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Article Dans Une Revue Atmospheric Chemistry and Physics Discussions Année : 2005

Stratospheric intrusions induced by a Rossby Wave breaking and its interaction with the subtropical jet during PICO3 campaign

Jean-Pierre Cammas
Gérard Ancellet

Résumé

This study documents several processes of stratosphere-troposphere transport (STT) in the subtropical region. A case study of the interaction between a Rossby Wave breaking over the Canary Islands and a subtropical vortex core situated further south is analysed with ozone airborne measurements (in-situ and Lidar). The investigation is conducted using a Reverse Domain Filling technique to reconstruct high-resolution potential vorticity fields with a Lagrangian approach and with simulations of a mesoscale model. Results show irreversible STT associated with tropopause folding, Rossby Wave Breaking and the filamentation of the subtropical vortex core.
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Dates et versions

hal-00327979 , version 1 (18-06-2008)

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  • HAL Id : hal-00327979 , version 1

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A. Carré, François Ravetta, Jean-Pierre Cammas, P. Mascart, J. Duron, et al.. Stratospheric intrusions induced by a Rossby Wave breaking and its interaction with the subtropical jet during PICO3 campaign. Atmospheric Chemistry and Physics Discussions, 2005, 5 (5), pp.10301-10337. ⟨hal-00327979⟩
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