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Leaf bidirectional reflectance and transmittance in corn and soybeanBidirectional optical properties of leaves must be adequately characterized to develop comprehensive and reliably predictive canopy radiative-transfer models. Directional reflectance and transmittance factors of individual corn and soybean leaves were measured at source incidence angles (SIAs) 20, 45, and 70 deg and numerous view angles in the visible and NIR. Bidirectional reflectance distributions changed with increasing SIA, with forward scattering most pronounced at 70 deg. Directional-hemispherical reflectance generally increased and transmittance decreased with increased SIA. Directional-hemispherical reflectance factors were higher and transmittances were lower than the nadir-viewed reflectance component.
Document ID
19900033101
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Walter-Shea, E. A.
(Nebraska Univ. Lincoln, NE, United States)
Norman, J. M.
(Nebraska Univ. Lincoln, NE, United States)
Blad, B. L.
(Nebraska, University Lincoln, United States)
Date Acquired
August 14, 2013
Publication Date
August 1, 1989
Publication Information
Publication: Remote Sensing of Environment
Volume: 29
ISSN: 0034-4257
Subject Category
Earth Resources And Remote Sensing
Accession Number
90A20156
Funding Number(s)
CONTRACT_GRANT: NAS9-16636
Distribution Limits
Public
Copyright
Other

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