Articles | Volume 26, issue 2
Nonlin. Processes Geophys., 26, 73–89, 2019
https://doi.org/10.5194/npg-26-73-2019
Nonlin. Processes Geophys., 26, 73–89, 2019
https://doi.org/10.5194/npg-26-73-2019

Research article 07 May 2019

Research article | 07 May 2019

Lyapunov analysis of multiscale dynamics: the slow bundle of the two-scale Lorenz 96 model

Mallory Carlu et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Mallory Carlu on behalf of the Authors (19 Dec 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (19 Jan 2019) by Amit Apte
RR by Anonymous Referee #2 (09 Feb 2019)
RR by Anonymous Referee #1 (14 Feb 2019)
ED: Publish subject to minor revisions (review by editor) (01 Mar 2019) by Amit Apte
AR by Mallory Carlu on behalf of the Authors (06 Mar 2019)  Author's response    Manuscript
ED: Publish as is (08 Apr 2019) by Amit Apte
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Short summary
We explore the nature of instabilities in a well-known meteorological toy model, the Lorenz 96, to unravel key mechanisms of interaction between scales of different resolutions and time scales. To do so, we use a mathematical machinery known as Lyapunov analysis, allowing us to capture the degrees of chaoticity associated with fundamental directions of instability. We find a non-trivial group of such directions projecting significantly on slow variables, associated with long term dynamics.