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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/npg-2019-29
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/npg-2019-29
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review article 12 Jun 2019

Review article | 12 Jun 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Nonlinear Processes in Geophysics (NPG).

Numerical Bifurcation Methods applied to Climate Models: Analysis beyond Simulation

Henk A. Dijkstra1,2 Henk A. Dijkstra
  • 1Institute for Marine and Atmospheric research Utrecht, Department of Physics, Utrecht University, Utrecht, the Netherlands
  • 2Center for Complex Systems Studies, Utrecht University, Utrecht, the Netherlands

Abstract. In this special issue contribution, I provide a personal view on the role of bifurcation analysis of climate models in the development of a theory of climate system variability. The state-of-the-art of the methodology is shortly outlined and the main part of the paper deals with examples of what has been done and what has been learned. In addressing these issues, I will discuss the role of a hierarchy of climate models, concentrate on results for spatially extended (stochastic) models (having many degrees of freedom) and evaluate the importance of these results for a theory of climate system variability.

Henk A. Dijkstra
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Status: open (until 07 Aug 2019)
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Henk A. Dijkstra
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Short summary
I provide a personal view on the role of bifurcation analysis of climate models in the development of a theory of variability in the climate system. By outlining the state-of-the-art of the methodology and by discussing what has been done and what has been learned from a hierarchy of models, I will argue that there are low-order phenomena of climate variability, such as El Nino and the Atlantic Multidecadal Oscillation.
I provide a personal view on the role of bifurcation analysis of climate models in the...
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