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Modeling canopy reflectance and microwave backscattering coefficientVarious approaches to model canopy reflectance (CR) in the visible/infrared region and backscattering coefficient (BSC) in the microwave region are compared and contrasted. It is noted that BSC can be related to CR in the source direction (the 'hot spot' direction). By assuming a frequency dependent leaf reflectance and transmittance it is shown that the observed dependence of BSC on leaf area index, leaf angle distribution, angle of incidence, soil moisture content, and frequency can be simulated by a CR model. Thus both BSC and CR can, in principle, be calculated using a single model which has essentially the same parameters as many CR models do.
Document ID
19860034455
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Goel, N. S.
(New York, State University Binghamton, United States)
Date Acquired
August 12, 2013
Publication Date
December 1, 1985
Publication Information
Publication: Remote Sensing of Environment
Volume: 18
ISSN: 0034-4257
Subject Category
Earth Resources And Remote Sensing
Accession Number
86A19193
Distribution Limits
Public
Copyright
Other

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