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Design of an empirical index to estimate fuel moisture content from NOAA-AVHRR images in forest fire danger studies

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An empirical estimation of live fuel moisture content (FMC) was generated from National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVHRR) derived variables. This estimation was based on the ratio of Normalized Difference Vegetation Index (NDVI) and surface temperature (Ts), and the relative greenness (RGRE). It was derived for the summer season (from June to September). The estimation was calibrated from field measurements collected in central Spain, and included consideration of both herbaceous and shrub live FMC values. The proposed estimation worked reasonably well for other periods in the same study area and also for other similar study areas in Mediterranean environments. This estimation of FMC from remote sensing could be used as an input to standard fire danger and fire behaviour programs, providing spatially comprehensive data, which is critical for regional planning of fire prevention.
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Document Type: Research Article

Affiliations: University of Alcala´, Department of Geography, Colegios, 2--28801 Alcala´ de Henares, Spain; e-mail: emilio.chuvieco,inmaculada.aguado,david.cocero,[email protected]

Publication date: April 1, 2003

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