Articles | Volume 29, issue 2
Nonlin. Processes Geophys., 29, 183–205, 2022
https://doi.org/10.5194/npg-29-183-2022

Special issue: Centennial issue on nonlinear geophysics: accomplishments...

Nonlin. Processes Geophys., 29, 183–205, 2022
https://doi.org/10.5194/npg-29-183-2022
Research article
 | Highlight paper
11 May 2022
Research article  | Highlight paper | 11 May 2022

Lévy noise versus Gaussian-noise-induced transitions in the Ghil–Sellers energy balance model

Valerio Lucarini et al.

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Latest update: 03 Feb 2023
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Short summary
In most of the investigations on metastable systems, the stochastic forcing is modulated by Gaussian noise. Lévy noise laws, which describe jump processes, have recently received a lot of attention, but much less is known. We study stochastic versions of the Ghil–Sellers energy balance model, and we highlight the fundamental difference between how transitions are performed between the competing warm and snowball states, depending on whether Gaussian or Lévy noise acts as forcing.