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Proceedings Paper

Bidirectional reflectance effects derived from ASAS imagery of a pecan orchard
Author(s): Karl Staenz; Robert P. Gauthier; Phil M. Teillet; Daniel J. Williams
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Paper Abstract

Bidirectional reflectance factors (BRF) for a pecan orchard have been studied using Advanced Solid-State Array Spectrometer (ASAS) data acquired in the solar principal plane at altitudes of 2300 m and 5300 m above ground. In particular, the angular dependency of the BRF of different targets such as sunlit and shaded portions of the pecan tree, orchard floor, and soil (road) have been studied for viewing directions between -45 degrees and +45 degrees. The results indicate in general an increasing reflectance from the forward scattering direction to the backscattering direction. In addition, an increase in pixel size has significant effects on the surface BRFs.

Paper Details

Date Published: 23 September 1993
PDF: 11 pages
Proc. SPIE 1937, Imaging Spectrometry of the Terrestrial Environment, (23 September 1993); doi: 10.1117/12.157067
Show Author Affiliations
Karl Staenz, Canada Centre for Remote Sensing (Canada)
Robert P. Gauthier, Canada Centre for Remote Sensing (Canada)
Phil M. Teillet, Canada Centre for Remote Sensing (Canada)
Daniel J. Williams, MacDonald Dettwiler and Associates (Canada)

Published in SPIE Proceedings Vol. 1937:
Imaging Spectrometry of the Terrestrial Environment
Gregg Vane, Editor(s)

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