geography Department, Faculty of Arts, University of Porto, Porto 4150-564, Portugal
Engineering Health Science & Environment, Charles Darwin University, Darwin, Northern Territory 0909, Australia
Department of Crop Systems, Forestry and Environmental Sciences, Faculty of Agriculture, University of Basilicata, Potenza 85100, Italy
Centre for Research and Technology of Agro-Environment and Biological Sciences, CITAB, University of Trás-os-Montes and Alto Douro, Vila Real 5001-801, Portugal
National Research Institute of Science and Technology for Environment and Agriculture, IRSTEA, RECOVER Research Unit, Aix-en-Provence 13100, France
Department of Anthropology, University of Georgia, Athens, GA 30602, USA
Regional Forest Corps of Sardinia, Cagliari 09131, Italy
USDA Forest Service Rocky Mountain Research Station, Fort Collins CO 80526-2098, USA
Faculty of Science, University of Alberta, Edmonton, AB T6G 2E9, Canada
IDL, Faculty of Sciences, University of Lisbon, Lisbon 1749-016, Portugal
Centre for Forest Fire Research (CEIF), ADAI–LAETA, University of Coimbra, Coimbra 3030-289, Portugal
Institute of Mediterranean Forest Ecosystems, Hellenic Agricultural Organization "Demeter", Athens 11528, Greece
Author to whom correspondence should be addressed.
Received: 15 January 2018 / Revised: 10 February 2018 / Accepted: 14 February 2018 / Published: 25 February 2018
Every year worldwide some extraordinary wildfires occur, overwhelming suppression capabilities, causing substantial damages, and often resulting in fatalities. Given their increasing frequency, there is a debate about how to address these wildfires with significant social impacts, but there is no agreement upon terminology to describe them. The concept of extreme wildfire event (EWE) has emerged to bring some coherence on this kind of events. It is increasingly used, often as a synonym of other terms related to wildfires of high intensity and size, but its definition remains elusive. The goal of this paper is to go beyond drawing on distinct disciplinary perspectives to develop a holistic view of EWE as a social-ecological phenomenon. Based on literature review and using a transdisciplinary approach, this paper proposes a definition of EWE as a process and an outcome. Considering the lack of a consistent “scale of gravity” to leverage extreme wildfire events such as in natural hazards (e.g., tornados, hurricanes and earthquakes) we present a proposal of wildfire classification with seven categories based on measurable fire spread and behavior parameters and suppression difficulty. The categories 5 to 7 are labeled as EWE. View Full-Text
Keywords: control capacity; disaster; extreme wildfire event (EWE); large fire; megafire; social-ecological; transdisciplinary control capacity; disaster; extreme wildfire event (EWE); large fire; megafire; social-ecological; transdisciplinary
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MDPI and ACS Style

Tedim, F.; Leone, V.; Amraoui, M.; Bouillon, C.; Coughlan, M.R.; Delogu, G.M.; Fernandes, P.M.; Ferreira, C.; McCaffrey, S.; McGee, T.K.; Parente, J.; Paton, D.; Pereira, M.G.; Ribeiro, L.M.; Viegas, D.X.; Xanthopoulos, G. Defining Extreme Wildfire Events: Difficulties, Challenges, and Impacts. Fire 2018, 1, 9.

AMA Style

Tedim F, Leone V, Amraoui M, Bouillon C, Coughlan MR, Delogu GM, Fernandes PM, Ferreira C, McCaffrey S, McGee TK, Parente J, Paton D, Pereira MG, Ribeiro LM, Viegas DX, Xanthopoulos G. Defining Extreme Wildfire Events: Difficulties, Challenges, and Impacts. Fire. 2018; 1(1):9.

Chicago/Turabian Style

Tedim, Fantina, Vittorio Leone, Malik Amraoui, Christophe Bouillon, Michael R. Coughlan, Giuseppe M. Delogu, Paulo M. Fernandes, Carmen Ferreira, Sarah McCaffrey, Tara K. McGee, Joana Parente, Douglas Paton, Mário G. Pereira, Luís M. Ribeiro, Domingos X. Viegas, and Gavriil Xanthopoulos. 2018. "Defining Extreme Wildfire Events: Difficulties, Challenges, and Impacts" Fire 1, no. 1: 9.

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