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Variability of surface temperature in agricultural fields of central CaliforniaIn an attempt to evaluate the relationship between hand-held infrared thermometers and aircraft thermal scanners in near-level terrain and to quantify the variability of surface temperatures within individual fields, ground-based and aircraft thermal sensor measurements were made along a 50-km transect on 3 May 1979 and a 20-km transect on 7 August 1980. These comparisons were made on fields near Davis, California. Agreement was within 1 C for fields covered with vegetation and 3.6 C for bare, dry fields. The variability within fields was larger for bare, dry fields than for vegetatively covered fields. In 1980, with improvements in the collection of ground truth data, the agreement was within 1 C for a variety of fields.
Document ID
19820057313
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hatfield, J. L.
(California, University Davis, CA, United States)
Millard, J. P.
(NASA Ames Research Center Moffett Field, CA, United States)
Goettelman, R. C.
(LFE Corp. Richmond, CA, United States)
Date Acquired
August 10, 2013
Publication Date
August 1, 1982
Publication Information
Publication: Photogrammetric Engineering and Remote Sensing
Volume: 48
Subject Category
Earth Resources And Remote Sensing
Accession Number
82A40848
Funding Number(s)
CONTRACT_GRANT: NCA2-OR-180-901
Distribution Limits
Public
Copyright
Other

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