Estimating live fine fuels moisture content using meteorologically-based indices

D. X. Viegas, J. Piñol, M. T. Viegas, R. Ogaya

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    98 Citations (Scopus)

    Abstract

    Field measurements of moisture content of several fine fuels (shrub vegetation and live foliage) were performed in Central Portugal and in Catalunya (NE Spain) for 1-10 years. Seasonal and interannual variation of live fine fuels of several species in two regions of the Iberian Peninsula are analysed. The species were grouped in three sets according to their relatively high, intermediate or low seasonal variability. Meteorological data from nearby stations were collected in each study area and used in the evaluation of some indicators of fuel moisture that are used in the Canadian Forest Fire Danger Rating System, namely the Drought Code (DC). It was found that in the summer season the slow response of live fine fuel moisture content (LFFMC) to meteorological conditions, namely to precipitation, was well described by the DC. Empirical correlations between LFFMC and DC for each species and site are proposed.
    Original languageEnglish
    Pages (from-to)223-240
    JournalInternational Journal of Wildland Fire
    Volume10
    Issue number2
    DOIs
    Publication statusPublished - 1 Dec 2001

    Keywords

    • Canadian FFDRS
    • Drought code
    • Fire meteorology
    • Forest fuels
    • Live fuels
    • Mediterranean ecosystems
    • Moisture content

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