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On the entropy balance of the earth-atmosphere system

✍ Scribed by By G. Nicolis; C. Nicolis

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
883 KB
Volume
106
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

The entropy balance associated with a Budyko‐Sellers climatic model is developed. It is shown that different regimes, associated with decreasing, as well as increasing values of entropy production (which measures the rate of dissipation in the system) in the course of time are possible. This immediately poses the problem of stability of steady states of the climatic system. An explicit criterion of climatic stability is thus derived, which is expressed in terms of thermodynamic quantities related to excess entropy production. The results are illustrated on simple cases involving diffusive energy transport. A comparison with Paltridge's minimum entropy exchange principle is also attempted.

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