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  Avalanches, breathers, and flow reversal in a continuous Lorenz-96 model

Blender, R., Wouters, J., & Lucarini, V. (2013). Avalanches, breathers, and flow reversal in a continuous Lorenz-96 model. PHYSICAL REVIEW E, 88(1): 013201. doi:10.1103/PhysRevE.88.013201.

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 Creators:
Blender, R.1, Author           
Wouters, J.2, Author
Lucarini, V.1, Author           
Affiliations:
1A 1 - Climate Variability and Predictability, Research Area A: Climate Dynamics and Variability, The CliSAP Cluster of Excellence, External Organizations, ou_1863478              
2external, ou_persistent22              

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Free keywords: DYNAMICAL-SYSTEMS
 Abstract: For the discrete model suggested by Lorenz in 1996, a one-dimensional long-wave approximation with nonlinear excitation and diffusion is derived. The model is energy conserving but non-Hamiltonian. In a low-order truncation, weak external forcing of the zonal mean flow induces avalanchelike breather solutions which cause reversal of the mean flow by a wave-mean flow interaction. The mechanism is an outburst-recharge process similar to avalanches in a sandpile model.

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Language(s): eng - English
 Dates: 2013
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: PHYSICAL REVIEW E
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 88 (1) Sequence Number: 013201 Start / End Page: - Identifier: ISSN: 1539-3755