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Discussion papers | Copyright
https://doi.org/10.5194/npg-2018-28
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 28 May 2018

Research article | 28 May 2018

Review status
This discussion paper is a preprint. A revision of the manuscript was accepted for the journal Nonlinear Processes in Geophysics (NPG).

Climatic responses to systematic time variations of parameters: A dynamical approach

Catherine Nicolis Catherine Nicolis
  • Institut Royal Météorologique de Belgique, 3 av. Circulaire, 1180 Brussels, Belgium

Abstract. The climatic response to time-dependent parameters is revisited from a nonlinear dynamics perspective. Some general trends are identified, based on a generalised stability criterion extending classical stability analysis to account for the presence of time-varying coefficients in the evolution equations of the system's variables. Theoretical predictions are validated by the results of numerical integration of the evolution equations of prototypical systems of relevance in atmospheric and climatic dynamics.

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Catherine Nicolis
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Catherine Nicolis
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Ordinarily the climatic impact of systematic variations of parameters arising from anthropogenic effects is addressed on the basis of large numerical models, where parameters are set to a prescribed level and the system is subsequently left to relax. We have revisited the problem in a nonlinear dynamics perspective in which the time variation of parameters is fully incorporated into the evolution laws. Some universal trends of the response have been identified.
Ordinarily the climatic impact of systematic variations of parameters arising from anthropogenic...
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