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Oceanography and Atmospheric Sciences and Meteorology

National Taiwan Ocean University

2012

Forest stand volume

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Quantataive Analysis Of Relationship Between Alos Palsar Backscatter And Forest Stand Volume, Choen Kim Dec 2012

Quantataive Analysis Of Relationship Between Alos Palsar Backscatter And Forest Stand Volume, Choen Kim

Journal of Marine Science and Technology

To estimate forest stand volume, topographic effects should be considered in Synthetic Aperture Radar (SAR) data processing, because most forests are located on mountainous areas in Korea. This paper shows how the effects on the ALOS Phased-Array L-Band SAR (PALSAR) backscatter in Kwangneung Experiment Forest can be reduced by gammanought γ 0 . Regardless of coniferous and deciduous forests, the gammanought γ 0 values are always lower compared to the sigmanought σ0 values at HH and HV polarization for 58 standwise tree volume of the fore-slope (here, the west-facing slope) and are always higher in case of far-slope (here, east-facing …

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