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The polarimetric characteristics of early- and late-stage deforestation areas were examined using PALSAR-2. An early-stage deforestation site, where the fallen trees had been left on the ground, showed an increase in σ0surface of 2.9 dB, and decrease in σ0volume of 1.4 dB. This induced the 0.9 dB increase in σ0HH. A late-stage deforestation site, where the fallen tree had been removed, showed an increase...
Full polarimetric space- and air-borne L-band SAR data acquired on the same day were analyzed. The target areas were agricultural fields, including paddy in the maturation stage, that were severely damaged by a tsunami three years earlier. Lodging of paddy was found in some fields. Three-and four-component decomposition and eigenvalue-eigenvector decomposition analysis were performed. On paddy fields,...
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