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Estimation of soil moisture from diurnal surface temperature observationsA coupled heat and moisture balance model was used to determine the thermal inertia of a grass covered top soil under different meteorological conditions. Relations between thermal inertia and soil moisture were established using the De Vries models for thermal conductivity and heat capacity to relate soil moisture and thermal inertia as a function of soil type. A sensitivity study of the surface roughness length and thermal inertia on diurnal surface temperature shows the necessity of focusing on the night time surface temperature rather than on the day time surface temperature, in order to estimate the soil moisture content of the top soil.
Document ID
19870008712
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vandegriend, A. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Camillo, P. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 5, 2013
Publication Date
August 1, 1986
Publication Information
Publication: ESA Proceedings of the 1986 International Geoscience and Remote Sensing Symposium (IGARSS '86) on Remote Sensing: Today's Solutions for Tomorrow's Information Needs, Volume 3
Subject Category
Earth Resources And Remote Sensing
Accession Number
87N18145
Distribution Limits
Public
Copyright
Other

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