Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
Atmos. Chem. Phys., 17, 4337-4353, 2017
https://doi.org/10.5194/acp-17-4337-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
30 Mar 2017
Role of vertical and horizontal mixing in the tape recorder signal near the tropical tropopause
Anne A. Glanville and Thomas Birner

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Short summary
Nearly all air enters the stratosphere through the tropical tropopause, which exerts a control on stratospheric chemistry and climate. By combining satellite observations with a simple 1-D transport model, we study the roles of vertical and horizontal mixing in transport near the tropical tropopause. We find that vertical mixing may play a more significant role than previously assumed, which is potentially as important as slow vertical transport by the residual mass circulation.
Nearly all air enters the stratosphere through the tropical tropopause, which exerts a control...
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