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Venus Atmosphere Profile from a Maximum Entropy Principle : Volume 14, Issue 5 (18/10/2007)

By Epele, L. N.

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Book Id: WPLBN0003985253
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Venus Atmosphere Profile from a Maximum Entropy Principle : Volume 14, Issue 5 (18/10/2007)  
Author: Epele, L. N.
Volume: Vol. 14, Issue 5
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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García Canal, C. A., Fanchiotti, H., Pacheco, A. F., Sañudo, J., & Epele, L. N. (2007). Venus Atmosphere Profile from a Maximum Entropy Principle : Volume 14, Issue 5 (18/10/2007). Retrieved from

Description: Laboratorio de Física Teórica, Departamento de Física, IFLP, Facultad de Ciencias Exactas, Universidad Nacional de La Plata C.C. 67, 1900 La Plata, Argentina. The variational method with constraints recently developed by Verkley and Gerkema to describe maximum-entropy atmospheric profiles is generalized to ideal gases but with temperature-dependent specific heats. In so doing, an extended and non standard potential temperature is introduced that is well suited for tackling the problem under consideration. This new formalism is successfully applied to the atmosphere of Venus. Three well defined regions emerge in this atmosphere up to a height of 100 km from the surface: the lowest one up to about 35 km is adiabatic, a transition layer located at the height of the cloud deck and finally a third region which is practically isothermal.

Venus atmosphere profile from a maximum entropy principle

Bohren, C. F. and Albrecht, B. A.: Atmospheric Thermodynamics, Oxford Univ. Press, 1998.; Callen, H. B.: Thermodynamics, John-Wiley and Sons, p. 323–327, 1980.; Landis, G., Colozza, A., and LaMarre, C.: Atmospheric flight on Venus, NASA-2002-0919, 2002.; Pacheco, A. F. and Sa\~nudo, J.: A maximum entropy profile for the mesosphere, Nuovo Cimento, C28, 29–32, doi:10.1393/ncc/i2005-10021-9, 2005.; Seiff, A., Kirk, D. B., Young, E., et al.: Measurements of Thermal Structure and Thermal Contrasts in the Atmosphere of Venus and Related Dynamical Observations: Results from the Four Pionner Venus Probes, J. Geophys. Res., 85, 7903–7933, 1980.; Staley, D. O.: The adiabatic lapse rate in the Venus atmosphere, J. Atmos. Sci., 27, 219–223, 1970.; Tsonis, A. A.: An Introduction to Atmospheric Thermodynamics, Cambridge Univ. Press, 2002.; Verkley, W. T. M. and Gerkema, T.: On Maximum Entropy Profiles, J. Atmos. Sci., 61, 931–936, 2004.


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