A field experiment on microwave forest radiometry: L-band signal behaviour for varying conditions of surface wetness

J.P. Grant, J.P. Wigneron, A.A. vd Griend, A. Kruszewski, N. Skou

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    From July-December 2004 the experimental campaign 'Bray 2004' was conducted in the coniferous forest of Les Landes near Bordeaux, France, using a multi-angle L-band (1.4 GHz) radiometer to measure from above the forest at horizontal polarization. At the same time, ground measurements were taken of soil and litter moisture content, while precipitation was also permanently monitored. This experiment was done in the context of the upcoming SMOS mission in order to improve our understanding of the behaviour of the L-band signal from forested areas for different wetness conditions and viewing angles. This is especially relevant for solving the problem of heterogeneity since a large fraction of SMOS pixels (∼ 30 × 30 km
    Original languageEnglish
    Pages (from-to)10-19
    JournalRemote Sensing of Environment
    Volume109
    Issue number1
    DOIs
    Publication statusPublished - 2007

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