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A parametric sensitivity study of entropy production and kinetic energy dissipation using the FAMOUS AOGCM
 

Summary: A parametric sensitivity study of entropy production and kinetic
energy dissipation using the FAMOUS AOGCM
Salvatore Pascale Jonathan M. Gregory
Maarten H. P. Ambaum Remi Tailleux
Received: 12 October 2010 / Accepted: 12 January 2011
Springer-Verlag 2011
Abstract The possibility of applying either the maximum
entropy production conjecture of Paltridge (Q J R Meteorol
Soc 101:475484, 1975) or the conjecture of Lorenz
(Generation of available potential energy and the intensity
of the general circulation. Pergamon, Tarrytown, 1960) of
maximum generation of available potential energy (APE)
in FAMOUS, a complex but low-resolution AOGCM, is
explored by varying some model parameters to which the
simulated climate is highly sensitive, particularly the con-
vective entrainment rate, , and cloud droplet-to-rain-con-
version rate, cT. The climate response is analysed in terms
of its entropy production and the strength of the Lorenz
energy cycle. If either conjecture is true, the parameter
values which yield the most realistic climate will also

  

Source: Ambaum, Maarten - Department of Meteorology, University of Reading

 

Collections: Geosciences