Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 30, issue 1
Articles | Volume 30, issue 1
https://doi.org/10.5194/npg-30-1-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/npg-30-1-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 1
Research article
 | 
09 Jan 2023
Research article |  | 09 Jan 2023

Weather pattern dynamics over western Europe under climate change: predictability, information entropy and production

Stéphane Vannitsem

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Andrieux, D., Gaspard, P., Ciliberto, S., Garnier, N., Joubaud, S., and Petrosyan, A.: Entropy production and time asymmetry in nonequilibrium fluctuations, Phys. Rev. Lett., 98, 150601, https://doi.org/10.1103/PhysRevLett.98.150601, 2007. a, b, c
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The impact of climate change on weather pattern dynamics over the North Atlantic is explored through the lens of information theory. These tools allow the predictability of the succession of weather patterns and the irreversible nature of the dynamics to be clarified. It is shown that the predictability is increasing in the observations, while the opposite trend is found in model projections. The irreversibility displays an overall increase in time in both the observations and the model runs.
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