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HCMM/soil moisture experimentProgress in the compilation and analysis of airborne and ground data to determine the relationship between the maximum surface minus maximum air temperature differential (delta Tsa) and available water (PAW) is reported. Also, results of an analysis of HCMM images to determine the effect of cloud cover on the availability of HCMM-type data are presented. An inverse relationship between delta Tsa and PAW is indicated along with stable delta Tsa vs. PAW distributions for fully developed canopies. Large variations, both geographical and diurnal, in the cloud cover images are reported. The average monthly daytime cloud cover fluctuated between 40 and 60 percent.
Document ID
19810003988
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Cihlar, J. (Canada Centre for Remote Sensing Ottawa Ontario, Canada)
Date Acquired
September 4, 2013
Publication Date
August 31, 1980
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
E81-10022
NASA-CR-163504
Report Number: E81-10022
Report Number: NASA-CR-163504
Accession Number
81N12499
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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