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| Titel |
Thermodynamics of climate change: generalized sensitivities |
| VerfasserIn |
V. Lucarini, K. Fraedrich, F. Lunkeit |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 10, no. 20 ; Nr. 10, no. 20 (2010-10-18), S.9729-9737 |
| Datensatznummer |
250008830
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| Publikation (Nr.) |
 copernicus.org/acp-10-9729-2010.pdf |
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| Zusammenfassung |
| Using a recent theoretical approach, we study how global warming impacts the
thermodynamics of the climate system by performing experiments with a
simplified yet Earth-like climate model. The intensity of the Lorenz energy
cycle, the Carnot efficiency, the material entropy production, and the degree
of irreversibility of the system change monotonically with the CO2
concentration. Moreover, these quantities feature an approximately linear
behaviour with respect to the logarithm of the CO2 concentration in a
relatively wide range. These generalized sensitivities suggest that the
climate becomes less efficient, more irreversible, and features higher
entropy production as it becomes warmer, with changes in the latent heat
fluxes playing a predominant role. These results may be of help for
explaining recent findings obtained with state of the art climate models
regarding how increases in CO2 concentration impact the vertical
stratification of the tropical and extratropical atmosphere and the position
of the storm tracks. |
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