| Issue |
EPL
Volume 115, Number 4, August 2016
|
|
|---|---|---|
| Article Number | 40009 | |
| Number of page(s) | 7 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/115/40009 | |
| Published online | 27 September 2016 | |
Stochastic variability and noise-induced generation of chaos in a climate feedback system including the carbon dioxide dynamics
Department of Mathematical Physics, Ural Federal University - Ekaterinburg, 620000, Russian Federation
Received: 8 June 2016
Accepted: 12 September 2016
In this work, a non-linear dynamics of a simple three-dimensional climate model in the presence of stochastic forcing is studied. We demonstrate that a dynamic scenario of mixed-mode stochastic oscillations of the climate system near its equilibrium can be formed. As this takes place, a growth of noise intensity increases the frequency of interspike intervals responsible for the abrupt climate changes. In addition, a certain enhancement of stochastic forcing abruptly increases the atmospheric carbon dioxide and decreases the Earth's ice mass. A transition from order to chaos occurring at a critical noise is shown.
PACS: 05.45.-a – Nonlinear dynamics and chaos / 05.45.Pq – Numerical simulations of chaotic systems / 92.60.Ry – Climatology, climate change and variability
© EPLA, 2016
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