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View angle effects in the radiometric measurement of plant canopy temperaturesThe thermal infrared sensor response from a wheat canopy was extremely non-Lambertian because of spatial variations in energy flow processes; the effective radiant temperature of the sensor varied as much as 13 C with changing view angle. This variation of sensor response was accurately quantified (root-mean-square of deviations between theoretical and measured responses reduced to 1.1 C) as a function of vegetation canopy geometry, vertical temperature distribution of canopy components, and sensor view angle. The results have important implications for optimizing sensor view angles for remote sensing missions.
Document ID
19820049379
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kimes, D. S.
(NASA Goddard Space Flight Center Earth Resources Branch, Greenbelt, MD, United States)
Idso, S. B.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Pinter, P. J., Jr.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Reginato, R. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jackson, R. D.
(U.S. Water Conservation Laboratory Phoenix, AZ, United States)
Date Acquired
August 10, 2013
Publication Date
December 1, 1980
Publication Information
Publication: Remote Sensing of Environment
Volume: 10
Subject Category
Earth Resources And Remote Sensing
Accession Number
82A32914
Distribution Limits
Public
Copyright
Other

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