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On the use of radiative surface temperature to estimate sensible heat flux over sparse shrubs in NevadaThe accurate partitioning of available energy into sensible and latent heat flux is crucial to the understanding of surface atmosphere interactions. This issue is more complicated in arid and semi arid regions where the relative contribution to surface fluxes from the soil and vegetation may vary significantly throughout the day and throughout the season. A three component model to estimate sensible heat flux over heterogeneous surfaces is presented. The surface was represented with two adjacent compartments. The first compartment is made up of two components, shrubs and shaded soil, the second of open 'illuminated' soil. Data collected at two different sites in Nevada (U.S.) during the Summers of 1991 and 1992 were used to evaluate model performance. The results show that the present model is sufficiently general to yield satisfactory results for both sites.
Document ID
19950010662
Document Type
Conference Paper
Authors
Chehbouni, A. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Nichols, W. D. (Geological Survey Carson City, NV., United States)
Qi, J. (Agricultural Research Service Phoenix, AZ., United States)
Njoku, E. G. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kerr, Y. H. (Centre National d'Etudes Spatiales Toulouse, France)
Cabot, F. (Centre National d'Etudes Spatiales Toulouse, France)
Date Acquired
August 16, 2013
Publication Date
January 1, 1994
Publication Information
Publication: CNES, Proceedings of 6th International Symposium on Physical Measurements and Signatures in Remote Sensing
Subject Category
EARTH RESOURCES AND REMOTE SENSING
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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