Stability, normalization and accuracy of MODIS-derived estimates of live fuel moisture for southern California chaparral
Time series of spectral vegetation indices (SVIs) derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) and live fuel moisture (LFM) data for chaparral vegetation of southern California were extended to include one of the driest (2004) and one of the wettest (2005) years on record. Independent, spatially varying field-based estimates of LFM enabled accuracy of MODIS-derived estimates to be quantified. Pixel-based scaling of SVI values based on maximum and minimum values of the time series reduced effects of varying vegetation cover and substantially reduced root mean square errors for two of the three SVIs tested.
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Document Type: Research Article
Affiliations: Department of Geography, San Diego State University, San Diego, CA 92182-4493
Publication date: 2007-01-01