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Article Dans Une Revue Annales Geophysicae Année : 2000

On the fast movements of the thermosphere: an interpretation

Résumé

We examine the oscillations of the meridional neutral wind in the F region as seen by the EISCAT radar. We propose an interpretation in term of eddies (tourbillons) of typical size of a few tens to a few hundreds of kilometers. The observed rotation velocity is a few hundreds of meters per second. We suggest that the tourbillons are a common feature of thermospheric movements. We propose an optical experiment to check the validity of this assumption.

Key words: Atmospheric composition and structure (thermosphere · composition and chemistry) · Ionosphere (ionosphere · atmosphere interactions)
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Dates et versions

hal-00329172 , version 1 (18-06-2008)

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  • HAL Id : hal-00329172 , version 1

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J. Lilensten, Pierre-Olivier Amblard. On the fast movements of the thermosphere: an interpretation. Annales Geophysicae, 2000, 18 (12), pp.1651-1656. ⟨hal-00329172⟩
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