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Objective identification of multiple large fire climatologies: an application to a Mediterranean ecosystem
Author(s) -
Julien Ruffault,
Vincent Moron,
Ricardo M. Trigo,
Thomas Curt
Publication year - 2016
Publication title -
environmental research letters
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 2.37
H-Index - 124
ISSN - 1748-9326
DOI - 10.1088/1748-9326/11/7/075006
Subject(s) - environmental science , mediterranean climate , climatology , context (archaeology) , homogeneous , atmospheric sciences , wind speed , relative humidity , heat wave , meteorology , geography , climate change , geology , mathematics , oceanography , archaeology , combinatorics
International audienceHere we classify summer LFs (>120 ha) in Mediterranean France for the period 1973 to 2012, according to their local-scale weather conditions (i.e. temperature, relative humidity, wind speed and fuel moisture proxies). Three distinct climatologies were identified, and were referred as fire weather types (FWTs).Nous avons analysé les conditions météorologiques synoptiques associées aux grands incendies de forêt dans le sud-est de la France (1973-2013) et distingué trois grands types de conditions : les conditions dominées par de fortes températures (HD), celles dominées par des vents forts (WD), et celles proches de la normale météorologique (NN). Les conditions de type WD et NN diminuent fortement depuis plusieurs décennies alors que les conditions HD augmentent, pouvant indiquer ainsi l'occurrence future de plus grands incendies en conditions thermiques très chaudes et très intenses

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