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Relating forest biomass to SAR data

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4 Author(s)
Le Toan, T. ; Centre d''Etude Spatiale des Rayonnements, CNRS, Univ. Paul Sabatier, Toulouse, France ; Beaudoin, A. ; Riom, J. ; Guyon, D.

The authors present the results of an experiment defined to demonstrate the use of radar to retrieve forest biomass. The SAR data were acquired by the NASA/JPL SAR over the Landes pine forest during the 1989 MAESTRO-1 campaign. The SAR data, after calibration, were analyzed together with ground data collected on forest stands from a young stage (eight years) to a mature stage (46 years). The dynamic range of the radar backscatter intensity from forest was found to be greatest at P-band and decreased with increasing frequencies. Cross-polarized backscatter intensity yielded the best sensitivities to variations of forest biomass. L-band data confirmed past results on good correlation with forest parameters. The most striking observation was the strong correlation of P-band backscatter intensity to forest biomass

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:30 ,  Issue: 2 )