Estimation of X-Band Scattering Properties of Tree Components

David E. Pitts, Gautam D. Badhwar, Eddie Reyna, Reza Zoughi, Lin-Kun Wu, Richard K. Moore

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


An X-band FM-CW very fine range resolution scatterometer was used to acquire backscattering data for individual branches for a number of tree species. Using a model to describe the scattering source function, [formula omitted], and an experimental procedure for selected removal of plant parts, allows the estimation of [formula omitted], the volume backscatter coefficient, and [formula omitted], the volume extinction coefficient. It is found that 1) leaves are strong attenuators as well as scatterers, 2) the albedo, [formula omitted], at a given angle of incidence, is nearly independent of the tree type, 3) the tree limbs are good attenuators but rather poor scatterers, and 4) the albedo changes as a function of the angle of incidence and for deciduous trees is also a function of the season.

Original languageEnglish
Pages (from-to)612-616
Number of pages5
JournalIEEE Transactions on Geoscience and Remote Sensing
Issue number5
StatePublished - 1 Jan 1988

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